{"id":12174,"date":"2023-11-28T22:45:50","date_gmt":"2023-11-28T14:45:50","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=12174"},"modified":"2023-12-11T15:40:46","modified_gmt":"2023-12-11T07:40:46","slug":"spring-zhong-springbeans-shi-shen-me","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/spring-zhong-springbeans-shi-shen-me\/","title":{"rendered":"Spring \u4e2d SpringBeans \u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"

\u5728Spring\u6846\u67b6\u4e2d\uff0cSpring Beans\uff08Spring Bean\uff09\u6307\u7684\u662f\u7531Spring\u5bb9\u5668\u7ba1\u7406\u7684\u5bf9\u8c61\u5b9e\u4f8b\u3002Spring\u5bb9\u5668\u8d1f\u8d23\u521b\u5efa\u3001\u914d\u7f6e\u548c\u7ba1\u7406\u8fd9\u4e9bBean\u5bf9\u8c61\uff0c\u4f7f\u5f97\u5f00\u53d1\u8005\u53ef\u4ee5\u901a\u8fc7\u5bb9\u5668\u6765\u7ba1\u7406\u5e94\u7528\u7a0b\u5e8f\u7684\u7ec4\u4ef6\uff0c\u5b9e\u73b0\u677e\u8026\u5408\u3001\u7075\u6d3b\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n

Spring\u4e2d\u7684Bean\u662f\u6307\u4efb\u4f55\u7531Spring\u5bb9\u5668\u7ba1\u7406\u7684\u5bf9\u8c61\uff0c\u800c\u4e0d\u4ec5\u4ec5\u662fJava\u7c7b\u7684\u5b9e\u4f8b\u3002Spring\u5bb9\u5668\u901a\u8fc7Bean\u5b9a\u4e49\uff08Bean Definition\uff09\u6765\u4e86\u89e3\u5982\u4f55\u521b\u5efa\u548c\u914d\u7f6eBean\u3002Bean\u5b9a\u4e49\u5305\u62ecBean\u7684\u7c7b\u540d\u3001\u4f5c\u7528\u57df\u3001\u751f\u547d\u5468\u671f\u56de\u8c03\u65b9\u6cd5\u7b49\u4fe1\u606f\u3002\u5f00\u53d1\u8005\u53ef\u4ee5\u901a\u8fc7XML\u914d\u7f6e\u6587\u4ef6\u3001Java\u6ce8\u89e3\u6216\u8005Java\u914d\u7f6e\u7c7b\u6765\u5b9a\u4e49Bean\u3002<\/p>\n

\u4ee5\u4e0b\u662fSpring Beans\u7684\u4e00\u4e9b\u91cd\u8981\u6982\u5ff5\u548c\u7279\u6027\uff1a<\/p>\n

    \n
  1. \nBean\u5b9a\u4e49\uff08Bean Definition\uff09\uff1a<\/strong><\/p>\n
      \n
    • Bean\u5b9a\u4e49\u662f\u63cf\u8ff0Bean\u7684\u5143\u6570\u636e\uff0c\u5305\u62ecBean\u7684\u7c7b\u540d\u3001\u4f5c\u7528\u57df\u3001\u6784\u9020\u51fd\u6570\u53c2\u6570\u3001\u5c5e\u6027\u503c\u3001\u521d\u59cb\u5316\u65b9\u6cd5\u3001\u9500\u6bc1\u65b9\u6cd5\u7b49\u3002\u5728Spring\u5bb9\u5668\u4e2d\uff0cBean\u5b9a\u4e49\u7528\u4e8e\u521b\u5efa\u548c\u914d\u7f6eBean\u7684\u5b9e\u4f8b\u3002<\/li>\n<\/ul>\n<\/li>\n
    • \nBean\u7684\u4f5c\u7528\u57df\uff08Scope\uff09\uff1a<\/strong><\/p>\n
        \n
      • Bean\u7684\u4f5c\u7528\u57df\u5b9a\u4e49\u4e86Bean\u7684\u751f\u547d\u5468\u671f\u548c\u53ef\u89c1\u6027\u3002Spring\u652f\u6301\u591a\u79cd\u4f5c\u7528\u57df\uff0c\u5305\u62ec\u5355\u4f8b\uff08Singleton\uff09\u3001\u539f\u578b\uff08Prototype\uff09\u3001\u8bf7\u6c42\uff08Request\uff09\u3001\u4f1a\u8bdd\uff08Session\uff09\u7b49\u3002\u9ed8\u8ba4\u4f5c\u7528\u57df\u662f\u5355\u4f8b\uff0c\u5373\u6bcf\u4e2a\u5bb9\u5668\u4e2d\u53ea\u6709\u4e00\u4e2aBean\u5b9e\u4f8b\u3002<\/li>\n<\/ul>\n<\/li>\n
      • \nBean\u7684\u751f\u547d\u5468\u671f\uff08Lifecycle\uff09\uff1a<\/strong><\/p>\n
          \n
        • Bean\u7684\u751f\u547d\u5468\u671f\u5305\u62ec\u5b9e\u4f8b\u5316\u3001\u5c5e\u6027\u6ce8\u5165\u3001\u521d\u59cb\u5316\u3001\u4f7f\u7528\u548c\u9500\u6bc1\u7b49\u9636\u6bb5\u3002Spring\u5bb9\u5668\u901a\u8fc7Bean\u7684\u751f\u547d\u5468\u671f\u56de\u8c03\u65b9\u6cd5\u6765\u8fdb\u884c\u7ba1\u7406\uff0c\u4e3b\u8981\u5305\u62ecafterPropertiesSet<\/code>\u548cdestroy<\/code>\u7b49\u65b9\u6cd5\u3002\u5f00\u53d1\u8005\u53ef\u4ee5\u901a\u8fc7\u5b9e\u73b0InitializingBean<\/code>\u548cDisposableBean<\/code>\u63a5\u53e3\uff0c\u6216\u8005\u901a\u8fc7\u914d\u7f6einit-method<\/code>\u548cdestroy-method<\/code>\u6765\u5b9a\u4e49\u521d\u59cb\u5316\u548c\u9500\u6bc1\u65b9\u6cd5\u3002<\/li>\n<\/ul>\n<\/li>\n
        • \nBean\u7684\u4f9d\u8d56\u6ce8\u5165\uff08Dependency Injection\uff09\uff1a<\/strong><\/p>\n
            \n
          • \u4f9d\u8d56\u6ce8\u5165\u662fSpring\u7684\u6838\u5fc3\u7279\u6027\u4e4b\u4e00\uff0c\u5b83\u901a\u8fc7\u5c06Bean\u7684\u4f9d\u8d56\u5173\u7cfb\u4ece\u4ee3\u7801\u4e2d\u89e3\u8026\uff0c\u5b9e\u73b0\u4e86\u677e\u8026\u5408\u3002Spring\u5bb9\u5668\u8d1f\u8d23\u5c06\u4f9d\u8d56\u5173\u7cfb\u6ce8\u5165\u5230Bean\u4e2d\uff0c\u652f\u6301\u6784\u9020\u5668\u6ce8\u5165\u3001\u5c5e\u6027\u6ce8\u5165\u548c\u65b9\u6cd5\u6ce8\u5165\u7b49\u65b9\u5f0f\u3002<\/li>\n<\/ul>\n<\/li>\n
          • \nBean\u7684\u547d\u540d\uff08Bean Name\uff09\uff1a<\/strong><\/p>\n
              \n
            • Bean\u5728\u5bb9\u5668\u4e2d\u6ce8\u518c\u65f6\uff0c\u9700\u8981\u5206\u914d\u4e00\u4e2a\u552f\u4e00\u7684\u540d\u79f0\uff0c\u5373Bean\u7684\u540d\u5b57\u3002Bean\u7684\u540d\u5b57\u53ef\u4ee5\u901a\u8fc7id<\/code>\u5c5e\u6027\u6216name<\/code>\u5c5e\u6027\u6765\u6307\u5b9a\uff0c\u4e5f\u53ef\u4ee5\u7531\u5bb9\u5668\u81ea\u52a8\u751f\u6210\u3002Bean\u7684\u540d\u5b57\u5728\u5bb9\u5668\u4e2d\u5177\u6709\u552f\u4e00\u6027\uff0c\u7528\u4e8e\u5728\u5bb9\u5668\u4e2d\u67e5\u627e\u548c\u5f15\u7528Bean\u3002<\/li>\n<\/ul>\n<\/li>\n
            • \nBean\u7684\u5f15\u7528\uff08Bean Reference\uff09\uff1a<\/strong><\/p>\n
                \n
              • \u4e00\u4e2aBean\u53ef\u4ee5\u5f15\u7528\u53e6\u4e00\u4e2aBean\uff0c\u901a\u8fc7\u5f15\u7528\u53ef\u4ee5\u5b9e\u73b0Bean\u4e4b\u95f4\u7684\u534f\u4f5c\u548c\u7ec4\u5408\u3002\u5f15\u7528\u53ef\u4ee5\u901a\u8fc7\u6784\u9020\u5668\u6ce8\u5165\u3001\u5c5e\u6027\u6ce8\u5165\u6216\u65b9\u6cd5\u6ce8\u5165\u6765\u5b9e\u73b0\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n

                Spring Beans\u662fSpring\u6846\u67b6\u7684\u6838\u5fc3\u7ec4\u4ef6\u4e4b\u4e00\uff0c\u901a\u8fc7\u5b83\uff0cSpring\u5b9e\u73b0\u4e86\u63a7\u5236\u53cd\u8f6c\uff08IoC\uff09\u548c\u9762\u5411\u5207\u9762\u7f16\u7a0b\uff08AOP\uff09\u7b49\u7279\u6027\uff0c\u4f7f\u5f97\u5e94\u7528\u7a0b\u5e8f\u7684\u7ec4\u4ef6\u80fd\u591f\u66f4\u52a0\u7075\u6d3b\u3001\u53ef\u7ef4\u62a4\u548c\u53ef\u6d4b\u8bd5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

                \u5728Spring\u6846\u67b6\u4e2d\uff0cSpring Beans\uff08Spring Bean\uff09\u6307\u7684\u662f\u7531Spring\u5bb9\u5668\u7ba1\u7406\u7684\u5bf9\u8c61\u5b9e\u4f8b […]<\/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-12174","post","type-post","status-publish","format-standard","hentry","category-spring"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/12174","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=12174"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/12174\/revisions"}],"predecessor-version":[{"id":47864,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/12174\/revisions\/47864"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=12174"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=12174"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=12174"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}