{"id":11901,"date":"2023-11-28T22:37:17","date_gmt":"2023-11-28T14:37:17","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=11901"},"modified":"2023-12-11T14:38:24","modified_gmt":"2023-12-11T06:38:24","slug":"spring-zhong-objectfactoryfactorybean-he-beanfacto","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/spring-zhong-objectfactoryfactorybean-he-beanfacto\/","title":{"rendered":"Spring \u4e2d ObjectFactory\u3001FactoryBean \u548c BeanFactory \u7684\u533a\u522b\uff1f"},"content":{"rendered":"

\u5728 Spring \u4e2d\uff0cObjectFactory<\/code>\u3001FactoryBean<\/code> \u548c BeanFactory<\/code> \u662f\u4e09\u4e2a\u4e0d\u540c\u7684\u63a5\u53e3\/\u7c7b\uff0c\u5b83\u4eec\u5728\u5bb9\u5668\u4e2d\u626e\u6f14\u4e0d\u540c\u7684\u89d2\u8272\u3002\u4ee5\u4e0b\u662f\u5b83\u4eec\u7684\u4e3b\u8981\u533a\u522b\uff1a<\/p>\n

    \n
  1. \nObjectFactory\uff1a<\/strong><\/p>\n
      \n
    • ObjectFactory<\/code> \u662f\u4e00\u4e2a\u7b80\u5355\u7684\u5de5\u5382\u63a5\u53e3\uff0c\u7528\u4e8e\u5728\u8fd0\u884c\u65f6\u52a8\u6001\u5730\u521b\u5efa\u4e00\u4e9b\u5bf9\u8c61\u3002\u5b83\u901a\u5e38\u7528\u4e8e\u652f\u6301\u5ef6\u8fdf\u521d\u59cb\u5316\uff08lazy initialization\uff09\u3002<\/li>\n
    • ObjectFactory<\/code> \u63a5\u53e3\u53ea\u5b9a\u4e49\u4e86\u4e00\u4e2a\u65b9\u6cd5 T getObject()<\/code>\uff0c\u7528\u4e8e\u83b7\u53d6\u88ab\u5de5\u5382\u521b\u5efa\u7684\u5bf9\u8c61\u3002\u5b83\u7684\u76ee\u7684\u662f\u4e3a\u4e86\u89e3\u51b3\u5faa\u73af\u4f9d\u8d56\u95ee\u9898\u3002\u5728\u6ce8\u5165\u67d0\u4e9b\u7c7b\u578b\u7684Bean\u65f6\uff0cSpring\u53ef\u80fd\u4f1a\u4f7f\u7528ObjectFactory<\/code>\u6765\u83b7\u53d6\u5b9e\u9645\u7684Bean\u5b9e\u4f8b\u3002<\/li>\n<\/ul>\n<\/li>\n
    • \nFactoryBean\uff1a<\/strong><\/p>\n
        \n
      • FactoryBean<\/code> \u662f\u4e00\u4e2a\u63a5\u53e3\uff0c\u7528\u4e8e\u521b\u5efa\u590d\u6742\u5bf9\u8c61\uff0c\u4ee5\u53ca\u81ea\u5b9a\u4e49\u5bf9\u8c61\u7684\u521b\u5efa\u8fc7\u7a0b\u3002\u5b9e\u73b0 FactoryBean<\/code> \u63a5\u53e3\u7684\u7c7b\u662f\u4e00\u4e2a\u5de5\u5382\u7c7b\uff0c\u8d1f\u8d23\u521b\u5efa\u7279\u5b9a\u7c7b\u578b\u7684 Bean\u3002<\/li>\n
      • FactoryBean<\/code> \u63a5\u53e3\u5b9a\u4e49\u4e86\u4e24\u4e2a\u65b9\u6cd5\uff1aT getObject()<\/code> \u7528\u4e8e\u83b7\u53d6\u521b\u5efa\u7684\u5bf9\u8c61\u5b9e\u4f8b\uff0c\u548c Class<?> getObjectType()<\/code> \u7528\u4e8e\u83b7\u53d6\u5de5\u5382\u521b\u5efa\u7684\u5bf9\u8c61\u7684\u7c7b\u578b\u3002<\/li>\n
      • \u901a\u8fc7\u5b9e\u73b0 FactoryBean<\/code> \u63a5\u53e3\uff0c\u53ef\u4ee5\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u5b9a\u4e49\u81ea\u5b9a\u4e49\u7684 Bean \u521b\u5efa\u903b\u8f91\u3002<\/li>\n<\/ul>\n
        public interface FactoryBean<T> {\n    T getObject() throws Exception;\n    Class<?> getObjectType();\n    boolean isSingleton();\n}\n<\/code><\/pre>\n<\/li>\n
      • \nBeanFactory\uff1a<\/strong><\/p>\n
          \n
        • BeanFactory<\/code> \u662f Spring \u5bb9\u5668\u7684\u9876\u5c42\u63a5\u53e3\uff0c\u5b9a\u4e49\u4e86\u5bb9\u5668\u7684\u57fa\u672c\u884c\u4e3a\u3002\u5b83\u662f\u4e00\u4e2a\u5de5\u5382\u63a5\u53e3\uff0c\u8d1f\u8d23\u521b\u5efa\u3001\u914d\u7f6e\u548c\u7ba1\u7406 Bean\u3002<\/li>\n
        • BeanFactory<\/code> \u63d0\u4f9b\u4e86\u83b7\u53d6 Bean\u3001\u9500\u6bc1 Bean\u3001\u83b7\u53d6 Bean \u7684\u5143\u6570\u636e\u7b49\u529f\u80fd\u3002\u5e38\u7528\u7684\u5b9e\u73b0\u7c7b\u662f DefaultListableBeanFactory<\/code>\u3002<\/li>\n
        • Spring \u4e2d\u7684 IOC \u5bb9\u5668\u662f\u4ee5 BeanFactory<\/code> \u63a5\u53e3\u4e3a\u57fa\u7840\u6784\u5efa\u7684\uff0cBeanFactory<\/code> \u8d1f\u8d23\u5b9e\u4f8b\u5316\u3001\u88c5\u914d\u548c\u7ba1\u7406 Bean\uff0c\u540c\u65f6\u652f\u6301\u5ef6\u8fdf\u52a0\u8f7d\u548c\u61d2\u521d\u59cb\u5316\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n
          \u7efc\u5408\u6765\u8bf4\uff0cObjectFactory<\/code> \u4e3b\u8981\u7528\u4e8e\u89e3\u51b3\u5faa\u73af\u4f9d\u8d56\u95ee\u9898\uff0cFactoryBean<\/code> \u7528\u4e8e\u81ea\u5b9a\u4e49\u590d\u6742\u5bf9\u8c61\u7684\u521b\u5efa\u8fc7\u7a0b\uff0c\u800c BeanFactory<\/code> \u662f Spring \u5bb9\u5668\u7684\u57fa\u7840\u63a5\u53e3\uff0c\u8d1f\u8d23\u6574\u4f53\u7684 Bean \u7ba1\u7406\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
          \u5728 Spring \u4e2d\uff0cObjectFactory\u3001FactoryBean \u548c BeanFactory \u662f\u4e09\u4e2a\u4e0d […]<\/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-11901","post","type-post","status-publish","format-standard","hentry","category-spring"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11901","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=11901"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11901\/revisions"}],"predecessor-version":[{"id":37202,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11901\/revisions\/37202"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=11901"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=11901"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=11901"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}