{"id":12255,"date":"2023-11-28T22:48:36","date_gmt":"2023-11-28T14:48:36","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=12255"},"modified":"2023-12-11T16:11:45","modified_gmt":"2023-12-11T08:11:45","slug":"spring-zhong-debean-sheng-ming-zhou-qi-2","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/spring-zhong-debean-sheng-ming-zhou-qi-2\/","title":{"rendered":"Spring\u4e2d\u7684bean\u751f\u547d\u5468\u671f\uff1f"},"content":{"rendered":"

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  1. \n\u5b9e\u4f8b\u5316\uff08Instantiation\uff09\uff1a<\/strong><\/p>\n
      \n
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    • \n\u5c5e\u6027\u8bbe\u7f6e\uff08Population\uff09\uff1a<\/strong><\/p>\n
        \n
      • \u5bb9\u5668\u5c06Bean\u7684\u5c5e\u6027\u6ce8\u5165\uff08\u4f9d\u8d56\u6ce8\u5165\uff09\u5230\u76f8\u5e94\u7684\u503c\uff0c\u5305\u62ec\u57fa\u672c\u7c7b\u578b\u3001\u5f15\u7528\u7c7b\u578b\u7b49\u3002<\/li>\n<\/ul>\n<\/li>\n
      • \n\u521d\u59cb\u5316\u65b9\u6cd5\u8c03\u7528\uff08Initialization\uff09\uff1a<\/strong><\/p>\n
          \n
        • \u5982\u679cBean\u5b9e\u73b0\u4e86org.springframework.beans.factory.InitializingBean<\/code>\u63a5\u53e3\uff0c\u6216\u8005\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u901a\u8fc7init-method<\/code>\u5c5e\u6027\u6307\u5b9a\u4e86\u521d\u59cb\u5316\u65b9\u6cd5\uff0c\u5bb9\u5668\u5c06\u8c03\u7528\u8fd9\u4e2a\u65b9\u6cd5\u3002\u53e6\u5916\uff0c\u4f7f\u7528@PostConstruct<\/code>\u6ce8\u89e3\u4e5f\u80fd\u6807\u8bb0\u4e00\u4e2a\u65b9\u6cd5\u4f5c\u4e3a\u521d\u59cb\u5316\u65b9\u6cd5\u3002<\/li>\n<\/ul>\n<\/li>\n
        • \nBean\u53ef\u4ee5\u4f7f\u7528\uff08In Use\uff09\uff1a<\/strong><\/p>\n
            \n
          • Bean\u5b9e\u4f8b\u5316\u5e76\u521d\u59cb\u5316\u5b8c\u6210\u540e\uff0c\u53ef\u4ee5\u88ab\u5e94\u7528\u7a0b\u5e8f\u4f7f\u7528\u3002<\/li>\n<\/ul>\n<\/li>\n
          • \n\u9500\u6bc1\u65b9\u6cd5\u8c03\u7528\uff08Destruction\uff09\uff1a<\/strong><\/p>\n
              \n
            • \u5982\u679cBean\u5b9e\u73b0\u4e86org.springframework.beans.factory.DisposableBean<\/code>\u63a5\u53e3\uff0c\u6216\u8005\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u901a\u8fc7destroy-method<\/code>\u5c5e\u6027\u6307\u5b9a\u4e86\u9500\u6bc1\u65b9\u6cd5\uff0c\u5bb9\u5668\u5c06\u5728Bean\u4e0d\u518d\u9700\u8981\u65f6\u8c03\u7528\u8fd9\u4e2a\u65b9\u6cd5\u3002\u53e6\u5916\uff0c\u4f7f\u7528@PreDestroy<\/code>\u6ce8\u89e3\u4e5f\u80fd\u6807\u8bb0\u4e00\u4e2a\u65b9\u6cd5\u4f5c\u4e3a\u9500\u6bc1\u65b9\u6cd5\u3002<\/li>\n<\/ul>\n<\/li>\n
            • \n\u5783\u573e\u56de\u6536\uff08Disposal\uff09\uff1a<\/strong><\/p>\n
                \n
              • \u5982\u679cBean\u5b9e\u73b0\u4e86java.lang.AutoCloseable<\/code>\u63a5\u53e3\u6216java.io.Closeable<\/code>\u63a5\u53e3\uff0cSpring\u5bb9\u5668\u5728Bean\u9500\u6bc1\u65f6\u4f1a\u81ea\u52a8\u8c03\u7528close()<\/code>\u65b9\u6cd5\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n

                \u603b\u7684\u6765\u8bf4\uff0cBean\u7684\u751f\u547d\u5468\u671f\u662f\u4ece\u5b9e\u4f8b\u5316\u3001\u5c5e\u6027\u8bbe\u7f6e\u3001\u521d\u59cb\u5316\u65b9\u6cd5\u8c03\u7528\uff0c\u5230Bean\u53ef\u4ee5\u88ab\u5e94\u7528\u7a0b\u5e8f\u4f7f\u7528\uff0c\u518d\u5230\u9500\u6bc1\u65b9\u6cd5\u8c03\u7528\u548c\u5783\u573e\u56de\u6536\u3002\u5728\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\uff0cSpring\u5bb9\u5668\u8d1f\u8d23\u7ba1\u7406Bean\u7684\u5404\u4e2a\u751f\u547d\u5468\u671f\u9636\u6bb5\uff0c\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u901a\u8fc7\u5b9e\u73b0\u76f8\u5e94\u7684\u63a5\u53e3\u6216\u914d\u7f6e\u76f8\u5e94\u7684\u65b9\u6cd5\uff0c\u6765\u81ea\u5b9a\u4e49Bean\u7684\u521d\u59cb\u5316\u548c\u9500\u6bc1\u884c\u4e3a\u3002\u8fd9\u79cd\u751f\u547d\u5468\u671f\u7ba1\u7406\u7684\u673a\u5236\u4f7f\u5f97Spring\u5e94\u7528\u7a0b\u5e8f\u66f4\u52a0\u7075\u6d3b\u548c\u53ef\u7ef4\u62a4\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

                \u5728Spring\u4e2d\uff0cBean\u7684\u751f\u547d\u5468\u671f\u53ef\u4ee5\u5206\u4e3a\u4ee5\u4e0b\u9636\u6bb5\uff1a \u5b9e\u4f8b\u5316\uff08Instantiation\uff09\uff1a \u5bb9\u5668\u6839\u636e\u914d\u7f6e\u4fe1 […]<\/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-12255","post","type-post","status-publish","format-standard","hentry","category-spring"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/12255","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=12255"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/12255\/revisions"}],"predecessor-version":[{"id":47874,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/12255\/revisions\/47874"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=12255"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=12255"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=12255"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}