{"id":203860,"date":"2025-05-22T08:04:43","date_gmt":"2025-05-22T00:04:43","guid":{"rendered":"https:\/\/server.hk\/cnblog\/203860\/"},"modified":"2025-05-22T08:04:43","modified_gmt":"2025-05-22T00:04:43","slug":"spring%e6%b3%a8%e8%a7%a3%e4%b8%ad%e4%bd%bf%e7%94%a8factorybean%e5%88%9b%e5%bb%babean%e6%9c%89%e4%bb%80%e4%b9%88%e5%8c%ba%e5%88%ab%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/203860\/","title":{"rendered":"Spring\u6ce8\u89e3\u4e2d\u4f7f\u7528FactoryBean\u521b\u5efaBean\u6709\u4ec0\u4e48\u533a\u522b\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Spring\u6ce8\u89e3\u4e2d\u4f7f\u7528FactoryBean\u521b\u5efaBean\u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/h1>\n<p>\u4eb2\u7231\u7684\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5982\u679c\u4f60\u70b9\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\uff0c\u8bf4\u660e\u4f60\u5bf9\u300aSpring\u6ce8\u89e3\u4e2d\u4f7f\u7528FactoryBean\u521b\u5efaBean\u6709\u4ec0\u4e48\u533a\u522b\uff1f\u300b\u5f88\u611f\u5174\u8da3\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u7ed9\u5927\u5bb6\u8be6\u7ec6\u89e3\u6790\u4e00\u4e0b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u6240\u6709\u8ba4\u771f\u8bfb\u5b8c\u7684\u7ae5\u978b\u4eec\uff0c\u90fd\u6709\u5b9e\u8d28\u6027\u7684\u63d0\u9ad8\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241128\/1732800644674870845c74b.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u5728Spring\u6ce8\u89e3\u4e2d\u4f7f\u7528FactoryBean\u521b\u5efaBean\u7684\u4e0d\u540c\u70b9<\/strong><\/p>\n<p>\u5728Spring\u6ce8\u89e3\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7FactoryBean\u6765\u521b\u5efaBean\u3002FactoryBean\u7684\u76ee\u7684\u662f\u4e3aBean\u63d0\u4f9b\u4e00\u4e2a\u52a8\u6001\u521b\u5efa\u7684\u8fc7\u7a0b\u3002\u5728\u7ed9\u5b9a\u7684\u4ee3\u7801\u7247\u6bb5\u4e2d\uff0c\u6211\u4eec\u770b\u5230\u4e86\u4e24\u4e2aBean\uff1a<\/p>\n<ul>\n<li>A b = new B();<\/li>\n<li>A c = new C();<\/li>\n<\/ul>\n<p>\u5b83\u4eec\u90fd\u5b9e\u73b0\u4e86\u76f8\u540c\u7684\u63a5\u53e3 A\uff0c\u4f46\u521b\u5efa\u65b9\u5f0f\u4e0d\u540c\u3002b \u662f\u76f4\u63a5\u4f7f\u7528 new \u5173\u952e\u5b57\u521b\u5efa\u7684\uff0c\u800c c \u662f\u901a\u8fc7 FactoryBean \u521b\u5efa\u7684\u3002<\/p>\n<p>\u5f53\u4f7f\u7528 FactoryBean \u521b\u5efa Bean \u65f6\uff0cSpring \u5c06\u5728\u5bb9\u5668\u4e2d\u521b\u5efa\u4e00\u4e2a\u989d\u5916\u7684 Bean\uff0c\u8be5 Bean \u5b9e\u73b0\u4e86 FactoryBean&lt;T&gt; \u63a5\u53e3\u3002\u8fd9\u4e2a FactoryBean \u8d1f\u8d23\u521b\u5efa\u548c\u7ba1\u7406\u76ee\u6807 Bean\u3002\u5728\u6211\u4eec\u7684\u4f8b\u5b50\u4e2d\uff0c\u76ee\u6807 Bean \u662f\u5b9e\u73b0\u4e86 A \u63a5\u53e3\u7684 C \u7c7b\u3002<\/p>\n<p>\u6240\u4ee5\uff0c\u5728 Spring \u6ce8\u89e3\u4e2d\uff0cA b = new B(); \u548c A c = new C(); \u7684\u4e3b\u8981\u533a\u522b\u5728\u4e8e\uff1a<\/p>\n<ul>\n<li>b \u662f\u76f4\u63a5\u521b\u5efa\u7684\uff0c\u800c c \u662f\u901a\u8fc7 FactoryBean \u95f4\u63a5\u521b\u5efa\u7684\u3002<\/li>\n<li>Spring \u5c06\u4e3a c \u521b\u5efa\u4e00\u4e2a\u989d\u5916\u7684 FactoryBean Bean\uff0c\u8d1f\u8d23\u521b\u5efa\u548c\u7ba1\u7406\u76ee\u6807 Bean\u3002<\/li>\n<\/ul>\n<p>\u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300aSpring\u6ce8\u89e3\u4e2d\u4f7f\u7528FactoryBean\u521b\u5efaBean\u6709\u4ec0\u4e48\u533a\u522b\uff1f\u300b\uff0c\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u7ed9\u5927\u5bb6\u5206\u4eab\u66f4\u591a\u6587\u7ae0\u77e5\u8bc6\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Spring\u6ce8\u89e3\u4e2d\u4f7f\u7528Facto&#46;&#46;&#46;<\/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-203860","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203860","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=203860"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203860\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=203860"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=203860"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=203860"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}