{"id":11889,"date":"2023-11-28T22:36:56","date_gmt":"2023-11-28T14:36:56","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=11889"},"modified":"2023-12-11T14:36:57","modified_gmt":"2023-12-11T06:36:57","slug":"spring-you-na-xie-bu-tong-lei-xing-dei0c-yi-lai-zh","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/spring-you-na-xie-bu-tong-lei-xing-dei0c-yi-lai-zh\/","title":{"rendered":"Spring\u6709\u54ea\u4e9b\u4e0d\u540c\u7c7b\u578b\u7684I0C\u4f9d\u8d56\u6ce8\u5165\uff09\uff1f"},"content":{"rendered":"

Spring\u6846\u67b6\u652f\u6301\u591a\u79cd\u65b9\u5f0f\u8fdb\u884cIOC\uff08\u4f9d\u8d56\u6ce8\u5165\uff09\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u5f0f\u3002\u4ee5\u4e0b\u662fSpring\u4e2d\u4e0d\u540c\u7c7b\u578b\u7684IOC\u65b9\u5f0f\uff1a<\/p>\n

    \n
  1. \n\u6784\u9020\u5668\u6ce8\u5165\uff08Constructor Injection\uff09\uff1a<\/strong><\/p>\n
      \n
    • \u901a\u8fc7\u6784\u9020\u5668\u4e3aBean\u6ce8\u5165\u4f9d\u8d56\u3002\u5728\u7c7b\u7684\u6784\u9020\u65b9\u6cd5\u4e0a\u4f7f\u7528@Autowired<\/code>\u6ce8\u89e3\uff0cSpring\u5bb9\u5668\u4f1a\u81ea\u52a8\u89e3\u6790\u6784\u9020\u65b9\u6cd5\u7684\u53c2\u6570\u5e76\u6ce8\u5165\u5bf9\u5e94\u7684\u4f9d\u8d56\u3002<\/li>\n<\/ul>\n
      public class MyClass {\n    private MyDependency dependency;\n\n    @Autowired\n    public MyClass(MyDependency dependency) {\n        this.dependency = dependency;\n    }\n}\n<\/code><\/pre>\n<\/li>\n
    • \nSetter\u65b9\u6cd5\u6ce8\u5165\uff08Setter Injection\uff09\uff1a<\/strong><\/p>\n
        \n
      • \u901a\u8fc7setter\u65b9\u6cd5\u4e3aBean\u6ce8\u5165\u4f9d\u8d56\u3002\u5728\u7c7b\u7684setter\u65b9\u6cd5\u4e0a\u4f7f\u7528@Autowired<\/code>\u6ce8\u89e3\uff0cSpring\u5bb9\u5668\u4f1a\u81ea\u52a8\u8c03\u7528setter\u65b9\u6cd5\u6ce8\u5165\u4f9d\u8d56\u3002<\/li>\n<\/ul>\n
        public class MyClass {\n    private MyDependency dependency;\n\n    @Autowired\n    public void setDependency(MyDependency dependency) {\n        this.dependency = dependency;\n    }\n}\n<\/code><\/pre>\n<\/li>\n
      • \n\u5b57\u6bb5\u6ce8\u5165\uff08Field Injection\uff09\uff1a<\/strong><\/p>\n
          \n
        • \u901a\u8fc7\u5b57\u6bb5\u4e3aBean\u6ce8\u5165\u4f9d\u8d56\u3002\u5728\u7c7b\u7684\u5b57\u6bb5\u4e0a\u4f7f\u7528@Autowired<\/code>\u6ce8\u89e3\uff0cSpring\u5bb9\u5668\u4f1a\u81ea\u52a8\u5c06\u4f9d\u8d56\u6ce8\u5165\u5230\u5b57\u6bb5\u4e2d\u3002<\/li>\n<\/ul>\n
          public class MyClass {\n    @Autowired\n    private MyDependency dependency;\n}\n<\/code><\/pre>\n<\/li>\n
        • \n\u65b9\u6cd5\u6ce8\u5165\uff08Method Injection\uff09\uff1a<\/strong><\/p>\n
            \n
          • \u901a\u8fc7\u65b9\u6cd5\u4e3aBean\u6ce8\u5165\u4f9d\u8d56\u3002\u5728\u7c7b\u7684\u666e\u901a\u65b9\u6cd5\u4e0a\u4f7f\u7528@Autowired<\/code>\u6ce8\u89e3\uff0cSpring\u5bb9\u5668\u4f1a\u81ea\u52a8\u8c03\u7528\u8be5\u65b9\u6cd5\u5e76\u6ce8\u5165\u4f9d\u8d56\u3002<\/li>\n<\/ul>\n
            public class MyClass {\n    private MyDependency dependency;\n\n    @Autowired\n    public void injectDependency(MyDependency dependency) {\n        this.dependency = dependency;\n    }\n}\n<\/code><\/pre>\n<\/li>\n
          • \n\u63a5\u53e3\u6ce8\u5165\uff08Interface Injection\uff09\uff1a<\/strong><\/p>\n
              \n
            • \u901a\u8fc7\u5728\u63a5\u53e3\u4e2d\u5b9a\u4e49\u4f9d\u8d56\u6ce8\u5165\u65b9\u6cd5\uff0c\u5b9e\u73b0\u7c7b\u5b9e\u73b0\u8be5\u63a5\u53e3\u5e76\u7531Spring\u5bb9\u5668\u6ce8\u5165\u4f9d\u8d56\u3002<\/li>\n<\/ul>\n
              public interface MyInterface {\n    void setDependency(MyDependency dependency);\n}\n\npublic class MyClass implements MyInterface {\n    private MyDependency dependency;\n\n    @Override\n    public void setDependency(MyDependency dependency) {\n        this.dependency = dependency;\n    }\n}\n<\/code><\/pre>\n<\/li>\n
            • \nJava\u914d\u7f6e\u6ce8\u5165\uff08Java Config Injection\uff09\uff1a<\/strong><\/p>\n
                \n
              • \u4f7f\u7528Java\u914d\u7f6e\u7c7b\u901a\u8fc7@Bean<\/code>\u6ce8\u89e3\u5b9a\u4e49Bean\uff0c\u7136\u540e\u901a\u8fc7@Autowired<\/code>\u6ce8\u89e3\u6216@Resource<\/code>\u6ce8\u89e3\u8fdb\u884c\u4f9d\u8d56\u6ce8\u5165\u3002<\/li>\n<\/ul>\n
                @Configuration\npublic class AppConfig {\n    @Bean\n    public MyBean myBean() {\n        return new MyBean();\n    }\n}\n\npublic class MyClass {\n    @Autowired\n    private MyBean myBean;\n}\n<\/code><\/pre>\n<\/li>\n<\/ol>\n
                \u8fd9\u4e9b\u4f9d\u8d56\u6ce8\u5165\u7684\u65b9\u5f0f\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u573a\u666f\u548c\u4e2a\u4eba\u504f\u597d\u8fdb\u884c\u9009\u62e9\u3002\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u901a\u5e38\u4f1a\u6839\u636e\u9879\u76ee\u7684\u9700\u6c42\u548c\u8bbe\u8ba1\u539f\u5219\u9009\u62e9\u6700\u9002\u5408\u7684\u4f9d\u8d56\u6ce8\u5165\u65b9\u5f0f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
                Spring\u6846\u67b6\u652f\u6301\u591a\u79cd\u65b9\u5f0f\u8fdb\u884cIOC\uff08\u4f9d\u8d56\u6ce8\u5165\uff09\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u5f0f\u3002\u4ee5\u4e0b\u662fSpring\u4e2d […]<\/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-11889","post","type-post","status-publish","format-standard","hentry","category-spring"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11889","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=11889"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11889\/revisions"}],"predecessor-version":[{"id":37200,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11889\/revisions\/37200"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=11889"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=11889"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=11889"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}