{"id":11991,"date":"2023-11-28T22:39:43","date_gmt":"2023-11-28T14:39:43","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=11991"},"modified":"2023-12-11T14:56:15","modified_gmt":"2023-12-11T06:56:15","slug":"spring-zhongspringbeans-le-jie-ma","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/spring-zhongspringbeans-le-jie-ma\/","title":{"rendered":"Spring\u4e2dSpringBeans\u4e86\u89e3\u5417\uff1f"},"content":{"rendered":"

\u5728Spring\u6846\u67b6\u4e2d\uff0c\u672f\u8bed "Spring Beans" \u901a\u5e38\u7528\u6765\u6307\u4ee3\u7531Spring IoC\u5bb9\u5668\u7ba1\u7406\u7684\u5bf9\u8c61\u5b9e\u4f8b\u3002\u5728\u8fd9\u91cc\uff0c"Bean" \u662f\u6307\u7531Spring IoC\u5bb9\u5668\u521b\u5efa\u3001\u88c5\u914d\u548c\u7ba1\u7406\u7684\u5bf9\u8c61\u3002<\/p>\n

Spring Beans \u5177\u6709\u4ee5\u4e0b\u7279\u5f81\uff1a<\/p>\n

    \n
  1. \n\u7531\u5bb9\u5668\u7ba1\u7406\uff1a<\/strong> Spring IoC\u5bb9\u5668\u8d1f\u8d23\u521b\u5efa\u548c\u7ba1\u7406\u8fd9\u4e9b\u5bf9\u8c61\u7684\u751f\u547d\u5468\u671f\u3002Bean\u7684\u521b\u5efa\u3001\u521d\u59cb\u5316\u3001\u4f7f\u7528\u548c\u9500\u6bc1\u90fd\u7531Spring\u5bb9\u5668\u63a7\u5236\u3002\n<\/li>\n
  2. \n\u58f0\u660e\u6027\u914d\u7f6e\uff1a<\/strong> Spring Beans \u53ef\u4ee5\u901a\u8fc7XML\u914d\u7f6e\u6587\u4ef6\u3001Java\u914d\u7f6e\u7c7b\u6216\u6ce8\u89e3\u8fdb\u884c\u58f0\u660e\u6027\u914d\u7f6e\u3002\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u901a\u8fc7\u914d\u7f6e\u6587\u4ef6\u6216\u4ee3\u7801\u544a\u8bc9Spring\u5bb9\u5668\u5982\u4f55\u521b\u5efa\u548c\u7ec4\u88c5\u8fd9\u4e9b\u5bf9\u8c61\u3002\n<\/li>\n
  3. \n\u4f9d\u8d56\u6ce8\u5165\uff1a<\/strong> Spring Beans \u901a\u5e38\u901a\u8fc7\u4f9d\u8d56\u6ce8\u5165\uff08Dependency Injection\uff09\u6765\u83b7\u5f97\u5b83\u4eec\u6240\u9700\u7684\u5176\u4ed6Bean\u3002\u8fd9\u4f7f\u5f97\u5bf9\u8c61\u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\u53d8\u5f97\u677e\u6563\u8026\u5408\uff0c\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u7075\u6d3b\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002\n<\/li>\n
  4. \n\u4f5c\u7528\u57df\u63a7\u5236\uff1a<\/strong> Spring Beans \u53ef\u4ee5\u5177\u6709\u4e0d\u540c\u7684\u4f5c\u7528\u57df\uff0c\u5982\u5355\u4f8b\uff08Singleton\uff09\u3001\u539f\u578b\uff08Prototype\uff09\u3001\u8bf7\u6c42\uff08Request\uff09\u3001\u4f1a\u8bdd\uff08Session\uff09\u7b49\uff0c\u7528\u4e8e\u63a7\u5236\u5bf9\u8c61\u7684\u751f\u547d\u5468\u671f\u548c\u53ef\u89c1\u6027\u3002\n<\/li>\n
  5. \n\u751f\u547d\u5468\u671f\u7ba1\u7406\uff1a<\/strong> Spring\u5bb9\u5668\u53ef\u4ee5\u7ba1\u7406Bean\u7684\u751f\u547d\u5468\u671f\uff0c\u901a\u8fc7\u56de\u8c03\u65b9\u6cd5\uff08\u5982\u521d\u59cb\u5316\u65b9\u6cd5\u548c\u9500\u6bc1\u65b9\u6cd5\uff09\u6765\u6267\u884c\u4e00\u4e9b\u989d\u5916\u7684\u903b\u8f91\u3002\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u5b9e\u73b0InitializingBean<\/code>\u548cDisposableBean<\/code>\u63a5\u53e3\uff0c\u6216\u8005\u4f7f\u7528@PostConstruct<\/code>\u548c@PreDestroy<\/code>\u6ce8\u89e3\u6765\u5b9a\u4e49\u521d\u59cb\u5316\u548c\u9500\u6bc1\u65b9\u6cd5\u3002\n<\/li>\n<\/ol>\n

    \u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684Spring Beans\u7684\u793a\u4f8b\uff0c\u901a\u8fc7XML\u914d\u7f6e\u7684\u65b9\u5f0f\uff1a<\/p>\n

    <!-- \u5b9a\u4e49\u4e00\u4e2a\u7b80\u5355\u7684Bean -->\n<bean id="myBean" class="com.example.MyBean">\n    <property name="message" value="Hello, Spring Beans!" \/>\n<\/bean>\n<\/code><\/pre>\n
    \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cmyBean<\/code> \u662f\u4e00\u4e2a\u7531Spring\u5bb9\u5668\u7ba1\u7406\u7684Bean\uff0c\u5b83\u662f\u7c7b com.example.MyBean<\/code> \u7684\u4e00\u4e2a\u5b9e\u4f8b\uff0c\u5176\u4e2d\u7684 message<\/code> \u5c5e\u6027\u88ab\u8bbe\u7f6e\u4e3a "Hello, Spring Beans!"\u3002<\/p>\n
    Spring Beans \u662fSpring\u6846\u67b6\u7684\u6838\u5fc3\u6982\u5ff5\u4e4b\u4e00\uff0c\u5b83\u4eec\u7684\u4f7f\u7528\u6709\u52a9\u4e8e\u5b9e\u73b0\u677e\u6563\u8026\u5408\u3001\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u6d4b\u8bd5\u6027\uff0c\u63d0\u4f9b\u4e86\u4e00\u79cd\u7075\u6d3b\u4e14\u53ef\u6269\u5c55\u7684\u5f00\u53d1\u65b9\u5f0f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u5728Spring\u6846\u67b6\u4e2d\uff0c\u672f\u8bed "Spring Beans" \u901a\u5e38\u7528\u6765\u6307\u4ee3\u7531Spring Io […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[121],"tags":[],"class_list":["post-11991","post","type-post","status-publish","format-standard","hentry","category-spring"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11991","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\/9"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=11991"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11991\/revisions"}],"predecessor-version":[{"id":42334,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11991\/revisions\/42334"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=11991"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=11991"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=11991"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}