{"id":12390,"date":"2023-11-28T22:52:25","date_gmt":"2023-11-28T14:52:25","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=12390"},"modified":"2023-12-11T17:05:47","modified_gmt":"2023-12-11T09:05:47","slug":"spring-zhongbean-de-chu-li-liu-cheng-shi-zen-yang","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/spring-zhongbean-de-chu-li-liu-cheng-shi-zen-yang\/","title":{"rendered":"Spring\u4e2d@Bean\u7684\u5904\u7406\u6d41\u7a0b\u662f\u600e\u6837\u7684\uff1f"},"content":{"rendered":"

\u5728 Spring \u4e2d\uff0c@Bean<\/code> \u6ce8\u89e3\u901a\u5e38\u7528\u4e8e\u5728 Java \u914d\u7f6e\u7c7b\u4e2d\u58f0\u660e\u65b9\u6cd5\uff0c\u8fd9\u4e9b\u65b9\u6cd5\u8fd4\u56de\u4e00\u4e2a\u5bf9\u8c61\uff0c\u8be5\u5bf9\u8c61\u5c06\u88ab\u6ce8\u518c\u4e3a Spring \u5bb9\u5668\u4e2d\u7684 Bean\u3002@Bean<\/code> \u6ce8\u89e3\u544a\u8bc9 Spring \u5bb9\u5668\u8fd9\u4e2a\u65b9\u6cd5\u5c06\u4ea7\u751f\u4e00\u4e2a Bean \u5bf9\u8c61\uff0c\u5e76\u4e14\u8be5\u5bf9\u8c61\u7684\u751f\u547d\u5468\u671f\u548c\u914d\u7f6e\u662f\u7531 Spring \u5bb9\u5668\u7ba1\u7406\u7684\u3002<\/p>\n

\u4ee5\u4e0b\u662f @Bean<\/code> \u7684\u5904\u7406\u6d41\u7a0b\uff1a<\/p>\n

    \n
  1. \n\u5728\u914d\u7f6e\u7c7b\u4e2d\u58f0\u660e\u65b9\u6cd5\uff1a<\/strong><\/p>\n
      \n
    • \u5728\u4e00\u4e2a\u914d\u7f6e\u7c7b\u4e2d\uff08\u901a\u5e38\u88ab @Configuration<\/code> \u6ce8\u89e3\u6807\u8bb0\uff09\u58f0\u660e\u4e00\u4e2a\u65b9\u6cd5\uff0c\u5e76\u5728\u65b9\u6cd5\u4e0a\u6dfb\u52a0 @Bean<\/code> \u6ce8\u89e3\u3002<\/li>\n<\/ul>\n
      @Configuration\npublic class AppConfig {\n\n    @Bean\n    public MyBean myBean() {\n        return new MyBean();\n    }\n}\n<\/code><\/pre>\n<\/li>\n
    • \n\u5bb9\u5668\u626b\u63cf\u914d\u7f6e\u7c7b\uff1a<\/strong><\/p>\n
        \n
      • Spring \u5bb9\u5668\u4f1a\u626b\u63cf\u88ab @Configuration<\/code> \u6ce8\u89e3\u6807\u8bb0\u7684\u914d\u7f6e\u7c7b\uff0c\u68c0\u6d4b\u5176\u4e2d\u7684 @Bean<\/code> \u6ce8\u89e3\u3002<\/li>\n<\/ul>\n<\/li>\n
      • \n\u89e3\u6790 @Bean<\/code> \u6ce8\u89e3\uff1a<\/strong><\/p>\n
          \n
        • \u5f53 Spring \u5bb9\u5668\u53d1\u73b0\u4e00\u4e2a\u88ab @Bean<\/code> \u6ce8\u89e3\u6807\u8bb0\u7684\u65b9\u6cd5\u65f6\uff0c\u5b83\u4f1a\u89e3\u6790\u8be5\u6ce8\u89e3\uff0c\u7136\u540e\u8c03\u7528\u8be5\u65b9\u6cd5\u3002<\/li>\n<\/ul>\n<\/li>\n
        • \n\u8c03\u7528 @Bean<\/code> \u65b9\u6cd5\uff1a<\/strong><\/p>\n
            \n
          • Spring \u5bb9\u5668\u4f1a\u8c03\u7528 @Bean<\/code> \u6ce8\u89e3\u6807\u8bb0\u7684\u65b9\u6cd5\uff0c\u8be5\u65b9\u6cd5\u8fd4\u56de\u4e00\u4e2a\u5bf9\u8c61\uff0c\u8fd9\u4e2a\u5bf9\u8c61\u5c31\u662f\u5c06\u88ab\u6ce8\u518c\u5230 Spring \u5bb9\u5668\u4e2d\u7684 Bean\u3002<\/li>\n<\/ul>\n
            public class MyBean {\n    \/\/ Bean \u7684\u5b9e\u73b0\n}\n<\/code><\/pre>\n<\/li>\n
          • \n\u521b\u5efa Bean \u5b9e\u4f8b\uff1a<\/strong><\/p>\n
              \n
            • Spring \u5bb9\u5668\u4f1a\u8c03\u7528 @Bean<\/code> \u65b9\u6cd5\u5f97\u5230\u7684\u5bf9\u8c61\uff0c\u5e76\u5c06\u5176\u521b\u5efa\u4e3a\u4e00\u4e2a Bean \u5b9e\u4f8b\u3002\u8fd9\u4e00\u6b65\u53ef\u80fd\u6d89\u53ca\u5230\u6784\u9020\u51fd\u6570\u7684\u8c03\u7528\u3001\u5c5e\u6027\u7684\u8bbe\u7f6e\u7b49\u3002<\/li>\n<\/ul>\n<\/li>\n
            • \n\u5e94\u7528\u989d\u5916\u7684\u914d\u7f6e\uff1a<\/strong><\/p>\n
                \n
              • \u5982\u679c @Bean<\/code> \u65b9\u6cd5\u8fd4\u56de\u7684\u5bf9\u8c61\u9700\u8981\u8fdb\u4e00\u6b65\u7684\u914d\u7f6e\uff0c\u4f8b\u5982\u901a\u8fc7\u65b9\u6cd5\u8c03\u7528\u6216\u5c5e\u6027\u8bbe\u7f6e\uff0cSpring \u5bb9\u5668\u4f1a\u5728\u521b\u5efa Bean \u5b9e\u4f8b\u540e\u5e94\u7528\u8fd9\u4e9b\u989d\u5916\u7684\u914d\u7f6e\u3002<\/li>\n<\/ul>\n<\/li>\n
              • \n\u6ce8\u518c Bean \u5230\u5bb9\u5668\uff1a<\/strong><\/p>\n
                  \n
                • \u6700\u540e\uff0cSpring \u5bb9\u5668\u5c06\u521b\u5efa\u5e76\u914d\u7f6e\u597d\u7684 Bean \u6ce8\u518c\u5230\u5bb9\u5668\u4e2d\uff0c\u4ee5\u4fbf\u5728\u5176\u4ed6\u5730\u65b9\u8fdb\u884c\u4f9d\u8d56\u6ce8\u5165\u6216\u5176\u4ed6\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<\/li>\n
                • \nBean \u7684\u751f\u547d\u5468\u671f\u7531 Spring \u7ba1\u7406\uff1a<\/strong><\/p>\n
                    \n
                  • \u4e00\u65e6 Bean \u6ce8\u518c\u5230\u5bb9\u5668\uff0cSpring \u5bb9\u5668\u5c06\u8d1f\u8d23\u7ba1\u7406\u8be5 Bean \u7684\u751f\u547d\u5468\u671f\uff0c\u5305\u62ec\u521d\u59cb\u5316\u3001\u4f7f\u7528\u3001\u9500\u6bc1\u7b49\u9636\u6bb5\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n
                    \u901a\u8fc7 @Bean<\/code> \u6ce8\u89e3\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u66f4\u7075\u6d3b\u5730\u58f0\u660e\u548c\u914d\u7f6e Bean\uff0c\u800c\u4e0d\u5fc5\u4f9d\u8d56\u4e8e XML \u914d\u7f6e\u6587\u4ef6\u3002\u8fd9\u79cd\u65b9\u5f0f\u4e5f\u4f7f\u5f97\u914d\u7f6e\u66f4\u52a0\u96c6\u4e2d\u548c\u53ef\u8bfb\u6027\u66f4\u9ad8\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
                    \u5728 Spring \u4e2d\uff0c@Bean \u6ce8\u89e3\u901a\u5e38\u7528\u4e8e\u5728 Java \u914d\u7f6e\u7c7b\u4e2d\u58f0\u660e\u65b9\u6cd5\uff0c\u8fd9\u4e9b\u65b9\u6cd5\u8fd4\u56de\u4e00\u4e2a\u5bf9\u8c61\uff0c\u8be5\u5bf9\u8c61\u5c06\u88ab […]<\/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-12390","post","type-post","status-publish","format-standard","hentry","category-spring"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/12390","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=12390"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/12390\/revisions"}],"predecessor-version":[{"id":47900,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/12390\/revisions\/47900"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=12390"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=12390"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=12390"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}