{"id":48476,"date":"2023-12-19T20:44:43","date_gmt":"2023-12-19T12:44:43","guid":{"rendered":"http:\/\/wx.kaifamiao.info\/?p=48476"},"modified":"2023-12-19T20:45:23","modified_gmt":"2023-12-19T12:45:23","slug":"%e9%87%91%e6%99%ba%e6%95%99%e8%82%b2%e6%8a%80%e6%9c%af%e9%9d%a2","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/19\/%e9%87%91%e6%99%ba%e6%95%99%e8%82%b2%e6%8a%80%e6%9c%af%e9%9d%a2\/","title":{"rendered":"\u91d1\u667a\u6559\u80b2\u6280\u672f\u9762"},"content":{"rendered":"<h2><a id=\"%E4%B8%AA%E4%BA%BA%E5%AD%A6%E4%B9%A0%E6%96%B9%E5%BC%8F\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u4e2a\u4eba\u5b66\u4e60\u65b9\u5f0f<\/h2>\n<ol>\n<li><\/li>\n<\/ol>\n<h2><a id=\"jvm%E5%86%85%E5%AD%98%E7%BB%93%E6%9E%84\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>JVM\u5185\u5b58\u7ed3\u6784<\/h2>\n<p>\u7b54\uff1aJVM\u7684\u5185\u5b58\u7ed3\u6784\u5206\u4e3a\uff1a<\/p>\n<p>\u65b9\u6cd5\u533a\uff1a\u7528\u4e8e\u5b58\u50a8\u7c7b\u4fe1\u606f\u3001\u5e38\u91cf\u3001\u9759\u6001\u53d8\u91cf\u3001\u5373\u65f6\u7f16\u8bd1\u5668\uff08JIT\uff09\u7f16\u8bd1\u540e\u7684\u4ee3\u7801\uff08\u4fdd\u5b58\u5728\u5185\u5b58\u4e4b\u4e2d\uff0c\u6240\u4ee5\u8bf4\u662f\u89e3\u91ca\u4e0e\u7f16\u8bd1\u5171\u5b58\u7684\uff09\u3002\u65b9\u6cd5\u533a\u4e5f\u88ab\u53eb\u505a\u5143\u7a7a\u95f4\u3002<\/p>\n<p>\u5806\uff1a\u5b58\u50a8\u5bf9\u8c61\u5b9e\u4f8b\uff1b\u5728\u5806\u4e2d\u5206\u65b0\u751f\u4ee3\u3001\u8001\u5e74\u4ee3\uff0c\u65b0\u751f\u4ee3\u7528\u4e8e\u5b58\u50a8\u65b0\u521b\u5efa\u7684\u5bf9\u8c61\uff1b\u8001\u5e74\u4ee3\u7528\u4e8e\u5b58\u50a8\u8f83\u957f\u65f6\u95f4\u7684\u5b58\u6d3b\u5bf9\u8c61\u3002<\/p>\n<p>\u865a\u62df\u673a\u6808\uff1a\u5f53\u7ebf\u7a0b\u8fd0\u884c\u4e00\u4e2aJava\u65b9\u6cd5\u65f6\u90fd\u4f1a\u521b\u5efa\u4e00\u4e2a\u6808\u5e27\uff0c\u7528\u4e8e\u5b58\u50a8\u5c40\u90e8\u53d8\u91cf\u8868\uff0c\u64cd\u4f5c\u6570\u6808\uff0c\u52a8\u6001\u8fde\u63a5\u3001\u65b9\u6cd5\u51fa\u53e3\u7b49\u3002<\/p>\n<p>\u672c\u5730\u65b9\u6cd5\u6808\uff1a\u7528\u4e8e\u6267\u884c\u672c\u5730\u65b9\u6cd5\uff1b<\/p>\n<p>\u7a0b\u5e8f\u8ba1\u6570\u5668\uff1a\u8bb0\u5f55\u7ebf\u7a0b\u6267\u884c\u7684\u5b57\u8282\u7801\u6307\u4ee4\u5730\u5740\uff1b\u7528\u4e8e\u5b9e\u73b0\u7ebf\u7a0b\u7684\u6062\u590d\u4e0e\u5206\u652f\u63a7\u5236\u3002<\/p>\n<h2><a id=\"%E4%BB%80%E4%B9%88%E6%98%AF%E5%8F%8C%E4%BA%B2%E5%A7%94%E6%B4%BE\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u4ec0\u4e48\u662f\u53cc\u4eb2\u59d4\u6d3e<\/h2>\n<p>\u7b54\uff1a\u53cc\u4eb2\u59d4\u6d3e\u5c5e\u4e8e\u7c7b\u52a0\u8f7d\u5668\u7684\u5de5\u4f5c\u6a21\u5f0f\uff1b\u5f53\u63a5\u6536\u5230\u7c7b\u52a0\u8f7d\u8bf7\u6c42\u65f6\uff1b\u4e0d\u662f\u81ea\u5df1\u5c1d\u8bd5\u52a0\u8f7d\u8fd9\u4e2a\u7c7b\uff0c\u800c\u662f\u5c06\u52a0\u8f7d\u8bf7\u6c42\u4f20\u9012\u7ed9\u5b83\u7684\u7236\u52a0\u8f7d\u5668\u3002\u5982\u679c\u7236\u52a0\u8f7d\u5668\u8fd8\u5b58\u5728\u7236\u52a0\u8f7d\u5668\uff0c\u5219\u7ee7\u7eed\u5411\u4e0a\u59d4\u6258\uff0c\u76f4\u5230\u5230\u8fbe\u6700\u9876\u5c42\u7684\u542f\u52a8\u7c7b\u52a0\u8f7d\u5668\uff08Bootstrap ClassLoader\uff09\u3002\u53ea\u6709\u5f53\u7236\u52a0\u8f7d\u5668\u65e0\u6cd5\u5b8c\u6210\u7c7b\u52a0\u8f7d\u65f6\uff0c\u5f53\u524d\u52a0\u8f7d\u5668\u624d\u4f1a\u5c1d\u8bd5\u52a0\u8f7d\u8be5\u7c7b\u3002<\/p>\n<p>\u4f18\u70b9\uff1a1. \u9632\u6b62\u91cd\u590d\u52a0\u8f7d\uff1b2.\u4fdd\u8bc1\u6838\u5fc3\u7c7b\u5e93\u7684\u5b89\u5168\u6027\uff1b3.\u4fdd\u8bc1\u7a0b\u5e8f\u7684\u7a33\u5b9a\u548c\u5b89\u5168\u6027\u3002<\/p>\n<h2><a id=\"spring%E7%9A%84%E8%87%AA%E5%8A%A8%E8%A3%85%E9%85%8D\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>Spring\u7684\u81ea\u52a8\u88c5\u914d<\/h2>\n<ol>\n<li>\nSpring\u7684\u81ea\u52a8\u88c5\u914d\u662f\u4ec0\u4e48\uff1f<br 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octicon-link\"><\/span><\/a>Spring\u7684ioc\u662f\u600e\u4e48\u5b9e\u73b0\u7684<\/h2>\n<p>\u662f\u901a\u8fc7\u4e00\u4e2a\u79f0\u4e3aApplicationContext\u7684\u5bb9\u5668\u6765\u5b9e\u73b0\u7684\u3002\u5728Spring\u4e2d\uff0c\u5bb9\u5668\u8d1f\u8d23\u521b\u5efa\u548c\u7ba1\u7406\u5bf9\u8c61\uff08\u5373bean\uff09\uff0c\u5e76\u5c06\u8fd9\u4e9b\u5bf9\u8c61\u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\u8fdb\u884c\u89e3\u8026\u3002\u4ee5\u4e0b\u662fSpring IoC\u5b9e\u73b0\u7684\u57fa\u672c\u6b65\u9aa4\uff1a<\/p>\n<ol>\n<li><strong>\u914d\u7f6e\u5143\u6570\u636e<\/strong>\uff1a\u9996\u5148\uff0c\u9700\u8981\u544a\u8bc9Spring\u5bb9\u5668\u5982\u4f55\u521b\u5efa\u548c\u88c5\u914dbean\u3002\u8fd9\u901a\u5e38\u662f\u5728XML\u914d\u7f6e\u6587\u4ef6\u6216\u8005Java\u914d\u7f6e\u7c7b\u4e2d\u5b8c\u6210\u7684\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u6ce8\u89e3\u7684\u65b9\u5f0f\u6765\u58f0\u660ebean\u3002<\/li>\n<li><strong>\u8bfb\u53d6\u914d\u7f6e\u5143\u6570\u636e<\/strong>\uff1a\u5f53\u5e94\u7528\u7a0b\u5e8f\u542f\u52a8\u65f6\uff0cSpring\u5bb9\u5668\u4f1a\u8bfb\u53d6\u914d\u7f6e\u5143\u6570\u636e\uff0c\u5e76\u6839\u636e\u5176\u4e2d\u7684\u4fe1\u606f\u6765\u521b\u5efa\u548c\u521d\u59cb\u5316bean\u3002<\/li>\n<li><strong>\u521b\u5efaBeanFactory<\/strong>\uff1aSpring\u7684\u6838\u5fc3\u63a5\u53e3\u4e4b\u4e00\u662f<code>BeanFactory<\/code>\uff0c\u5b83\u662f\u4e00\u4e2a\u5de5\u5382\uff0c\u53ef\u4ee5\u7528\u6765\u83b7\u53d6\u3001\u521b\u5efa\u548c\u7ba1\u7406bean\u3002Spring\u5bb9\u5668\u5c31\u662f\u57fa\u4e8e<code>BeanFactory<\/code>\u7684\u5b9e\u73b0\u3002<\/li>\n<li><strong>\u5b9e\u4f8b\u5316bean<\/strong>\uff1a\u5bf9\u4e8e\u6bcf\u4e2a\u9700\u8981\u521b\u5efa\u7684bean\uff0cSpring\u5bb9\u5668\u90fd\u4f1a\u8c03\u7528\u5bf9\u5e94\u7684\u6784\u9020\u51fd\u6570\u6216\u9759\u6001\u5de5\u5382\u65b9\u6cd5\u6765\u5b9e\u4f8b\u5316\u8be5bean\u3002<\/li>\n<li><strong>\u5904\u7406\u4f9d\u8d56\u5173\u7cfb<\/strong>\uff1a\u4e00\u65e6\u6240\u6709bean\u90fd\u88ab\u5b9e\u4f8b\u5316\uff0cSpring\u5bb9\u5668\u5c31\u4f1a\u5f00\u59cb\u89e3\u6790\u5b83\u4eec\u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\u3002\u8fd9\u662f\u901a\u8fc7\u53cd\u5c04\u673a\u5236\u6765\u5b9e\u73b0\u7684\uff0cSpring\u4f1a\u68c0\u67e5\u6bcf\u4e2abean\u7684\u5c5e\u6027\u3001\u6784\u9020\u51fd\u6570\u53c2\u6570\u6216setter\u65b9\u6cd5\uff0c\u5982\u679c\u53d1\u73b0\u5b83\u4eec\u88ab\u6807\u8bb0\u4e3a\u81ea\u52a8\u88c5\u914d\uff0c\u90a3\u4e48Spring\u4f1a\u5c1d\u8bd5\u627e\u5230\u4e00\u4e2a\u5339\u914d\u7684bean\u5e76\u6ce8\u5165\u5230\u76ee\u6807\u4f4d\u7f6e\u3002<\/li>\n<li><strong>\u6ce8\u518c\u751f\u547d\u5468\u671f\u56de\u8c03<\/strong>\uff1aSpring\u8fd8\u652f\u6301\u5b9a\u4e49bean\u7684\u751f\u547d\u5468\u671f\u56de\u8c03\u65b9\u6cd5\uff0c\u5982\u521d\u59cb\u5316\u65b9\u6cd5\u548c\u9500\u6bc1\u65b9\u6cd5\u3002\u5728bean\u7684\u751f\u547d\u5468\u671f\u7684\u4e0d\u540c\u9636\u6bb5\uff0cSpring\u4f1a\u8c03\u7528\u8fd9\u4e9b\u65b9\u6cd5\u6765\u6267\u884c\u76f8\u5e94\u7684\u64cd\u4f5c\u3002<\/li>\n<li><strong>\u63d0\u4f9bbean\u7ed9\u5ba2\u6237\u7aef\u4ee3\u7801<\/strong>\uff1a\u6700\u540e\uff0c\u5ba2\u6237\u7aef\u4ee3\u7801\u53ef\u4ee5\u901a\u8fc7\u4ece\u5bb9\u5668\u4e2d\u8bf7\u6c42\u7279\u5b9a\u7684bean\u6765\u83b7\u5f97\u5e76\u4f7f\u7528\u5b83\u4eec\u3002\u7531\u4e8e\u6240\u6709\u7684\u4f9d\u8d56\u5173\u7cfb\u90fd\u5df2\u7ecf\u7531Spring\u5bb9\u5668\u5904\u7406\u597d\u4e86\uff0c\u5ba2\u6237\u7aef\u4ee3\u7801\u65e0\u9700\u77e5\u9053\u5177\u4f53\u7684\u5b9e\u73b0\u7ec6\u8282\u3002<\/li>\n<\/ol>\n<h2><a id=\"aop%E6%98%AF%E6%80%8E%E4%B9%88%E5%AE%9E%E7%8E%B0%E7%9A%84\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>AOP\u662f\u600e\u4e48\u5b9e\u73b0\u7684<\/h2>\n<p>\u5b83\u5141\u8bb8\u5f00\u53d1\u8005\u5c06\u6a2a\u5207\u5173\u6ce8\u70b9\uff08\u5982\u65e5\u5fd7\u3001\u4e8b\u52a1\u7ba1\u7406\u3001\u5b89\u5168\u68c0\u67e5\u7b49\uff09\u4e0e\u4e1a\u52a1\u903b\u8f91\u5206\u79bb\uff0c\u4ece\u800c\u5b9e\u73b0\u4ee3\u7801\u7684\u6a21\u5757\u5316\u548c\u590d\u7528\u3002Spring\u6846\u67b6\u63d0\u4f9b\u4e86\u5bf9AOP\u7684\u652f\u6301\uff0c\u4ee5\u4e0b\u7b80\u8981\u4ecb\u7ecdSpring AOP\u7684\u57fa\u672c\u5b9e\u73b0\u539f\u7406\uff1a<\/p>\n<ol>\n<li><strong>\u4ee3\u7406\u6a21\u5f0f<\/strong>\uff1aSpring 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aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u4f60\u5b66\u4e60\u8fc7\u7684\u8bbe\u8ba1\u6a21\u5f0f\u6709\u54ea\u4e9b<\/h2>\n<p>\u5355\u4f8b\u6a21\u5f0f\u3001\u5de5\u5382\u6a21\u5f0f\u3001\u5efa\u9020\u8005\u6a21\u5f0f\u3001\u4ee3\u7406\u6a21\u5f0f\u3001\u9002\u914d\u5668\u6a21\u5f0f\u3001\u88c5\u9970\u5668\u6a21\u5f0f<\/p>\n<ol>\n<li><strong>\u5355\u4f8b\u6a21\u5f0f\uff08Singleton Pattern\uff09<\/strong>\uff1a\n<ul>\n<li>\u76ee\u7684\uff1a\u786e\u4fdd\u4e00\u4e2a\u7c7b\u53ea\u6709\u4e00\u4e2a\u5b9e\u4f8b\uff0c\u5e76\u63d0\u4f9b\u5168\u5c40\u8bbf\u95ee\u70b9\u3002<\/li>\n<li>\u5b9e\u73b0\uff1a\u901a\u8fc7\u5c06\u6784\u9020\u51fd\u6570\u8bbe\u4e3a\u79c1\u6709\uff0c\u5e76\u63d0\u4f9b\u4e00\u4e2a\u9759\u6001\u65b9\u6cd5\u6765\u83b7\u53d6\u552f\u4e00\u7684\u5b9e\u4f8b\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5de5\u5382\u6a21\u5f0f\uff08Factory 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id=\"%E4%B8%BA%E4%BB%80%E4%B9%88%E7%B4%A2%E5%BC%95%E5%8F%AF%E4%BB%A5%E6%8F%90%E9%AB%98%E6%9F%A5%E8%AF%A2%E6%95%88%E7%8E%87\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u4e3a\u4ec0\u4e48\u7d22\u5f15\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8be2\u6548\u7387<\/h2>\n<h2><a id=\"redis%E5%A6%82%E4%BD%95%E5%AE%9E%E7%8E%B0%E6%8C%81%E4%B9%85%E5%8C%96%E5%AD%98%E5%82%A8\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>Redis\u5982\u4f55\u5b9e\u73b0\u6301\u4e45\u5316\u5b58\u50a8<\/h2>\n<h2><a id=\"%E6%9C%89%E5%BA%8F%E6%95%B0%E5%88%97%E5%A6%82%E4%BD%95%E6%9F%A5%E8%AF%A2%E4%B8%80%E4%B8%AA%E5%85%83%E7%B4%A0%E7%9A%84%E4%BD%8D%E7%BD%AE\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u6709\u5e8f\u6570\u5217\u5982\u4f55\u67e5\u8be2\u4e00\u4e2a\u5143\u7d20\u7684\u4f4d\u7f6e<\/h2>\n<h2><a 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