{"id":203701,"date":"2025-05-22T10:16:58","date_gmt":"2025-05-22T02:16:58","guid":{"rendered":"https:\/\/server.hk\/cnblog\/203701\/"},"modified":"2025-05-22T10:16:58","modified_gmt":"2025-05-22T02:16:58","slug":"spring%e4%b8%adfactorybean%e4%b8%8e%e7%9b%b4%e6%8e%a5%e5%88%9b%e5%bb%babean%e7%9a%84%e5%8c%ba%e5%88%ab%ef%bc%9a%e5%ae%83%e4%bb%ac%e5%a6%82%e4%bd%95%e5%88%9b%e5%bb%ba%e5%92%8c%e7%ae%a1%e7%90%86bean","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/203701\/","title":{"rendered":"Spring\u4e2dFactoryBean\u4e0e\u76f4\u63a5\u521b\u5efaBean\u7684\u533a\u522b\uff1a\u5b83\u4eec\u5982\u4f55\u521b\u5efa\u548c\u7ba1\u7406Bean\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

Spring\u4e2dFactoryBean\u4e0e\u76f4\u63a5\u521b\u5efaBean\u7684\u533a\u522b\uff1a\u5b83\u4eec\u5982\u4f55\u521b\u5efa\u548c\u7ba1\u7406Bean\uff1f<\/h1>\n

\u5b66\u4e60\u77e5\u8bc6\u8981\u5584\u4e8e\u601d\u8003\uff0c\u601d\u8003\uff0c\u518d\u601d\u8003\uff01\u4eca\u5929\u5c0f\u7f16\u5c31\u7ed9\u5927\u5bb6\u5e26\u6765\u300aSpring\u4e2dFactoryBean\u4e0e\u76f4\u63a5\u521b\u5efaBean\u7684\u533a\u522b\uff1a\u5b83\u4eec\u5982\u4f55\u521b\u5efa\u548c\u7ba1\u7406Bean\uff1f\u300b<\/span>\uff0c\u4ee5\u4e0b\u5185\u5bb9\u4e3b\u8981\u5305\u542b<\/span>\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60\u6216\u51c6\u5907\u5b66\u4e60\u6587\u7ae0<\/span>\uff0c\u5c31\u90fd\u4e0d\u8981\u9519\u8fc7\u672c\u6587\u5566~\u8ba9\u6211\u4eec\u4e00\u8d77\u6765\u770b\u770b\u5427\uff0c\u80fd\u5e2e\u52a9\u5230\u4f60\u5c31\u66f4\u597d\u4e86\uff01<\/span><\/p>\n

<\/p>\n

Spring FactoryBean\u4e0e\u521b\u5efaBean\u7684\u533a\u522b<\/strong><\/p>\n

\u5728Spring\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7FactoryBean\u6765\u521b\u5efaBean\uff0c\u4e0e\u76f4\u63a5\u521b\u5efaBean\uff08\u4f8b\u5982A b = new B();)\u5b58\u5728\u4e00\u4e9b\u533a\u522b\u3002<\/p>\n

FactoryBean<\/strong><\/p>\n

FactoryBean\u662f\u4e00\u4e2a\u7279\u6b8a\u7684Bean\uff0c\u5b83\u8d1f\u8d23\u521b\u5efa\u548c\u7ba1\u7406\u5176\u4ed6Bean\u3002\u5f53\u6ce8\u5165FactoryBean\u65f6\uff0c\u4f60\u5b9e\u9645\u4e0a\u6ce8\u5165\u7684\u662fFactoryBean\u63d0\u4f9b\u7684Bean\uff0c\u800c\u4e0d\u662fFactoryBean\u672c\u8eab\u3002<\/p>\n

\u5b9e\u73b0\u539f\u7406<\/strong><\/p>\n

FactoryBean\u901a\u8fc7\u5b9e\u73b0FactoryBean\u63a5\u53e3\u6216\u6269\u5c55FactoryBeanSupport\u7c7b\u6765\u5b9e\u73b0\uff1a<\/p>\n

    \n
  1. \u5b9e\u73b0getObject()\u65b9\u6cd5\u4ee5\u521b\u5efaBean\u3002<\/li>\n
  2. \u8bbe\u7f6eisSingleton\u5c5e\u6027\u4ee5\u6307\u793aBean\u662f\u5426\u4e3a\u5355\u4f8b\uff08\u9ed8\u8ba4\u4e3a\u5355\u4f8b\uff09\u3002<\/li>\n<\/ol>\n

    \u521b\u5efaBean\u7684\u5dee\u5f02<\/strong><\/p>\n

    \u4f7f\u7528FactoryBean\u521b\u5efaBean\u4e0e\u76f4\u63a5\u521b\u5efaBean\u7684\u533a\u522b\u5728\u4e8e\uff1a<\/p>\n

      \n
    • \u5b9e\u4f8b\u5316\u65f6\u673a\uff1a<\/strong>FactoryBean\u4f1a\u5728\u6ce8\u5165\u65f6\u5b9e\u4f8b\u5316Bean\uff0c\u800c\u76f4\u63a5\u521b\u5efaBean\u5219\u662f\u5728\u7a0b\u5e8f\u542f\u52a8\u65f6\u5b9e\u4f8b\u5316\u3002<\/li>\n
    • \u5355\u4f8b\u6027\uff1a<\/strong>FactoryBean\u7684\u5b9e\u4f8b\u5316\u662f\u5426\u4e3a\u5355\u4f8b\u53d6\u51b3\u4e8eisSingleton\u5c5e\u6027\u7684\u8bbe\u7f6e\uff0c\u800c\u76f4\u63a5\u521b\u5efaBean\u603b\u662f\u5355\u4f8b\u7684\u3002<\/li>\n
    • \u751f\u547d\u5468\u671f\uff1a<\/strong>FactoryBean\u7684Bean\u9075\u5faaSpring Bean\u7684\u751f\u547d\u5468\u671f\uff08\u521d\u59cb\u5316\u3001\u9500\u6bc1\uff09\uff0c\u800c\u76f4\u63a5\u521b\u5efa\u7684Bean\u5219\u6ca1\u6709\u751f\u547d\u5468\u671f\u3002<\/li>\n<\/ul>\n

      \u6848\u4f8b\u4ee3\u7801\u89e3\u6790<\/strong><\/p>\n

      \u5728\u63d0\u4f9b\u7684\u6848\u4f8b\u4ee3\u7801\u4e2d\uff1a<\/p>\n

        \n
      • A b = new B();: \u76f4\u63a5\u521b\u5efa\u4e86B\u5b9e\u4f8b\uff0c\u8fd9\u662f\u4e00\u4e2a\u975e\u5355\u4f8b\u7684Bean\u3002<\/li>\n
      • A c = new C();: \u4e5f\u662f\u76f4\u63a5\u521b\u5efa\u4e86C\u5b9e\u4f8b\uff0c\u8fd9\u662f\u4e00\u4e2a\u975e\u5355\u4f8b\u7684Bean\u3002<\/li>\n<\/ul>\n

        \u56e0\u6b64\uff0c\u867d\u7136b\u548cc\u90fd\u662fA\u63a5\u53e3\u7684\u5b9e\u73b0\uff0c\u4f46\u5b83\u4eec\u662f\u4e0d\u540c\u7684Bean\u5b9e\u4f8b\uff0c\u5e76\u4e14\u4e0d\u5c5e\u4e8eSpring\u7684Bean\u751f\u547d\u5468\u671f\u7ba1\u7406\u3002<\/p>\n

        \u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301\uff01\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8\u516c\u4f17\u53f7\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

        Spring\u4e2dFactoryBe...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-203701","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203701","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=203701"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203701\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=203701"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=203701"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=203701"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}