{"id":12293,"date":"2023-11-28T22:49:30","date_gmt":"2023-11-28T14:49:30","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=12293"},"modified":"2023-12-11T16:16:28","modified_gmt":"2023-12-11T08:16:28","slug":"spring-dan-libean-yu-dan-li-mo-shi-de-qu-bie","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/spring-dan-libean-yu-dan-li-mo-shi-de-qu-bie\/","title":{"rendered":"Spring\u5355\u4f8bBean\u4e0e\u5355\u4f8b\u6a21\u5f0f\u7684\u533a\u522b\uff1f"},"content":{"rendered":"

\u5728Spring\u4e2d\uff0cSpring Bean \u7684\u5b9a\u4e49\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u8fdb\u884c\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u5f00\u53d1\u8005\u7684\u504f\u597d\u548c\u9879\u76ee\u9700\u6c42\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u5b9a\u4e49\u5f62\u5f0f\uff1a<\/p>\n

    \n
  1. \nXML\u914d\u7f6e\uff1a<\/strong><\/p>\n
      \n
    • \n\u4f7f\u7528XML\u914d\u7f6e\u6587\u4ef6\u662fSpring\u6700\u4f20\u7edf\u548c\u6700\u65e9\u671f\u7684\u65b9\u5f0f\u3002\u5728XML\u6587\u4ef6\u4e2d\uff0c\u901a\u8fc7 <bean><\/code> \u5143\u7d20\u6765\u5b9a\u4e49\u4e00\u4e2aSpring Bean\u3002\u4f8b\u5982\uff1a<\/p>\n
      <bean id="myBean" class="com.example.MyBean">\n    <!-- Bean \u7684\u5c5e\u6027\u914d\u7f6e -->\n<\/bean>\n<\/code><\/pre>\n<\/li>\n<\/ul>\n<\/li>\n
    • \nJava\u914d\u7f6e\u7c7b\uff1a<\/strong><\/p>\n
        \n
      • \n\u4f7f\u7528Java\u914d\u7f6e\u7c7b\u662f\u4e00\u79cd\u66f4\u52a0\u7c7b\u578b\u5b89\u5168\u548c\u9762\u5411\u5bf9\u8c61\u7684\u65b9\u5f0f\u3002\u901a\u8fc7\u5728Java\u7c7b\u4e2d\u4f7f\u7528 @Configuration<\/code> \u6ce8\u89e3\uff0c\u7ed3\u5408 @Bean<\/code> \u6ce8\u89e3\u5b9a\u4e49Bean\u3002\u4f8b\u5982\uff1a<\/p>\n
        @Configuration\npublic class AppConfig {\n    @Bean\n    public MyBean myBean() {\n        return new MyBean();\n    }\n}\n<\/code><\/pre>\n<\/li>\n<\/ul>\n<\/li>\n
      • \n\u6ce8\u89e3\u914d\u7f6e\uff1a<\/strong><\/p>\n
          \n
        • \n\u4f7f\u7528\u6ce8\u89e3\u914d\u7f6e\u662f\u4e00\u79cd\u66f4\u4e3a\u7b80\u6d01\u548c\u65b9\u4fbf\u7684\u65b9\u5f0f\u3002\u901a\u8fc7\u5728Java\u7c7b\u4e0a\u4f7f\u7528 @Component<\/code> \u6216\u5176\u4ed6\u76f8\u5173\u6ce8\u89e3\uff0c\u6807\u8bb0\u4e3aSpring Bean\u3002\u4f8b\u5982\uff1a<\/p>\n
          @Component\npublic class MyBean {\n    \/\/ Bean \u7684\u5b9e\u73b0\n}\n<\/code><\/pre>\n<\/li>\n<\/ul>\n<\/li>\n
        • \nJavaConfig + XML\u6df7\u5408\u914d\u7f6e\uff1a<\/strong><\/p>\n
            \n
          • \n\u53ef\u4ee5\u4f7f\u7528Java\u914d\u7f6e\u7c7b\u548cXML\u914d\u7f6e\u6587\u4ef6\u6df7\u5408\u5b9a\u4e49Bean\u3002\u8fd9\u6837\u7684\u65b9\u5f0f\u5141\u8bb8\u5728\u4e0d\u540c\u5c42\u6b21\u4e0a\u4f7f\u7528\u4e0d\u540c\u7684\u914d\u7f6e\u65b9\u5f0f\uff0c\u63d0\u9ad8\u4e86\u7075\u6d3b\u6027\u3002\u4f8b\u5982\uff1a<\/p>\n
            <beans>\n    <import resource="classpath:my-java-config-class.java"\/>\n    <!-- \u5176\u4ed6 Bean \u7684\u5b9a\u4e49 -->\n<\/beans>\n<\/code><\/pre>\n<\/li>\n<\/ul>\n<\/li>\n
          • \n\u4f7f\u7528FactoryBean\uff1a<\/strong><\/p>\n
              \n
            • \n\u901a\u8fc7\u5b9e\u73b0 FactoryBean<\/code> \u63a5\u53e3\uff0c\u53ef\u4ee5\u5728Bean\u7684\u521b\u5efa\u8fc7\u7a0b\u4e2d\u52a0\u5165\u4e00\u4e9b\u81ea\u5b9a\u4e49\u903b\u8f91\u3002FactoryBean \u63d0\u4f9b\u4e86\u66f4\u7075\u6d3b\u7684\u5b9e\u4f8b\u5316\u548c\u914d\u7f6e\u65b9\u5f0f\u3002<\/p>\n
              public class MyBeanFactory implements FactoryBean<MyBean> {\n    @Override\n    public MyBean getObject() throws Exception {\n        return new MyBean();\n    }\n\n    @Override\n    public Class<?> getObjectType() {\n        return MyBean.class;\n    }\n\n    @Override\n    public boolean isSingleton() {\n        return true;\n    }\n}\n<\/code><\/pre>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n
              \u8fd9\u4e9b\u65b9\u5f0f\u5e76\u975e\u76f8\u4e92\u72ec\u7acb\uff0c\u53ef\u4ee5\u6839\u636e\u9879\u76ee\u7684\u9700\u8981\u7ec4\u5408\u4f7f\u7528\u3002\u901a\u5e38\uff0c\u4f7f\u7528Java\u914d\u7f6e\u7c7b\u6216\u6ce8\u89e3\u914d\u7f6e\u662f\u8f83\u4e3a\u73b0\u4ee3\u548c\u63a8\u8350\u7684\u65b9\u5f0f\uff0c\u56e0\u4e3a\u5b83\u4eec\u63d0\u4f9b\u4e86\u66f4\u597d\u7684\u7c7b\u578b\u5b89\u5168\u548c\u53ef\u8bfb\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
              \u5728Spring\u4e2d\uff0cSpring Bean \u7684\u5b9a\u4e49\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u8fdb\u884c\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u5f00\u53d1\u8005\u7684\u504f\u597d\u548c\u9879\u76ee\u9700\u6c42\u3002\u4ee5\u4e0b\u662f […]<\/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-12293","post","type-post","status-publish","format-standard","hentry","category-spring"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/12293","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=12293"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/12293\/revisions"}],"predecessor-version":[{"id":47881,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/12293\/revisions\/47881"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=12293"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=12293"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=12293"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}