{"id":16996,"date":"2023-12-07T19:04:36","date_gmt":"2023-12-07T11:04:36","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=16996"},"modified":"2023-12-08T18:41:22","modified_gmt":"2023-12-08T10:41:22","slug":"shang-hai-de-fan-mian-shi-ti-yi-mian","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/07\/shang-hai-de-fan-mian-shi-ti-yi-mian\/","title":{"rendered":"\u4e0a\u6d77\u5f97\u5e06\u9762\u8bd5\u9898\uff08\u4e00\u9762\uff09"},"content":{"rendered":"<h2>\u4e00\u3001\u63cf\u8ff0 Java \u6e90\u4ee3\u7801\u5230\u8fd0\u884c\u7684\u8fc7\u7a0b\uff1f<\/h2>\n<p>\u5f53\u5728\u9762\u8bd5\u4e2d\u56de\u7b54\u5173\u4e8eJava\u6e90\u4ee3\u7801\u5230\u8fd0\u884c\u7684\u8fc7\u7a0b\u65f6\uff0c\u4f60\u53ef\u4ee5\u5f3a\u8c03\u4ee5\u4e0b\u5173\u952e\u70b9\uff1a<\/p>\n<ol>\n<li><strong>\u7f16\u5199\u6e90\u4ee3\u7801\uff1a<\/strong> \u5f00\u53d1\u8005\u4f7f\u7528\u6587\u672c\u7f16\u8f91\u5668\u6216IDE\u7f16\u5199Java\u6e90\u4ee3\u7801\uff0c\u901a\u5e38\u4fdd\u5b58\u4e3a<code>.java<\/code>\u6587\u4ef6\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u7f16\u8bd1\u6e90\u4ee3\u7801\uff1a<\/strong> \u4f7f\u7528Java\u7f16\u8bd1\u5668 (<code>javac<\/code>) \u7f16\u8bd1\u6e90\u4ee3\u7801\u4e3a\u5b57\u8282\u7801\uff0c\u751f\u6210<code>.class<\/code>\u6587\u4ef6\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5b57\u8282\u7801\u5b58\u50a8\uff1a<\/strong> \u7f16\u8bd1\u540e\u7684\u5b57\u8282\u7801\u5b58\u50a8\u5728\u6587\u4ef6\u7cfb\u7edf\u4e2d\uff0c\u901a\u5e38\u4e0e\u6e90\u4ee3\u7801\u6587\u4ef6\u4f4d\u4e8e\u540c\u4e00\u76ee\u5f55\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u52a0\u8f7d\u5b57\u8282\u7801\uff1a<\/strong> JVM\u901a\u8fc7\u7c7b\u52a0\u8f7d\u5668\u5c06\u5b57\u8282\u7801\u52a0\u8f7d\u5230\u5185\u5b58\u4e2d\uff0c\u53ef\u4ee5\u4ece\u672c\u5730\u6587\u4ef6\u7cfb\u7edf\u6216\u5176\u4ed6\u4f4d\u7f6e\u52a0\u8f7d\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5b57\u8282\u7801\u9a8c\u8bc1\uff1a<\/strong> JVM\u9a8c\u8bc1\u5b57\u8282\u7801\uff0c\u786e\u4fdd\u7b26\u5408Java\u865a\u62df\u673a\u89c4\u8303\uff0c\u9632\u6b62\u6076\u610f\u4ee3\u7801\u548c\u786e\u4fdd\u7a0b\u5e8f\u5b89\u5168\u6027\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u89e3\u91ca\u548c\/\u6216\u7f16\u8bd1\u6267\u884c\uff1a<\/strong> JVM\u53ef\u4ee5\u4f7f\u7528\u89e3\u91ca\u6267\u884c\u548c\u5373\u65f6\u7f16\u8bd1\u6267\u884c\u3002\u5373\u65f6\u7f16\u8bd1\u6267\u884c\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8fd0\u884c\u65f6\uff1a<\/strong> \u4e00\u65e6\u5b57\u8282\u7801\u52a0\u8f7d\u3001\u9a8c\u8bc1\u548c\u6267\u884c\uff0cJava\u7a0b\u5e8f\u5728JVM\u4e0a\u8fd0\u884c\uff0c\u4f7f\u7528JVM\u63d0\u4f9b\u7684\u5e93\u548c\u8fd0\u884c\u65f6\u73af\u5883\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u5728\u56de\u7b54\u65f6\uff0c\u5f3a\u8c03\u4f60\u5bf9Java\u7f16\u8bd1\u5668\u3001\u7c7b\u52a0\u8f7d\u5668\u3001\u5b57\u8282\u7801\u3001JVM\u6267\u884c\u65b9\u5f0f\u4ee5\u53ca\u8fd0\u884c\u65f6\u73af\u5883\u7684\u7406\u89e3\u3002\u6b64\u5916\uff0c\u4f60\u53ef\u4ee5\u63d0\u5230\u5373\u65f6\u7f16\u8bd1\u6267\u884c\u5bf9\u6027\u80fd\u7684\u63d0\u5347\uff0c\u4ee5\u53ca\u5b57\u8282\u7801\u9a8c\u8bc1\u5bf9\u5b89\u5168\u6027\u7684\u91cd\u8981\u6027\u3002\u8fd9\u6837\u7684\u56de\u7b54\u5c55\u793a\u4e86\u5bf9Java\u8fd0\u884c\u673a\u5236\u6df1\u523b\u7684\u7406\u89e3\u3002<\/p>\n<h2>\u4e8c\u3001final \u5173\u952e\u5b57\u4f5c\u7528\uff1f<\/h2>\n<p><code>final<\/code> \u662fJava\u4e2d\u7684\u4e00\u4e2a\u5173\u952e\u5b57\uff0c\u5b83\u53ef\u4ee5\u7528\u4e8e\u4e0d\u540c\u7684\u4e0a\u4e0b\u6587\uff0c\u4f46\u5176\u4e3b\u8981\u4f5c\u7528\u662f\u4e3a\u4e86\u63d0\u4f9b\u4e0d\u53ef\u53d8\u6027\uff08immutability\uff09\u3001\u6700\u7ec8\u6027\uff08finality\uff09\u6216\u8005\u4e0d\u53ef\u7ee7\u627f\u6027\uff08non-inheritance\uff09\u3002\u4ee5\u4e0b\u662f<code>final<\/code> \u5173\u952e\u5b57\u7684\u4e3b\u8981\u7528\u9014\uff1a<\/p>\n<ol>\n<li><strong>\u4e0d\u53ef\u53d8\u6027\uff08Immutability\uff09\uff1a<\/strong>\n<ul>\n<li>\u5f53<code>final<\/code> \u7528\u4e8e\u4fee\u9970\u4e00\u4e2a\u53d8\u91cf\u65f6\uff0c\u8868\u793a\u8be5\u53d8\u91cf\u7684\u503c\u53ea\u80fd\u88ab\u8d4b\u503c\u4e00\u6b21\uff0c\u5373\u5b83\u6210\u4e3a\u4e00\u4e2a\u5e38\u91cf\u3002\u4e00\u65e6\u8d4b\u503c\u540e\uff0c\u5c31\u4e0d\u80fd\u518d\u4fee\u6539\u3002<br \/>\n<code>java<br \/>\nfinal int x = 10;<\/code><\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<ul>\n<li>\u5f53<code>final<\/code> \u7528\u4e8e\u4fee\u9970\u4e00\u4e2a\u7c7b\u65f6\uff0c\u8868\u793a\u8be5\u7c7b\u4e0d\u80fd\u88ab\u7ee7\u627f\uff0c\u5373\u5b83\u662f\u4e00\u4e2a\u6700\u7ec8\u7c7b\uff0c\u4e0d\u80fd\u6709\u5b50\u7c7b\u3002<br \/>\n <code>java<br \/>\n final class FinalClass {<br \/>\n     \/\/ \u7c7b\u7684\u5185\u5bb9<br \/>\n }<\/code><\/p>\n<\/li>\n<li>\n<p>\u5f53<code>final<\/code> \u7528\u4e8e\u4fee\u9970\u65b9\u6cd5\u65f6\uff0c\u8868\u793a\u8be5\u65b9\u6cd5\u4e0d\u80fd\u88ab\u5b50\u7c7b\u91cd\u5199\uff08\u8986\u76d6\uff09\u3002<br \/>\n &#8220;`java<br \/>\n class Parent {<br \/>\n     final void finalMethod() {<br \/>\n         \/\/ \u65b9\u6cd5\u7684\u5185\u5bb9<br \/>\n     }<br \/>\n }<\/p>\n<p>class Child extends Parent {<br \/>\n     \/\/ \u5c1d\u8bd5\u91cd\u5199 final \u65b9\u6cd5\u4f1a\u5bfc\u81f4\u7f16\u8bd1\u9519\u8bef<br \/>\n     \/\/ void finalMethod() { \/* \u91cd\u5199\u7684\u5185\u5bb9 *\/ }<br \/>\n }<br \/>\n &#8220;`<\/p>\n<\/li>\n<\/ul>\n<ol start=\"2\">\n<li>\n<p><strong>\u6700\u7ec8\u6027\uff08Finality\uff09\uff1a<\/strong><\/p>\n<ul>\n<li>\u5728\u591a\u7ebf\u7a0b\u7f16\u7a0b\u4e2d\uff0c<code>final<\/code> \u4fee\u9970\u7684\u53d8\u91cf\u53ef\u4ee5\u4f5c\u4e3a\u5b89\u5168\u53d1\u5e03\u7684\u4e00\u79cd\u65b9\u5f0f\uff0c\u786e\u4fdd\u8be5\u53d8\u91cf\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e2d\u4e0d\u88ab\u4fee\u6539\u3002\n<pre><code class=\"language-java  line-numbers\">class ImmutableClass {\n private final int immutableField;\n\n public ImmutableClass(int value) {\n     this.immutableField = value;\n }\n\n \/\/ \u5176\u4ed6\u7c7b\u5185\u5bb9...\n}\n<\/code><\/pre>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<ul>\n<li>\u5728\u533f\u540d\u5185\u90e8\u7c7b\u4e2d\uff0c\u5982\u679c\u60f3\u8981\u8bbf\u95ee\u5916\u90e8\u65b9\u6cd5\u7684\u5c40\u90e8\u53d8\u91cf\uff0c\u8be5\u53d8\u91cf\u5fc5\u987b\u58f0\u660e\u4e3a<code>final<\/code>\u3002<br \/>\n &#8220;`java<br \/>\n void someMethod() {<br \/>\n     final int localVar = 42;<\/p>\n<pre><code> new Thread(new Runnable() {\n     public void run() {\n         \/\/ \u53ef\u4ee5\u8bbf\u95ee localVar\n         System.out.println(localVar);\n     }\n }).start();\n<\/code><\/pre>\n<p>}<br \/>\n &#8220;`<\/p>\n<\/li>\n<\/ul>\n<ol start=\"3\">\n<li><strong>\u4e0d\u53ef\u7ee7\u627f\u6027\uff08Non-Inheritance\uff09\uff1a<\/strong>\n<ul>\n<li>\u901a\u8fc7\u5c06\u7c7b\u6216\u65b9\u6cd5\u58f0\u660e\u4e3a<code>final<\/code>\uff0c\u963b\u6b62\u5176\u4ed6\u7c7b\u7ee7\u627f\u5b83\u6216\u5b50\u7c7b\u8986\u76d6\u5b83\uff0c\u4ece\u800c\u4fdd\u62a4\u5176\u8bbe\u8ba1\u548c\u5b9e\u73b0\u7684\u5b8c\u6574\u6027\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\u603b\u4f53\u800c\u8a00\uff0c<code>final<\/code> \u7684\u4f7f\u7528\u6709\u52a9\u4e8e\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3001\u5b89\u5168\u6027\uff0c\u4ee5\u53ca\u5728\u4e00\u4e9b\u60c5\u51b5\u4e0b\u63d0\u5347\u6027\u80fd\u3002<\/p>\n<h2>\u4e09\u3001Java \u4e2d String \u662f\u57fa\u7840\u7c7b\u578b\u5417\uff1fJava \u7684\u57fa\u7840\u6570\u636e\u7c7b\u578b\u6709\u54ea\u4e9b\uff1f<\/h2>\n<p>\u5728Java\u4e2d\uff0c<code>String<\/code> \u4e0d\u662f\u57fa\u7840\u6570\u636e\u7c7b\u578b\u3002\u5b83\u662f\u4e00\u4e2a\u5f15\u7528\u7c7b\u578b\uff08Reference Type\uff09\uff0c\u5c5e\u4e8eJava\u7c7b\u5e93\u4e2d\u7684<code>java.lang<\/code>\u5305\u3002<code>String<\/code> \u7c7b\u7528\u4e8e\u8868\u793a\u5b57\u7b26\u4e32\uff0c\u662f\u4e0d\u53ef\u53d8\u7684\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u4e00\u65e6\u521b\u5efa\u4e86\u5b57\u7b26\u4e32\u5bf9\u8c61\uff0c\u5c31\u4e0d\u80fd\u4fee\u6539\u5b83\u7684\u5185\u5bb9\u3002<\/p>\n<p>Java\u7684\u57fa\u7840\u6570\u636e\u7c7b\u578b\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u516b\u79cd\uff1a<\/p>\n<ol>\n<li><strong>\u6574\u6570\u7c7b\u578b\uff1a<\/strong>\n<ul>\n<li><code>byte<\/code>: 8 \u4f4d\uff0c\u6709\u7b26\u53f7\uff0c\u8303\u56f4\u4e3a -128 \u5230 127\u3002<\/li>\n<li><code>short<\/code>: 16 \u4f4d\uff0c\u6709\u7b26\u53f7\uff0c\u8303\u56f4\u4e3a -32768 \u5230 32767\u3002<\/li>\n<li><code>int<\/code>: 32 \u4f4d\uff0c\u6709\u7b26\u53f7\uff0c\u8303\u56f4\u4e3a -2147483648 \u5230 2147483647\u3002<\/li>\n<li><code>long<\/code>: 64 \u4f4d\uff0c\u6709\u7b26\u53f7\uff0c\u8303\u56f4\u4e3a -9223372036854775808 \u5230 9223372036854775807\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u6d6e\u70b9\u6570\u7c7b\u578b\uff1a<\/strong>\n<ul>\n<li><code>float<\/code>: 32 \u4f4d\uff0c\u5355\u7cbe\u5ea6\u6d6e\u70b9\u6570\u3002<\/li>\n<li><code>double<\/code>: 64 \u4f4d\uff0c\u53cc\u7cbe\u5ea6\u6d6e\u70b9\u6570\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5b57\u7b26\u7c7b\u578b\uff1a<\/strong>\n<ul>\n<li><code>char<\/code>: 16 \u4f4d\uff0c\u65e0\u7b26\u53f7\uff0c\u8868\u793a\u4e00\u4e2aUnicode\u5b57\u7b26\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5e03\u5c14\u7c7b\u578b\uff1a<\/strong>\n<ul>\n<li><code>boolean<\/code>: \u8868\u793a\u5e03\u5c14\u503c\uff0c\u53ea\u6709\u4e24\u4e2a\u53d6\u503c\uff1a<code>true<\/code> \u6216 <code>false<\/code>\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\u5728\u56de\u7b54\u8fd9\u4e2a\u95ee\u9898\u65f6\uff0c\u4f60\u53ef\u4ee5\u5f3a\u8c03<code>String<\/code> \u662f\u4e00\u4e2a\u5f15\u7528\u7c7b\u578b\uff0c\u800c\u4e0d\u662f\u57fa\u7840\u6570\u636e\u7c7b\u578b\u3002\u540c\u65f6\u5217\u4e3e\u51fa\u4e0a\u8ff0\u7684\u57fa\u7840\u6570\u636e\u7c7b\u578b\uff0c\u8bf4\u660e\u5b83\u4eec\u5206\u522b\u7528\u4e8e\u8868\u793a\u4e0d\u540c\u7684\u6570\u636e\u8303\u56f4\u548c\u7c7b\u578b\u3002\u8fd9\u6709\u52a9\u4e8e\u5c55\u793a\u4f60\u5bf9Java\u4e2d\u6570\u636e\u7c7b\u578b\u7684\u5168\u9762\u7406\u89e3\u3002<\/p>\n<h2>\u56db\u3001\u89e3\u91ca\u81ea\u52a8\u88c5\u7bb1\u548c\u81ea\u52a8\u62c6\u7bb1\uff1f<\/h2>\n<p>\u81ea\u52a8\u88c5\u7bb1\u662f\u6307\u5c06\u57fa\u672c\u6570\u636e\u7c7b\u578b\u8f6c\u6362\u4e3a\u5bf9\u5e94\u7684\u5305\u88c5\u7c7b\u5bf9\u8c61\uff0c\u7531\u7f16\u8bd1\u5668\u81ea\u52a8\u5b8c\u6210\u3002\u4f8b\u5982\uff0c\u5c06 <code>int<\/code> \u8f6c\u6362\u4e3a <code>Integer<\/code>\u3002<\/p>\n<p>\u81ea\u52a8\u62c6\u7bb1\u662f\u6307\u5c06\u5305\u88c5\u7c7b\u5bf9\u8c61\u8f6c\u6362\u4e3a\u57fa\u672c\u6570\u636e\u7c7b\u578b\uff0c\u540c\u6837\u7531\u7f16\u8bd1\u5668\u81ea\u52a8\u5b8c\u6210\u3002\u4f8b\u5982\uff0c\u5c06 <code>Integer<\/code> \u8f6c\u6362\u4e3a <code>int<\/code>\u3002<\/p>\n<p>\u8fd9\u4e24\u4e2a\u7279\u6027\u4f7f\u5f97\u5728\u9700\u8981\u4f7f\u7528\u5bf9\u8c61\u7684\u5730\u65b9\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u57fa\u672c\u6570\u636e\u7c7b\u578b\uff0c\u63d0\u9ad8\u4e86\u4ee3\u7801\u7b80\u6d01\u6027\u548c\u53ef\u8bfb\u6027\u3002\u5728\u6027\u80fd\u654f\u611f\u573a\u666f\u4e2d\u9700\u6ce8\u610f\u53ef\u80fd\u5f15\u8d77\u7684\u6027\u80fd\u5f00\u9500\u3002<\/p>\n<h2>\u4e94\u3001Java \u4e2d\u6cdb\u578b\u6709\u4ec0\u4e48\u4f5c\u7528\uff1f<\/h2>\n<p>Java \u4e2d\u7684\u6cdb\u578b\u63d0\u4f9b\u4e86\u7c7b\u578b\u5b89\u5168\u3001\u4ee3\u7801\u590d\u7528\u3001\u6e05\u6670\u4ee3\u7801\u3001\u6027\u80fd\u63d0\u5347\u7b49\u4f18\u52bf\u3002\u5b83\u5141\u8bb8\u5728\u7f16\u5199\u7c7b\u548c\u65b9\u6cd5\u65f6\u4f7f\u7528\u4e00\u822c\u5316\u7684\u6570\u636e\u7c7b\u578b\uff0c\u63d0\u9ad8\u4e86\u7a0b\u5e8f\u7684\u7075\u6d3b\u6027\u548c\u53ef\u7ef4\u62a4\u6027\uff0c\u7279\u522b\u5728\u96c6\u5408\u6846\u67b6\u548c\u7b97\u6cd5\u4e2d\u5f97\u5230\u5e7f\u6cdb\u5e94\u7528\u3002<\/p>\n<h2>\u516d\u3001Java \u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\uff1f<\/h2>\n<p>Java \u5e8f\u5217\u5316\u662f\u5c06\u5bf9\u8c61\u8f6c\u6362\u4e3a\u5b57\u8282\u6d41\uff0c\u800c\u53cd\u5e8f\u5217\u5316\u662f\u5c06\u5b57\u8282\u6d41\u8f6c\u6362\u56de\u5bf9\u8c61\u3002\u5e8f\u5217\u5316\u901a\u8fc7\u5b9e\u73b0 <code>Serializable<\/code> \u63a5\u53e3\uff0c\u5c06\u5bf9\u8c61\u5199\u5165\u5b57\u8282\u6d41\uff0c\u7528\u4e8e\u4fdd\u5b58\u5230\u6587\u4ef6\u3001\u6570\u636e\u5e93\u6216\u7f51\u7edc\u4f20\u8f93\u3002\u53cd\u5e8f\u5217\u5316\u901a\u8fc7\u8bfb\u53d6\u5b57\u8282\u6d41\uff0c\u91cd\u65b0\u6784\u5efa\u539f\u59cb\u5bf9\u8c61\u3002\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\u5141\u8bb8\u5bf9\u8c61\u5728\u4e0d\u540c Java \u7a0b\u5e8f\u4e4b\u95f4\u4f20\u9012\uff0c\u5e76\u5728\u9700\u8981\u65f6\u8fd8\u539f\u5bf9\u8c61\u7684\u72b6\u6001\u3002<\/p>\n<h2>\u4e03\u3001String \u4e2d\u6709\u54ea\u4e9b\u65b9\u6cd5\uff1f<\/h2>\n<p><code>java.lang.String<\/code> \u7c7b\u662f Java \u4e2d\u8868\u793a\u5b57\u7b26\u4e32\u7684\u7c7b\uff0c\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u65b9\u6cd5\u6765\u64cd\u4f5c\u5b57\u7b26\u4e32\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684 <code>String<\/code> \u65b9\u6cd5\uff1a<\/p>\n<ol>\n<li><strong>\u83b7\u53d6\u5b57\u7b26\u4e32\u957f\u5ea6\uff1a<\/strong>\n<ul>\n<li><code>int length()<\/code>: \u8fd4\u56de\u5b57\u7b26\u4e32\u7684\u957f\u5ea6\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u83b7\u53d6\u6307\u5b9a\u4f4d\u7f6e\u7684\u5b57\u7b26\uff1a<\/strong>\n<ul>\n<li><code>char charAt(int index)<\/code>: \u8fd4\u56de\u6307\u5b9a\u7d22\u5f15\u4f4d\u7f6e\u7684\u5b57\u7b26\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u622a\u53d6\u5b50\u4e32\uff1a<\/strong>\n<ul>\n<li><code>String substring(int beginIndex)<\/code>: \u8fd4\u56de\u4ece\u6307\u5b9a\u7d22\u5f15\u5f00\u59cb\u5230\u5b57\u7b26\u4e32\u672b\u5c3e\u7684\u5b50\u4e32\u3002<\/li>\n<li><code>String substring(int beginIndex, int endIndex)<\/code>: \u8fd4\u56de\u4ece\u6307\u5b9a\u5f00\u59cb\u7d22\u5f15\u5230\u7ed3\u675f\u7d22\u5f15\u7684\u5b50\u4e32\uff08\u4e0d\u5305\u62ec\u7ed3\u675f\u7d22\u5f15\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u62fc\u63a5\u5b57\u7b26\u4e32\uff1a<\/strong>\n<ul>\n<li><code>String concat(String str)<\/code>: \u5c06\u6307\u5b9a\u5b57\u7b26\u4e32\u8fde\u63a5\u5230\u539f\u5b57\u7b26\u4e32\u7684\u672b\u5c3e\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u67e5\u627e\u5b50\u4e32\uff1a<\/strong>\n<ul>\n<li><code>int indexOf(String str)<\/code>: \u8fd4\u56de\u6307\u5b9a\u5b50\u4e32\u5728\u5b57\u7b26\u4e32\u4e2d\u7b2c\u4e00\u6b21\u51fa\u73b0\u7684\u7d22\u5f15\u4f4d\u7f6e\uff0c\u82e5\u6ca1\u6709\u627e\u5230\u5219\u8fd4\u56de -1\u3002<\/li>\n<li><code>int indexOf(String str, int fromIndex)<\/code>: \u4ece\u6307\u5b9a\u7d22\u5f15\u5f00\u59cb\uff0c\u8fd4\u56de\u6307\u5b9a\u5b50\u4e32\u5728\u5b57\u7b26\u4e32\u4e2d\u7b2c\u4e00\u6b21\u51fa\u73b0\u7684\u7d22\u5f15\u4f4d\u7f6e\u3002<\/li>\n<li><code>int lastIndexOf(String str)<\/code>: \u8fd4\u56de\u6307\u5b9a\u5b50\u4e32\u5728\u5b57\u7b26\u4e32\u4e2d\u6700\u540e\u4e00\u6b21\u51fa\u73b0\u7684\u7d22\u5f15\u4f4d\u7f6e\uff0c\u82e5\u6ca1\u6709\u627e\u5230\u5219\u8fd4\u56de -1\u3002<\/li>\n<li><code>int lastIndexOf(String str, int fromIndex)<\/code>: \u4ece\u6307\u5b9a\u7d22\u5f15\u5f00\u59cb\uff0c\u8fd4\u56de\u6307\u5b9a\u5b50\u4e32\u5728\u5b57\u7b26\u4e32\u4e2d\u6700\u540e\u4e00\u6b21\u51fa\u73b0\u7684\u7d22\u5f15\u4f4d\u7f6e\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u66ff\u6362\u5b57\u7b26\uff1a<\/strong>\n<ul>\n<li><code>String replace(char oldChar, char newChar)<\/code>: \u5c06\u5b57\u7b26\u4e32\u4e2d\u7684\u6307\u5b9a\u5b57\u7b26\u66ff\u6362\u4e3a\u65b0\u5b57\u7b26\u3002<\/li>\n<li><code>String replace(CharSequence target, CharSequence replacement)<\/code>: \u5c06\u5b57\u7b26\u4e32\u4e2d\u7684\u6307\u5b9a\u5e8f\u5217\u66ff\u6362\u4e3a\u65b0\u5e8f\u5217\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u53bb\u9664\u7a7a\u767d\u5b57\u7b26\uff1a<\/strong>\n<ul>\n<li><code>String trim()<\/code>: \u8fd4\u56de\u5b57\u7b26\u4e32\u7684\u526f\u672c\uff0c\u53bb\u9664\u4e86\u5f00\u5934\u548c\u7ed3\u5c3e\u7684\u7a7a\u767d\u5b57\u7b26\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5927\u5c0f\u5199\u8f6c\u6362\uff1a<\/strong>\n<ul>\n<li><code>String toLowerCase()<\/code>: \u5c06\u5b57\u7b26\u4e32\u4e2d\u7684\u6240\u6709\u5b57\u7b26\u8f6c\u6362\u4e3a\u5c0f\u5199\u3002<\/li>\n<li><code>String toUpperCase()<\/code>: \u5c06\u5b57\u7b26\u4e32\u4e2d\u7684\u6240\u6709\u5b57\u7b26\u8f6c\u6362\u4e3a\u5927\u5199\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5224\u65ad\u5b57\u7b26\u4e32\u662f\u5426\u4ee5\u6307\u5b9a\u524d\u7f00\u6216\u540e\u7f00\u5f00\u59cb\/\u7ed3\u675f\uff1a<\/strong>\n<ul>\n<li><code>boolean startsWith(String prefix)<\/code>: \u5224\u65ad\u5b57\u7b26\u4e32\u662f\u5426\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u59cb\u3002<\/li>\n<li><code>boolean endsWith(String suffix)<\/code>: \u5224\u65ad\u5b57\u7b26\u4e32\u662f\u5426\u4ee5\u6307\u5b9a\u540e\u7f00\u7ed3\u675f\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5b57\u7b26\u4e32\u6bd4\u8f83\uff1a<\/strong>\n<ul>\n<li><code>int compareTo(String anotherString)<\/code>: \u6309\u5b57\u5178\u987a\u5e8f\u6bd4\u8f83\u4e24\u4e2a\u5b57\u7b26\u4e32\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\u8fd9\u4e9b\u65b9\u6cd5\u8986\u76d6\u4e86\u5b57\u7b26\u4e32\u7684\u5e38\u89c1\u64cd\u4f5c\uff0c\u4f46\u4e0d\u9650\u4e8e\u6b64\u3002<\/p>\n<h2>\u516b\u3001== \u548c equals \u533a\u522b\uff1f<\/h2>\n<p>\u5728 Java \u4e2d\uff0c<code>==<\/code> \u548c <code>equals()<\/code> \u662f\u7528\u4e8e\u6bd4\u8f83\u5bf9\u8c61\u7684\u4e24\u4e2a\u4e0d\u540c\u65b9\u6cd5\uff0c\u5176\u4e3b\u8981\u533a\u522b\u5728\u4e8e\u6bd4\u8f83\u7684\u5bf9\u8c61\u7c7b\u578b\u548c\u6bd4\u8f83\u7684\u65b9\u5f0f\uff1a<\/p>\n<ol>\n<li><strong><code>==<\/code> \u64cd\u4f5c\u7b26\uff1a<\/strong>\n<ul>\n<li><code>==<\/code> \u7528\u4e8e\u6bd4\u8f83\u4e24\u4e2a\u5bf9\u8c61\u7684\u5f15\u7528\u662f\u5426\u76f8\u540c\uff0c\u5373\u5224\u65ad\u4e24\u4e2a\u5bf9\u8c61\u662f\u5426\u662f\u540c\u4e00\u4e2a\u5bf9\u8c61\u5b9e\u4f8b\u3002<\/li>\n<li>\u5bf9\u4e8e\u57fa\u672c\u6570\u636e\u7c7b\u578b\uff0c<code>==<\/code> \u6bd4\u8f83\u7684\u662f\u503c\u662f\u5426\u76f8\u7b49\u3002<\/li>\n<li>\u5bf9\u4e8e\u5f15\u7528\u7c7b\u578b\uff0c<code>==<\/code> \u6bd4\u8f83\u7684\u662f\u5bf9\u8c61\u7684\u5185\u5b58\u5730\u5740\u662f\u5426\u76f8\u540c\u3002<\/li>\n<\/ul>\n<pre><code class=\"language-java  line-numbers\">String str1 = new String(\"hello\");\nString str2 = new String(\"hello\");\n\nSystem.out.println(str1 == str2); \/\/ false\uff0c\u56e0\u4e3a\u662f\u4e24\u4e2a\u4e0d\u540c\u7684\u5bf9\u8c61\u5b9e\u4f8b\n<\/code><\/pre>\n<\/li>\n<li><strong><code>equals()<\/code> \u65b9\u6cd5\uff1a<\/strong>\n<ul>\n<li><code>equals()<\/code> \u662f <code>Object<\/code> \u7c7b\u4e2d\u5b9a\u4e49\u7684\u65b9\u6cd5\uff0c\u901a\u5e38\u9700\u8981\u5728\u5177\u4f53\u7684\u7c7b\u4e2d\u8fdb\u884c\u91cd\u5199\u4ee5\u5b9e\u73b0\u7279\u5b9a\u7684\u6bd4\u8f83\u903b\u8f91\u3002<\/li>\n<li>\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c<code>equals()<\/code> \u548c <code>==<\/code> \u7684\u884c\u4e3a\u76f8\u540c\uff0c\u6bd4\u8f83\u7684\u662f\u5bf9\u8c61\u7684\u5f15\u7528\u662f\u5426\u76f8\u540c\u3002<\/li>\n<li>\u4e00\u4e9b\u7c7b\uff0c\u5982 <code>String<\/code>\u3001<code>Integer<\/code> \u7b49\uff0c\u5df2\u7ecf\u91cd\u5199\u4e86 <code>equals()<\/code> \u65b9\u6cd5\uff0c\u6bd4\u8f83\u7684\u662f\u5bf9\u8c61\u7684\u5185\u5bb9\u662f\u5426\u76f8\u7b49\u3002<\/li>\n<\/ul>\n<pre><code class=\"language-java  line-numbers\">String str1 = new String(\"hello\");\nString str2 = new String(\"hello\");\n\nSystem.out.println(str1.equals(str2)); \/\/ true\uff0c\u56e0\u4e3aString\u7c7b\u5df2\u91cd\u5199equals\u65b9\u6cd5\uff0c\u6bd4\u8f83\u7684\u662f\u5185\u5bb9\n<\/code><\/pre>\n<\/li>\n<\/ol>\n<p>\u603b\u7684\u6765\u8bf4\uff0c<code>==<\/code> \u4e3b\u8981\u7528\u4e8e\u6bd4\u8f83\u5bf9\u8c61\u7684\u5f15\u7528\uff0c\u800c <code>equals()<\/code> \u901a\u5e38\u7528\u4e8e\u6bd4\u8f83\u5bf9\u8c61\u7684\u5185\u5bb9\u3002\u5728\u4f7f\u7528 <code>equals()<\/code> \u65b9\u6cd5\u65f6\u9700\u8981\u6ce8\u610f\u662f\u5426\u5df2\u7ecf\u88ab\u9002\u5f53\u5730\u91cd\u5199\uff0c\u4ee5\u6ee1\u8db3\u6bd4\u8f83\u5bf9\u8c61\u5185\u5bb9\u7684\u9700\u6c42\u3002\u5982\u679c\u6ca1\u6709\u88ab\u91cd\u5199\uff0c\u5b83\u4ecd\u7136\u4f1a\u8c03\u7528 <code>Object<\/code> \u7c7b\u4e2d\u7684\u9ed8\u8ba4\u5b9e\u73b0\uff0c\u5373\u6bd4\u8f83\u5bf9\u8c61\u7684\u5f15\u7528\u3002<\/p>\n<h2>\u4e5d\u3001\u4f60\u770b\u8fc7 Java \u6e90\u7801\u5417\uff0c\u8bf4\u4e00\u4e2a\u4f60\u770b\u8fc7\u7684\uff1f<\/h2>\n<p>\u5982\u5b9e\u56de\u7b54<\/p>\n<h2>\u5341\u3001\u6709\u81ea\u5df1\u7684\u5b66\u4e60\u8ba1\u5212\u5417\uff1f\u6700\u8fd1\u5728\u5b66\u4ec0\u4e48?<\/h2>\n<p>\u79ef\u6781\u5411\u4e0a<\/p>\n<h2>\u5341\u4e00\u3001Java \u5f02\u5e38\u4e2d Error \u548c Exception \u533a\u522b?<\/h2>\n<p>\u5728Java\u4e2d\uff0c<code>Error<\/code> \u8868\u793a\u4e25\u91cd\u7684\u4e0d\u53ef\u6062\u590d\u95ee\u9898\uff0c\u901a\u5e38\u7531\u865a\u62df\u673a\u6216\u7cfb\u7edf\u73af\u5883\u5f15\u8d77\uff0c\u7a0b\u5e8f\u4e0d\u5e94\u6355\u83b7\u3002<code>Exception<\/code> \u8868\u793a\u53ef\u5904\u7406\u7684\u5f02\u5e38\u60c5\u51b5\uff0c\u53ef\u5206\u4e3a\u53d7\u68c0\u5f02\u5e38\uff08Checked Exception\uff09\u548c\u672a\u53d7\u68c0\u5f02\u5e38\uff08Unchecked Exception\uff09\u3002\u53d7\u68c0\u5f02\u5e38\u9700\u8981\u5728\u7f16\u8bd1\u65f6\u5f3a\u5236\u5904\u7406\uff0c\u800c\u672a\u53d7\u68c0\u5f02\u5e38\u901a\u5e38\u8868\u793a\u7a0b\u5e8f\u9519\u8bef\uff0c\u4e0d\u8981\u6c42\u5f3a\u5236\u5904\u7406\u3002<\/p>\n<h2>\u5341\u4e8c\u3001\u9879\u76ee\u4e2d\u600e\u4e48\u505a\u7edf\u4e00\u5f02\u5e38\u5904\u7406\uff1f<\/h2>\n<p>\u5728\u4e00\u4e2a\u9879\u76ee\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u5b9e\u73b0\u7edf\u4e00\u7684\u5f02\u5e38\u5904\u7406\u673a\u5236\u6765\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\u548c\u7528\u6237\u4f53\u9a8c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u901a\u7528\u7684\u65b9\u6cd5\u6765\u5b9e\u73b0\u7edf\u4e00\u5f02\u5e38\u5904\u7406\uff1a<\/p>\n<ol>\n<li><strong>\u81ea\u5b9a\u4e49\u5f02\u5e38\u7c7b\uff1a<\/strong>\n<ul>\n<li>\u521b\u5efa\u81ea\u5b9a\u4e49\u5f02\u5e38\u7c7b\uff0c\u7ee7\u627f\u81ea\u6807\u51c6\u7684\u5f02\u5e38\u7c7b\uff08\u901a\u5e38\u7ee7\u627f <code>RuntimeException<\/code> \u6216\u5176\u5b50\u7c7b\uff09\uff0c\u7528\u4e8e\u8868\u793a\u9879\u76ee\u4e2d\u7279\u5b9a\u7684\u5f02\u5e38\u60c5\u51b5\u3002<\/li>\n<\/ul>\n<pre><code class=\"language-java  line-numbers\">public class CustomException extends RuntimeException {\n   \/\/ \u6784\u9020\u65b9\u6cd5\u548c\u5176\u4ed6\u53ef\u80fd\u7684\u5b9a\u5236\u903b\u8f91\n}\n<\/code><\/pre>\n<\/li>\n<li><strong>\u5168\u5c40\u5f02\u5e38\u5904\u7406\u5668\uff1a<\/strong>\n<ul>\n<li>\u521b\u5efa\u4e00\u4e2a\u5168\u5c40\u5f02\u5e38\u5904\u7406\u5668\uff0c\u6355\u83b7\u9879\u76ee\u4e2d\u629b\u51fa\u7684\u6240\u6709\u5f02\u5e38\uff0c\u5e76\u8fdb\u884c\u76f8\u5e94\u7684\u5904\u7406\u3002<\/li>\n<li>\u5728 Spring \u6846\u67b6\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u5b9e\u73b0 <code>HandlerExceptionResolver<\/code> \u63a5\u53e3\u6216\u4f7f\u7528 <code>@ControllerAdvice<\/code> \u6ce8\u89e3\u6765\u5b9e\u73b0\u5168\u5c40\u5f02\u5e38\u5904\u7406\u3002<\/li>\n<\/ul>\n<pre><code class=\"language-java  line-numbers\">@ControllerAdvice\npublic class GlobalExceptionHandler {\n   @ExceptionHandler(Exception.class)\n   public ResponseEntity&lt;String&gt; handleException(Exception e) {\n       \/\/ \u5904\u7406\u5f02\u5e38\uff0c\u53ef\u4ee5\u8bb0\u5f55\u65e5\u5fd7\u3001\u8fd4\u56de\u53cb\u597d\u9519\u8bef\u4fe1\u606f\u7b49\n       return new ResponseEntity&lt;&gt;(\"An error occurred: \" + e.getMessage(), HttpStatus.INTERNAL_SERVER_ERROR);\n   }\n}\n<\/code><\/pre>\n<\/li>\n<li><strong>\u5f02\u5e38\u4fe1\u606f\u7edf\u4e00\u5316\uff1a<\/strong>\n<ul>\n<li>\u5728\u5168\u5c40\u5f02\u5e38\u5904\u7406\u4e2d\uff0c\u5c3d\u91cf\u5c06\u5f02\u5e38\u4fe1\u606f\u8fdb\u884c\u7edf\u4e00\u683c\u5f0f\u5316\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u5448\u73b0\u7ed9\u7528\u6237\u6216\u8bb0\u5f55\u65e5\u5fd7\u3002<\/li>\n<li>\u8fd4\u56de\u7ed9\u5ba2\u6237\u7aef\u7684\u9519\u8bef\u4fe1\u606f\u53ef\u4ee5\u5305\u542b\u9519\u8bef\u7801\u3001\u9519\u8bef\u6d88\u606f\u7b49\uff0c\u65b9\u4fbf\u5ba2\u6237\u7aef\u5904\u7406\u548c\u5b9a\u4f4d\u95ee\u9898\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u65e5\u5fd7\u8bb0\u5f55\uff1a<\/strong>\n<ul>\n<li>\u5728\u5f02\u5e38\u5904\u7406\u5668\u4e2d\u6dfb\u52a0\u65e5\u5fd7\u8bb0\u5f55\uff0c\u8bb0\u5f55\u5f02\u5e38\u7684\u8be6\u7ec6\u4fe1\u606f\uff0c\u4ee5\u4fbf\u8fdb\u884c\u6545\u969c\u6392\u67e5\u548c\u95ee\u9898\u5b9a\u4f4d\u3002<\/li>\n<\/ul>\n<pre><code class=\"language-java  line-numbers\">Logger logger = LoggerFactory.getLogger(GlobalExceptionHandler.class);\n\n@ExceptionHandler(Exception.class)\npublic ResponseEntity&lt;String&gt; handleException(Exception e) {\n   logger.error(\"An error occurred\", e);\n   return new ResponseEntity&lt;&gt;(\"An error occurred: \" + e.getMessage(), HttpStatus.INTERNAL_SERVER_ERROR);\n}\n<\/code><\/pre>\n<\/li>\n<li><strong>\u8fd4\u56de\u53cb\u597d\u9519\u8bef\u9875\u9762\uff1a<\/strong>\n<ul>\n<li>\u5bf9\u4e8e Web \u9879\u76ee\uff0c\u53ef\u4ee5\u914d\u7f6e\u9519\u8bef\u9875\u9762\uff0c\u5c06\u7528\u6237\u53cb\u597d\u7684\u9519\u8bef\u4fe1\u606f\u8fd4\u56de\u7ed9\u5ba2\u6237\u7aef\u3002<\/li>\n<\/ul>\n<pre data-language=XML><code class=\"language-markup  line-numbers\">&lt;error-page&gt;\n   &lt;error-code&gt;500&lt;\/error-code&gt;\n   &lt;location&gt;\/error-page&lt;\/location&gt;\n&lt;\/error-page&gt;\n<\/code><\/pre>\n<\/li>\n<\/ol>\n<p>\u901a\u8fc7\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5b9e\u73b0\u9879\u76ee\u4e2d\u7684\u7edf\u4e00\u5f02\u5e38\u5904\u7406\uff0c\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\uff0c\u540c\u65f6\u63d0\u4f9b\u66f4\u53cb\u597d\u7684\u9519\u8bef\u4fe1\u606f\u7ed9\u7528\u6237\u548c\u5f00\u53d1\u4eba\u5458\u3002<\/p>\n<h2>\u5341\u4e09\u3001\u8bf4\u4e00\u4e0b\u4f60\u5bf9\u9762\u5411\u5bf9\u8c61\u7684\u7406\u89e3\uff0c\u5b83\u548c\u9762\u5411\u8fc7\u7a0b\u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/h2>\n<p>\u9762\u5411\u5bf9\u8c61\uff08Object-Oriented\uff09\u548c\u9762\u5411\u8fc7\u7a0b\uff08Procedure-Oriented\uff09\u662f\u4e24\u79cd\u4e0d\u540c\u7684\u7f16\u7a0b\u8303\u5f0f\u3002<\/p>\n<p><strong>\u9762\u5411\u5bf9\u8c61\uff1a<\/strong><br \/>\n&#8211; \u5c06\u7a0b\u5e8f\u4e2d\u7684\u6570\u636e\u548c\u64cd\u4f5c\u6570\u636e\u7684\u65b9\u6cd5\u5c01\u88c5\u5728\u4e00\u8d77\uff0c\u5f62\u6210\u5bf9\u8c61\u3002<br \/>\n&#8211; \u7279\u70b9\u5305\u62ec\u5c01\u88c5\u3001\u7ee7\u627f\u548c\u591a\u6001\u3002<br \/>\n&#8211; \u4f8b\u5b50\uff1a\u5b9a\u4e49\u4e00\u4e2a <code>Car<\/code> \u7c7b\u8868\u793a\u6c7d\u8f66\uff0c\u901a\u8fc7\u521b\u5efa\u591a\u4e2a\u6c7d\u8f66\u5bf9\u8c61\u6765\u5b8c\u6210\u4efb\u52a1\u3002<\/p>\n<p><strong>\u9762\u5411\u8fc7\u7a0b\uff1a<\/strong><br \/>\n&#8211; \u7a0b\u5e8f\u4e3b\u8981\u7531\u8fc7\u7a0b\u6216\u51fd\u6570\u6784\u5efa\uff0c\u6309\u7167\u987a\u5e8f\u6267\u884c\u4e00\u7cfb\u5217\u64cd\u4f5c\u5b8c\u6210\u4efb\u52a1\u3002<br \/>\n&#8211; \u7279\u70b9\u5305\u62ec\u5173\u6ce8\u6d41\u7a0b\uff0c\u6570\u636e\u548c\u64cd\u4f5c\u6570\u636e\u7684\u65b9\u6cd5\u901a\u5e38\u5206\u79bb\u3002<br \/>\n&#8211; \u4f8b\u5b50\uff1a\u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570 <code>printCarInfo<\/code> \u5b9e\u73b0\u6c7d\u8f66\u4fe1\u606f\u7684\u6253\u5370\u3002<\/p>\n<p><strong>\u533a\u522b\uff1a<\/strong><br \/>\n&#8211; \u9762\u5411\u5bf9\u8c61\u5f3a\u8c03\u5c01\u88c5\u3001\u7ee7\u627f\u548c\u591a\u6001\uff0c\u66f4\u6613\u4e8e\u6269\u5c55\u548c\u7ef4\u62a4\u3002<br \/>\n&#8211; \u9762\u5411\u8fc7\u7a0b\u5173\u6ce8\u6d41\u7a0b\uff0c\u6570\u636e\u548c\u64cd\u4f5c\u6570\u636e\u7684\u65b9\u6cd5\u901a\u5e38\u5206\u79bb\uff0c\u7ef4\u62a4\u6027\u8f83\u5dee\u3002<\/p>\n<h2>\u5341\u56db\u3001 \u6709\u6ca1\u6709\u4e86\u89e3\u8fc7\u51fd\u6570\u5f0f\u7f16\u7a0b\uff1f<\/h2>\n<p>\u662f\u7684\uff0c\u6211\u4e86\u89e3\u51fd\u6570\u5f0f\u7f16\u7a0b\uff08Functional Programming\uff0c\u7b80\u79f0FP\uff09\u3002\u51fd\u6570\u5f0f\u7f16\u7a0b\u662f\u4e00\u79cd\u7f16\u7a0b\u8303\u5f0f\uff0c\u5b83\u7684\u4e3b\u8981\u601d\u60f3\u662f\u5c06\u8ba1\u7b97\u89c6\u4e3a\u6570\u5b66\u51fd\u6570\u7684\u6c42\u503c\u8fc7\u7a0b\uff0c\u5f3a\u8c03\u51fd\u6570\u7684\u7eaf\u7cb9\u6027\u3001\u4e0d\u53ef\u53d8\u6027\u548c\u65e0\u526f\u4f5c\u7528\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u51fd\u6570\u5f0f\u7f16\u7a0b\u7684\u4e00\u4e9b\u5173\u952e\u6982\u5ff5\u548c\u7279\u70b9\uff1a<\/p>\n<ol>\n<li><strong>\u7eaf\u51fd\u6570\uff08Pure Function\uff09\uff1a<\/strong>\n<ul>\n<li>\u7eaf\u51fd\u6570\u662f\u6307\u51fd\u6570\u7684\u8f93\u51fa\u4ec5\u7531\u8f93\u5165\u51b3\u5b9a\uff0c\u4e0d\u4f9d\u8d56\u4e8e\u7a0b\u5e8f\u6267\u884c\u8fc7\u7a0b\u4e2d\u7684\u4efb\u4f55\u72b6\u6001\u6216\u5916\u90e8\u53d8\u91cf\u3002\u540c\u6837\u7684\u8f93\u5165\u603b\u662f\u4ea7\u751f\u540c\u6837\u7684\u8f93\u51fa\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u4e0d\u53ef\u53d8\u6027\uff08Immutability\uff09\uff1a<\/strong>\n<ul>\n<li>\u4e0d\u53ef\u53d8\u6027\u662f\u6307\u4e00\u65e6\u521b\u5efa\u4e86\u6570\u636e\uff0c\u5c31\u4e0d\u80fd\u518d\u6539\u53d8\u5b83\u3002\u5728\u51fd\u6570\u5f0f\u7f16\u7a0b\u4e2d\uff0c\u6570\u636e\u662f\u4e0d\u53ef\u53d8\u7684\uff0c\u4efb\u4f55\u4fee\u6539\u90fd\u4f1a\u8fd4\u56de\u4e00\u4e2a\u65b0\u7684\u6570\u636e\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u9ad8\u9636\u51fd\u6570\uff08Higher-Order Function\uff09\uff1a<\/strong>\n<ul>\n<li>\u9ad8\u9636\u51fd\u6570\u662f\u6307\u80fd\u591f\u63a5\u6536\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570\u6216\u8fd4\u56de\u51fd\u6570\u4f5c\u4e3a\u7ed3\u679c\u7684\u51fd\u6570\u3002\u8fd9\u79cd\u7279\u6027\u652f\u6301\u51fd\u6570\u7684\u7ec4\u5408\u548c\u62bd\u8c61\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u51fd\u6570\u7ec4\u5408\uff08Function Composition\uff09\uff1a<\/strong>\n<ul>\n<li>\u51fd\u6570\u7ec4\u5408\u662f\u5c06\u591a\u4e2a\u51fd\u6570\u7ec4\u5408\u6210\u4e00\u4e2a\u65b0\u7684\u51fd\u6570\u7684\u8fc7\u7a0b\u3002\u8fd9\u6837\u53ef\u4ee5\u901a\u8fc7\u7b80\u5355\u7684\u3001\u5c0f\u7684\u51fd\u6570\u6765\u6784\u5efa\u590d\u6742\u7684\u529f\u80fd\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u9012\u5f52\uff08Recursion\uff09\uff1a<\/strong>\n<ul>\n<li>\u51fd\u6570\u5f0f\u7f16\u7a0b\u9f13\u52b1\u4f7f\u7528\u9012\u5f52\u800c\u4e0d\u662f\u5faa\u73af\u6765\u5b9e\u73b0\u8fed\u4ee3\u3002\u9012\u5f52\u662f\u4e00\u79cd\u81ea\u6211\u8c03\u7528\u7684\u65b9\u5f0f\uff0c\u80fd\u591f\u7b80\u6d01\u5730\u8868\u8fbe\u95ee\u9898\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u6a21\u5f0f\u5339\u914d\uff08Pattern Matching\uff09\uff1a<\/strong>\n<ul>\n<li>\u6a21\u5f0f\u5339\u914d\u662f\u4e00\u79cd\u901a\u8fc7\u5339\u914d\u6570\u636e\u7ed3\u6784\u7684\u5f62\u72b6\u6765\u8fdb\u884c\u6761\u4ef6\u5206\u652f\u7684\u65b9\u5f0f\u3002\u5b83\u901a\u5e38\u7528\u4e8e\u5904\u7406\u5404\u79cd\u6570\u636e\u7ed3\u6784\u7684\u4e0d\u540c\u60c5\u51b5\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u60f0\u6027\u6c42\u503c\uff08Lazy Evaluation\uff09\uff1a<\/strong>\n<ul>\n<li>\u60f0\u6027\u6c42\u503c\u662f\u6307\u53ea\u6709\u5728\u9700\u8981\u7684\u65f6\u5019\u624d\u8ba1\u7b97\u8868\u8fbe\u5f0f\u7684\u503c\uff0c\u800c\u4e0d\u662f\u5728\u6bcf\u4e00\u6b65\u90fd\u7acb\u5373\u8ba1\u7b97\u3002\u8fd9\u6709\u52a9\u4e8e\u63d0\u9ad8\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u6548\u7387\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\u51fd\u6570\u5f0f\u7f16\u7a0b\u4e0d\u4ec5\u4ec5\u662f\u4e00\u79cd\u7f16\u7801\u98ce\u683c\uff0c\u4e5f\u662f\u4e00\u79cd\u601d\u8003\u95ee\u9898\u548c\u6784\u5efa\u7a0b\u5e8f\u7684\u65b9\u5f0f\u3002\u5b83\u5f3a\u8c03\u7b80\u6d01\u6027\u3001\u53ef\u7ec4\u5408\u6027\u548c\u53ef\u7ef4\u62a4\u6027\uff0c\u9002\u7528\u4e8e\u5e76\u53d1\u7f16\u7a0b\u548c\u5904\u7406\u5927\u89c4\u6a21\u6570\u636e\u7b49\u573a\u666f\u3002\u5728\u73b0\u4ee3\u7f16\u7a0b\u8bed\u8a00\u4e2d\uff0c\u50cfHaskell\u3001Scala\u3001Clojure\u3001JavaScript\uff08\u90e8\u5206\u652f\u6301\uff09\u7b49\u90fd\u652f\u6301\u51fd\u6570\u5f0f\u7f16\u7a0b\u7684\u7279\u6027\u3002<\/p>\n<h2>\u5341\u4e94\u3001\u521b\u5efa\u7ebf\u7a0b\u6709\u54ea\u4e9b\u65b9\u5f0f\uff1f<\/h2>\n<p>\u5728Java\u4e2d\uff0c\u6709\u591a\u79cd\u65b9\u5f0f\u53ef\u4ee5\u521b\u5efa\u7ebf\u7a0b\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u521b\u5efa\u7ebf\u7a0b\u7684\u65b9\u5f0f\uff1a<\/p>\n<ol>\n<li><strong>\u7ee7\u627f <code>Thread<\/code> \u7c7b\uff1a<\/strong>\n<ul>\n<li>\u521b\u5efa\u4e00\u4e2a\u7c7b\u7ee7\u627f\u81ea <code>Thread<\/code> \u7c7b\uff0c\u5e76\u91cd\u5199 <code>run()<\/code> \u65b9\u6cd5\uff0c\u7136\u540e\u5b9e\u4f8b\u5316\u8be5\u7c7b\u5e76\u8c03\u7528 <code>start()<\/code> \u65b9\u6cd5\u542f\u52a8\u7ebf\u7a0b\u3002<\/li>\n<\/ul>\n<pre><code class=\"language-java  line-numbers\">class MyThread extends Thread {\n   public void run() {\n       \/\/ \u7ebf\u7a0b\u6267\u884c\u7684\u4ee3\u7801\n   }\n}\n\n\/\/ \u521b\u5efa\u5e76\u542f\u52a8\u7ebf\u7a0b\nMyThread myThread = new MyThread();\nmyThread.start();\n<\/code><\/pre>\n<\/li>\n<li><strong>\u5b9e\u73b0 <code>Runnable<\/code> \u63a5\u53e3\uff1a<\/strong>\n<ul>\n<li>\u521b\u5efa\u4e00\u4e2a\u7c7b\u5b9e\u73b0 <code>Runnable<\/code> \u63a5\u53e3\uff0c\u5b9e\u73b0 <code>run()<\/code> \u65b9\u6cd5\uff0c\u7136\u540e\u521b\u5efa <code>Thread<\/code> \u5bf9\u8c61\u5e76\u4f20\u5165\u5b9e\u73b0\u4e86 <code>Runnable<\/code> \u63a5\u53e3\u7684\u5bf9\u8c61\u3002<\/li>\n<\/ul>\n<pre><code class=\"language-java  line-numbers\">class MyRunnable implements Runnable {\n   public void run() {\n       \/\/ \u7ebf\u7a0b\u6267\u884c\u7684\u4ee3\u7801\n   }\n}\n\n\/\/ \u521b\u5efa\u5e76\u542f\u52a8\u7ebf\u7a0b\nThread thread = new Thread(new MyRunnable());\nthread.start();\n<\/code><\/pre>\n<\/li>\n<li><strong>\u4f7f\u7528 <code>ExecutorService<\/code> \u6846\u67b6\uff1a<\/strong>\n<ul>\n<li>\u4f7f\u7528 <code>ExecutorService<\/code> \u6846\u67b6\u53ef\u4ee5\u66f4\u7075\u6d3b\u5730\u7ba1\u7406\u7ebf\u7a0b\u6c60\uff0c\u63d0\u4f9b\u4e86\u5bf9\u7ebf\u7a0b\u7684\u751f\u547d\u5468\u671f\u8fdb\u884c\u7ba1\u7406\u7684\u529f\u80fd\u3002<\/li>\n<\/ul>\n<pre><code class=\"language-java  line-numbers\">ExecutorService executorService = Executors.newFixedThreadPool(5);\n\nexecutorService.submit(() -&gt; {\n   \/\/ \u7ebf\u7a0b\u6267\u884c\u7684\u4ee3\u7801\n});\n\n\/\/ \u5173\u95ed\u7ebf\u7a0b\u6c60\nexecutorService.shutdown();\n<\/code><\/pre>\n<\/li>\n<li><strong>\u4f7f\u7528 <code>Callable<\/code> \u548c <code>Future<\/code>\uff1a<\/strong>\n<ul>\n<li><code>Callable<\/code> \u662f\u4e00\u4e2a\u5e26\u8fd4\u56de\u503c\u7684\u4efb\u52a1\uff0c\u53ef\u4ee5\u901a\u8fc7 <code>Future<\/code> \u83b7\u53d6\u4efb\u52a1\u6267\u884c\u7684\u7ed3\u679c\u3002<\/li>\n<\/ul>\n<pre><code class=\"language-java  line-numbers\">class MyCallable implements Callable&lt;String&gt; {\n   public String call() {\n       \/\/ \u7ebf\u7a0b\u6267\u884c\u7684\u4ee3\u7801\n       return \"Task completed\";\n   }\n}\n\n\/\/ \u521b\u5efa\u5e76\u542f\u52a8\u7ebf\u7a0b\nExecutorService executorService = Executors.newSingleThreadExecutor();\nFuture&lt;String&gt; future = executorService.submit(new MyCallable());\n\n\/\/ \u83b7\u53d6\u4efb\u52a1\u6267\u884c\u7ed3\u679c\nString result = future.get();\n\n\/\/ \u5173\u95ed\u7ebf\u7a0b\u6c60\nexecutorService.shutdown();\n<\/code><\/pre>\n<\/li>\n<li><strong>\u4f7f\u7528 <code>Lambda \u8868\u8fbe\u5f0f<\/code>\uff1a<\/strong>\n<ul>\n<li>\u4f7f\u7528 Java 8 \u5f15\u5165\u7684 Lambda \u8868\u8fbe\u5f0f\u53ef\u4ee5\u7b80\u5316\u7ebf\u7a0b\u7684\u521b\u5efa\u548c\u542f\u52a8\u3002<\/li>\n<\/ul>\n<pre><code class=\"language-java  line-numbers\">\/\/ \u4f7f\u7528 Lambda \u8868\u8fbe\u5f0f\u521b\u5efa\u5e76\u542f\u52a8\u7ebf\u7a0b\nnew Thread(() -&gt; {\n   \/\/ \u7ebf\u7a0b\u6267\u884c\u7684\u4ee3\u7801\n}).start();\n<\/code><\/pre>\n<\/li>\n<\/ol>\n<p>\u8fd9\u4e9b\u65b9\u5f0f\u63d0\u4f9b\u4e86\u4e0d\u540c\u7684\u7075\u6d3b\u6027\u548c\u529f\u80fd\uff0c\u9009\u62e9\u9002\u5408\u573a\u666f\u7684\u65b9\u5f0f\u6765\u521b\u5efa\u7ebf\u7a0b\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u63a8\u8350\u4f7f\u7528\u5b9e\u73b0 <code>Runnable<\/code> \u63a5\u53e3\u6216\u4f7f\u7528 <code>ExecutorService<\/code> \u6846\u67b6\u6765\u7ba1\u7406\u7ebf\u7a0b\u3002<\/p>\n<h2>\u5341\u516d\u3001\u8bf4\u4e00\u4e0b\u5bf9 synchronize \u7406\u89e3\uff0c\u9879\u76ee\u4e2d\u6709\u6ca1\u6709\u5e76\u53d1\u5e94\u7528\uff1f<\/h2>\n<p><code>synchronized<\/code> \u662f Java \u4e2d\u7528\u4e8e\u5b9e\u73b0\u7ebf\u7a0b\u540c\u6b65\u7684\u5173\u952e\u5b57\uff0c\u53ef\u4fee\u9970\u65b9\u6cd5\u6216\u4ee3\u7801\u5757\uff0c\u786e\u4fdd\u540c\u4e00\u65f6\u523b\u53ea\u6709\u4e00\u4e2a\u7ebf\u7a0b\u8bbf\u95ee\u88ab <code>synchronized<\/code> \u4fee\u9970\u7684\u4ee3\u7801\uff0c\u9632\u6b62\u7ade\u6001\u6761\u4ef6\u3002\u5b83\u5b9e\u73b0\u4e86\u4e92\u65a5\uff0c\u53ef\u91cd\u5165\u6027\uff0c\u7528\u4e8e\u963b\u585e\u548c\u7b49\u5f85\u3002\u5728\u9879\u76ee\u4e2d\uff0c\u5e38\u7528\u4e8e\u591a\u7ebf\u7a0b\u8bbf\u95ee\u5171\u4eab\u8d44\u6e90\uff0c\u786e\u4fdd\u7ebf\u7a0b\u5b89\u5168\u3002<\/p>\n<h2>\u5341\u4e03\u3001\u8bf4\u4e00\u4e0b\u7ebf\u7a0b\u6c60\uff0c\u4e3a\u4ec0\u4e48\u7528\u7ebf\u7a0b\u6c60\uff1f<\/h2>\n<p>\u7ebf\u7a0b\u6c60\u662f\u4e00\u79cd\u7ba1\u7406\u548c\u590d\u7528\u7ebf\u7a0b\u7684\u673a\u5236\uff0c\u901a\u8fc7\u63d0\u524d\u521b\u5efa\u7ebf\u7a0b\u5e76\u5c06\u5176\u653e\u5165\u6c60\u4e2d\uff0c\u5b9e\u73b0\u5bf9\u7ebf\u7a0b\u7684\u91cd\u7528\u3002\u4f7f\u7528\u7ebf\u7a0b\u6c60\u7684\u4e3b\u8981\u4f18\u52bf\u5305\u62ec\u51cf\u5c11\u7ebf\u7a0b\u521b\u5efa\u548c\u9500\u6bc1\u7684\u5f00\u9500\u3001\u63d0\u9ad8\u54cd\u5e94\u901f\u5ea6\u3001\u66f4\u597d\u7684\u8d44\u6e90\u7ba1\u7406\u3001\u907f\u514d\u7ebf\u7a0b\u6cc4\u6f0f\u3001\u63d0\u9ad8\u53ef\u7ba1\u7406\u6027\u4ee5\u53ca\u63a7\u5236\u5e76\u53d1\u5ea6\u3002\u5728Java\u4e2d\uff0c\u7ebf\u7a0b\u6c60\u901a\u8fc7<code>java.util.concurrent<\/code>\u5305\u63d0\u4f9b\uff0c\u5e38\u7528\u5b9e\u73b0\u5305\u62ec<code>FixedThreadPool<\/code>\u3001<code>CachedThreadPool<\/code>\u3001<code>SingleThreadExecutor<\/code>\u548c<code>ScheduledThreadPool<\/code>\u3002\u4f7f\u7528\u7ebf\u7a0b\u6c60\u53ef\u4ee5\u63d0\u9ad8\u7cfb\u7edf\u6027\u80fd\u3001\u54cd\u5e94\u901f\u5ea6\uff0c\u964d\u4f4e\u8d44\u6e90\u6d88\u8017\uff0c\u4f7f\u5f97\u591a\u7ebf\u7a0b\u7f16\u7a0b\u66f4\u52a0\u53ef\u63a7\u548c\u53ef\u7ba1\u7406\u3002<\/p>\n<h2>\u5341\u516b\u3001TCP \u548c UDP \u533a\u522b\uff1f<\/h2>\n<p>TCP\uff08Transmission Control Protocol\uff09\u548cUDP\uff08User Datagram Protocol\uff09\u662f\u4e24\u79cd\u4e0d\u540c\u7684\u4f20\u8f93\u5c42\u534f\u8bae\uff1a<\/p>\n<p><strong>TCP\uff1a<\/strong><br \/>\n&#8211; \u9762\u5411\u8fde\u63a5\uff0c\u9700\u8981\u5efa\u7acb\u8fde\u63a5\u540e\u518d\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3002<br \/>\n&#8211; \u63d0\u4f9b\u53ef\u9760\u7684\u3001\u6709\u5e8f\u7684\u3001\u9762\u5411\u5b57\u8282\u6d41\u7684\u8fde\u63a5\u3002<br \/>\n&#8211; \u4f7f\u7528\u6d41\u5f0f\u4f20\u8f93\uff0c\u901a\u8fc7\u5e8f\u5217\u53f7\u548c\u5e94\u7b54\u673a\u5236\u786e\u4fdd\u6570\u636e\u7684\u53ef\u9760\u6027\u3002<br \/>\n&#8211; \u6709\u91cd\u4f20\u673a\u5236\u548c\u62e5\u585e\u63a7\u5236\uff0c\u9002\u7528\u4e8e\u8981\u6c42\u53ef\u9760\u4f20\u8f93\u7684\u573a\u666f\uff0c\u5982\u6587\u4ef6\u4f20\u8f93\u3001\u7f51\u9875\u8bbf\u95ee\u7b49\u3002<\/p>\n<p><strong>UDP\uff1a<\/strong><br \/>\n&#8211; \u65e0\u8fde\u63a5\uff0c\u901a\u4fe1\u53cc\u65b9\u76f4\u63a5\u8fdb\u884c\u6570\u636e\u4f20\u8f93\uff0c\u65e0\u9700\u5148\u5efa\u7acb\u8fde\u63a5\u3002<br \/>\n&#8211; \u4e0d\u63d0\u4f9b\u53ef\u9760\u6027\u4fdd\u8bc1\uff0c\u6570\u636e\u53ef\u80fd\u4e22\u5931\u6216\u4e71\u5e8f\u3002<br \/>\n&#8211; \u4f7f\u7528\u6570\u636e\u62a5\u4f20\u8f93\uff0c\u9002\u7528\u4e8e\u5bf9\u5b9e\u65f6\u6027\u8981\u6c42\u8f83\u9ad8\u7684\u573a\u666f\uff0c\u5982\u89c6\u9891\u6d41\u3001\u97f3\u9891\u901a\u8bdd\u7b49\u3002<\/p>\n<h2>\u5341\u4e5d\u3001HTTPS \u548c http \u8054\u7cfb\uff1f<\/h2>\n<p>HTTP\uff08Hypertext Transfer Protocol\uff09\u548cHTTPS\uff08Hypertext Transfer Protocol Secure\uff09\u90fd\u662f\u7528\u4e8e\u5728\u7f51\u7edc\u4e0a\u4f20\u8f93\u6570\u636e\u7684\u534f\u8bae\uff0c\u5b83\u4eec\u4e4b\u95f4\u6709\u4ee5\u4e0b\u8054\u7cfb\u548c\u533a\u522b\uff1a<\/p>\n<h3>\u8054\u7cfb\uff1a<\/h3>\n<ol>\n<li><strong>\u5171\u540c\u76ee\u6807\uff1a<\/strong>\n<ul>\n<li>HTTP\u548cHTTPS\u90fd\u662f\u7528\u4e8e\u5728\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\u7684\u534f\u8bae\uff0c\u57fa\u4e8e\u8bf7\u6c42\u548c\u54cd\u5e94\u6a21\u578b\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5e94\u7528\u5c42\u534f\u8bae\uff1a<\/strong>\n<ul>\n<li>HTTP\u548cHTTPS\u90fd\u662f\u5e94\u7528\u5c42\u534f\u8bae\uff0c\u5c5e\u4e8eTCP\/IP\u534f\u8bae\u65cf\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>URL\u683c\u5f0f\u76f8\u540c\uff1a<\/strong>\n<ul>\n<li>\u5728\u6d4f\u89c8\u5668\u5730\u5740\u680f\u4e2d\uff0cHTTP\u548cHTTPS\u7684URL\u683c\u5f0f\u662f\u76f8\u540c\u7684\uff0c\u90fd\u4ee5 &#8220;http:\/\/&#8221; \u6216 &#8220;https:\/\/&#8221; \u5f00\u5934\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3>\u533a\u522b\uff1a<\/h3>\n<ol>\n<li><strong>\u5b89\u5168\u6027\uff1a<\/strong>\n<ul>\n<li>HTTP\u662f\u660e\u6587\u4f20\u8f93\u7684\u534f\u8bae\uff0c\u6570\u636e\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u4e0d\u52a0\u5bc6\uff0c\u53ef\u80fd\u88ab\u4e2d\u95f4\u4eba\u7a83\u542c\u3002\u800cHTTPS\u901a\u8fc7SSL\/TLS\u534f\u8bae\u5bf9\u6570\u636e\u8fdb\u884c\u52a0\u5bc6\uff0c\u63d0\u4f9b\u4e86\u66f4\u9ad8\u7684\u5b89\u5168\u6027\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u7aef\u53e3\u53f7\uff1a<\/strong>\n<ul>\n<li>HTTP\u9ed8\u8ba4\u4f7f\u7528\u7aef\u53e380\u8fdb\u884c\u901a\u4fe1\uff0c\u800cHTTPS\u9ed8\u8ba4\u4f7f\u7528\u7aef\u53e3443\u3002\u5728URL\u4e2d\uff0c\u5982\u679c\u4e0d\u6307\u5b9a\u7aef\u53e3\u53f7\uff0c\u6d4f\u89c8\u5668\u4f1a\u6839\u636e\u534f\u8bae\u81ea\u52a8\u9009\u62e9\u9ed8\u8ba4\u7684\u7aef\u53e3\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u534f\u8bae\uff1a<\/strong>\n<ul>\n<li>HTTP\u4f7f\u7528\u7eaf\u6587\u672c\u4f20\u8f93\u6570\u636e\uff0c\u800cHTTPS\u4f7f\u7528SSL\/TLS\u534f\u8bae\u8fdb\u884c\u52a0\u5bc6\uff0c\u4f7f\u6570\u636e\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u66f4\u52a0\u5b89\u5168\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u8bc1\u4e66\uff1a<\/strong>\n<ul>\n<li>\u5728HTTPS\u4e2d\uff0c\u670d\u52a1\u5668\u9700\u8981\u901a\u8fc7\u6570\u5b57\u8bc1\u4e66\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\uff0c\u4ee5\u786e\u4fdd\u8fde\u63a5\u7684\u5b89\u5168\u6027\u3002\u8fd9\u662f\u901a\u8fc7\u7b2c\u4e09\u65b9\u673a\u6784\uff08\u8bc1\u4e66\u9881\u53d1\u673a\u6784\uff0cCA\uff09\u9881\u53d1\u7684\u6570\u5b57\u8bc1\u4e66\u5b9e\u73b0\u7684\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u6027\u80fd\uff1a<\/strong>\n<ul>\n<li>\u7531\u4e8eHTTPS\u9700\u8981\u8fdb\u884c\u52a0\u5bc6\u548c\u89e3\u5bc6\u64cd\u4f5c\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u4e00\u5b9a\u7684\u6027\u80fd\u635f\u5931\uff0c\u76f8\u5bf9\u4e8eHTTP\u800c\u8a00\u7565\u6162\u4e00\u4e9b\u3002\u4f46\u968f\u7740\u8ba1\u7b97\u673a\u786c\u4ef6\u548c\u7f51\u7edc\u901f\u5ea6\u7684\u63d0\u5347\uff0c\u8fd9\u79cd\u5dee\u5f02\u9010\u6e10\u51cf\u5c0f\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\u7efc\u8ff0\uff1aHTTPS\u662fHTTP\u7684\u5b89\u5168\u7248\u672c\uff0c\u901a\u8fc7\u52a0\u5bc6\u901a\u4fe1\u548c\u8eab\u4efd\u9a8c\u8bc1\u63d0\u4f9b\u4e86\u66f4\u9ad8\u7684\u5b89\u5168\u6027\u3002\u5728\u4f7f\u7528HTTP\u65f6\uff0c\u6570\u636e\u4ee5\u660e\u6587\u5f62\u5f0f\u4f20\u8f93\uff0c\u53ef\u80fd\u5b58\u5728\u88ab\u7a83\u542c\u7684\u98ce\u9669\u3002\u56e0\u6b64\uff0c\u5bf9\u4e8e\u6d89\u53ca\u7528\u6237\u9690\u79c1\u3001\u654f\u611f\u4fe1\u606f\u4f20\u8f93\u7684\u573a\u666f\uff0c\u63a8\u8350\u4f7f\u7528HTTPS\u3002<\/p>\n<h2>\u4e8c\u5341\u3001jdbc \u64cd\u4f5c\u6570\u636e\u5e93\u7684\u6b65\u9aa4\uff1f<\/h2>\n<p>\u4f7f\u7528JDBC\u64cd\u4f5c\u6570\u636e\u5e93\u7684\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n<ol>\n<li><strong>\u52a0\u8f7d\u6570\u636e\u5e93\u9a71\u52a8\u7a0b\u5e8f\uff1a<\/strong>\n<ul>\n<li>\u4f7f\u7528 <code>Class.forName(\"com.mysql.cj.jdbc.Driver\");<\/code> \u52a0\u8f7d\u6570\u636e\u5e93\u9a71\u52a8\u7a0b\u5e8f\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5efa\u7acb\u6570\u636e\u5e93\u8fde\u63a5\uff1a<\/strong>\n<ul>\n<li>\u4f7f\u7528 <code>DriverManager.getConnection(url, username, password);<\/code> \u5efa\u7acb\u4e0e\u6570\u636e\u5e93\u7684\u8fde\u63a5\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u521b\u5efaStatement\u5bf9\u8c61\uff1a<\/strong>\n<ul>\n<li>\u4f7f\u7528 <code>connection.createStatement();<\/code> \u521b\u5efa\u4e00\u4e2a <code>Statement<\/code> \u5bf9\u8c61\uff0c\u7528\u4e8e\u6267\u884cSQL\u8bed\u53e5\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u6267\u884cSQL\u8bed\u53e5\uff1a<\/strong>\n<ul>\n<li>\u4f7f\u7528 <code>Statement<\/code> \u5bf9\u8c61\u7684 <code>executeUpdate()<\/code> \u65b9\u6cd5\u6267\u884c\u66f4\u65b0\u8bed\u53e5\uff08INSERT\u3001UPDATE\u3001DELETE\uff09\uff0c\u6216\u4f7f\u7528 <code>executeQuery()<\/code> \u65b9\u6cd5\u6267\u884c\u67e5\u8be2\u8bed\u53e5\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5904\u7406\u7ed3\u679c\u96c6\uff1a<\/strong>\n<ul>\n<li>\u5bf9\u4e8e\u67e5\u8be2\u64cd\u4f5c\uff0c\u4f7f\u7528 <code>ResultSet<\/code> \u5bf9\u8c61\u5904\u7406\u67e5\u8be2\u7ed3\u679c\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5173\u95ed\u8d44\u6e90\uff1a<\/strong>\n<ul>\n<li>\u4f7f\u7528\u5b8c\u6bd5\u540e\uff0c\u5173\u95ed\u6570\u636e\u5e93\u8fde\u63a5\u3001Statement\u548cResultSet\u7b49\u8d44\u6e90\uff0c\u4ee5\u91ca\u653e\u6570\u636e\u5e93\u8d44\u6e90\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h2>\u4e8c\u5341\u4e00\u3001MySQL \u5b57\u6bb5\u7c7b\u578b\uff1f<\/h2>\n<p>MySQL\u652f\u6301\u591a\u79cd\u5b57\u6bb5\u7c7b\u578b\uff0c\u5305\u62ec\uff1a<\/p>\n<ol>\n<li><strong>\u6574\u6570\u7c7b\u578b\uff1a<\/strong>\n<ul>\n<li><code>INT<\/code>\u3001<code>TINYINT<\/code>\u3001<code>SMALLINT<\/code>\u3001<code>MEDIUMINT<\/code>\u3001<code>BIGINT<\/code>\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u6d6e\u70b9\u6570\u7c7b\u578b\uff1a<\/strong>\n<ul>\n<li><code>FLOAT<\/code>\u3001<code>DOUBLE<\/code>\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5b9a\u70b9\u6570\u7c7b\u578b\uff1a<\/strong>\n<ul>\n<li><code>DECIMAL<\/code>\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5b57\u7b26\u4e32\u7c7b\u578b\uff1a<\/strong>\n<ul>\n<li><code>CHAR<\/code>\u3001<code>VARCHAR<\/code>\u3001<code>TEXT<\/code>\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u65e5\u671f\u548c\u65f6\u95f4\u7c7b\u578b\uff1a<\/strong>\n<ul>\n<li><code>DATE<\/code>\u3001<code>TIME<\/code>\u3001<code>DATETIME<\/code>\u3001<code>TIMESTAMP<\/code>\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u679a\u4e3e\u548c\u96c6\u5408\u7c7b\u578b\uff1a<\/strong>\n<ul>\n<li><code>ENUM<\/code>\u3001<code>SET<\/code>\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u4e8c\u8fdb\u5236\u7c7b\u578b\uff1a<\/strong>\n<ul>\n<li><code>BINARY<\/code>\u3001<code>VARBINARY<\/code>\u3001<code>BLOB<\/code>\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h2>\u4e8c\u5341\u4e8c\u3001\u6570\u636e\u5e93\u4e8b\u52a1\u7684\u56db\u5927\u7279\u6027\uff1f<\/h2>\n<p>\u6570\u636e\u5e93\u4e8b\u52a1\u5177\u6709\u56db\u5927\u7279\u6027\uff0c\u901a\u5e38\u88ab\u79f0\u4e3aACID\u7279\u6027\uff0c\u8fd9\u662f\u4e00\u7ec4\u786e\u4fdd\u4e8b\u52a1\u6b63\u5e38\u8fd0\u884c\u548c\u7ef4\u62a4\u6570\u636e\u4e00\u81f4\u6027\u7684\u5c5e\u6027\uff1a<\/p>\n<ol>\n<li><strong>\u539f\u5b50\u6027\uff08Atomicity\uff09\uff1a<\/strong>\n<ul>\n<li>\u539f\u5b50\u6027\u786e\u4fdd\u4e8b\u52a1\u662f\u4e00\u4e2a\u4e0d\u53ef\u5206\u5272\u7684\u5355\u5143\uff0c\u8981\u4e48\u5168\u90e8\u6267\u884c\uff0c\u8981\u4e48\u5168\u90e8\u4e0d\u6267\u884c\u3002\u5982\u679c\u4e8b\u52a1\u4e2d\u7684\u4efb\u4f55\u64cd\u4f5c\u5931\u8d25\uff0c\u6574\u4e2a\u4e8b\u52a1\u5c06\u56de\u6eda\u5230\u8d77\u59cb\u72b6\u6001\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u4e00\u81f4\u6027\uff08Consistency\uff09\uff1a<\/strong>\n<ul>\n<li>\u4e00\u81f4\u6027\u8981\u6c42\u5728\u4e8b\u52a1\u5f00\u59cb\u4e4b\u524d\u548c\u4e8b\u52a1\u7ed3\u675f\u4e4b\u540e\uff0c\u6570\u636e\u5e93\u7684\u72b6\u6001\u5fc5\u987b\u662f\u4e00\u81f4\u7684\u3002\u5982\u679c\u4e8b\u52a1\u6267\u884c\u6210\u529f\uff0c\u7cfb\u7edf\u4ece\u4e00\u4e2a\u4e00\u81f4\u6027\u72b6\u6001\u8f6c\u79fb\u5230\u53e6\u4e00\u4e2a\u4e00\u81f4\u6027\u72b6\u6001\u3002\u5982\u679c\u4e8b\u52a1\u6267\u884c\u5931\u8d25\uff0c\u5219\u7cfb\u7edf\u56de\u6eda\u5230\u4e8b\u52a1\u5f00\u59cb\u524d\u7684\u72b6\u6001\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u9694\u79bb\u6027\uff08Isolation\uff09\uff1a<\/strong>\n<ul>\n<li>\u9694\u79bb\u6027\u786e\u4fdd\u4e00\u4e2a\u4e8b\u52a1\u7684\u6267\u884c\u4e0d\u4f1a\u53d7\u5176\u4ed6\u4e8b\u52a1\u7684\u5e72\u6270\u3002\u5373\u4f7f\u5728\u591a\u4e2a\u4e8b\u52a1\u5e76\u53d1\u6267\u884c\u7684\u60c5\u51b5\u4e0b\uff0c\u6bcf\u4e2a\u4e8b\u52a1\u90fd\u50cf\u662f\u5728\u72ec\u7acb\u7684\u73af\u5883\u4e2d\u6267\u884c\u4e00\u6837\u3002\u9694\u79bb\u6027\u901a\u8fc7\u4f7f\u7528\u9501\u548c\u4e8b\u52a1\u7684\u9694\u79bb\u7ea7\u522b\uff08\u5982\u8bfb\u672a\u63d0\u4ea4\u3001\u8bfb\u5df2\u63d0\u4ea4\u3001\u53ef\u91cd\u590d\u8bfb\u3001\u4e32\u884c\u5316\uff09\u6765\u5b9e\u73b0\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u6301\u4e45\u6027\uff08Durability\uff09\uff1a<\/strong>\n<ul>\n<li>\u6301\u4e45\u6027\u8981\u6c42\u4e00\u65e6\u4e8b\u52a1\u88ab\u63d0\u4ea4\uff0c\u5176\u7ed3\u679c\u5e94\u8be5\u6c38\u4e45\u4fdd\u5b58\u5728\u6570\u636e\u5e93\u4e2d\uff0c\u5373\u4f7f\u7cfb\u7edf\u5d29\u6e83\u4e5f\u4e0d\u4f1a\u4e22\u5931\u3002\u8fd9\u901a\u5e38\u901a\u8fc7\u5c06\u4e8b\u52a1\u7684\u64cd\u4f5c\u65e5\u5fd7\u6301\u4e45\u4fdd\u5b58\u5728\u78c1\u76d8\u4e0a\u6765\u5b9e\u73b0\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\u8fd9\u56db\u4e2a\u7279\u6027\u4e00\u8d77\u786e\u4fdd\u4e86\u4e8b\u52a1\u7684\u53ef\u9760\u6027\u548c\u7a33\u5b9a\u6027\u3002\u5982\u679c\u4e00\u4e2a\u7cfb\u7edf\u6ee1\u8db3\u4e86ACID\u7279\u6027\uff0c\u90a3\u4e48\u5373\u4f7f\u5728\u53d1\u751f\u7cfb\u7edf\u6545\u969c\u6216\u5176\u4ed6\u5f02\u5e38\u60c5\u51b5\u65f6\uff0c\u6570\u636e\u5e93\u4e5f\u80fd\u591f\u4fdd\u6301\u4e00\u81f4\u548c\u53ef\u9760\u3002<\/p>\n<h2>\u4e8c\u5341\u4e09\u3001\u600e\u4e48\u5206\u6790 SQL \u6027\u80fd\uff0c\u600e\u4e48\u4f18\u5316 SQL\uff1f<\/h2>\n<h3>SQL\u6027\u80fd\u5206\u6790\uff1a<\/h3>\n<ol>\n<li><strong>\u6267\u884c\u8ba1\u5212\u5206\u6790\uff1a<\/strong>\n<ul>\n<li>\u4f7f\u7528 <code>EXPLAIN<\/code>\uff08MySQL\uff09\u3001<code>EXPLAIN PLAN<\/code>\uff08Oracle\uff09\u3001<code>SHOWPLAN<\/code>\uff08SQL Server\uff09\u7b49\u547d\u4ee4\u83b7\u53d6SQL\u8bed\u53e5\u7684\u6267\u884c\u8ba1\u5212\uff0c\u5206\u6790\u7d22\u5f15\u4f7f\u7528\u548c\u8868\u626b\u63cf\u60c5\u51b5\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u6027\u80fd\u76d1\u63a7\u5de5\u5177\uff1a<\/strong>\n<ul>\n<li>\u4f7f\u7528\u6570\u636e\u5e93\u6027\u80fd\u76d1\u63a7\u5de5\u5177\uff0c\u5982MySQL\u7684<code>Performance Schema<\/code>\u6216SQL Server\u7684<code>SQL Server Profiler<\/code>\uff0c\u6355\u83b7\u5b9e\u65f6\u6570\u636e\u5e93\u6d3b\u52a8\u5e76\u5206\u6790\u6027\u80fd\u74f6\u9888\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u7d22\u5f15\u548c\u7edf\u8ba1\u4fe1\u606f\uff1a<\/strong>\n<ul>\n<li>\u786e\u4fdd\u8868\u4e0a\u7684\u7d22\u5f15\u548c\u7edf\u8ba1\u4fe1\u606f\u662f\u6700\u4f18\u7684\uff0c\u4ee5\u63d0\u9ad8\u67e5\u8be2\u6027\u80fd\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3>SQL\u6027\u80fd\u4f18\u5316\uff1a<\/h3>\n<ol>\n<li><strong>\u4f18\u5316\u67e5\u8be2\u8bed\u53e5\uff1a<\/strong>\n<ul>\n<li>\u7f16\u5199\u9ad8\u6548\u7684\u67e5\u8be2\u8bed\u53e5\uff0c\u53ea\u68c0\u7d22\u5fc5\u8981\u7684\u5217\uff0c\u907f\u514d\u4f7f\u7528<code>SELECT *<\/code>\uff0c\u9650\u5236\u7ed3\u679c\u96c6\u5927\u5c0f\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5408\u7406\u4f7f\u7528\u7d22\u5f15\uff1a<\/strong>\n<ul>\n<li>\u786e\u4fdd\u7d22\u5f15\u5f97\u5230\u6b63\u786e\u4f7f\u7528\uff0c\u6839\u636e\u67e5\u8be2\u6267\u884c\u8ba1\u5212\u6dfb\u52a0\u6216\u8c03\u6574\u7d22\u5f15\uff0c\u907f\u514d\u8fc7\u591a\u7d22\u5f15\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5206\u6790\u548c\u91cd\u5199\u590d\u6742\u67e5\u8be2\uff1a<\/strong>\n<ul>\n<li>\u5206\u6790\u590d\u6742\u67e5\u8be2\u8bed\u53e5\uff0c\u53ef\u80fd\u9700\u8981\u91cd\u5199\u67e5\u8be2\u4ee5\u4f18\u5316\u6267\u884c\u8ba1\u5212\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u7f13\u5b58\u548c\u5b58\u50a8\u8fc7\u7a0b\uff1a<\/strong>\n<ul>\n<li>\u4f7f\u7528\u7f13\u5b58\u6280\u672f\u548c\u5b58\u50a8\u8fc7\u7a0b\u63d0\u9ad8\u67e5\u8be2\u6027\u80fd\uff0c\u51cf\u5c11\u6570\u636e\u5e93\u8bbf\u95ee\u6b21\u6570\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5206\u533a\u8868\uff1a<\/strong>\n<ul>\n<li>\u5bf9\u5927\u578b\u8868\u4f7f\u7528\u8868\u5206\u533a\u6280\u672f\uff0c\u63d0\u9ad8\u67e5\u8be2\u6027\u80fd\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u6570\u636e\u5e93\u8fde\u63a5\u6c60\uff1a<\/strong>\n<ul>\n<li>\u4f7f\u7528\u6570\u636e\u5e93\u8fde\u63a5\u6c60\u7ba1\u7406\u8fde\u63a5\uff0c\u63d0\u9ad8\u8fde\u63a5\u7684\u590d\u7528\u6027\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5b9a\u671f\u6570\u636e\u5e93\u7ef4\u62a4\uff1a<\/strong>\n<ul>\n<li>\u6267\u884c\u5b9a\u671f\u7684\u7ef4\u62a4\u4efb\u52a1\uff0c\u5982\u7d22\u5f15\u91cd\u5efa\u3001\u7edf\u8ba1\u4fe1\u606f\u66f4\u65b0\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u786c\u4ef6\u5347\u7ea7\u548c\u8c03\u6574\uff1a<\/strong>\n<ul>\n<li>\u5728\u9002\u5f53\u60c5\u51b5\u4e0b\uff0c\u8003\u8651\u786c\u4ef6\u5347\u7ea7\uff0c\u589e\u52a0\u5185\u5b58\u3001\u4f7f\u7528\u66f4\u5feb\u5b58\u50a8\u8bbe\u5907\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\u8fd9\u4e9b\u6b65\u9aa4\u5e2e\u52a9\u63d0\u9ad8SQL\u6027\u80fd\uff0c\u9700\u8981\u6839\u636e\u5177\u4f53\u60c5\u51b5\u9009\u62e9\u5408\u9002\u7684\u4f18\u5316\u7b56\u7565\u3002<\/p>\n<h2>\u4e8c\u5341\u56db\u3001\u4f60\u662f\u600e\u4e48\u5206\u6790 SQL \u6267\u884c\u4e2d\u6162\u4e0d\u6162\uff1f<\/h2>\n<p>\u5206\u6790SQL\u6267\u884c\u4e2d\u7684\u6162\u67e5\u8be2\u662f\u6570\u636e\u5e93\u6027\u80fd\u4f18\u5316\u7684\u4e00\u4e2a\u91cd\u8981\u6b65\u9aa4\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u65b9\u6cd5\u548c\u5de5\u5177\uff0c\u53ef\u4ee5\u7528\u6765\u8bc6\u522b\u548c\u5206\u6790\u6162\u67e5\u8be2\uff1a<\/p>\n<ol>\n<li><strong>\u6267\u884c\u8ba1\u5212\u5206\u6790\uff1a<\/strong>\n<ul>\n<li>\u4f7f\u7528\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u63d0\u4f9b\u7684 <code>EXPLAIN<\/code>\uff08MySQL\uff09\u3001<code>EXPLAIN PLAN<\/code>\uff08Oracle\uff09\u3001<code>SHOWPLAN<\/code>\uff08SQL Server\uff09\u7b49\u547d\u4ee4\uff0c\u83b7\u53d6SQL\u8bed\u53e5\u7684\u6267\u884c\u8ba1\u5212\u3002\u67e5\u770b\u6267\u884c\u8ba1\u5212\uff0c\u7279\u522b\u5173\u6ce8\u662f\u5426\u4f7f\u7528\u4e86\u7d22\u5f15\uff0c\u662f\u5426\u5b58\u5728\u8868\u626b\u63cf\u7b49\u8017\u65f6\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u6162\u67e5\u8be2\u65e5\u5fd7\uff1a<\/strong>\n<ul>\n<li>\u542f\u7528\u6570\u636e\u5e93\u7684\u6162\u67e5\u8be2\u65e5\u5fd7\uff0c\u8bb0\u5f55\u6267\u884c\u65f6\u95f4\u8d85\u8fc7\u4e00\u5b9a\u9608\u503c\u7684SQL\u8bed\u53e5\u3002\u5206\u6790\u6162\u67e5\u8be2\u65e5\u5fd7\uff0c\u8bc6\u522b\u6267\u884c\u65f6\u95f4\u957f\u7684SQL\u8bed\u53e5\uff0c\u5173\u6ce8\u53ef\u80fd\u7684\u6027\u80fd\u74f6\u9888\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u6027\u80fd\u76d1\u63a7\u5de5\u5177\uff1a<\/strong>\n<ul>\n<li>\u4f7f\u7528\u6570\u636e\u5e93\u6027\u80fd\u76d1\u63a7\u5de5\u5177\uff0c\u5982MySQL\u7684 <code>Performance Schema<\/code>\u3001SQL Server\u7684 <code>SQL Server Profiler<\/code>\uff0c\u6355\u83b7\u548c\u5206\u6790\u5b9e\u65f6\u7684\u6570\u636e\u5e93\u6d3b\u52a8\u3002\u5173\u6ce8\u6267\u884c\u65f6\u95f4\u8f83\u957f\u7684\u67e5\u8be2\uff0c\u67e5\u770b\u76f8\u5173\u6027\u80fd\u6307\u6807\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u67e5\u8be2\u4f18\u5316\u5668\u63d0\u793a\uff1a<\/strong>\n<ul>\n<li>\u5728\u4e00\u4e9b\u6570\u636e\u5e93\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u5728SQL\u8bed\u53e5\u4e2d\u6dfb\u52a0\u67e5\u8be2\u4f18\u5316\u5668\u63d0\u793a\uff0c\u5982MySQL\u4e2d\u7684 <code>USE INDEX<\/code>\u3001<code>FORCE INDEX<\/code>\u3001<code>IGNORE INDEX<\/code>\uff0c\u6765\u5f71\u54cd\u67e5\u8be2\u6267\u884c\u8ba1\u5212\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u4f7f\u7528SQL Profiler\u5de5\u5177\uff1a<\/strong>\n<ul>\n<li>\u4f7f\u7528\u6570\u636e\u5e93\u6027\u80fd\u5206\u6790\u5de5\u5177\uff0c\u5982<code>pt-query-digest<\/code>\uff08Percona Toolkit\uff09\u3001<code>SQL Server Profiler<\/code>\u7b49\uff0c\u5206\u6790SQL\u7684\u6267\u884c\u60c5\u51b5\uff0c\u63d0\u4f9b\u6162\u67e5\u8be2\u62a5\u544a\u548c\u5206\u6790\u7ed3\u679c\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u68c0\u67e5\u8868\u7edf\u8ba1\u4fe1\u606f\uff1a<\/strong>\n<ul>\n<li>\u786e\u4fdd\u8868\u7684\u7edf\u8ba1\u4fe1\u606f\u662f\u6700\u65b0\u7684\uff0c\u6570\u636e\u5e93\u5f15\u64ce\u4f7f\u7528\u8fd9\u4e9b\u4fe1\u606f\u6765\u751f\u6210\u6267\u884c\u8ba1\u5212\u3002\u8fc7\u65f6\u7684\u7edf\u8ba1\u4fe1\u606f\u53ef\u80fd\u5bfc\u81f4\u4e0d\u6b63\u786e\u7684\u6267\u884c\u8ba1\u5212\uff0c\u5f71\u54cd\u6027\u80fd\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u4f7f\u7528\u7d22\u5f15\u5206\u6790\u5de5\u5177\uff1a<\/strong>\n<ul>\n<li>\u4e00\u4e9b\u6570\u636e\u5e93\u63d0\u4f9b\u7d22\u5f15\u5206\u6790\u5de5\u5177\uff0c\u53ef\u4ee5\u5e2e\u52a9\u8bc6\u522b\u672a\u4f7f\u7528\u7684\u7d22\u5f15\u3001\u91cd\u590d\u7684\u7d22\u5f15\u6216\u8005\u53ef\u80fd\u7684\u7d22\u5f15\u4f18\u5316\u673a\u4f1a\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5206\u6790\u9501\u7b49\u5f85\uff1a<\/strong>\n<ul>\n<li>\u4f7f\u7528\u6570\u636e\u5e93\u7684\u9501\u7b49\u5f85\u5206\u6790\u5de5\u5177\uff0c\u8bc6\u522b\u662f\u5426\u5b58\u5728\u9501\u7b49\u5f85\u95ee\u9898\uff0c\u8fd9\u53ef\u80fd\u5bfc\u81f4SQL\u6267\u884c\u53d8\u6162\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5b9a\u671f\u6027\u80fd\u5206\u6790\uff1a<\/strong>\n<ul>\n<li>\u5b9a\u671f\u8fdb\u884c\u6027\u80fd\u5206\u6790\uff0c\u68c0\u67e5\u6570\u636e\u5e93\u6027\u80fd\u6307\u6807\u3001\u67e5\u8be2\u6267\u884c\u8ba1\u5212\u548c\u6162\u67e5\u8be2\u65e5\u5fd7\uff0c\u53ca\u65f6\u53d1\u73b0\u5e76\u89e3\u51b3\u6f5c\u5728\u7684\u6027\u80fd\u95ee\u9898\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\u901a\u8fc7\u7efc\u5408\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\u548c\u5de5\u5177\uff0c\u53ef\u4ee5\u5e2e\u52a9\u8bc6\u522b\u548c\u5206\u6790SQL\u6267\u884c\u4e2d\u7684\u6162\u67e5\u8be2\uff0c\u4ece\u800c\u91c7\u53d6\u76f8\u5e94\u7684\u4f18\u5316\u63aa\u65bd\u3002<\/p>\n<h2>\u4e8c\u5341\u4e94\u3001\u8bf4\u4e00\u4e0b\u5bf9 springboot \u548c spring \u7684\u7406\u89e3\uff1f<\/h2>\n<p><strong>Spring:<\/strong><\/p>\n<p>Spring \u662f\u4e00\u4e2a\u5f00\u6e90\u7684Java\u6846\u67b6\uff0c\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u7684\u89e3\u51b3\u65b9\u6848\u548c\u529f\u80fd\uff0c\u7528\u4e8e\u6784\u5efa\u4f01\u4e1a\u7ea7\u5e94\u7528\u3002Spring\u7684\u6838\u5fc3\u7279\u6027\u5305\u62ec\uff1a<\/p>\n<ol>\n<li><strong>\u4f9d\u8d56\u6ce8\u5165\uff08DI\uff09\uff1a<\/strong>\n<ul>\n<li>\u901a\u8fc7\u63a7\u5236\u53cd\u8f6c\uff08IoC\uff09\u5b9e\u73b0\u4f9d\u8d56\u6ce8\u5165\uff0c\u5c06\u5bf9\u8c61\u7684\u521b\u5efa\u548c\u7ba1\u7406\u4ea4\u7ed9Spring\u5bb9\u5668\uff0c\u51cf\u5c11\u7ec4\u4ef6\u4e4b\u95f4\u7684\u8026\u5408\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u9762\u5411\u5207\u9762\u7f16\u7a0b\uff08AOP\uff09\uff1a<\/strong>\n<ul>\n<li>\u63d0\u4f9b\u4e86 AOP \u652f\u6301\uff0c\u5141\u8bb8\u5c06\u6a2a\u5207\u5173\u6ce8\u70b9\uff08\u5982\u4e8b\u52a1\u7ba1\u7406\u3001\u65e5\u5fd7\u8bb0\u5f55\uff09\u4e0e\u4e1a\u52a1\u903b\u8f91\u5206\u79bb\uff0c\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u6570\u636e\u8bbf\u95ee\uff1a<\/strong>\n<ul>\n<li>\u7b80\u5316\u4e86\u6570\u636e\u8bbf\u95ee\u7684\u6d41\u7a0b\uff0c\u63d0\u4f9b\u4e86\u5bf9\u4e8b\u52a1\u7ba1\u7406\u3001\u6570\u636e\u6e90\u3001ORM\u6846\u67b6\uff08\u5982Hibernate\uff09\u7684\u652f\u6301\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u6a21\u5757\u5316\uff1a<\/strong>\n<ul>\n<li>\u4ee5\u6a21\u5757\u5316\u7684\u65b9\u5f0f\u63d0\u4f9b\u4e86\u8bb8\u591a\u529f\u80fd\uff0c\u53ef\u4ee5\u6839\u636e\u9700\u6c42\u9009\u62e9\u4f7f\u7528\u3002\u4f8b\u5982\uff0cSpring MVC\u7528\u4e8e\u6784\u5efaWeb\u5e94\u7528\uff0cSpring Security\u7528\u4e8e\u5904\u7406\u5b89\u5168\u6027\u95ee\u9898\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u4f01\u4e1a\u670d\u52a1\uff1a<\/strong>\n<ul>\n<li>\u63d0\u4f9b\u4e86\u4f01\u4e1a\u670d\u52a1\uff0c\u5982\u8fdc\u7a0b\u8c03\u7528\u3001JMS\uff08Java Message Service\uff09\u652f\u6301\u3001\u8c03\u5ea6\u4efb\u52a1\u7b49\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p><strong>Spring Boot:<\/strong><\/p>\n<p>Spring Boot \u662f\u57fa\u4e8eSpring\u6846\u67b6\u7684\u4e00\u4e2a\u9879\u76ee\uff0c\u65e8\u5728\u7b80\u5316\u548c\u52a0\u901fSpring\u5e94\u7528\u7a0b\u5e8f\u7684\u5f00\u53d1\u548c\u90e8\u7f72\u3002Spring Boot \u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u7ea6\u5b9a\u4f18\u4e8e\u914d\u7f6e\u7684\u529f\u80fd\uff0c\u4f7f\u5f97\u5f00\u53d1\u8005\u80fd\u591f\u66f4\u5bb9\u6613\u5730\u521b\u5efa\u72ec\u7acb\u7684\u3001\u81ea\u5305\u542b\u7684Spring\u5e94\u7528\u3002\u5176\u4e3b\u8981\u7279\u70b9\u5305\u62ec\uff1a<\/p>\n<ol>\n<li><strong>\u81ea\u52a8\u914d\u7f6e\uff1a<\/strong>\n<ul>\n<li>Spring Boot \u63d0\u4f9b\u4e86\u5f88\u591a\u9ed8\u8ba4\u7684\u914d\u7f6e\uff0c\u65e0\u9700\u624b\u52a8\u914d\u7f6e\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u901a\u8fc7\u5c11\u91cf\u7684\u914d\u7f6e\u5b9e\u73b0\u5feb\u901f\u642d\u5efa\u9879\u76ee\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5185\u5d4c\u5f0f\u5bb9\u5668\uff1a<\/strong>\n<ul>\n<li>\u96c6\u6210\u4e86\u4e00\u4e9b\u5e38\u89c1\u7684Web\u5bb9\u5668\uff08\u5982Tomcat\u3001Jetty\uff09\uff0c\u53ef\u4ee5\u5c06Spring Boot\u5e94\u7528\u76f4\u63a5\u6253\u5305\u6210\u53ef\u6267\u884c\u7684JAR\u6216WAR\u6587\u4ef6\uff0c\u65b9\u4fbf\u90e8\u7f72\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u7ea6\u5b9a\u5927\u4e8e\u914d\u7f6e\uff1a<\/strong>\n<ul>\n<li>\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u7684\u7ea6\u5b9a\uff0c\u9075\u5faa\u201c\u7ea6\u5b9a\u5927\u4e8e\u914d\u7f6e\u201d\u7684\u539f\u5219\uff0c\u51cf\u5c11\u4e86\u5f00\u53d1\u8005\u7684\u914d\u7f6e\u5de5\u4f5c\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5fae\u670d\u52a1\u652f\u6301\uff1a<\/strong>\n<ul>\n<li>\u9488\u5bf9\u5fae\u670d\u52a1\u67b6\u6784\u63d0\u4f9b\u4e86\u826f\u597d\u7684\u652f\u6301\uff0c\u5305\u62ec\u5bf9RESTful API\u7684\u7b80\u5316\u5f00\u53d1\u3001\u670d\u52a1\u53d1\u73b0\u3001\u914d\u7f6e\u4e2d\u5fc3\u7b49\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u751f\u6001\u7cfb\u7edf\uff1a<\/strong>\n<ul>\n<li>Spring Boot\u4e0eSpring Cloud\u642d\u914d\u4f7f\u7528\uff0c\u6784\u5efa\u5206\u5e03\u5f0f\u7cfb\u7edf\uff0c\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u751f\u6001\u7cfb\u7edf\uff0c\u5982\u670d\u52a1\u6ce8\u518c\u4e0e\u53d1\u73b0\uff08Eureka\uff09\u3001\u914d\u7f6e\u4e2d\u5fc3\uff08Config Server\uff09\u3001\u65ad\u8def\u5668\uff08Hystrix\uff09\u7b49\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\u603b\u4f53\u800c\u8a00\uff0cSpring\u662f\u4e00\u4e2a\u5168\u9762\u7684\u4f01\u4e1a\u7ea7\u6846\u67b6\uff0c\u800cSpring Boot\u5219\u662f\u4e00\u4e2a\u7b80\u5316\u4e86Spring\u5f00\u53d1\u6d41\u7a0b\u3001\u66f4\u52a0\u4fbf\u6377\u7684\u5fae\u670d\u52a1\u5f00\u53d1\u6846\u67b6\u3002Spring Boot\u901a\u8fc7\u9ed8\u8ba4\u914d\u7f6e\u548c\u7ea6\u5b9a\u4fc3\u4f7f\u5f00\u53d1\u8005\u66f4\u4e13\u6ce8\u4e8e\u4e1a\u52a1\u903b\u8f91\u7684\u5b9e\u73b0\uff0c\u63d0\u9ad8\u4e86\u5f00\u53d1\u6548\u7387\u3002<\/p>\n<h2>\u4e8c\u5341\u516d\u3001springboot \u6216 spring \u4e2d\u6709\u54ea\u4e9b\u6ce8\u89e3\uff1f<\/h2>\n<p>Spring Boot \u548c Spring \u6846\u67b6\u4e2d\u90fd\u6709\u5f88\u591a\u6ce8\u89e3\uff0c\u7528\u4e8e\u7b80\u5316\u914d\u7f6e\u3001\u58f0\u660e Bean\u3001\u5b9e\u73b0 AOP \u7b49\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u6ce8\u89e3\uff1a<\/p>\n<h3>Spring Boot \u6ce8\u89e3\uff1a<\/h3>\n<ol>\n<li><strong><code>@SpringBootApplication<\/code>\uff1a<\/strong>\n<ul>\n<li>\u7528\u4e8e\u6807\u8bc6\u4e3b\u7a0b\u5e8f\u7c7b\uff0c\u901a\u5e38\u4f4d\u4e8e\u5305\u7684\u6700\u4e0a\u5c42\uff0c\u8868\u793a\u8fd9\u662f\u4e00\u4e2a Spring Boot \u5e94\u7528\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong><code>@RestController<\/code>\uff1a<\/strong>\n<ul>\n<li>\u7ed3\u5408 <code>@Controller<\/code> \u548c <code>@ResponseBody<\/code>\uff0c\u7528\u4e8e\u58f0\u660e\u4e00\u4e2a\u63a7\u5236\u5668\u7c7b\uff0c\u5176\u4e2d\u7684\u65b9\u6cd5\u8fd4\u56de\u7684\u662f JSON \u6570\u636e\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong><code>@RequestMapping<\/code>\uff1a<\/strong>\n<ul>\n<li>\u7528\u4e8e\u6620\u5c04\u8bf7\u6c42\u8def\u5f84\uff0c\u53ef\u4ee5\u6807\u6ce8\u5728\u7c7b\u4e0a\uff0c\u4e5f\u53ef\u4ee5\u6807\u6ce8\u5728\u65b9\u6cd5\u4e0a\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong><code>@Autowired<\/code>\uff1a<\/strong>\n<ul>\n<li>\u81ea\u52a8\u88c5\u914d\uff0c\u7528\u4e8e\u6ce8\u5165\u4f9d\u8d56\u7684Bean\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong><code>@Value<\/code>\uff1a<\/strong>\n<ul>\n<li>\u7528\u4e8e\u6ce8\u5165\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684\u503c\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong><code>@Configuration<\/code>\uff1a<\/strong>\n<ul>\n<li>\u58f0\u660e\u4e00\u4e2a\u7c7b\u4f5c\u4e3a\u914d\u7f6e\u7c7b\uff0c\u7c7b\u4f3c\u4e8e Spring \u4e2d\u7684 XML \u914d\u7f6e\u6587\u4ef6\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong><code>@ComponentScan<\/code>\uff1a<\/strong>\n<ul>\n<li>\u626b\u63cf\u6307\u5b9a\u5305\u8def\u5f84\u4e0b\u7684\u7ec4\u4ef6\uff0c\u7528\u4e8e\u81ea\u52a8\u53d1\u73b0\u548c\u6ce8\u518c Bean\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong><code>@EnableAutoConfiguration<\/code>\uff1a<\/strong>\n<ul>\n<li>\u542f\u7528\u81ea\u52a8\u914d\u7f6e\uff0c\u6839\u636e\u9879\u76ee\u4e2d\u7684\u4f9d\u8d56\u81ea\u52a8\u914d\u7f6e Spring\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong><code>@Conditional<\/code>\uff1a<\/strong>\n<ul>\n<li>\u6839\u636e\u6307\u5b9a\u7684\u6761\u4ef6\u5224\u65ad\u662f\u5426\u521b\u5efa Bean\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong><code>@Slf4j<\/code>\u3001<code>@Log4j2<\/code>\uff1a<\/strong>\n<ul>\n<li>\u7b80\u5316\u65e5\u5fd7\u7684\u4f7f\u7528\uff0c\u63d0\u4f9b\u4e0d\u540c\u7684\u65e5\u5fd7\u5b9e\u73b0\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3>Spring \u6846\u67b6\u6ce8\u89e3\uff1a<\/h3>\n<ol>\n<li><strong><code>@Component<\/code>\uff1a<\/strong>\n<ul>\n<li>\u901a\u7528\u7684\u7ec4\u4ef6\u6ce8\u89e3\uff0c\u53ef\u7528\u4e8e\u4efb\u4f55 Spring \u7ba1\u7406\u7684\u7ec4\u4ef6\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong><code>@Repository<\/code>\u3001<code>@Service<\/code>\u3001<code>@Controller<\/code>\uff1a<\/strong>\n<ul>\n<li>\u5206\u522b\u7528\u4e8e\u6807\u6ce8\u6301\u4e45\u5c42\u7ec4\u4ef6\u3001\u670d\u52a1\u5c42\u7ec4\u4ef6\u3001\u63a7\u5236\u5668\u7ec4\u4ef6\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong><code>@Autowired<\/code>\uff1a<\/strong>\n<ul>\n<li>\u7528\u4e8e\u4f9d\u8d56\u6ce8\u5165\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong><code>@Qualifier<\/code>\uff1a<\/strong>\n<ul>\n<li>\u914d\u5408 <code>@Autowired<\/code> \u4f7f\u7528\uff0c\u6307\u5b9a\u6ce8\u5165\u7684 Bean \u540d\u79f0\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong><code>@Configuration<\/code>\u3001<code>@Bean<\/code>\uff1a<\/strong>\n<ul>\n<li>\u7528\u4e8e Java Config \u914d\u7f6e\uff0c\u66ff\u4ee3 XML \u914d\u7f6e\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong><code>@Value<\/code>\uff1a<\/strong>\n<ul>\n<li>\u6ce8\u5165\u5916\u90e8\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684\u5c5e\u6027\u503c\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong><code>@Scope<\/code>\uff1a<\/strong>\n<ul>\n<li>\u5b9a\u4e49 Bean \u7684\u4f5c\u7528\u57df\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong><code>@Transactional<\/code>\uff1a<\/strong>\n<ul>\n<li>\u7528\u4e8e\u58f0\u660e\u4e8b\u52a1\u7684\u5c5e\u6027\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong><code>@Aspect<\/code>\u3001<code>@Pointcut<\/code>\u3001<code>@Before<\/code>\u3001<code>@After<\/code>\u3001<code>@Around<\/code>\uff1a<\/strong>\n<ul>\n<li>\u7528\u4e8e\u58f0\u660e\u5207\u9762\u3001\u5207\u5165\u70b9\u548c\u901a\u77e5\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong><code>@Primary<\/code>\uff1a<\/strong>\n<ul>\n<li>\u5728\u591a\u4e2a\u5019\u9009 Bean \u65f6\uff0c\u4f18\u5148\u4f7f\u7528\u6807\u6ce8\u4e3a <code>@Primary<\/code> \u7684 Bean\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\u8fd9\u53ea\u662f\u4e00\u5c0f\u90e8\u5206\u5e38\u7528\u6ce8\u89e3\uff0cSpring \u548c Spring Boot \u6846\u67b6\u63d0\u4f9b\u4e86\u66f4\u591a\u7684\u6ce8\u89e3\u6765\u7b80\u5316\u5f00\u53d1\uff0c\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<h2>\u4e8c\u5341\u4e03\u3001\u600e\u4e48\u628a\u4e00\u4e2a\u5bf9\u8c61\u6ce8\u5165\u5230 spring \u5bb9\u5668\u4e2d\uff1f<\/h2>\n<p>\u5728Spring\u4e2d\uff0c\u5c06\u4e00\u4e2a\u5bf9\u8c61\u6ce8\u5165\u5230\u5bb9\u5668\u4e2d\u901a\u5e38\u6709\u4ee5\u4e0b\u51e0\u79cd\u65b9\u5f0f\uff1a<\/p>\n<ol>\n<li><strong>\u4f7f\u7528 <code>@Component<\/code> \u6ce8\u89e3\uff1a<\/strong>\n<ul>\n<li>\u5728\u7c7b\u4e0a\u4f7f\u7528 <code>@Component<\/code> \u6ce8\u89e3\uff0c\u5c06\u7c7b\u58f0\u660e\u4e3a\u4e00\u4e2a\u7ec4\u4ef6\uff0cSpring\u4f1a\u81ea\u52a8\u626b\u63cf\u5e76\u5c06\u5176\u6ce8\u518c\u4e3a\u4e00\u4e2aBean\u3002<\/li>\n<\/ul>\n<pre><code class=\"language-java  line-numbers\">@Component\npublic class MyComponent {\n   \/\/ \u7c7b\u5b9a\u4e49\n}\n<\/code><\/pre>\n<\/li>\n<li><strong>\u4f7f\u7528 <code>@Service<\/code>\u3001<code>@Repository<\/code>\u3001<code>@Controller<\/code> \u6ce8\u89e3\uff1a<\/strong>\n<ul>\n<li>\u5982\u679c\u7c7b\u5c5e\u4e8e\u7279\u5b9a\u7c7b\u578b\u7684\u7ec4\u4ef6\uff08\u5982\u670d\u52a1\u5c42\u3001\u6301\u4e45\u5c42\u3001\u63a7\u5236\u5668\u5c42\uff09\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>@Service<\/code>\u3001<code>@Repository<\/code>\u3001<code>@Controller<\/code> \u6ce8\u89e3\uff0c\u5b83\u4eec\u90fd\u662f <code>@Component<\/code> \u7684\u884d\u751f\u6ce8\u89e3\u3002<\/li>\n<\/ul>\n<pre><code class=\"language-java  line-numbers\">@Service\npublic class MyService {\n   \/\/ \u7c7b\u5b9a\u4e49\n}\n<\/code><\/pre>\n<\/li>\n<li><strong>\u4f7f\u7528 <code>@Bean<\/code> \u6ce8\u89e3\uff1a<\/strong>\n<ul>\n<li>\u5728\u914d\u7f6e\u7c7b\u4e2d\u4f7f\u7528 <code>@Bean<\/code> \u6ce8\u89e3\uff0c\u624b\u52a8\u914d\u7f6e\u5e76\u8fd4\u56de\u4e00\u4e2aBean\u3002\u901a\u5e38\uff0c\u8fd9\u79cd\u65b9\u5f0f\u7528\u4e8e\u914d\u7f6e\u7b2c\u4e09\u65b9\u5e93\u7684\u7c7b\u6216\u65e0\u6cd5\u4f7f\u7528\u6ce8\u89e3\u6807\u8bb0\u7684\u7c7b\u3002<\/li>\n<\/ul>\n<pre><code class=\"language-java  line-numbers\">@Configuration\npublic class MyConfig {\n\n   @Bean\n   public MyComponent myComponent() {\n       return new MyComponent();\n   }\n}\n<\/code><\/pre>\n<\/li>\n<li><strong>\u901a\u8fc7 XML \u914d\u7f6e\u6587\u4ef6\uff1a<\/strong>\n<ul>\n<li>\u5728 Spring \u7684 XML \u914d\u7f6e\u6587\u4ef6\u4e2d\u4f7f\u7528 <code>&lt;bean&gt;<\/code> \u5143\u7d20\u6765\u914d\u7f6e\u4e00\u4e2aBean\u3002<\/li>\n<\/ul>\n<pre data-language=XML><code class=\"language-markup  line-numbers\">&lt;bean id=\"myComponent\" class=\"com.example.MyComponent\"\/&gt;\n<\/code><\/pre>\n<\/li>\n<\/ol>\n<ul>\n<li>\u8bf7\u6ce8\u610f\uff0c\u73b0\u4ee3\u7684Spring\u5e94\u7528\u66f4\u503e\u5411\u4e8e\u4f7f\u7528\u57fa\u4e8e\u6ce8\u89e3\u7684\u914d\u7f6e\u800c\u4e0d\u662fXML\u914d\u7f6e\u3002<\/li>\n<\/ul>\n<ol start=\"5\">\n<li><strong>\u901a\u8fc7\u6784\u9020\u5668\u6ce8\u5165\u6216\u5c5e\u6027\u6ce8\u5165\uff1a<\/strong>\n<ul>\n<li>\u5728\u5176\u4ed6\u88abSpring\u7ba1\u7406\u7684Bean\u4e2d\uff0c\u901a\u8fc7\u6784\u9020\u5668\u6ce8\u5165\u6216\u5c5e\u6027\u6ce8\u5165\u65b9\u5f0f\u6ce8\u5165\u5bf9\u8c61\u3002<\/li>\n<\/ul>\n<pre><code class=\"language-java  line-numbers\">@Service\npublic class AnotherService {\n\n   private final MyComponent myComponent;\n\n   @Autowired\n   public AnotherService(MyComponent myComponent) {\n       this.myComponent = myComponent;\n   }\n\n   \/\/ \u5176\u4ed6\u65b9\u6cd5...\n}\n<\/code><\/pre>\n<\/li>\n<\/ol>\n<p>\u603b\u7684\u6765\u8bf4\uff0cSpring\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u5f0f\u6765\u5c06\u5bf9\u8c61\u6ce8\u5165\u5230\u5bb9\u5668\u4e2d\uff0c\u5177\u4f53\u9009\u62e9\u53d6\u51b3\u4e8e\u5e94\u7528\u7684\u67b6\u6784\u548c\u5f00\u53d1\u8005\u7684\u504f\u597d\u3002\u5728\u73b0\u4ee3\u7684Spring\u5e94\u7528\u4e2d\uff0c\u901a\u5e38\u4f7f\u7528\u6ce8\u89e3\u65b9\u5f0f\u6765\u58f0\u660e\u548c\u6ce8\u5165Bean\u3002<\/p>\n<h2>\u4e8c\u5341\u516b\u3001springboot \u5f00\u53d1\u8fc7\u7a0b\u4e2d\u600e\u4e48\u505a\u4e8b\u52a1\uff1f\u4ec0\u4e48\u65f6\u5019\u5931\u6548\uff1f<\/h2>\n<p>\u5728Spring Boot\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7<code>@Transactional<\/code>\u6ce8\u89e3\u6765\u7ba1\u7406\u4e8b\u52a1\u3002<code>@Transactional<\/code>\u53ef\u4ee5\u5e94\u7528\u5728\u7c7b\u7ea7\u522b\u6216\u65b9\u6cd5\u7ea7\u522b\uff0c\u7528\u4e8e\u6807\u8bc6\u9700\u8981\u88ab\u4e8b\u52a1\u7ba1\u7406\u7684\u65b9\u6cd5\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528<code>@Transactional<\/code>\u7684\u4e00\u822c\u6b65\u9aa4\uff1a<\/p>\n<ol>\n<li><strong>\u5728Spring Boot\u5e94\u7528\u7684\u4e3b\u7c7b\u4e0a\u6dfb\u52a0<code>@EnableTransactionManagement<\/code>\u6ce8\u89e3\uff1a<\/strong>\n<ul>\n<li>\u8fd9\u4e2a\u6ce8\u89e3\u542f\u7528\u4e86Spring\u7684\u4e8b\u52a1\u7ba1\u7406\u529f\u80fd\u3002<\/li>\n<\/ul>\n<pre><code class=\"language-java  line-numbers\">import org.springframework.boot.SpringApplication;\nimport org.springframework.boot.autoconfigure.SpringBootApplication;\nimport org.springframework.transaction.annotation.EnableTransactionManagement;\n\n@SpringBootApplication\n@EnableTransactionManagement\npublic class MyApplication {\n   public static void main(String[] args) {\n       SpringApplication.run(MyApplication.class, args);\n   }\n}\n<\/code><\/pre>\n<\/li>\n<li><strong>\u5728\u9700\u8981\u4e8b\u52a1\u7ba1\u7406\u7684\u65b9\u6cd5\u4e0a\u6dfb\u52a0<code>@Transactional<\/code>\u6ce8\u89e3\uff1a<\/strong>\n<ul>\n<li><code>@Transactional<\/code>\u53ef\u4ee5\u653e\u5728\u65b9\u6cd5\u7ea7\u522b\u6216\u7c7b\u7ea7\u522b\u3002\u5728\u65b9\u6cd5\u7ea7\u522b\u65f6\uff0c\u53ea\u6709\u8be5\u65b9\u6cd5\u88ab\u8c03\u7528\u65f6\u624d\u4f1a\u5f00\u542f\u4e8b\u52a1\u3002<\/li>\n<\/ul>\n<pre><code class=\"language-java  line-numbers\">import org.springframework.stereotype.Service;\nimport org.springframework.transaction.annotation.Transactional;\n\n@Service\npublic class MyService {\n\n   @Transactional\n   public void myTransactionalMethod() {\n       \/\/ \u4e8b\u52a1\u5185\u7684\u64cd\u4f5c\n   }\n}\n<\/code><\/pre>\n<\/li>\n<\/ol>\n<p>\u4e8b\u52a1\u7ba1\u7406\u5931\u6548\u7684\u4e00\u4e9b\u5e38\u89c1\u60c5\u51b5\uff1a<\/p>\n<ol>\n<li><strong>\u672a\u629b\u51fa\u53d7\u68c0\u5f02\u5e38\uff1a<\/strong>\n<ul>\n<li>\u5982\u679c\u5728\u4e00\u4e2a\u88ab<code>@Transactional<\/code>\u6807\u8bb0\u7684\u65b9\u6cd5\u4e2d\u53d1\u751f\u53d7\u68c0\u5f02\u5e38\uff0c\u4e14\u5f02\u5e38\u672a\u88ab\u629b\u51fa\uff0cSpring\u53ef\u80fd\u65e0\u6cd5\u5bdf\u89c9\u5230\u5f02\u5e38\uff0c\u4ece\u800c\u65e0\u6cd5\u89e6\u53d1\u56de\u6eda\u64cd\u4f5c\u3002\u786e\u4fdd\u5728\u4e8b\u52a1\u65b9\u6cd5\u4e2d\u629b\u51fa\u53d7\u68c0\u5f02\u5e38\u3002<\/li>\n<\/ul>\n<pre><code class=\"language-java  line-numbers\">@Transactional\npublic void myTransactionalMethod() throws MyCheckedException {\n   \/\/ \u4e8b\u52a1\u5185\u7684\u64cd\u4f5c\uff0c\u53d1\u751f\u5f02\u5e38\u65f6\u786e\u4fdd\u629b\u51fa MyCheckedException\n}\n<\/code><\/pre>\n<\/li>\n<li><strong>\u4e8b\u52a1\u65b9\u6cd5\u88ab\u540c\u4e00\u7c7b\u4e2d\u7684\u5176\u4ed6\u975e<code>public<\/code>\u65b9\u6cd5\u8c03\u7528\uff1a<\/strong>\n<ul>\n<li>\u5f53\u5728\u540c\u4e00\u7c7b\u4e2d\u7684\u53e6\u4e00\u4e2a\u975e<code>public<\/code>\u65b9\u6cd5\u4e2d\u8c03\u7528\u4e00\u4e2a\u88ab<code>@Transactional<\/code>\u6807\u8bb0\u7684\u65b9\u6cd5\u65f6\uff0cSpring\u65e0\u6cd5\u4f7f\u7528\u52a8\u6001\u4ee3\u7406\u622a\u83b7\u8c03\u7528\uff0c\u4ece\u800c\u4e8b\u52a1\u7ba1\u7406\u53ef\u80fd\u5931\u6548\u3002\u786e\u4fdd\u4e8b\u52a1\u65b9\u6cd5\u53ea\u88ab\u4ece\u5916\u90e8\u8c03\u7528\u3002<\/li>\n<\/ul>\n<pre><code class=\"language-java  line-numbers\">@Service\npublic class MyService {\n\n   @Transactional\n   public void myTransactionalMethod() {\n       \/\/ \u4e8b\u52a1\u5185\u7684\u64cd\u4f5c\n   }\n\n   public void anotherMethod() {\n       \/\/ \u8c03\u7528 myTransactionalMethod\uff0c\u4e8b\u52a1\u53ef\u80fd\u5931\u6548\n       myTransactionalMethod();\n   }\n}\n<\/code><\/pre>\n<\/li>\n<li><strong>\u4e8b\u52a1\u65b9\u6cd5\u5185\u90e8\u6355\u83b7\u5f02\u5e38\uff1a<\/strong>\n<ul>\n<li>\u5982\u679c\u5728\u4e8b\u52a1\u65b9\u6cd5\u5185\u90e8\u6355\u83b7\u4e86\u5f02\u5e38\u5e76\u4e0d\u91cd\u65b0\u629b\u51fa\uff0cSpring\u53ef\u80fd\u65e0\u6cd5\u5bdf\u89c9\u5230\u5f02\u5e38\uff0c\u4ece\u800c\u65e0\u6cd5\u89e6\u53d1\u56de\u6eda\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<pre><code class=\"language-java  line-numbers\">@Transactional\npublic void myTransactionalMethod() {\n   try {\n       \/\/ \u4e8b\u52a1\u5185\u7684\u64cd\u4f5c\n   } catch (Exception e) {\n       \/\/ \u5f02\u5e38\u88ab\u6355\u83b7\uff0c\u4e8b\u52a1\u53ef\u80fd\u5931\u6548\n   }\n}\n<\/code><\/pre>\n<\/li>\n<\/ol>\n<p>\u786e\u4fdd\u907f\u514d\u8fd9\u4e9b\u60c5\u51b5\uff0c\u4ee5\u786e\u4fdd<code>@Transactional<\/code>\u751f\u6548\u5e76\u6309\u9884\u671f\u5de5\u4f5c\u3002\u5728\u51fa\u73b0\u95ee\u9898\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u65e5\u5fd7\u8bb0\u5f55\u548c\u8c03\u8bd5\u6765\u8ffd\u8e2a\u95ee\u9898\u3002<\/p>\n<h2>\u4e8c\u5341\u4e5d\u3001spring \u4e2d\u62e6\u622a\u5668\u548c\u8fc7\u6ee4\u5668\u6709\u4ec0\u4e48\u533a\u522b\uff1f\u6267\u884c\u987a\u5e8f\u4ec0\u4e48\u6837\u7684\uff1f<\/h2>\n<p>Spring\u4e2d\u7684\u62e6\u622a\u5668\uff08Interceptor\uff09\u548cServlet\u4e2d\u7684\u8fc7\u6ee4\u5668\uff08Filter\uff09\u90fd\u7528\u4e8e\u5904\u7406\u8bf7\u6c42\u548c\u54cd\u5e94\uff0c\u4f46\u5b83\u4eec\u6709\u4e00\u4e9b\u5173\u952e\u7684\u533a\u522b\uff1a<\/p>\n<h3>\u533a\u522b\uff1a<\/h3>\n<ol>\n<li><strong>\u4f4d\u7f6e\u4e0d\u540c\uff1a<\/strong>\n<ul>\n<li>\u62e6\u622a\u5668\u662fSpring\u6846\u67b6\u63d0\u4f9b\u7684\uff0c\u7528\u4e8e\u62e6\u622aSpring MVC\u8bf7\u6c42\u7684\u7ec4\u4ef6\u3002<\/li>\n<li>\u8fc7\u6ee4\u5668\u662fServlet\u89c4\u8303\u4e2d\u5b9a\u4e49\u7684\uff0c\u7528\u4e8e\u5728\u8bf7\u6c42\u8fdb\u5165Servlet\u5bb9\u5668\u4e4b\u524d\u6216\u8005\u79bb\u5f00\u5bb9\u5668\u4e4b\u524d\u5bf9\u8bf7\u6c42\u8fdb\u884c\u5904\u7406\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u4f5c\u7528\u8303\u56f4\u4e0d\u540c\uff1a<\/strong>\n<ul>\n<li>\u62e6\u622a\u5668\u662fSpring MVC\u6846\u67b6\u7684\u4e00\u90e8\u5206\uff0c\u4e3b\u8981\u7528\u4e8e\u62e6\u622a\u5904\u7406Controller\u7684\u8bf7\u6c42\u3002<\/li>\n<li>\u8fc7\u6ee4\u5668\u662fServlet\u89c4\u8303\u7684\u4e00\u90e8\u5206\uff0c\u5bf9\u4e8eServlet\u5bb9\u5668\u5185\u7684\u6240\u6709\u8bf7\u6c42\u90fd\u751f\u6548\uff0c\u5305\u62ecJSP\u3001Servlet\u3001\u9759\u6001\u8d44\u6e90\u7b49\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u4f9d\u8d56\u4e0d\u540c\uff1a<\/strong>\n<ul>\n<li>\u62e6\u622a\u5668\u4f9d\u8d56\u4e8eSpring MVC\u6846\u67b6\uff0c\u901a\u5e38\u901a\u8fc7\u914d\u7f6e\u6587\u4ef6\u6216\u6ce8\u89e3\u6765\u914d\u7f6e\u3002<\/li>\n<li>\u8fc7\u6ee4\u5668\u662fServlet\u5bb9\u5668\u7684\u4e00\u90e8\u5206\uff0c\u4e0d\u4f9d\u8d56\u4e8eSpring\u6846\u67b6\uff0c\u800c\u662f\u5728web.xml\u6587\u4ef6\u4e2d\u914d\u7f6e\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3>\u6267\u884c\u987a\u5e8f\uff1a<\/h3>\n<h4>\u8fc7\u6ee4\u5668\u6267\u884c\u987a\u5e8f\uff1a<\/h4>\n<ol>\n<li><strong>\u5bb9\u5668\u521d\u59cb\u5316\u65f6\uff1a<\/strong>\n<ul>\n<li>\u5982\u679c\u5728 <code>web.xml<\/code> \u6587\u4ef6\u4e2d\u914d\u7f6e\u4e86\u591a\u4e2a\u8fc7\u6ee4\u5668\uff0c\u5b83\u4eec\u7684\u521d\u59cb\u5316\u65b9\u6cd5\uff08<code>init()<\/code>\uff09\u4f1a\u5728\u5bb9\u5668\u542f\u52a8\u65f6\u88ab\u8c03\u7528\uff0c\u6309\u7167\u5728\u914d\u7f6e\u4e2d\u7684\u987a\u5e8f\u6267\u884c\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u8bf7\u6c42\u65f6\uff1a<\/strong>\n<ul>\n<li>\u8bf7\u6c42\u8fdb\u5165Servlet\u5bb9\u5668\u65f6\uff0c\u6309\u7167\u5728 <code>web.xml<\/code> \u4e2d\u914d\u7f6e\u7684\u987a\u5e8f\uff0c\u4f9d\u6b21\u6267\u884c\u8fc7\u6ee4\u5668\u7684 <code>doFilter()<\/code> \u65b9\u6cd5\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u54cd\u5e94\u65f6\uff1a<\/strong>\n<ul>\n<li>\u8bf7\u6c42\u5904\u7406\u5b8c\u6210\u540e\uff0c\u6309\u76f8\u53cd\u7684\u987a\u5e8f\uff0c\u4f9d\u6b21\u6267\u884c\u8fc7\u6ee4\u5668\u7684 <code>doFilter()<\/code> \u65b9\u6cd5\uff0c\u8fdb\u884c\u54cd\u5e94\u5904\u7406\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h4>\u62e6\u622a\u5668\u6267\u884c\u987a\u5e8f\uff1a<\/h4>\n<ol>\n<li><strong>HandlerInterceptorAdapter\u521d\u59cb\u5316\uff1a<\/strong>\n<ul>\n<li>\u5728Spring\u5bb9\u5668\u521d\u59cb\u5316\u65f6\uff0c<code>HandlerInterceptorAdapter<\/code> \u7c7b\u7684\u6784\u9020\u51fd\u6570\u548c <code>init()<\/code> \u65b9\u6cd5\u4f1a\u88ab\u8c03\u7528\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u8bf7\u6c42\u65f6\uff1a<\/strong>\n<ul>\n<li>\u8bf7\u6c42\u5230\u8fbeController\u524d\uff0c\u6309\u7167\u914d\u7f6e\u7684\u987a\u5e8f\u4f9d\u6b21\u6267\u884c\u62e6\u622a\u5668\u7684 <code>preHandle()<\/code> \u65b9\u6cd5\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>Controller\u5904\u7406\uff1a<\/strong>\n<ul>\n<li>Controller\u5904\u7406\u8bf7\u6c42\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u54cd\u5e94\u65f6\uff1a<\/strong>\n<ul>\n<li>\u5728Controller\u5904\u7406\u5b8c\u6210\u540e\uff0c\u6309\u7167\u76f8\u53cd\u7684\u987a\u5e8f\u4f9d\u6b21\u6267\u884c\u62e6\u622a\u5668\u7684 <code>postHandle()<\/code> \u65b9\u6cd5\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u89c6\u56fe\u6e32\u67d3\u5b8c\u6bd5\u540e\uff1a<\/strong>\n<ul>\n<li>\u5728\u89c6\u56fe\u6e32\u67d3\u5b8c\u6210\u540e\uff0c\u6309\u7167\u76f8\u53cd\u7684\u987a\u5e8f\u4f9d\u6b21\u6267\u884c\u62e6\u622a\u5668\u7684 <code>afterCompletion()<\/code> \u65b9\u6cd5\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u62e6\u622a\u5668\u7684\u6267\u884c\u987a\u5e8f\u548c\u914d\u7f6e\u6709\u5173\uff0c\u53ef\u4ee5\u901a\u8fc7\u914d\u7f6e\u6587\u4ef6\u6216\u6ce8\u89e3\u6307\u5b9a\u62e6\u622a\u5668\u7684\u6267\u884c\u987a\u5e8f\u3002\u800c\u8fc7\u6ee4\u5668\u7684\u6267\u884c\u987a\u5e8f\u901a\u5e38\u7531 <code>web.xml<\/code> \u4e2d\u7684\u914d\u7f6e\u51b3\u5b9a\u3002<\/p>\n<h2>\u4e09\u5341\u3001\u4f60\u9879\u76ee\u4e2d\u600e\u4e48\u5177\u4f53\u4f7f\u7528\u62e6\u622a\u5668\u548c\u8fc7\u6ee4\u5668\uff1f<\/h2>\n<p>\u5728\u9879\u76ee\u4e2d\uff0c\u4f7f\u7528\u62e6\u622a\u5668\u548c\u8fc7\u6ee4\u5668\u7684\u5177\u4f53\u6b65\u9aa4\u4f1a\u6839\u636e\u9879\u76ee\u7684\u5177\u4f53\u9700\u6c42\u548c\u6846\u67b6\u9009\u62e9\u800c\u6709\u6240\u4e0d\u540c\u3002\u4ee5\u4e0b\u662f\u4e00\u822c\u7684\u6b65\u9aa4\u548c\u793a\u4f8b\uff0c\u5177\u4f53\u60c5\u51b5\u53ef\u80fd\u9700\u8981\u6839\u636e\u9879\u76ee\u548c\u6846\u67b6\u7684\u4e0d\u540c\u8fdb\u884c\u8c03\u6574\uff1a<\/p>\n<h3>\u4f7f\u7528\u62e6\u622a\u5668\uff08\u4ee5Spring MVC\u4e3a\u4f8b\uff09\uff1a<\/h3>\n<ol>\n<li><strong>\u521b\u5efa\u62e6\u622a\u5668\u7c7b\uff1a<\/strong>\n<ul>\n<li>\u7f16\u5199\u4e00\u4e2a\u7c7b\uff0c\u5b9e\u73b0<code>HandlerInterceptor<\/code>\u63a5\u53e3\uff0c\u5e76\u91cd\u5199\u76f8\u5e94\u7684\u65b9\u6cd5\uff08<code>preHandle<\/code>\u3001<code>postHandle<\/code>\u3001<code>afterCompletion<\/code>\uff09\u3002<\/li>\n<\/ul>\n<pre><code class=\"language-java  line-numbers\">import org.springframework.web.servlet.HandlerInterceptor;\nimport org.springframework.web.servlet.ModelAndView;\n\npublic class MyInterceptor implements HandlerInterceptor {\n\n   @Override\n   public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {\n       \/\/ \u5728\u8bf7\u6c42\u5904\u7406\u4e4b\u524d\u6267\u884c\n       return true; \/\/ \u8fd4\u56detrue\u8868\u793a\u7ee7\u7eed\u6267\u884c\uff0c\u8fd4\u56defalse\u8868\u793a\u4e2d\u65ad\u6267\u884c\n   }\n\n   @Override\n   public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {\n       \/\/ \u5728\u8bf7\u6c42\u5904\u7406\u4e4b\u540e\uff0c\u89c6\u56fe\u6e32\u67d3\u4e4b\u524d\u6267\u884c\n   }\n\n   @Override\n   public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {\n       \/\/ \u5728\u6574\u4e2a\u8bf7\u6c42\u5b8c\u6210\u4e4b\u540e\u6267\u884c\uff0c\u5305\u62ec\u89c6\u56fe\u6e32\u67d3\u5b8c\u6210\n   }\n}\n<\/code><\/pre>\n<\/li>\n<li><strong>\u914d\u7f6e\u62e6\u622a\u5668\uff1a<\/strong>\n<ul>\n<li>\u5728Spring\u7684\u914d\u7f6e\u6587\u4ef6\uff08\u5982<code>WebMvcConfigurer<\/code>\uff09\u4e2d\u6ce8\u518c\u62e6\u622a\u5668\u3002<\/li>\n<\/ul>\n<pre><code class=\"language-java  line-numbers\">import org.springframework.context.annotation.Configuration;\nimport org.springframework.web.servlet.config.annotation.InterceptorRegistry;\nimport org.springframework.web.servlet.config.annotation.WebMvcConfigurer;\n\n@Configuration\npublic class WebConfig implements WebMvcConfigurer {\n\n   @Override\n   public void addInterceptors(InterceptorRegistry registry) {\n       registry.addInterceptor(new MyInterceptor()).addPathPatterns(\"\/secure\/**\");\n   }\n}\n<\/code><\/pre>\n<\/li>\n<\/ol>\n<h3>\u4f7f\u7528\u8fc7\u6ee4\u5668\uff1a<\/h3>\n<ol>\n<li><strong>\u521b\u5efa\u8fc7\u6ee4\u5668\u7c7b\uff1a<\/strong>\n<ul>\n<li>\u7f16\u5199\u4e00\u4e2a\u7c7b\uff0c\u5b9e\u73b0<code>Filter<\/code>\u63a5\u53e3\uff0c\u5e76\u91cd\u5199<code>doFilter<\/code>\u65b9\u6cd5\u3002<\/li>\n<\/ul>\n<pre><code class=\"language-java  line-numbers\">import javax.servlet.Filter;\nimport javax.servlet.FilterChain;\nimport javax.servlet.FilterConfig;\nimport javax.servlet.ServletException;\nimport javax.servlet.ServletRequest;\nimport javax.servlet.ServletResponse;\nimport java.io.IOException;\n\npublic class MyFilter implements Filter {\n\n   @Override\n   public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {\n       \/\/ \u5728\u8bf7\u6c42\u5904\u7406\u4e4b\u524d\u6267\u884c\n       chain.doFilter(request, response); \/\/ \u7ee7\u7eed\u6267\u884c\u8fc7\u6ee4\u5668\u94fe\n       \/\/ \u5728\u8bf7\u6c42\u5904\u7406\u4e4b\u540e\u6267\u884c\n   }\n\n   @Override\n   public void init(FilterConfig filterConfig) throws ServletException {\n       \/\/ \u8fc7\u6ee4\u5668\u521d\u59cb\u5316\n   }\n\n   @Override\n   public void destroy() {\n       \/\/ \u8fc7\u6ee4\u5668\u9500\u6bc1\n   }\n}\n<\/code><\/pre>\n<\/li>\n<li><strong>\u914d\u7f6e\u8fc7\u6ee4\u5668\uff1a<\/strong>\n<ul>\n<li>\u5728<code>web.xml<\/code>\u6587\u4ef6\u4e2d\u914d\u7f6e\u8fc7\u6ee4\u5668\u3002<\/li>\n<\/ul>\n<pre data-language=XML><code class=\"language-markup  line-numbers\">&lt;filter&gt;\n   &lt;filter-name&gt;myFilter&lt;\/filter-name&gt;\n   &lt;filter-class&gt;com.example.MyFilter&lt;\/filter-class&gt;\n&lt;\/filter&gt;\n&lt;filter-mapping&gt;\n   &lt;filter-name&gt;myFilter&lt;\/filter-name&gt;\n   &lt;url-pattern&gt;\/secure\/*&lt;\/url-pattern&gt;\n&lt;\/filter-mapping&gt;\n<\/code><\/pre>\n<\/li>\n<\/ol>\n<p>\u4ee5\u4e0a\u662f\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u5b9e\u9645\u9879\u76ee\u4e2d\u53ef\u80fd\u8fd8\u6d89\u53ca\u5230\u66f4\u591a\u7684\u914d\u7f6e\u548c\u7ec6\u8282\u3002\u5728Spring Boot\u9879\u76ee\u4e2d\uff0c\u901a\u5e38\u4f1a\u4f7f\u7528\u6ce8\u89e3\u914d\u7f6e\u7684\u65b9\u5f0f\u6765\u6ce8\u518c\u62e6\u622a\u5668\u548c\u8fc7\u6ee4\u5668\uff0c\u800c\u4e0d\u662f\u50cf\u4e0a\u8ff0\u793a\u4f8b\u4e2d\u4e00\u6837\u4f7f\u7528XML\u914d\u7f6e\u3002<\/p>\n<h2>\u4e09\u5341\u4e00\u3001\u4f60\u7684\u9879\u76ee\u767b\u5f55\u9a8c\u8bc1\u548c\u6388\u6743\u600e\u4e48\u505a\u7684\uff1f<\/h2>\n<p>\u4f5c\u4e3a\u4e00\u4e2a\u6587\u672c\u751f\u6210\u6a21\u578b\uff0c\u6211\u5e76\u6ca1\u6709\u5b9e\u9645\u7684\u9879\u76ee\u7ecf\u9a8c\uff0c\u4f46\u6211\u53ef\u4ee5\u63d0\u4f9b\u4e00\u4e2a\u901a\u7528\u7684\u65b9\u6cd5\uff0c\u7528\u4e8e\u5728Java Spring Boot\u9879\u76ee\u4e2d\u8fdb\u884c\u767b\u5f55\u9a8c\u8bc1\u548c\u6388\u6743\u3002<\/p>\n<h3>\u767b\u5f55\u9a8c\u8bc1\uff1a<\/h3>\n<ol>\n<li><strong>\u4f7f\u7528Spring Security\uff1a<\/strong>\n<ul>\n<li>Spring Security\u662fSpring\u6846\u67b6\u63d0\u4f9b\u7684\u5b89\u5168\u6846\u67b6\uff0c\u7528\u4e8e\u5904\u7406\u8ba4\u8bc1\u548c\u6388\u6743\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u914d\u7f6eSpring Security\uff1a<\/strong>\n<ul>\n<li>\u5728Spring Boot\u9879\u76ee\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f9d\u8d56\u548c\u914d\u7f6e\u6765\u96c6\u6210Spring Security\u3002\u4f8b\u5982\uff0c\u6dfb\u52a0\u4ee5\u4e0b\u4f9d\u8d56\uff1a<\/li>\n<\/ul>\n<pre data-language=XML><code class=\"language-markup  line-numbers\">&lt;dependency&gt;\n   &lt;groupId&gt;org.springframework.boot&lt;\/groupId&gt;\n   &lt;artifactId&gt;spring-boot-starter-security&lt;\/artifactId&gt;\n&lt;\/dependency&gt;\n<\/code><\/pre>\n<\/li>\n<li><strong>\u914d\u7f6e\u8ba4\u8bc1\u4fe1\u606f\uff1a<\/strong>\n<ul>\n<li>\u914d\u7f6e\u4e00\u4e2a\u5b9e\u73b0\u4e86<code>UserDetailsService<\/code>\u63a5\u53e3\u7684\u7c7b\uff0c\u7528\u4e8e\u52a0\u8f7d\u7528\u6237\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<pre><code class=\"language-java  line-numbers\">import org.springframework.context.annotation.Bean;\nimport org.springframework.context.annotation.Configuration;\nimport org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;\nimport org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;\nimport org.springframework.security.core.userdetails.User;\nimport org.springframework.security.core.userdetails.UserDetailsService;\nimport org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;\nimport org.springframework.security.crypto.password.PasswordEncoder;\n\n@Configuration\n@EnableWebSecurity\npublic class SecurityConfig {\n\n   @Bean\n   public UserDetailsService userDetailsService() {\n       return username -&gt; User.withUsername(username)\n               .password(passwordEncoder().encode(\"password\"))\n               .roles(\"USER\")\n               .build();\n   }\n\n   @Bean\n   public PasswordEncoder passwordEncoder() {\n       return new BCryptPasswordEncoder();\n   }\n\n   protected void configure(AuthenticationManagerBuilder auth) throws Exception {\n       auth.userDetailsService(userDetailsService()).passwordEncoder(passwordEncoder());\n   }\n}\n<\/code><\/pre>\n<\/li>\n<li><strong>\u914d\u7f6e\u767b\u5f55\u9875\u9762\uff1a<\/strong>\n<ul>\n<li>Spring Security\u4f1a\u63d0\u4f9b\u9ed8\u8ba4\u7684\u767b\u5f55\u9875\u9762\uff0c\u4e5f\u53ef\u4ee5\u901a\u8fc7\u914d\u7f6e\u6765\u81ea\u5b9a\u4e49\u767b\u5f55\u9875\u9762\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3>\u6388\u6743\uff1a<\/h3>\n<ol>\n<li><strong>\u4f7f\u7528\u6ce8\u89e3\uff1a<\/strong>\n<ul>\n<li>\u5728Spring Boot\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528<code>@PreAuthorize<\/code>\u548c<code>@Secured<\/code>\u7b49\u6ce8\u89e3\u6765\u8fdb\u884c\u6388\u6743\u3002<\/li>\n<\/ul>\n<pre><code class=\"language-java  line-numbers\">import org.springframework.security.access.prepost.PreAuthorize;\nimport org.springframework.web.bind.annotation.GetMapping;\nimport org.springframework.web.bind.annotation.RestController;\n\n@RestController\npublic class MyController {\n\n   @GetMapping(\"\/admin\")\n   @PreAuthorize(\"hasRole('ADMIN')\")\n   public String adminPage() {\n       return \"Admin Page\";\n   }\n\n   @GetMapping(\"\/user\")\n   @PreAuthorize(\"hasAnyRole('USER', 'ADMIN')\")\n   public String userPage() {\n       return \"User Page\";\n   }\n}\n<\/code><\/pre>\n<\/li>\n<li><strong>\u914d\u7f6e\u6743\u9650\uff1a<\/strong>\n<ul>\n<li>\u53ef\u4ee5\u901a\u8fc7\u914d\u7f6e\u7c7b\u6216\u6ce8\u89e3\u914d\u7f6e\uff0c\u5b9a\u4e49\u54ea\u4e9b\u89d2\u8272\u6216\u6743\u9650\u53ef\u4ee5\u8bbf\u95ee\u54ea\u4e9b\u8d44\u6e90\u3002<\/li>\n<\/ul>\n<pre><code class=\"language-java  line-numbers\">import org.springframework.context.annotation.Configuration;\nimport org.springframework.security.config.annotation.web.builders.HttpSecurity;\nimport org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;\nimport org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;\n\n@Configuration\n@EnableWebSecurity\npublic class SecurityConfig extends WebSecurityConfigurerAdapter {\n\n   @Override\n   protected void configure(HttpSecurity http) throws Exception {\n       http\n           .authorizeRequests()\n               .antMatchers(\"\/admin\/**\").hasRole(\"ADMIN\")\n               .antMatchers(\"\/user\/**\").hasAnyRole(\"USER\", \"ADMIN\")\n               .anyRequest().authenticated()\n               .and()\n           .formLogin().permitAll()\n               .and()\n           .logout().permitAll();\n   }\n}\n<\/code><\/pre>\n<\/li>\n<\/ol>\n<p>\u4ee5\u4e0a\u662f\u4e00\u4e2a\u7b80\u5355\u7684Spring Boot\u9879\u76ee\u4e2d\u4f7f\u7528Spring Security\u8fdb\u884c\u767b\u5f55\u9a8c\u8bc1\u548c\u6388\u6743\u7684\u57fa\u672c\u914d\u7f6e\u3002\u5b9e\u9645\u7684\u9879\u76ee\u4e2d\u53ef\u80fd\u8fd8\u9700\u8981\u6839\u636e\u4e1a\u52a1\u9700\u6c42\u8fdb\u884c\u66f4\u8be6\u7ec6\u7684\u914d\u7f6e\u3002<\/p>\n<h2>\u4e09\u5341\u4e8c\u3001\u4e0d\u540c\u7528\u6237\u4e0d\u540c\u6743\u9650\u600e\u4e48\u5b9e\u73b0\uff1f<\/h2>\n<p>\u5728Spring Security\u4e2d\u5b9e\u73b0\u4e0d\u540c\u7528\u6237\u62e5\u6709\u4e0d\u540c\u6743\u9650\u7684\u673a\u5236\u4e3b\u8981\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n<ol>\n<li><strong>\u5b9a\u4e49\u7528\u6237\u89d2\u8272\u548c\u6743\u9650\uff1a<\/strong>\n<ul>\n<li>\u5728\u6570\u636e\u5e93\u6216\u5185\u5b58\u4e2d\u5b9a\u4e49\u7528\u6237\u89d2\u8272\u548c\u76f8\u5e94\u7684\u6743\u9650\u3002\u89d2\u8272\u53ef\u4ee5\u5305\u542b\u4e00\u4e2a\u6216\u591a\u4e2a\u6743\u9650\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u914d\u7f6e\u7528\u6237\u8ba4\u8bc1\u548c\u6388\u6743\uff1a<\/strong>\n<ul>\n<li>\u5728Spring Security\u914d\u7f6e\u4e2d\uff0c\u6307\u5b9a\u7528\u6237\u7684\u89d2\u8272\u548c\u6743\u9650\u3002\u53ef\u4ee5\u4f7f\u7528\u5185\u5b58\u4e2d\u7684\u7528\u6237\u3001\u6570\u636e\u5e93\u4e2d\u7684\u7528\u6237\u6216\u81ea\u5b9a\u4e49\u7684<code>UserDetailsService<\/code>\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u914d\u7f6e\u8d44\u6e90\u7684\u8bbf\u95ee\u63a7\u5236\uff1a<\/strong>\n<ul>\n<li>\u6307\u5b9a\u54ea\u4e9b\u8d44\u6e90\u9700\u8981\u54ea\u4e9b\u89d2\u8272\u6216\u6743\u9650\u6765\u8bbf\u95ee\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7<code>HttpSecurity<\/code>\u914d\u7f6e\u6765\u5b9e\u73b0\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u6f14\u793a\u5982\u4f55\u5728Spring Security\u4e2d\u914d\u7f6e\u4e0d\u540c\u7528\u6237\u5177\u6709\u4e0d\u540c\u6743\u9650\u7684\u60c5\u51b5\uff1a<\/p>\n<pre><code class=\"language-java  line-numbers\">import org.springframework.context.annotation.Bean;\nimport org.springframework.context.annotation.Configuration;\nimport org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;\nimport org.springframework.security.config.annotation.web.builders.HttpSecurity;\nimport org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;\nimport org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;\nimport org.springframework.security.core.userdetails.User;\nimport org.springframework.security.core.userdetails.UserDetailsService;\nimport org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;\nimport org.springframework.security.crypto.password.PasswordEncoder;\n\n@Configuration\n@EnableWebSecurity\npublic class SecurityConfig extends WebSecurityConfigurerAdapter {\n\n    @Bean\n    public PasswordEncoder passwordEncoder() {\n        return new BCryptPasswordEncoder();\n    }\n\n    @Bean\n    @Override\n    public UserDetailsService userDetailsService() {\n        UserDetailsManager userDetailsManager = new InMemoryUserDetailsManager();\n\n        \/\/ \u521b\u5efa\u7528\u62371\uff08ADMIN\u89d2\u8272\uff09\n        userDetailsManager.createUser(User.builder()\n                .username(\"admin\")\n                .password(passwordEncoder().encode(\"admin\"))\n                .roles(\"ADMIN\")\n                .build());\n\n        \/\/ \u521b\u5efa\u7528\u62372\uff08USER\u89d2\u8272\uff09\n        userDetailsManager.createUser(User.builder()\n                .username(\"user\")\n                .password(passwordEncoder().encode(\"user\"))\n                .roles(\"USER\")\n                .build());\n\n        return userDetailsManager;\n    }\n\n    @Override\n    protected void configure(HttpSecurity http) throws Exception {\n        http\n            .authorizeRequests()\n                .antMatchers(\"\/admin\/**\").hasRole(\"ADMIN\")\n                .antMatchers(\"\/user\/**\").hasRole(\"USER\")\n                .anyRequest().authenticated()\n                .and()\n            .formLogin().permitAll()\n                .and()\n            .logout().permitAll();\n    }\n\n    @Override\n    protected void configure(AuthenticationManagerBuilder auth) throws Exception {\n        auth.userDetailsService(userDetailsService()).passwordEncoder(passwordEncoder());\n    }\n}\n<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c\u4f7f\u7528\u4e86<code>InMemoryUserDetailsManager<\/code>\u521b\u5efa\u4e86\u4e24\u4e2a\u7528\u6237\uff0c\u5206\u522b\u5177\u6709ADMIN\u548cUSER\u89d2\u8272\u3002\u7136\u540e\uff0c\u901a\u8fc7<code>configure(HttpSecurity http)<\/code>\u65b9\u6cd5\u6307\u5b9a\u4e86\u4e0d\u540c\u8def\u5f84\u9700\u8981\u4e0d\u540c\u7684\u89d2\u8272\u3002<\/p>\n<p>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u7528\u6237\u4fe1\u606f\u901a\u5e38\u5b58\u50a8\u5728\u6570\u636e\u5e93\u4e2d\uff0c\u800c\u4e0d\u662f\u5728\u5185\u5b58\u4e2d\u3002\u4f60\u53ef\u80fd\u9700\u8981\u5b9e\u73b0\u81ea\u5b9a\u4e49\u7684<code>UserDetailsService<\/code>\uff0c\u4ece\u6570\u636e\u5e93\u4e2d\u52a0\u8f7d\u7528\u6237\u4fe1\u606f\u3002\u8fd9\u6837\uff0c\u4f60\u53ef\u4ee5\u6839\u636e\u6570\u636e\u5e93\u4e2d\u5b58\u50a8\u7684\u89d2\u8272\u548c\u6743\u9650\u6765\u52a8\u6001\u914d\u7f6e\u7528\u6237\u7684\u6743\u9650\u3002<\/p>\n<h2>\u4e09\u5341\u4e09\u3001\u524d\u540e\u7aef\u8de8\u57df\u95ee\u9898\u600e\u4e48\u89e3\u51b3\uff1f<\/h2>\n<p>\u524d\u540e\u7aef\u8de8\u57df\u95ee\u9898\u662f\u7531\u4e8e\u6d4f\u89c8\u5668\u7684\u540c\u6e90\u7b56\u7565\uff08Same-Origin Policy\uff09\u5bfc\u81f4\u7684\u3002\u540c\u6e90\u7b56\u7565\u662f\u4e00\u79cd\u5b89\u5168\u673a\u5236\uff0c\u963b\u6b62Web\u9875\u9762\u4ece\u4e00\u4e2a\u6e90\u52a0\u8f7d\u7684\u6587\u6863\u6216\u811a\u672c\u83b7\u53d6\u5bf9\u53e6\u4e00\u4e2a\u6e90\u7684\u975e\u540c\u6e90\u8d44\u6e90\u7684\u8bbf\u95ee\u3002<\/p>\n<p>\u8de8\u57df\u95ee\u9898\u901a\u5e38\u5728\u524d\u7aef\u548c\u540e\u7aef\u4e0d\u540c\u7684\u57df\u540d\u3001\u534f\u8bae\u6216\u7aef\u53e3\u4e4b\u95f4\u53d1\u751f\u3002\u89e3\u51b3\u8de8\u57df\u95ee\u9898\u7684\u5e38\u89c1\u65b9\u6cd5\u5305\u62ec\uff1a<\/p>\n<ol>\n<li><strong>CORS\uff08\u8de8\u57df\u8d44\u6e90\u5171\u4eab\uff09\uff1a<\/strong>\n<ul>\n<li>CORS\u662f\u4e00\u79cd\u673a\u5236\uff0c\u5141\u8bb8\u670d\u52a1\u5668\u5728\u54cd\u5e94\u4e2d\u5305\u542b\u4e00\u4e2a\u5934\u90e8\u4fe1\u606f\uff0c\u6307\u793a\u54ea\u4e9b\u6e90\u53ef\u4ee5\u8bbf\u95ee\u8be5\u670d\u52a1\u5668\u4e0a\u7684\u8d44\u6e90\u3002\u5728Spring Boot\u4e2d\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528<code>@CrossOrigin<\/code>\u6ce8\u89e3\u6765\u542f\u7528CORS\u3002<\/li>\n<\/ul>\n<pre><code class=\"language-java  line-numbers\">@RestController\npublic class MyController {\n\n   @CrossOrigin(origins = \"http:\/\/allowed-origin.com\")\n   @GetMapping(\"\/api\/data\")\n   public ResponseEntity&lt;String&gt; getData() {\n       \/\/ \u5904\u7406\u8bf7\u6c42\n   }\n}\n<\/code><\/pre>\n<\/li>\n<li><strong>JSONP\uff08JSON with Padding\uff09\uff1a<\/strong>\n<ul>\n<li>JSONP\u662f\u4e00\u79cd\u901a\u8fc7\u52a8\u6001\u521b\u5efa<code>script<\/code>\u6807\u7b7e\u6765\u52a0\u8f7d\u8de8\u57df\u811a\u672c\u7684\u65b9\u6cd5\u3002\u4e0d\u8fc7\uff0cJSONP\u4ec5\u9002\u7528\u4e8eGET\u8bf7\u6c42\uff0c\u5e76\u4e14\u9700\u8981\u670d\u52a1\u5668\u7aef\u652f\u6301\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u4ee3\u7406\u670d\u52a1\u5668\uff1a<\/strong>\n<ul>\n<li>\u524d\u7aef\u901a\u8fc7\u5411\u540c\u57df\u7684\u4ee3\u7406\u670d\u52a1\u5668\u53d1\u9001\u8bf7\u6c42\uff0c\u7531\u4ee3\u7406\u670d\u52a1\u5668\u5c06\u8bf7\u6c42\u8f6c\u53d1\u5230\u76ee\u6807\u670d\u52a1\u5668\u3002\u540e\u7aef\u65e0\u9700\u5904\u7406\u8de8\u57df\u95ee\u9898\uff0c\u56e0\u4e3a\u524d\u7aef\u5b9e\u9645\u4e0a\u662f\u5411\u540c\u4e00\u57df\u53d1\u8d77\u8bf7\u6c42\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u4f7f\u7528WebSocket\uff1a<\/strong>\n<ul>\n<li>WebSocket\u63d0\u4f9b\u4e86\u4e00\u79cd\u53cc\u5411\u901a\u4fe1\u7684\u65b9\u5f0f\uff0c\u53ef\u4ee5\u901a\u8fc7WebSocket\u534f\u8bae\u6765\u907f\u514d\u8de8\u57df\u95ee\u9898\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>Nginx\u914d\u7f6e\uff1a<\/strong>\n<ul>\n<li>\u5728Nginx\u7b49\u53cd\u5411\u4ee3\u7406\u670d\u52a1\u5668\u4e0a\u8fdb\u884c\u914d\u7f6e\uff0c\u5141\u8bb8\u8de8\u57df\u8bf7\u6c42\u3002<\/li>\n<\/ul>\n<pre><code class=\"language-nginx  line-numbers\">location \/api\/ {\n   add_header 'Access-Control-Allow-Origin' '*';\n   # \u5176\u4ed6\u914d\u7f6e...\n}\n<\/code><\/pre>\n<\/li>\n<li><strong>Spring Security\u914d\u7f6e\uff1a<\/strong>\n<ul>\n<li>\u4f7f\u7528Spring Security\u914d\u7f6e\u5141\u8bb8\u8de8\u57df\u8bf7\u6c42\u3002<\/li>\n<\/ul>\n<pre><code class=\"language-java  line-numbers\">@Configuration\npublic class SecurityConfig extends WebSecurityConfigurerAdapter {\n\n   @Override\n   protected void configure(HttpSecurity http) throws Exception {\n       http.cors();\n       \/\/ \u5176\u4ed6\u914d\u7f6e...\n   }\n}\n<\/code><\/pre>\n<\/li>\n<\/ol>\n<p>\u9009\u62e9\u9002\u5408\u4f60\u9879\u76ee\u7684\u65b9\u6cd5\u53d6\u51b3\u4e8e\u9879\u76ee\u7684\u9700\u6c42\u548c\u67b6\u6784\u3002CORS\u662f\u73b0\u4ee3Web\u5e94\u7528\u4e2d\u6700\u5e38\u89c1\u548c\u63a8\u8350\u7684\u89e3\u51b3\u65b9\u6848\u4e4b\u4e00\u3002\u786e\u4fdd\u5728\u5b9e\u73b0\u8de8\u57df\u89e3\u51b3\u65b9\u6848\u65f6\u8003\u8651\u5230\u5b89\u5168\u6027\u548c\u9879\u76ee\u7684\u5177\u4f53\u9700\u6c42\u3002<\/p>\n<h2>\u4e09\u5341\u56db\u3001\u8bf4\u4e00\u4e0b\u4f60\u77e5\u9053\u7684\u5fae\u670d\u52a1\u7ec4\u4ef6\uff1f<\/h2>\n<p>\u5fae\u670d\u52a1\u662f\u4e00\u79cd\u67b6\u6784\u98ce\u683c\uff0c\u5c06\u4e00\u4e2a\u5e94\u7528\u62c6\u5206\u4e3a\u4e00\u7ec4\u5c0f\u578b\u3001\u72ec\u7acb\u3001\u81ea\u6cbb\u7684\u670d\u52a1\u3002\u5fae\u670d\u52a1\u7ec4\u4ef6\u662f\u6784\u6210\u8fd9\u79cd\u4f53\u7cfb\u7ed3\u6784\u7684\u5404\u79cd\u5de5\u5177\u3001\u6846\u67b6\u548c\u6280\u672f\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u5fae\u670d\u52a1\u7ec4\u4ef6\uff1a<\/p>\n<ol>\n<li><strong>\u670d\u52a1\u6ce8\u518c\u4e0e\u53d1\u73b0\uff1a<\/strong>\n<ul>\n<li><strong>Eureka\uff1a<\/strong> Netflix\u5f00\u6e90\u7684\u670d\u52a1\u6ce8\u518c\u4e0e\u53d1\u73b0\u7ec4\u4ef6\uff0c\u7528\u4e8e\u6784\u5efa\u9ad8\u53ef\u7528\u3001\u53ef\u6269\u5c55\u7684\u5fae\u670d\u52a1\u67b6\u6784\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>API\u7f51\u5173\uff1a<\/strong>\n<ul>\n<li><strong>Zuul\uff1a<\/strong> \u7531Netflix\u5f00\u53d1\u7684API\u7f51\u5173\uff0c\u7528\u4e8e\u8def\u7531\u3001\u8fc7\u6ee4\u548c\u76d1\u63a7\u5fae\u670d\u52a1\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u8d1f\u8f7d\u5747\u8861\uff1a<\/strong>\n<ul>\n<li><strong>Ribbon\uff1a<\/strong> Netflix\u5f00\u6e90\u7684\u8d1f\u8f7d\u5747\u8861\u5668\uff0c\u7528\u4e8e\u5728\u5fae\u670d\u52a1\u4e4b\u95f4\u5206\u53d1\u8d1f\u8f7d\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u914d\u7f6e\u7ba1\u7406\uff1a<\/strong>\n<ul>\n<li><strong>Spring Cloud Config\uff1a<\/strong> \u96c6\u4e2d\u5f0f\u7684\u914d\u7f6e\u7ba1\u7406\u670d\u52a1\uff0c\u53ef\u4ee5\u7ba1\u7406\u548c\u5b58\u50a8\u5fae\u670d\u52a1\u7684\u914d\u7f6e\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u65ad\u8def\u5668\uff1a<\/strong>\n<ul>\n<li><strong>Hystrix\uff1a<\/strong> \u7531Netflix\u5f00\u53d1\u7684\u65ad\u8def\u5668\u6a21\u5f0f\u7684\u5b9e\u73b0\uff0c\u7528\u4e8e\u5904\u7406\u5fae\u670d\u52a1\u4e4b\u95f4\u7684\u6545\u969c\u548c\u5ef6\u8fdf\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u6d88\u606f\u4ee3\u7406\uff1a<\/strong>\n<ul>\n<li><strong>Apache Kafka\uff1a<\/strong> \u9ad8\u541e\u5410\u91cf\u7684\u5206\u5e03\u5f0f\u6d88\u606f\u961f\u5217\uff0c\u7528\u4e8e\u5728\u5fae\u670d\u52a1\u4e4b\u95f4\u8fdb\u884c\u5f02\u6b65\u901a\u4fe1\u3002<\/li>\n<li><strong>RabbitMQ\uff1a<\/strong> \u5f00\u6e90\u7684\u6d88\u606f\u4ee3\u7406\uff0c\u652f\u6301\u591a\u79cd\u6d88\u606f\u4f20\u9012\u6a21\u5f0f\uff0c\u7528\u4e8e\u5fae\u670d\u52a1\u4e4b\u95f4\u7684\u6d88\u606f\u901a\u4fe1\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u65e5\u5fd7\u7ba1\u7406\uff1a<\/strong>\n<ul>\n<li><strong>ELK Stack\uff08Elasticsearch, Logstash, Kibana\uff09\uff1a<\/strong> \u7528\u4e8e\u65e5\u5fd7\u6536\u96c6\u3001\u5206\u6790\u548c\u53ef\u89c6\u5316\u7684\u7ec4\u5408\uff0c\u5e2e\u52a9\u8bca\u65ad\u548c\u76d1\u63a7\u5fae\u670d\u52a1\u5e94\u7528\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5206\u5e03\u5f0f\u8ffd\u8e2a\uff1a<\/strong>\n<ul>\n<li><strong>Zipkin\uff1a<\/strong> \u5f00\u6e90\u7684\u5206\u5e03\u5f0f\u8ffd\u8e2a\u7cfb\u7edf\uff0c\u7528\u4e8e\u8ddf\u8e2a\u5fae\u670d\u52a1\u4e4b\u95f4\u7684\u8bf7\u6c42\u94fe\u8def\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5bb9\u5668\u7f16\u6392\uff1a<\/strong>\n<ul>\n<li><strong>Kubernetes\uff1a<\/strong> \u5f00\u6e90\u7684\u5bb9\u5668\u7f16\u6392\u548c\u7ba1\u7406\u5de5\u5177\uff0c\u7528\u4e8e\u81ea\u52a8\u5316\u90e8\u7f72\u3001\u6269\u5c55\u548c\u64cd\u4f5c\u5e94\u7528\u5bb9\u5668\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u670d\u52a1\u7f51\u683c\uff1a<\/strong>\n<ul>\n<li><strong>Istio\uff1a<\/strong> \u5f00\u6e90\u7684\u670d\u52a1\u7f51\u683c\u6846\u67b6\uff0c\u7528\u4e8e\u8fde\u63a5\u3001\u76d1\u63a7\u548c\u4fdd\u62a4\u5fae\u670d\u52a1\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u6570\u636e\u5e93\u4ee3\u7406\uff1a<\/strong>\n<ul>\n<li><strong>ProxySQL\uff1a<\/strong> \u9ad8\u6027\u80fd\u7684\u6570\u636e\u5e93\u4ee3\u7406\uff0c\u7528\u4e8e\u8d1f\u8f7d\u5747\u8861\u3001\u6545\u969c\u8f6c\u79fb\u548c\u67e5\u8be2\u8def\u7531\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5bb9\u5668\u5316\u5de5\u5177\uff1a<\/strong>\n<ul>\n<li><strong>Docker\uff1a<\/strong> \u5f00\u6e90\u7684\u5bb9\u5668\u5316\u5e73\u53f0\uff0c\u7528\u4e8e\u6253\u5305\u3001\u5206\u53d1\u548c\u8fd0\u884c\u5e94\u7528\u7a0b\u5e8f\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u81ea\u52a8\u5316\u6784\u5efa\u548c\u90e8\u7f72\uff1a<\/strong>\n<ul>\n<li><strong>Jenkins\uff1a<\/strong> \u5f00\u6e90\u7684\u81ea\u52a8\u5316\u6784\u5efa\u548c\u90e8\u7f72\u5de5\u5177\uff0c\u7528\u4e8e\u652f\u6301\u6301\u7eed\u96c6\u6210\u548c\u6301\u7eed\u4ea4\u4ed8\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\u8fd9\u53ea\u662f\u5fae\u670d\u52a1\u4f53\u7cfb\u7ed3\u6784\u4e2d\u7684\u4e00\u90e8\u5206\u7ec4\u4ef6\uff0c\u5b9e\u9645\u4e0a\u8fd8\u6709\u8bb8\u591a\u5176\u4ed6\u5de5\u5177\u548c\u6280\u672f\u53ef\u4ee5\u7528\u4e8e\u6784\u5efa\u3001\u90e8\u7f72\u548c\u7ba1\u7406\u5fae\u670d\u52a1\u3002\u9009\u62e9\u54ea\u4e9b\u7ec4\u4ef6\u53d6\u51b3\u4e8e\u9879\u76ee\u7684\u9700\u6c42\u3001\u6280\u672f\u6808\u548c\u56e2\u961f\u7684\u7ecf\u9a8c\u3002<\/p>\n<h2>\u4e09\u5341\u4e94\u3001\u8bf4\u4e00\u4e0b\u4f60\u7528\u8fc7\u7684\u8bbe\u8ba1\u6a21\u5f0f\uff1f<\/h2>\n<p>\u4f5c\u4e3a\u4e00\u4e2a\u7a0b\u5e8f\u751f\u6210\u6a21\u578b\uff0c\u6211\u672c\u8eab\u5e76\u6ca1\u6709\u4f7f\u7528\u8bbe\u8ba1\u6a21\u5f0f\u7684\u7ecf\u9a8c\u3002\u7136\u800c\uff0c\u6211\u53ef\u4ee5\u4e3a\u4f60\u63d0\u4f9b\u4e00\u4e9b\u5173\u4e8e\u5e38\u89c1\u8bbe\u8ba1\u6a21\u5f0f\u7684\u4fe1\u606f\u3002<\/p>\n<p>\u8bbe\u8ba1\u6a21\u5f0f\u662f\u5728\u8f6f\u4ef6\u8bbe\u8ba1\u4e2d\u7ecf\u5e38\u91cd\u590d\u51fa\u73b0\u7684\u95ee\u9898\u7684\u4e00\u5957\u901a\u7528\u89e3\u51b3\u65b9\u6848\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u8bbe\u8ba1\u6a21\u5f0f\uff1a<\/p>\n<ol>\n<li><strong>\u5355\u4f8b\u6a21\u5f0f\uff08Singleton Pattern\uff09\uff1a<\/strong>\n<ul>\n<li>\u4fdd\u8bc1\u4e00\u4e2a\u7c7b\u53ea\u6709\u4e00\u4e2a\u5b9e\u4f8b\uff0c\u5e76\u63d0\u4f9b\u4e00\u4e2a\u5168\u5c40\u8bbf\u95ee\u70b9\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5de5\u5382\u6a21\u5f0f\uff08Factory Pattern\uff09\uff1a<\/strong>\n<ul>\n<li>\u5c06\u5bf9\u8c61\u7684\u521b\u5efa\u8fc7\u7a0b\u5c01\u88c5\u5728\u4e00\u4e2a\u63a5\u53e3\u4e2d\uff0c\u4f7f\u5ba2\u6237\u7aef\u80fd\u591f\u4f7f\u7528\u76f8\u540c\u7684\u63a5\u53e3\u521b\u5efa\u4e0d\u540c\u7c7b\u578b\u7684\u5bf9\u8c61\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u62bd\u8c61\u5de5\u5382\u6a21\u5f0f\uff08Abstract Factory Pattern\uff09\uff1a<\/strong>\n<ul>\n<li>\u63d0\u4f9b\u4e00\u4e2a\u521b\u5efa\u4e00\u7cfb\u5217\u76f8\u5173\u6216\u76f8\u4e92\u4f9d\u8d56\u5bf9\u8c61\u7684\u63a5\u53e3\uff0c\u800c\u65e0\u9700\u6307\u5b9a\u5b83\u4eec\u7684\u5177\u4f53\u7c7b\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5efa\u9020\u8005\u6a21\u5f0f\uff08Builder Pattern\uff09\uff1a<\/strong>\n<ul>\n<li>\u5c06\u4e00\u4e2a\u590d\u6742\u5bf9\u8c61\u7684\u6784\u5efa\u8fc7\u7a0b\u4e0e\u5176\u8868\u793a\u5206\u79bb\uff0c\u4f7f\u540c\u6837\u7684\u6784\u5efa\u8fc7\u7a0b\u53ef\u4ee5\u521b\u5efa\u4e0d\u540c\u7684\u8868\u793a\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u539f\u578b\u6a21\u5f0f\uff08Prototype Pattern\uff09\uff1a<\/strong>\n<ul>\n<li>\u901a\u8fc7\u590d\u5236\u73b0\u6709\u5bf9\u8c61\u6765\u521b\u5efa\u65b0\u5bf9\u8c61\uff0c\u800c\u4e0d\u662f\u901a\u8fc7\u5b9e\u4f8b\u5316\u7c7b\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u9002\u914d\u5668\u6a21\u5f0f\uff08Adapter Pattern\uff09\uff1a<\/strong>\n<ul>\n<li>\u5c06\u4e00\u4e2a\u7c7b\u7684\u63a5\u53e3\u8f6c\u6362\u6210\u5ba2\u6237\u7aef\u671f\u671b\u7684\u53e6\u4e00\u4e2a\u63a5\u53e3\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u88c5\u9970\u8005\u6a21\u5f0f\uff08Decorator Pattern\uff09\uff1a<\/strong>\n<ul>\n<li>\u52a8\u6001\u5730\u5c06\u8d23\u4efb\u9644\u52a0\u5230\u5bf9\u8c61\u4e0a\u3002\u88c5\u9970\u6a21\u5f0f\u63d0\u4f9b\u4e86\u4e00\u79cd\u7075\u6d3b\u7684\u65b9\u5f0f\uff0c\u53ef\u4ee5\u5728\u8fd0\u884c\u65f6\u6269\u5c55\u5bf9\u8c61\u7684\u529f\u80fd\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u4ee3\u7406\u6a21\u5f0f\uff08Proxy Pattern\uff09\uff1a<\/strong>\n<ul>\n<li>\u63a7\u5236\u5bf9\u5176\u4ed6\u5bf9\u8c61\u7684\u8bbf\u95ee\uff0c\u5141\u8bb8\u5728\u8bbf\u95ee\u5bf9\u8c61\u4e4b\u524d\u548c\u4e4b\u540e\u8fdb\u884c\u4e00\u4e9b\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u89c2\u5bdf\u8005\u6a21\u5f0f\uff08Observer Pattern\uff09\uff1a<\/strong>\n<ul>\n<li>\u5b9a\u4e49\u5bf9\u8c61\u4e4b\u95f4\u7684\u4e00\u5bf9\u591a\u4f9d\u8d56\u5173\u7cfb\uff0c\u4f7f\u5f97\u5f53\u4e00\u4e2a\u5bf9\u8c61\u7684\u72b6\u6001\u53d1\u751f\u6539\u53d8\u65f6\uff0c\u6240\u6709\u4f9d\u8d56\u5b83\u7684\u5bf9\u8c61\u90fd\u4f1a\u5f97\u5230\u901a\u77e5\u5e76\u81ea\u52a8\u66f4\u65b0\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u7b56\u7565\u6a21\u5f0f\uff08Strategy Pattern\uff09\uff1a<\/strong>\n<ul>\n<li>\u5b9a\u4e49\u4e00\u7cfb\u5217\u7b97\u6cd5\uff0c\u5c06\u5b83\u4eec\u5c01\u88c5\u8d77\u6765\uff0c\u5e76\u4e14\u4f7f\u5b83\u4eec\u53ef\u4ee5\u76f8\u4e92\u66ff\u6362\uff0c\u4f7f\u5f97\u7b97\u6cd5\u7684\u53d8\u5316\u4e0d\u4f1a\u5f71\u54cd\u4f7f\u7528\u7b97\u6cd5\u7684\u5ba2\u6237\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u547d\u4ee4\u6a21\u5f0f\uff08Command Pattern\uff09\uff1a<\/strong>\n<ul>\n<li>\u5c06\u8bf7\u6c42\u5c01\u88c5\u6210\u4e00\u4e2a\u5bf9\u8c61\uff0c\u4ece\u800c\u4f7f\u7528\u6237\u53ef\u4ee5\u7528\u4e0d\u540c\u7684\u8bf7\u6c42\u5bf9\u5ba2\u6237\u8fdb\u884c\u53c2\u6570\u5316\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u72b6\u6001\u6a21\u5f0f\uff08State Pattern\uff09\uff1a<\/strong>\n<ul>\n<li>\u5141\u8bb8\u5bf9\u8c61\u5728\u5176\u5185\u90e8\u72b6\u6001\u6539\u53d8\u65f6\u6539\u53d8\u5b83\u7684\u884c\u4e3a\uff0c\u4f7f\u5bf9\u8c61\u770b\u8d77\u6765\u4f3c\u4e4e\u4fee\u6539\u4e86\u5b83\u7684\u7c7b\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\u8fd9\u4e9b\u8bbe\u8ba1\u6a21\u5f0f\u90fd\u662f\u5728\u7279\u5b9a\u60c5\u5883\u4e2d\u89e3\u51b3\u7279\u5b9a\u95ee\u9898\u7684\u53ef\u590d\u7528\u7684\u89e3\u51b3\u65b9\u6848\u3002\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\uff0c\u9009\u62e9\u4f7f\u7528\u8bbe\u8ba1\u6a21\u5f0f\u901a\u5e38\u53d6\u51b3\u4e8e\u95ee\u9898\u7684\u6027\u8d28\u3001\u7cfb\u7edf\u7684\u9700\u6c42\u548c\u56e2\u961f\u7684\u8bbe\u8ba1\u98ce\u683c\u3002<\/p>\n<h2>\u4e09\u5341\u516d\u3001Maven \u7684\u5750\u6807\u662f\u5e72\u561b\u7684\uff1f<\/h2>\n<p>Maven\u7684\u5750\u6807\u662f\u7528\u6765\u552f\u4e00\u6807\u8bc6\u4e00\u4e2a\u9879\u76ee\u6216\u6784\u4ef6\uff08Artifact\uff09\u7684\u4e00\u7ec4\u503c\uff0c\u901a\u5e38\u5305\u62ec\u4e09\u4e2a\u90e8\u5206\uff1a<code>groupId<\/code>\u3001<code>artifactId<\/code>\u548c<code>version<\/code>\u3002\u8fd9\u7ec4\u503c\u5b9a\u4e49\u4e86\u4e00\u4e2a\u6784\u4ef6\u5728Maven\u4ed3\u5e93\u4e2d\u7684\u552f\u4e00\u4f4d\u7f6e\u3002<\/p>\n<p>\u5177\u4f53\u6765\u8bf4\uff1a<\/p>\n<ol>\n<li><strong><code>groupId<\/code>\uff08\u7ec4\u7ec7\u6807\u8bc6\uff09\uff1a<\/strong>\n<ul>\n<li>\u901a\u5e38\u53cd\u8f6c\u7684\u516c\u53f8\u57df\u540d\uff0c\u7528\u6765\u552f\u4e00\u6807\u8bc6\u7ec4\u7ec7\u6216\u9879\u76ee\u7684\u9876\u5c42\u5305\u3002\u4f8b\u5982\uff0c<code>com.example<\/code>\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong><code>artifactId<\/code>\uff08\u9879\u76ee\u6807\u8bc6\uff09\uff1a<\/strong>\n<ul>\n<li>\u9879\u76ee\u6216\u6a21\u5757\u7684\u540d\u79f0\u3002\u5b83\u5728\u540c\u4e00<code>groupId<\/code>\u4e0b\u5fc5\u987b\u662f\u552f\u4e00\u7684\u3002\u4f8b\u5982\uff0c<code>my-project<\/code>\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong><code>version<\/code>\uff08\u7248\u672c\u53f7\uff09\uff1a<\/strong>\n<ul>\n<li>\u6784\u4ef6\u7684\u7248\u672c\u53f7\u3002\u5b83\u8868\u793a\u6784\u4ef6\u7684\u5177\u4f53\u7248\u672c\uff0c\u53ef\u4ee5\u662f\u6570\u5b57\u3001\u65e5\u671f\u3001SNAPSHOT\u7b49\u3002\u4f8b\u5982\uff0c<code>1.0<\/code>\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\u901a\u8fc7\u8fd9\u4e09\u4e2a\u503c\uff0cMaven\u53ef\u4ee5\u552f\u4e00\u786e\u5b9a\u4e00\u4e2a\u6784\u4ef6\u5728Maven\u4ed3\u5e93\u4e2d\u7684\u4f4d\u7f6e\u3002\u5750\u6807\u7684\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n<pre data-language=XML><code class=\"language-markup  line-numbers\">&lt;groupId&gt;com.example&lt;\/groupId&gt;\n&lt;artifactId&gt;my-project&lt;\/artifactId&gt;\n&lt;version&gt;1.0&lt;\/version&gt;\n<\/code><\/pre>\n<p>\u8fd9\u4e9b\u5750\u6807\u4fe1\u606f\u901a\u5e38\u7528\u4e8e\u914d\u7f6eMaven\u9879\u76ee\u7684<code>pom.xml<\/code>\u6587\u4ef6\u4e2d\uff0c\u4ee5\u6307\u5b9a\u9879\u76ee\u7684\u4f9d\u8d56\u3001\u63d2\u4ef6\u7b49\u3002Maven\u6839\u636e\u8fd9\u4e9b\u5750\u6807\u4fe1\u606f\u5728\u4ed3\u5e93\u4e2d\u67e5\u627e\u76f8\u5e94\u7684\u6784\u4ef6\uff0c\u5e76\u4e0b\u8f7d\u5230\u672c\u5730\u4ed3\u5e93\u4ee5\u4f9b\u9879\u76ee\u4f7f\u7528\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u7684\u9879\u76ee\u4f9d\u8d56\u4e8e\u4e00\u4e2a\u540d\u4e3a<code>example-library<\/code>\u7684\u6784\u4ef6\uff0c\u5176\u5750\u6807\u4e3a\uff1a<\/p>\n<pre data-language=XML><code class=\"language-markup  line-numbers\">&lt;groupId&gt;com.example&lt;\/groupId&gt;\n&lt;artifactId&gt;example-library&lt;\/artifactId&gt;\n&lt;version&gt;2.0&lt;\/version&gt;\n<\/code><\/pre>\n<p>Maven\u5c06\u6839\u636e\u8fd9\u4e2a\u5750\u6807\u53bb\u4ed3\u5e93\u4e2d\u5bfb\u627e\u5e76\u4e0b\u8f7d<code>com\/example\/example-library\/2.0\/example-library-2.0.jar<\/code>\u3002<\/p>\n<h2>\u4e09\u5341\u4e03\u3001\u9879\u76ee\u4e2d\u9047\u5230\u4f9d\u8d56\u51b2\u7a81\u600e\u4e48\u89e3\u51b3\uff1f<\/h2>\n<p>\u4f9d\u8d56\u51b2\u7a81\u662f\u6307\u9879\u76ee\u4e2d\u5b58\u5728\u591a\u4e2a\u4f9d\u8d56\uff0c\u5b83\u4eec\u5f15\u5165\u4e86\u76f8\u540c\u7684\u5e93\uff0c\u4f46\u7248\u672c\u53f7\u4e0d\u540c\uff0c\u53ef\u80fd\u5bfc\u81f4\u7f16\u8bd1\u9519\u8bef\u3001\u8fd0\u884c\u65f6\u5f02\u5e38\u6216\u8005\u4e0d\u53ef\u9884\u6d4b\u7684\u884c\u4e3a\u3002\u89e3\u51b3\u4f9d\u8d56\u51b2\u7a81\u7684\u5e38\u89c1\u65b9\u6cd5\u5305\u62ec\uff1a<\/p>\n<ol>\n<li><strong>\u4f7f\u7528<code>mvn dependency:tree<\/code>\u547d\u4ee4\u67e5\u770b\u4f9d\u8d56\u6811\uff1a<\/strong>\n<ul>\n<li>\u8fd0\u884c\u547d\u4ee4<code>mvn dependency:tree<\/code>\u53ef\u4ee5\u67e5\u770b\u9879\u76ee\u7684\u4f9d\u8d56\u6811\uff0c\u4ece\u800c\u786e\u5b9a\u54ea\u4e9b\u5e93\u7684\u4e0d\u540c\u7248\u672c\u88ab\u5f15\u5165\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u6392\u9664\u51b2\u7a81\u7684\u4f9d\u8d56\uff1a<\/strong>\n<ul>\n<li>\u5728<code>pom.xml<\/code>\u6587\u4ef6\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7<code>&lt;exclusions&gt;<\/code>\u6807\u7b7e\u6392\u9664\u4e0d\u9700\u8981\u7684\u4f9d\u8d56\u3002<\/li>\n<\/ul>\n<pre data-language=XML><code class=\"language-markup  line-numbers\">&lt;dependency&gt;\n   &lt;groupId&gt;com.example&lt;\/groupId&gt;\n   &lt;artifactId&gt;example-library&lt;\/artifactId&gt;\n   &lt;version&gt;1.0&lt;\/version&gt;\n   &lt;exclusions&gt;\n       &lt;exclusion&gt;\n           &lt;groupId&gt;conflict-group&lt;\/groupId&gt;\n           &lt;artifactId&gt;conflict-artifact&lt;\/artifactId&gt;\n       &lt;\/exclusion&gt;\n   &lt;\/exclusions&gt;\n&lt;\/dependency&gt;\n<\/code><\/pre>\n<\/li>\n<li><strong>\u7edf\u4e00\u4f9d\u8d56\u7248\u672c\uff1a<\/strong>\n<ul>\n<li>\u5728<code>pom.xml<\/code>\u4e2d\u7edf\u4e00\u6307\u5b9a\u4f9d\u8d56\u7684\u7248\u672c\uff0c\u786e\u4fdd\u9879\u76ee\u4e2d\u4f7f\u7528\u7684\u5e93\u7248\u672c\u4e00\u81f4\u3002<\/li>\n<\/ul>\n<pre data-language=XML><code class=\"language-markup  line-numbers\">&lt;properties&gt;\n   &lt;example-library.version&gt;2.0&lt;\/example-library.version&gt;\n&lt;\/properties&gt;\n\n&lt;dependencies&gt;\n   &lt;dependency&gt;\n       &lt;groupId&gt;com.example&lt;\/groupId&gt;\n       &lt;artifactId&gt;example-library&lt;\/artifactId&gt;\n       &lt;version&gt;${example-library.version}&lt;\/version&gt;\n   &lt;\/dependency&gt;\n&lt;\/dependencies&gt;\n<\/code><\/pre>\n<\/li>\n<li><strong>\u4f7f\u7528<code>dependencyManagement<\/code>\u6807\u7b7e\uff1a<\/strong>\n<ul>\n<li>\u5728\u9879\u76ee\u7684<code>pom.xml<\/code>\u6587\u4ef6\u4e2d\uff0c\u4f7f\u7528<code>dependencyManagement<\/code>\u6807\u7b7e\u53ef\u4ee5\u96c6\u4e2d\u7ba1\u7406\u9879\u76ee\u4e2d\u6240\u6709\u4f9d\u8d56\u7684\u7248\u672c\u3002\u5b50\u6a21\u5757\u53ef\u4ee5\u5f15\u7528\u8fd9\u4e2a<code>dependencyManagement<\/code>\u4e2d\u5b9a\u4e49\u7684\u7248\u672c\u3002<\/li>\n<\/ul>\n<pre data-language=XML><code class=\"language-markup  line-numbers\">&lt;dependencyManagement&gt;\n   &lt;dependencies&gt;\n       &lt;dependency&gt;\n           &lt;groupId&gt;com.example&lt;\/groupId&gt;\n           &lt;artifactId&gt;example-library&lt;\/artifactId&gt;\n           &lt;version&gt;2.0&lt;\/version&gt;\n       &lt;\/dependency&gt;\n   &lt;\/dependencies&gt;\n&lt;\/dependencyManagement&gt;\n\n&lt;dependencies&gt;\n   &lt;dependency&gt;\n       &lt;groupId&gt;com.example&lt;\/groupId&gt;\n       &lt;artifactId&gt;example-library&lt;\/artifactId&gt;\n   &lt;\/dependency&gt;\n&lt;\/dependencies&gt;\n<\/code><\/pre>\n<\/li>\n<li><strong>\u4f7f\u7528<code>mvn versions:display-dependency-updates<\/code>\u547d\u4ee4\uff1a<\/strong>\n<ul>\n<li>\u8fd0\u884c\u547d\u4ee4<code>mvn versions:display-dependency-updates<\/code>\u53ef\u4ee5\u67e5\u770b\u9879\u76ee\u4e2d\u6240\u6709\u4f9d\u8d56\u7684\u6700\u65b0\u7248\u672c\uff0c\u5e2e\u52a9\u4f60\u786e\u5b9a\u662f\u5426\u9700\u8981\u66f4\u65b0\u7248\u672c\u4ee5\u89e3\u51b3\u51b2\u7a81\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u6392\u67e5\u5f15\u5165\u51b2\u7a81\u4f9d\u8d56\u7684\u63d2\u4ef6\uff1a<\/strong>\n<ul>\n<li>\u6709\u65f6\uff0c\u51b2\u7a81\u53ef\u80fd\u662f\u7531\u4e8e\u67d0\u4e2a\u63d2\u4ef6\u5f15\u5165\u7684\u4f9d\u8d56\u5bfc\u81f4\u7684\u3002\u68c0\u67e5\u9879\u76ee\u7684\u63d2\u4ef6\u914d\u7f6e\uff0c\u7279\u522b\u662f\u4e0e\u6784\u5efa\u548c\u6253\u5305\u76f8\u5173\u7684\u63d2\u4ef6\uff0c\u770b\u770b\u662f\u5426\u6709\u4e0d\u5fc5\u8981\u7684\u4f9d\u8d56\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\u89e3\u51b3\u4f9d\u8d56\u51b2\u7a81\u9700\u8981\u7efc\u5408\u8003\u8651\u9879\u76ee\u7684\u9700\u6c42\u3001\u4f9d\u8d56\u4e4b\u95f4\u7684\u5173\u7cfb\u4ee5\u53ca\u5e93\u7684\u7248\u672c\u517c\u5bb9\u6027\u3002\u4fdd\u6301\u4f9d\u8d56\u7248\u672c\u7684\u4e00\u81f4\u6027\u662f\u826f\u597d\u7684\u5b9e\u8df5\uff0c\u53ef\u4ee5\u51cf\u5c11\u6f5c\u5728\u7684\u95ee\u9898\u3002<\/p>\n<h2>\u4e09\u5341\u516b\u3001\u63cf\u8ff0\u4e00\u4e0b\u4f60\u6700\u719f\u6089\u7684\u4e00\u4e2a\u9879\u76ee\uff1f<\/h2>\n<p>\u5177\u4f53\u56de\u7b54<\/p>\n<h2>\u4e09\u5341\u4e5d\u3001\u63a5\u53e3\u9632\u5237\u600e\u4e48\u5b9e\u73b0\u7684\uff1f<\/h2>\n<p>\u63a5\u53e3\u9632\u5237\u662f\u4e3a\u4e86\u9632\u6b62\u6076\u610f\u653b\u51fb\u6216\u6ee5\u7528\uff0c\u5bf9\u63a5\u53e3\u7684\u8bbf\u95ee\u9891\u7387\u8fdb\u884c\u9650\u5236\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u5b9e\u73b0\u65b9\u5f0f\uff1a<\/p>\n<ol>\n<li><strong>\u4ee4\u724c\u6876\u7b97\u6cd5\uff1a<\/strong>\n<ul>\n<li>\u4ee4\u724c\u6876\u7b97\u6cd5\u662f\u4e00\u79cd\u6d41\u91cf\u6574\u5f62\u7b97\u6cd5\uff0c\u5b83\u4ee5\u6052\u5b9a\u7684\u901f\u7387\u5411\u4ee4\u724c\u6876\u4e2d\u653e\u5165\u4ee4\u724c\u3002\u6bcf\u5f53\u8bf7\u6c42\u5230\u6765\u65f6\uff0c\u4ece\u4ee4\u724c\u6876\u4e2d\u53d6\u8d70\u4e00\u4e2a\u4ee4\u724c\uff0c\u5982\u679c\u6876\u4e2d\u6ca1\u6709\u8db3\u591f\u7684\u4ee4\u724c\uff0c\u5219\u8bf7\u6c42\u88ab\u62d2\u7edd\u6216\u5ef6\u8fdf\u5904\u7406\u3002\u8fd9\u6837\u53ef\u4ee5\u63a7\u5236\u8bf7\u6c42\u7684\u901f\u7387\uff0c\u9632\u6b62\u7a81\u53d1\u6d41\u91cf\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u6f0f\u6876\u7b97\u6cd5\uff1a<\/strong>\n<ul>\n<li>\u6f0f\u6876\u7b97\u6cd5\u662f\u4e00\u79cd\u6d41\u91cf\u6574\u5f62\u7b97\u6cd5\uff0c\u5b83\u4ee5\u56fa\u5b9a\u901f\u7387\u6f0f\u6389\u8bf7\u6c42\u3002\u5f53\u8bf7\u6c42\u5230\u6765\u65f6\uff0c\u5c06\u8bf7\u6c42\u52a0\u5165\u5230\u6f0f\u6876\u4e2d\uff0c\u6f0f\u6876\u4ee5\u56fa\u5b9a\u901f\u7387\u5904\u7406\u8bf7\u6c42\u3002\u5982\u679c\u8bf7\u6c42\u8fc7\u591a\uff0c\u6f0f\u6876\u6ea2\u51fa\uff0c\u53ef\u4ee5\u9009\u62e9\u62d2\u7edd\u8bf7\u6c42\u6216\u8005\u5ef6\u8fdf\u5904\u7406\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u57fa\u4e8e\u65f6\u95f4\u7a97\u53e3\u7684\u9650\u6d41\uff1a<\/strong>\n<ul>\n<li>\u7ef4\u62a4\u4e00\u4e2a\u65f6\u95f4\u7a97\u53e3\uff0c\u8bb0\u5f55\u5728\u8fd9\u4e2a\u65f6\u95f4\u7a97\u53e3\u5185\u7684\u8bf7\u6c42\u6b21\u6570\u3002\u6bcf\u5f53\u6709\u8bf7\u6c42\u5230\u6765\u65f6\uff0c\u5224\u65ad\u5f53\u524d\u8bf7\u6c42\u6b21\u6570\u662f\u5426\u8d85\u8fc7\u9608\u503c\uff0c\u5982\u679c\u8d85\u8fc7\u5219\u62d2\u7edd\u8bf7\u6c42\u3002\u8fd9\u79cd\u65b9\u5f0f\u6bd4\u8f83\u7b80\u5355\uff0c\u9002\u7528\u4e8e\u9650\u5236\u77ed\u65f6\u95f4\u5185\u7684\u8bf7\u6c42\u9891\u7387\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u57fa\u4e8eIP\u5730\u5740\u7684\u9650\u6d41\uff1a<\/strong>\n<ul>\n<li>\u5bf9\u540c\u4e00\u4e2aIP\u5730\u5740\u7684\u8bf7\u6c42\u8fdb\u884c\u9650\u5236\uff0c\u4f8b\u5982\u9650\u5236\u540c\u4e00IP\u5728\u4e00\u5b9a\u65f6\u95f4\u5185\u7684\u8bf7\u6c42\u6b21\u6570\u6216\u901f\u7387\u3002\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u9632\u6b62\u540c\u4e00IP\u53d1\u8d77\u7684\u6076\u610f\u653b\u51fb\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u7528\u6237\u8eab\u4efd\u9a8c\u8bc1\u4e0e\u9650\u6d41\uff1a<\/strong>\n<ul>\n<li>\u5bf9\u7528\u6237\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\uff0c\u5e76\u9488\u5bf9\u6bcf\u4e2a\u7528\u6237\u8fdb\u884c\u8bf7\u6c42\u9650\u5236\u3002\u901a\u8fc7\u7528\u6237\u8eab\u4efd\u4fe1\u606f\uff0c\u53ef\u4ee5\u5b9e\u73b0\u66f4\u7cbe\u7ec6\u7684\u9650\u6d41\u7b56\u7565\uff0c\u5982\u4e0d\u540c\u7528\u6237\u6709\u4e0d\u540c\u7684\u9650\u5236\u914d\u989d\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u9a8c\u8bc1\u7801\u9a8c\u8bc1\uff1a<\/strong>\n<ul>\n<li>\u5bf9\u4e8e\u654f\u611f\u64cd\u4f5c\u6216\u8005\u9891\u7e41\u64cd\u4f5c\uff0c\u53ef\u4ee5\u8981\u6c42\u7528\u6237\u8f93\u5165\u9a8c\u8bc1\u7801\uff0c\u9a8c\u8bc1\u6210\u529f\u540e\u624d\u5141\u8bb8\u7ee7\u7eed\u64cd\u4f5c\u3002\u8fd9\u53ef\u4ee5\u6709\u6548\u9632\u6b62\u673a\u5668\u4eba\u6216\u81ea\u52a8\u5316\u5de5\u5177\u7684\u653b\u51fb\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u4f7f\u7528\u7f13\u5b58\uff1a<\/strong>\n<ul>\n<li>\u7f13\u5b58\u53ef\u4ee5\u7528\u4e8e\u8bb0\u5f55\u8bf7\u6c42\u7684\u8bbf\u95ee\u6b21\u6570\u548c\u9891\u7387\uff0c\u4f8b\u5982\u4f7f\u7528Redis\u7b49\u5185\u5b58\u6570\u636e\u5e93\u3002\u901a\u8fc7\u68c0\u67e5\u7f13\u5b58\u4e2d\u7684\u4fe1\u606f\uff0c\u53ef\u4ee5\u5224\u65ad\u662f\u5426\u9700\u8981\u62d2\u7edd\u8bf7\u6c42\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\u5b9e\u9645\u4e0a\uff0c\u7efc\u5408\u4f7f\u7528\u591a\u79cd\u9650\u6d41\u624b\u6bb5\u66f4\u4e3a\u6709\u6548\uff0c\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u60c5\u51b5\u9009\u62e9\u5408\u9002\u7684\u65b9\u5f0f\u8fdb\u884c\u9632\u5237\u3002\u5728\u5b9e\u73b0\u4e2d\uff0c\u9700\u8981\u8003\u8651\u5230\u9650\u6d41\u7b56\u7565\u7684\u4e25\u683c\u6027\u3001\u7528\u6237\u4f53\u9a8c\u3001\u7cfb\u7edf\u6027\u80fd\u7b49\u56e0\u7d20\u3002<\/p>\n<h2>\u56db\u5341\u3001\u4e3a\u4ec0\u4e48\u8981\u4f7f\u7528 Redis \u505a\uff1f<\/h2>\n<p>Redis \u662f\u4e00\u6b3e\u9ad8\u6027\u80fd\u7684\u5f00\u6e90\u5185\u5b58\u6570\u636e\u5e93\uff0c\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u7f13\u5b58\u3001\u4f1a\u8bdd\u5b58\u50a8\u3001\u6d88\u606f\u961f\u5217\u7b49\u573a\u666f\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528 Redis \u7684\u4e00\u4e9b\u4f18\u70b9\u548c\u5e38\u89c1\u7528\u9014\uff1a<\/p>\n<ol>\n<li><strong>\u9ad8\u6027\u80fd\uff1a<\/strong>\n<ul>\n<li>Redis \u662f\u57fa\u4e8e\u5185\u5b58\u7684\u6570\u636e\u5e93\uff0c\u8bfb\u5199\u901f\u5ea6\u975e\u5e38\u5feb\uff0c\u80fd\u591f\u63d0\u4f9b\u4f4e\u5ef6\u8fdf\u7684\u6570\u636e\u8bbf\u95ee\u3002\u8fd9\u4f7f\u5f97\u5b83\u975e\u5e38\u9002\u5408\u4f5c\u4e3a\u7f13\u5b58\u5c42\uff0c\u63d0\u9ad8\u8bbf\u95ee\u901f\u5ea6\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u6301\u4e45\u6027\uff1a<\/strong>\n<ul>\n<li>Redis \u4e0d\u4ec5\u53ef\u4ee5\u5c06\u6570\u636e\u5b58\u50a8\u5728\u5185\u5b58\u4e2d\uff0c\u8fd8\u652f\u6301\u5c06\u6570\u636e\u6301\u4e45\u5316\u5230\u78c1\u76d8\uff0c\u786e\u4fdd\u6570\u636e\u5728\u91cd\u542f\u540e\u4e0d\u4e22\u5931\u3002\u8fd9\u4f7f\u5f97\u5b83\u5728\u7f13\u5b58\u573a\u666f\u4e2d\u65e2\u80fd\u63d0\u4f9b\u9ad8\u901f\u7684\u5185\u5b58\u8bfb\u53d6\uff0c\u53c8\u80fd\u4fdd\u969c\u6570\u636e\u7684\u6301\u4e45\u6027\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u6570\u636e\u7ed3\u6784\u4e30\u5bcc\uff1a<\/strong>\n<ul>\n<li>Redis\u652f\u6301\u591a\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u5305\u62ec\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u3001\u6709\u5e8f\u96c6\u5408\u7b49\u3002\u8fd9\u4f7f\u5f97\u5b83\u975e\u5e38\u7075\u6d3b\uff0c\u80fd\u591f\u9002\u7528\u4e8e\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u539f\u5b50\u6027\u64cd\u4f5c\uff1a<\/strong>\n<ul>\n<li>Redis \u652f\u6301\u539f\u5b50\u6027\u64cd\u4f5c\uff0c\u5305\u62ec\u5bf9\u5b57\u7b26\u4e32\u3001\u5217\u8868\u7b49\u7684\u539f\u5b50\u6027\u64cd\u4f5c\u3002\u8fd9\u610f\u5473\u7740\u53ef\u4ee5\u5728\u591a\u4e2a\u5e76\u53d1\u8bf7\u6c42\u4e4b\u95f4\u4fdd\u8bc1\u6570\u636e\u7684\u4e00\u81f4\u6027\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u53d1\u5e03\/\u8ba2\u9605\u6a21\u5f0f\uff1a<\/strong>\n<ul>\n<li>Redis \u63d0\u4f9b\u4e86\u53d1\u5e03\/\u8ba2\u9605\u6a21\u5f0f\uff0c\u7528\u4e8e\u5b9e\u73b0\u6d88\u606f\u4f20\u9012\u673a\u5236\u3002\u8fd9\u5bf9\u4e8e\u6784\u5efa\u5b9e\u65f6\u901a\u4fe1\u3001\u6d88\u606f\u961f\u5217\u7b49\u7cfb\u7edf\u975e\u5e38\u6709\u7528\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5206\u5e03\u5f0f\u652f\u6301\uff1a<\/strong>\n<ul>\n<li>Redis \u652f\u6301\u5206\u5e03\u5f0f\u67b6\u6784\uff0c\u53ef\u4ee5\u5c06\u6570\u636e\u5206\u5e03\u5230\u591a\u4e2a\u8282\u70b9\u4e2d\uff0c\u63d0\u9ad8\u6570\u636e\u7684\u53ef\u7528\u6027\u548c\u53ef\u6269\u5c55\u6027\u3002\u901a\u8fc7 Redis Sentinel \u6216 Redis Cluster\uff0c\u53ef\u4ee5\u5b9e\u73b0\u9ad8\u53ef\u7528\u548c\u81ea\u52a8\u5206\u7247\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u4e30\u5bcc\u7684\u5ba2\u6237\u7aef\u652f\u6301\uff1a<\/strong>\n<ul>\n<li>Redis\u6709\u4f17\u591a\u7684\u5ba2\u6237\u7aef\u5e93\uff0c\u652f\u6301\u591a\u79cd\u7f16\u7a0b\u8bed\u8a00\u3002\u8fd9\u4f7f\u5f97\u5b83\u6613\u4e8e\u96c6\u6210\u5230\u4e0d\u540c\u7684\u5e94\u7528\u4e2d\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u7f13\u89e3\u6570\u636e\u5e93\u538b\u529b\uff1a<\/strong>\n<ul>\n<li>\u5728\u67d0\u4e9b\u573a\u666f\u4e0b\uff0c\u5c06\u8bbf\u95ee\u9891\u7e41\u4f46\u4e0d\u7ecf\u5e38\u53d8\u52a8\u7684\u6570\u636e\u5b58\u50a8\u5728 Redis \u4e2d\uff0c\u53ef\u4ee5\u6709\u6548\u51cf\u8f7b\u6570\u636e\u5e93\u7684\u8d1f\u8f7d\uff0c\u63d0\u9ad8\u6574\u4f53\u7cfb\u7edf\u7684\u6027\u80fd\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5e94\u7528\u573a\u666f\u4e30\u5bcc\uff1a<\/strong>\n<ul>\n<li>Redis \u5728\u7f13\u5b58\u3001\u8ba1\u6570\u5668\u3001\u6392\u884c\u699c\u3001\u4f1a\u8bdd\u5b58\u50a8\u3001\u5730\u7406\u4f4d\u7f6e\u5b58\u50a8\u7b49\u65b9\u9762\u90fd\u6709\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u5b83\u7684\u7075\u6d3b\u6027\u548c\u9ad8\u6027\u80fd\u4f7f\u5f97\u5b83\u9002\u7528\u4e8e\u591a\u79cd\u4e0d\u540c\u7684\u573a\u666f\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\u603b\u4f53\u800c\u8a00\uff0c\u4f7f\u7528 Redis \u80fd\u591f\u4e3a\u5e94\u7528\u63d0\u4f9b\u5feb\u901f\u7684\u6570\u636e\u8bbf\u95ee\u3001\u7075\u6d3b\u7684\u6570\u636e\u7ed3\u6784\u548c\u9ad8\u6027\u80fd\u7684\u7f13\u5b58\u80fd\u529b\uff0c\u4f7f\u5176\u6210\u4e3a\u5f88\u591a\u5e94\u7528\u67b6\u6784\u4e2d\u7684\u91cd\u8981\u7ec4\u4ef6\u3002<\/p>\n<h2>\u56db\u5341\u4e00\u3001\u9879\u76ee\u4e2d\u9047\u5230\u5230\u6700\u5927\u56f0\u96be\uff1f\u6280\u672f\u6709\u54ea\u4e9b\u96be\u70b9\uff1f<\/h2>\n<p>\u5177\u4f53\u56de\u7b54<\/p>\n<h2>\u56db\u5341\u4e8c\u3001\u4f60\u9879\u76ee\u4e2d\u67b6\u6784\u8bbe\u8ba1\u548c\u8868\u8bbe\u8ba1\u662f\u600e\u4e48\u505a\u7684\uff1f<\/h2>\n<p>\u5177\u4f53\u56de\u7b54<\/p>\n<h2>\u56db\u5341\u4e09\u3001Git \u591a\u4eba\u534f\u540c\u547d\u4ee4\uff1f<\/h2>\n<p>\u5728\u591a\u4eba\u534f\u540c\u5f00\u53d1\u4e2d\uff0cGit \u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u547d\u4ee4\u6765\u5904\u7406\u5206\u652f\u3001\u5408\u5e76\u3001\u63a8\u9001\u7b49\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684 Git \u591a\u4eba\u534f\u540c\u547d\u4ee4\uff1a<\/p>\n<ol>\n<li><strong>\u514b\u9686\u8fdc\u7a0b\u4ed3\u5e93\uff1a<\/strong>\n<pre><code class=\"language-bash  line-numbers\">git clone &lt;\u8fdc\u7a0b\u4ed3\u5e93URL&gt;\n<\/code><\/pre>\n<\/li>\n<li><strong>\u521b\u5efa\u5206\u652f\uff1a<\/strong>\n<pre><code class=\"language-bash  line-numbers\">git branch &lt;\u5206\u652f\u540d&gt;\n<\/code><\/pre>\n<\/li>\n<li><strong>\u5207\u6362\u5206\u652f\uff1a<\/strong>\n<pre><code class=\"language-bash  line-numbers\">git checkout &lt;\u5206\u652f\u540d&gt;\n<\/code><\/pre>\n<p>\u6216\u8005\u4f7f\u7528\uff1a<\/p>\n<pre><code class=\"language-bash  line-numbers\">git switch &lt;\u5206\u652f\u540d&gt;\n<\/code><\/pre>\n<\/li>\n<li><strong>\u521b\u5efa\u5e76\u5207\u6362\u5230\u65b0\u5206\u652f\uff1a<\/strong>\n<pre><code class=\"language-bash  line-numbers\">git checkout -b &lt;\u65b0\u5206\u652f\u540d&gt;\n<\/code><\/pre>\n<p>\u6216\u8005\u4f7f\u7528\uff1a<\/p>\n<pre><code class=\"language-bash  line-numbers\">git switch -c &lt;\u65b0\u5206\u652f\u540d&gt;\n<\/code><\/pre>\n<\/li>\n<li><strong>\u67e5\u770b\u5206\u652f\uff1a<\/strong>\n<pre><code class=\"language-bash  line-numbers\">git branch\n<\/code><\/pre>\n<\/li>\n<li><strong>\u5c06\u672c\u5730\u5206\u652f\u63a8\u9001\u5230\u8fdc\u7a0b\u4ed3\u5e93\uff1a<\/strong>\n<pre><code class=\"language-bash  line-numbers\">git push origin &lt;\u5206\u652f\u540d&gt;\n<\/code><\/pre>\n<\/li>\n<li><strong>\u62c9\u53d6\u8fdc\u7a0b\u5206\u652f\u5230\u672c\u5730\uff1a<\/strong>\n<pre><code class=\"language-bash  line-numbers\">git pull origin &lt;\u8fdc\u7a0b\u5206\u652f\u540d&gt;:&lt;\u672c\u5730\u5206\u652f\u540d&gt;\n<\/code><\/pre>\n<\/li>\n<li><strong>\u5408\u5e76\u5206\u652f\uff1a<\/strong>\n<pre><code class=\"language-bash  line-numbers\">git merge &lt;\u88ab\u5408\u5e76\u7684\u5206\u652f\u540d&gt;\n<\/code><\/pre>\n<\/li>\n<li><strong>\u89e3\u51b3\u51b2\u7a81\uff1a<\/strong><br \/>\n\u5728\u5408\u5e76\u4e2d\u5982\u679c\u53d1\u751f\u51b2\u7a81\uff0c\u624b\u52a8\u89e3\u51b3\u51b2\u7a81\u540e\uff0c\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u6807\u8bb0\u4e3a\u5df2\u89e3\u51b3\uff1a<\/p>\n<pre><code class=\"language-bash  line-numbers\">git add &lt;\u51b2\u7a81\u6587\u4ef6&gt;\n<\/code><\/pre>\n<p>\u7136\u540e\u7ee7\u7eed\u5408\u5e76\uff1a<\/p>\n<pre><code class=\"language-bash  line-numbers\">git merge --continue\n<\/code><\/pre>\n<\/li>\n<li><strong>\u67e5\u770b\u8fdc\u7a0b\u4ed3\u5e93\u5730\u5740\uff1a<\/strong>\n<pre><code class=\"language-bash  line-numbers\">git remote -v\n<\/code><\/pre>\n<\/li>\n<li><strong>\u4ece\u8fdc\u7a0b\u4ed3\u5e93\u62c9\u53d6\u66f4\u65b0\uff1a<\/strong>\n<pre><code class=\"language-bash  line-numbers\">git pull origin &lt;\u5206\u652f\u540d&gt;\n<\/code><\/pre>\n<\/li>\n<li><strong>\u67e5\u770b\u63d0\u4ea4\u65e5\u5fd7\uff1a<\/strong>\n<pre><code class=\"language-bash  line-numbers\">git log\n<\/code><\/pre>\n<\/li>\n<li><strong>\u5f3a\u5236\u63a8\u9001\u5230\u8fdc\u7a0b\u4ed3\u5e93\uff1a<\/strong>\n<pre><code class=\"language-bash  line-numbers\">git push -f origin &lt;\u5206\u652f\u540d&gt;\n<\/code><\/pre>\n<p><strong>\u6ce8\u610f\uff1a\u5f3a\u5236\u63a8\u9001\u53ef\u80fd\u4f1a\u8986\u76d6\u8fdc\u7a0b\u4ed3\u5e93\u7684\u5386\u53f2\uff0c\u8c28\u614e\u4f7f\u7528\u3002<\/strong><\/p>\n<\/li>\n<\/ol>\n<p>\u4ee5\u4e0a\u547d\u4ee4\u662f\u4e00\u4e9b\u57fa\u672c\u7684\u591a\u4eba\u534f\u540c\u5f00\u53d1\u4e2d\u5e38\u89c1\u7684 Git \u547d\u4ee4\u3002\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\uff0c\u591a\u4eba\u534f\u540c\u5f00\u53d1\u8fd8\u9700\u8981\u6ce8\u610f\u534f\u4f5c\u89c4\u8303\u3001\u5206\u652f\u7ba1\u7406\u7b56\u7565\u4ee5\u53ca\u4ee3\u7801\u8bc4\u5ba1\u7b49\u65b9\u9762\u7684\u95ee\u9898\u3002<\/p>\n<h2>\u56db\u5341\u56db\u3001Git \u51b2\u7a81\u600e\u4e48\u89e3\u51b3\uff1f<\/h2>\n<p>\u89e3\u51b3 Git \u51b2\u7a81\u901a\u5e38\u9700\u8981\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n<ol>\n<li><strong>\u62c9\u53d6\u6700\u65b0\u4ee3\u7801\uff1a<\/strong><br \/>\n\u5728\u5f00\u59cb\u5de5\u4f5c\u4e4b\u524d\uff0c\u786e\u4fdd\u4f60\u7684\u672c\u5730\u4ee3\u7801\u5e93\u662f\u6700\u65b0\u7684\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u62c9\u53d6\u6700\u65b0\u4ee3\u7801\uff1a<\/p>\n<pre><code class=\"language-bash  line-numbers\">git pull origin &lt;\u5206\u652f\u540d&gt;\n<\/code><\/pre>\n<\/li>\n<li><strong>\u67e5\u770b\u51b2\u7a81\u6587\u4ef6\uff1a<\/strong><br \/>\n\u5f53\u62c9\u53d6\u6700\u65b0\u4ee3\u7801\u540e\uff0c\u5982\u679c\u53d1\u751f\u51b2\u7a81\uff0cGit \u4f1a\u544a\u8bc9\u4f60\u54ea\u4e9b\u6587\u4ef6\u53d1\u751f\u4e86\u51b2\u7a81\u3002\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u51b2\u7a81\u7684\u6587\u4ef6\uff1a<\/p>\n<pre><code class=\"language-bash  line-numbers\">git status\n<\/code><\/pre>\n<\/li>\n<li><strong>\u7f16\u8f91\u51b2\u7a81\u6587\u4ef6\uff1a<\/strong><br \/>\n\u6253\u5f00\u51b2\u7a81\u6587\u4ef6\uff0cGit \u4f1a\u5728\u6587\u4ef6\u4e2d\u6807\u8bb0\u51fa\u51b2\u7a81\u7684\u5730\u65b9\u3002\u624b\u52a8\u89e3\u51b3\u51b2\u7a81\uff0c\u5220\u9664\u51b2\u7a81\u6807\u8bb0\uff0c\u5e76\u9009\u62e9\u4fdd\u7559\u54ea\u4e9b\u5185\u5bb9\u3002\u4fdd\u5b58\u6587\u4ef6\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6807\u8bb0\u4e3a\u5df2\u89e3\u51b3\uff1a<\/strong><br \/>\n\u4e00\u65e6\u4f60\u89e3\u51b3\u4e86\u51b2\u7a81\u5e76\u4fdd\u5b58\u4e86\u6587\u4ef6\uff0c\u5c06\u6587\u4ef6\u6807\u8bb0\u4e3a\u5df2\u89e3\u51b3\uff1a<\/p>\n<pre><code class=\"language-bash  line-numbers\">git add &lt;\u51b2\u7a81\u6587\u4ef6&gt;\n<\/code><\/pre>\n<\/li>\n<li><strong>\u7ee7\u7eed\u5408\u5e76\uff1a<\/strong><br \/>\n\u7ee7\u7eed\u8fdb\u884c\u5408\u5e76\u64cd\u4f5c\uff1a<\/p>\n<pre><code class=\"language-bash  line-numbers\">git merge --continue\n<\/code><\/pre>\n<p>\u6216\u8005\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff0c\u8fd9\u4f1a\u5728\u89e3\u51b3\u51b2\u7a81\u7684\u540c\u65f6\u8fdb\u884c\u5408\u5e76\uff1a<\/p>\n<pre><code class=\"language-bash  line-numbers\">git pull origin &lt;\u5206\u652f\u540d&gt;\n<\/code><\/pre>\n<\/li>\n<li><strong>\u63d0\u4ea4\u89e3\u51b3\u51b2\u7a81\u7684\u66f4\u6539\uff1a<\/strong><br \/>\n\u6700\u540e\uff0c\u63d0\u4ea4\u89e3\u51b3\u51b2\u7a81\u7684\u66f4\u6539\uff1a<\/p>\n<pre><code class=\"language-bash  line-numbers\">git commit -m \"\u89e3\u51b3\u51b2\u7a81\"\n<\/code><\/pre>\n<p>\u5982\u679c\u662f\u901a\u8fc7 <code>git pull<\/code> \u5408\u5e76\u5e76\u89e3\u51b3\u51b2\u7a81\uff0c\u53ef\u80fd\u65e0\u9700\u518d\u8fdb\u884c\u63d0\u4ea4\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u63a8\u9001\u5230\u8fdc\u7a0b\u4ed3\u5e93\uff1a<\/strong><br \/>\n\u5982\u679c\u4f60\u7684\u5206\u652f\u9700\u8981\u63a8\u9001\u5230\u8fdc\u7a0b\u4ed3\u5e93\uff0c\u6267\u884c\uff1a<\/p>\n<pre><code class=\"language-bash  line-numbers\">git push origin &lt;\u5206\u652f\u540d&gt;\n<\/code><\/pre>\n<\/li>\n<\/ol>\n<p>\u8fd9\u6837\uff0c\u4f60\u5c31\u6210\u529f\u89e3\u51b3\u4e86 Git \u51b2\u7a81\u5e76\u5b8c\u6210\u4e86\u4ee3\u7801\u5408\u5e76\u3002\u786e\u4fdd\u5728\u89e3\u51b3\u51b2\u7a81\u65f6\uff0c\u4ed4\u7ec6\u68c0\u67e5\u4ee3\u7801\u4ee5\u907f\u514d\u5f15\u5165\u65b0\u7684\u95ee\u9898\u3002\u51b2\u7a81\u89e3\u51b3\u540e\uff0c\u6700\u597d\u8fdb\u884c\u4ee3\u7801\u6d4b\u8bd5\u4ee5\u786e\u4fdd\u4e00\u5207\u6b63\u5e38\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001\u63cf\u8ff0 Java \u6e90\u4ee3\u7801\u5230\u8fd0\u884c\u7684\u8fc7\u7a0b\uff1f \u5f53\u5728\u9762\u8bd5\u4e2d\u56de\u7b54\u5173\u4e8eJava\u6e90\u4ee3\u7801\u5230\u8fd0\u884c\u7684\u8fc7\u7a0b\u65f6\uff0c\u4f60\u53ef\u4ee5\u5f3a\u8c03\u4ee5\u4e0b\u5173\u952e\u70b9 [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[106],"tags":[],"class_list":["post-16996","post","type-post","status-publish","format-standard","hentry","category-gongsi"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/16996","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=16996"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/16996\/revisions"}],"predecessor-version":[{"id":16997,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/16996\/revisions\/16997"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=16996"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=16996"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=16996"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}