{"id":11500,"date":"2023-11-28T22:20:23","date_gmt":"2023-11-28T14:20:23","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=11500"},"modified":"2023-12-11T10:59:07","modified_gmt":"2023-12-11T02:59:07","slug":"spring-zhong-debean-de-zuo-yong-yu-you-na-xie","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/spring-zhong-debean-de-zuo-yong-yu-you-na-xie\/","title":{"rendered":"Spring\u4e2d\u7684bean\u7684\u4f5c\u7528\u57df\u6709\u54ea\u4e9b\uff1f"},"content":{"rendered":"

\u5728Spring\u6846\u67b6\u4e2d\uff0cBean\u7684\u4f5c\u7528\u57df\u5b9a\u4e49\u4e86\u5728Spring\u5bb9\u5668\u4e2d\u521b\u5efa\u548c\u7ba1\u7406\u7684Bean\u5b9e\u4f8b\u7684\u751f\u547d\u5468\u671f\u548c\u53ef\u89c1\u8303\u56f4\u3002Spring\u6846\u67b6\u652f\u6301\u4ee5\u4e0b\u51e0\u79cdBean\u7684\u4f5c\u7528\u57df\uff1a<\/p>\n

    \n
  1. \nSingleton\uff08\u5355\u4f8b\uff09\uff1a<\/strong><\/p>\n
      \n
    • \u5728\u6574\u4e2aSpring\u5bb9\u5668\u4e2d\uff0c\u53ea\u5b58\u5728\u4e00\u4e2aBean\u7684\u5b9e\u4f8b\u3002\u8fd9\u662f\u9ed8\u8ba4\u7684\u4f5c\u7528\u57df\uff0c\u5f53\u5bb9\u5668\u542f\u52a8\u65f6\u5c31\u4f1a\u521b\u5efa\u5e76\u521d\u59cb\u5316\u8fd9\u4e2a\u552f\u4e00\u7684Bean\u5b9e\u4f8b\uff0c\u4e4b\u540e\u6240\u6709\u5bf9\u8be5Bean\u7684\u8bf7\u6c42\u90fd\u8fd4\u56de\u76f8\u540c\u7684\u5b9e\u4f8b\u3002<\/li>\n<\/ul>\n
      @Scope("singleton")\npublic class MySingletonBean {\n    \/\/ ...\n}\n<\/code><\/pre>\n<\/li>\n
    • \nPrototype\uff08\u539f\u578b\uff09\uff1a<\/strong><\/p>\n
        \n
      • \u6bcf\u6b21\u5bf9Bean\u7684\u8bf7\u6c42\u90fd\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5b9e\u4f8b\u3002\u6bcf\u4e2a\u8bf7\u6c42\u90fd\u8fd4\u56de\u4e00\u4e2a\u72ec\u7acb\u7684Bean\u5b9e\u4f8b\uff0c\u4e0d\u5171\u4eab\u72b6\u6001\u3002\u5728\u5bb9\u5668\u542f\u52a8\u65f6\u4e0d\u4f1a\u521b\u5efaPrototype Bean\u5b9e\u4f8b\uff0c\u800c\u662f\u5728\u6bcf\u6b21\u8bf7\u6c42\u65f6\u90fd\u4f1a\u521b\u5efa\u65b0\u7684\u5b9e\u4f8b\u3002<\/li>\n<\/ul>\n
        @Scope("prototype")\npublic class MyPrototypeBean {\n    \/\/ ...\n}\n<\/code><\/pre>\n<\/li>\n
      • \nRequest\uff08\u8bf7\u6c42\uff09\uff1a<\/strong><\/p>\n
          \n
        • \u5728Web\u5e94\u7528\u4e2d\uff0c\u6bcf\u4e2aHTTP\u8bf7\u6c42\u90fd\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684Bean\u5b9e\u4f8b\uff0c\u8be5\u5b9e\u4f8b\u4ec5\u5728\u5f53\u524dHTTP\u8bf7\u6c42\u8303\u56f4\u5185\u6709\u6548\u3002\u4ec5\u5728Web\u5e94\u7528\u4e2d\u4f7f\u7528\u3002<\/li>\n<\/ul>\n
          @Scope("request")\npublic class MyRequestScopedBean {\n    \/\/ ...\n}\n<\/code><\/pre>\n<\/li>\n
        • \nSession\uff08\u4f1a\u8bdd\uff09\uff1a<\/strong><\/p>\n
            \n
          • \u5728Web\u5e94\u7528\u4e2d\uff0c\u6bcf\u4e2a\u7528\u6237\u4f1a\u8bdd\u90fd\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684Bean\u5b9e\u4f8b\uff0c\u8be5\u5b9e\u4f8b\u5728\u7528\u6237\u4f1a\u8bdd\u8303\u56f4\u5185\u6709\u6548\u3002\u4ec5\u5728Web\u5e94\u7528\u4e2d\u4f7f\u7528\u3002<\/li>\n<\/ul>\n
            @Scope("session")\npublic class MySessionScopedBean {\n    \/\/ ...\n}\n<\/code><\/pre>\n<\/li>\n
          • \nGlobal Session\uff08\u5168\u5c40\u4f1a\u8bdd\uff09\uff1a<\/strong><\/p>\n
              \n
            • \u5728Portlet\u5e94\u7528\u4e2d\uff0c\u6bcf\u4e2a\u5168\u5c40\u4f1a\u8bdd\u90fd\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684Bean\u5b9e\u4f8b\uff0c\u8be5\u5b9e\u4f8b\u5728\u5168\u5c40\u4f1a\u8bdd\u8303\u56f4\u5185\u6709\u6548\u3002\u4ec5\u5728Portlet\u5e94\u7528\u4e2d\u4f7f\u7528\u3002<\/li>\n<\/ul>\n
              @Scope("globalSession")\npublic class MyGlobalSessionScopedBean {\n    \/\/ ...\n}\n<\/code><\/pre>\n<\/li>\n<\/ol>\n
              \u8fd9\u4e9b\u4f5c\u7528\u57df\u5141\u8bb8\u5f00\u53d1\u8005\u6839\u636e\u5e94\u7528\u7a0b\u5e8f\u7684\u9700\u6c42\u9009\u62e9\u9002\u5f53\u7684Bean\u4f5c\u7528\u57df\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cSpring\u4e2d\u7684Bean\u90fd\u662fSingleton\u4f5c\u7528\u57df\uff0c\u5373\u5728\u6574\u4e2a\u5bb9\u5668\u4e2d\u53ea\u5b58\u5728\u4e00\u4e2a\u5b9e\u4f8b\u3002\u9009\u62e9\u4e0d\u540c\u7684\u4f5c\u7528\u57df\u6709\u52a9\u4e8e\u7ba1\u7406Bean\u7684\u751f\u547d\u5468\u671f\u548c\u8d44\u6e90\uff0c\u4ee5\u53ca\u63d0\u9ad8\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
              \u5728Spring\u6846\u67b6\u4e2d\uff0cBean\u7684\u4f5c\u7528\u57df\u5b9a\u4e49\u4e86\u5728Spring\u5bb9\u5668\u4e2d\u521b\u5efa\u548c\u7ba1\u7406\u7684Bean\u5b9e\u4f8b\u7684\u751f\u547d\u5468\u671f\u548c\u53ef\u89c1\u8303\u56f4\u3002 […]<\/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-11500","post","type-post","status-publish","format-standard","hentry","category-spring"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11500","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=11500"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11500\/revisions"}],"predecessor-version":[{"id":17057,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11500\/revisions\/17057"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=11500"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=11500"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=11500"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}