{"id":11692,"date":"2023-11-28T22:30:51","date_gmt":"2023-11-28T14:30:51","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=11692"},"modified":"2023-12-11T13:59:20","modified_gmt":"2023-12-11T05:59:20","slug":"spring-zhong-na-xie-shi-zui-zhong-yao-debean-sheng","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/spring-zhong-na-xie-shi-zui-zhong-yao-debean-sheng\/","title":{"rendered":"Spring\u4e2d\u54ea\u4e9b\u662f\u6700\u91cd\u8981\u7684bean\u751f\u547d\u5468\u671f\u65b9\u6cd5\uff0c\u662f\u5426\u80fd\u91cd\u5199\u5b83\u4eec\uff1f"},"content":{"rendered":"

\u5728Spring\u4e2d\uff0cBean\u7684\u751f\u547d\u5468\u671f\u53ef\u4ee5\u901a\u8fc7\u5b9e\u73b0org.springframework.beans.factory.InitializingBean<\/code>\u548corg.springframework.beans.factory.DisposableBean<\/code>\u63a5\u53e3\uff0c\u6216\u8005\u901a\u8fc7\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u6307\u5b9ainit-method<\/code>\u548cdestroy-method<\/code>\u6765\u8fdb\u884c\u7ba1\u7406\u3002\u4ee5\u4e0b\u662f\u6700\u91cd\u8981\u7684\u751f\u547d\u5468\u671f\u65b9\u6cd5\uff1a<\/p>\n

    \n
  1. \nInitializingBean\u63a5\u53e3\u7684afterPropertiesSet<\/code>\u65b9\u6cd5\uff1a<\/strong><\/p>\n
      \n
    • afterPropertiesSet<\/code>\u65b9\u6cd5\u5728Bean\u7684\u6240\u6709\u5c5e\u6027\u88ab\u8bbe\u7f6e\u4e4b\u540e\u3001\u521d\u59cb\u5316\u4e4b\u524d\u88ab\u8c03\u7528\u3002\u901a\u8fc7\u5b9e\u73b0InitializingBean<\/code>\u63a5\u53e3\uff0c\u53ef\u4ee5\u5728Bean\u521d\u59cb\u5316\u8fc7\u7a0b\u4e2d\u6267\u884c\u4e00\u4e9b\u81ea\u5b9a\u4e49\u7684\u521d\u59cb\u5316\u903b\u8f91\u3002<\/li>\n<\/ul>\n
      import org.springframework.beans.factory.InitializingBean;\n\npublic class MyBean implements InitializingBean {\n    @Override\n    public void afterPropertiesSet() throws Exception {\n        \/\/ \u521d\u59cb\u5316\u903b\u8f91\n    }\n}\n<\/code><\/pre>\n<\/li>\n
    • \n@PostConstruct\u6ce8\u89e3\uff1a<\/strong><\/p>\n
        \n
      • \u4f7f\u7528@PostConstruct<\/code>\u6ce8\u89e3\u6807\u6ce8\u7684\u65b9\u6cd5\u4f1a\u5728Bean\u7684\u521d\u59cb\u5316\u9636\u6bb5\u8c03\u7528\u3002\u4e0eafterPropertiesSet<\/code>\u76f8\u4f3c\uff0c\u53ef\u7528\u4e8e\u5b9a\u4e49\u521d\u59cb\u5316\u903b\u8f91\u3002<\/li>\n<\/ul>\n
        import javax.annotation.PostConstruct;\n\npublic class MyBean {\n    @PostConstruct\n    public void init() {\n        \/\/ \u521d\u59cb\u5316\u903b\u8f91\n    }\n}\n<\/code><\/pre>\n<\/li>\n
      • \nDisposableBean\u63a5\u53e3\u7684destroy<\/code>\u65b9\u6cd5\uff1a<\/strong><\/p>\n
          \n
        • destroy<\/code>\u65b9\u6cd5\u5728Bean\u9500\u6bc1\u4e4b\u524d\u88ab\u8c03\u7528\u3002\u901a\u8fc7\u5b9e\u73b0DisposableBean<\/code>\u63a5\u53e3\uff0c\u53ef\u4ee5\u5728Bean\u9500\u6bc1\u8fc7\u7a0b\u4e2d\u6267\u884c\u4e00\u4e9b\u81ea\u5b9a\u4e49\u7684\u6e05\u7406\u903b\u8f91\u3002<\/li>\n<\/ul>\n
          import org.springframework.beans.factory.DisposableBean;\n\npublic class MyBean implements DisposableBean {\n    @Override\n    public void destroy() throws Exception {\n        \/\/ \u9500\u6bc1\u903b\u8f91\n    }\n}\n<\/code><\/pre>\n<\/li>\n
        • \n@PreDestroy\u6ce8\u89e3\uff1a<\/strong><\/p>\n
            \n
          • \u4f7f\u7528@PreDestroy<\/code>\u6ce8\u89e3\u6807\u6ce8\u7684\u65b9\u6cd5\u4f1a\u5728Bean\u9500\u6bc1\u9636\u6bb5\u8c03\u7528\u3002\u4e0edestroy<\/code>\u76f8\u4f3c\uff0c\u53ef\u7528\u4e8e\u5b9a\u4e49\u9500\u6bc1\u903b\u8f91\u3002<\/li>\n<\/ul>\n
            import javax.annotation.PreDestroy;\n\npublic class MyBean {\n    @PreDestroy\n    public void cleanup() {\n        \/\/ \u9500\u6bc1\u903b\u8f91\n    }\n}\n<\/code><\/pre>\n<\/li>\n<\/ol>\n
            \u8fd9\u4e9b\u751f\u547d\u5468\u671f\u65b9\u6cd5\u63d0\u4f9b\u4e86\u5728Bean\u7684\u4e0d\u540c\u751f\u547d\u5468\u671f\u9636\u6bb5\u6267\u884c\u81ea\u5b9a\u4e49\u903b\u8f91\u7684\u673a\u4f1a\u3002\u5728\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\u65f6\uff0c\u53ef\u4ee5\u9009\u62e9\u5b9e\u73b0\u63a5\u53e3\u6216\u4f7f\u7528\u6ce8\u89e3\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u4e2a\u4eba\u6216\u56e2\u961f\u7684\u504f\u597d\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u63a8\u8350\u4f7f\u7528@PostConstruct<\/code>\u548c@PreDestroy<\/code>\u6ce8\u89e3\uff0c\u56e0\u4e3a\u5b83\u4eec\u66f4\u6e05\u6670\uff0c\u5e76\u4e14\u4e0d\u4f9d\u8d56\u4e8eSpring\u6846\u67b6\u7684\u63a5\u53e3\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
            \u5728Spring\u4e2d\uff0cBean\u7684\u751f\u547d\u5468\u671f\u53ef\u4ee5\u901a\u8fc7\u5b9e\u73b0org.springframework.beans.facto […]<\/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-11692","post","type-post","status-publish","format-standard","hentry","category-spring"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11692","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=11692"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11692\/revisions"}],"predecessor-version":[{"id":32737,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11692\/revisions\/32737"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=11692"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=11692"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=11692"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}