{"id":12402,"date":"2023-11-28T22:52:39","date_gmt":"2023-11-28T14:52:39","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=12402"},"modified":"2023-12-11T17:08:08","modified_gmt":"2023-12-11T09:08:08","slug":"spring-zhong-ke-yi-zi-dong-zhuang-pei-ge-zhong-mo","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/spring-zhong-ke-yi-zi-dong-zhuang-pei-ge-zhong-mo\/","title":{"rendered":"Spring\u4e2d\u53ef\u4ee5\u81ea\u52a8\u88c5\u914d\u5404\u79cd\u6a21\u5f0f\u5417\uff1f"},"content":{"rendered":"

\u5728 Spring \u4e2d\uff0c\u81ea\u52a8\u88c5\u914d\uff08Autowired\uff09\u652f\u6301\u591a\u79cd\u6a21\u5f0f\uff0c\u4ee5\u6ee1\u8db3\u4e0d\u540c\u7684\u9700\u6c42\u3002\u81ea\u52a8\u88c5\u914d\u6a21\u5f0f\u901a\u8fc7 @Autowired<\/code> \u6ce8\u89e3\u7684\u4e0d\u540c\u4f7f\u7528\u4f4d\u7f6e\u548c\u7ed3\u5408\u5176\u4ed6\u6ce8\u89e3\u6765\u6307\u5b9a\u3002\u4ee5\u4e0b\u662f\u51e0\u79cd\u5e38\u89c1\u7684\u81ea\u52a8\u88c5\u914d\u6a21\u5f0f\uff1a<\/p>\n

    \n
  1. \n\u6309\u7c7b\u578b\u81ea\u52a8\u88c5\u914d\uff1a<\/strong><\/p>\n
      \n
    • \u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c@Autowired<\/code> \u6ce8\u89e3\u6309\u7c7b\u578b\u8fdb\u884c\u81ea\u52a8\u88c5\u914d\u3002\u5f53\u5bb9\u5668\u4e2d\u5b58\u5728\u4e00\u4e2a\u4e0e\u88ab\u6ce8\u5165\u5c5e\u6027\u7c7b\u578b\u76f8\u5339\u914d\u7684 Bean \u65f6\uff0c\u81ea\u52a8\u6ce8\u5165\u8be5 Bean\u3002<\/li>\n<\/ul>\n
      @Autowired\nprivate MyService myService; \/\/ \u6309\u7c7b\u578b\u81ea\u52a8\u88c5\u914d\n<\/code><\/pre>\n<\/li>\n
    • \n\u6309\u540d\u79f0\u81ea\u52a8\u88c5\u914d\uff1a<\/strong><\/p>\n
        \n
      • \u5982\u679c\u5bb9\u5668\u4e2d\u5b58\u5728\u591a\u4e2a\u4e0e\u88ab\u6ce8\u5165\u5c5e\u6027\u7c7b\u578b\u5339\u914d\u7684 Bean\uff0c\u53ef\u4ee5\u7ed3\u5408 @Qualifier<\/code> \u6ce8\u89e3\u4f7f\u7528\uff0c\u6307\u5b9a\u8981\u6ce8\u5165\u7684 Bean \u7684\u540d\u79f0\u3002<\/li>\n<\/ul>\n
        @Autowired\n@Qualifier("specificBean")\nprivate MyService myService; \/\/ \u6309\u540d\u79f0\u81ea\u52a8\u88c5\u914d\n<\/code><\/pre>\n<\/li>\n
      • \n\u6784\u9020\u65b9\u6cd5\u6ce8\u5165\uff1a<\/strong><\/p>\n
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        • \u901a\u8fc7\u6784\u9020\u65b9\u6cd5\u4e0a\u7684 @Autowired<\/code> \u6ce8\u89e3\uff0c\u5b9e\u73b0\u6784\u9020\u65b9\u6cd5\u6ce8\u5165\u3002<\/li>\n<\/ul>\n
          @Autowired\npublic MyClass(MyDependency myDependency) {\n    this.myDependency = myDependency;\n}\n<\/code><\/pre>\n<\/li>\n
        • \nSetter \u65b9\u6cd5\u6ce8\u5165\uff1a<\/strong><\/p>\n
            \n
          • \u901a\u8fc7 Setter \u65b9\u6cd5\u4e0a\u7684 @Autowired<\/code> \u6ce8\u89e3\uff0c\u5b9e\u73b0 Setter \u65b9\u6cd5\u6ce8\u5165\u3002<\/li>\n<\/ul>\n
            @Autowired\npublic void setMyDependency(MyDependency myDependency) {\n    this.myDependency = myDependency;\n}\n<\/code><\/pre>\n<\/li>\n
          • \n\u5b57\u6bb5\u6ce8\u5165\uff1a<\/strong><\/p>\n
              \n
            • \u76f4\u63a5\u5728\u5b57\u6bb5\u4e0a\u4f7f\u7528 @Autowired<\/code> \u6ce8\u89e3\uff0c\u5b9e\u73b0\u5b57\u6bb5\u6ce8\u5165\u3002<\/li>\n<\/ul>\n
              @Autowired\nprivate MyDependency myDependency;\n<\/code><\/pre>\n<\/li>\n
            • \n\u65b9\u6cd5\u53c2\u6570\u6ce8\u5165\uff1a<\/strong><\/p>\n
                \n
              • \u5728\u65b9\u6cd5\u7684\u53c2\u6570\u4e0a\u4f7f\u7528 @Autowired<\/code> \u6ce8\u89e3\uff0c\u5b9e\u73b0\u65b9\u6cd5\u53c2\u6570\u7684\u81ea\u52a8\u6ce8\u5165\u3002<\/li>\n<\/ul>\n
                @RequestMapping("\/example")\npublic String exampleMethod(@Autowired MyService myService) {\n    \/\/ \u65b9\u6cd5\u53c2\u6570\u6ce8\u5165\n    \/\/ ...\n}\n<\/code><\/pre>\n<\/li>\n<\/ol>\n
                \u8fd9\u4e9b\u81ea\u52a8\u88c5\u914d\u6a21\u5f0f\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u7684\u60c5\u51b5\u548c\u9700\u6c42\u9009\u62e9\u4f7f\u7528\u3002Spring \u63d0\u4f9b\u4e86\u7075\u6d3b\u7684\u81ea\u52a8\u88c5\u914d\u673a\u5236\uff0c\u4f7f\u5f97\u5f00\u53d1\u8005\u53ef\u4ee5\u6839\u636e\u573a\u666f\u9009\u62e9\u6700\u9002\u5408\u7684\u81ea\u52a8\u88c5\u914d\u65b9\u5f0f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
                \u5728 Spring \u4e2d\uff0c\u81ea\u52a8\u88c5\u914d\uff08Autowired\uff09\u652f\u6301\u591a\u79cd\u6a21\u5f0f\uff0c\u4ee5\u6ee1\u8db3\u4e0d\u540c\u7684\u9700\u6c42\u3002\u81ea\u52a8\u88c5\u914d\u6a21\u5f0f\u901a\u8fc7 @Aut […]<\/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-12402","post","type-post","status-publish","format-standard","hentry","category-spring"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/12402","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=12402"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/12402\/revisions"}],"predecessor-version":[{"id":47902,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/12402\/revisions\/47902"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=12402"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=12402"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=12402"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}