{"id":11948,"date":"2023-11-28T22:38:46","date_gmt":"2023-11-28T14:38:46","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=11948"},"modified":"2023-12-11T14:49:39","modified_gmt":"2023-12-11T06:49:39","slug":"spring-shi-wu-zhong-you-na-ji-zhong-shi-wu-chuan-b","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/spring-shi-wu-zhong-you-na-ji-zhong-shi-wu-chuan-b\/","title":{"rendered":"Spring\u4e8b\u52a1\u4e2d\u6709\u54ea\u51e0\u79cd\u4e8b\u52a1\u4f20\u64ad\u884c\u4e3a\uff1f"},"content":{"rendered":"

\u5728 Spring \u4e2d\uff0c\u4e8b\u52a1\u4f20\u64ad\u884c\u4e3a\uff08Transaction Propagation Behavior\uff09\u7528\u4e8e\u5b9a\u4e49\u4e00\u4e2a\u65b9\u6cd5\u5728\u5df2\u6709\u4e8b\u52a1\u4e0a\u4e0b\u6587\u4e2d\u6267\u884c\u65f6\uff0c\u5982\u4f55\u5904\u7406\u4e8b\u52a1\u3002Spring \u63d0\u4f9b\u4e86\u591a\u79cd\u4e8b\u52a1\u4f20\u64ad\u884c\u4e3a\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u6839\u636e\u9700\u6c42\u9009\u62e9\u9002\u5f53\u7684\u4f20\u64ad\u884c\u4e3a\u3002\u4ee5\u4e0b\u662f\u5e38\u89c1\u7684\u51e0\u79cd\u4e8b\u52a1\u4f20\u64ad\u884c\u4e3a\uff1a<\/p>\n

    \n
  1. \nREQUIRED\uff08\u9ed8\u8ba4\uff09\uff1a<\/strong><\/p>\n
      \n
    • \u5982\u679c\u5f53\u524d\u5b58\u5728\u4e8b\u52a1\uff0c\u5219\u8be5\u65b9\u6cd5\u5728\u8be5\u4e8b\u52a1\u5185\u6267\u884c\uff1b\u5982\u679c\u5f53\u524d\u6ca1\u6709\u4e8b\u52a1\uff0c\u5219\u4f1a\u5f00\u542f\u4e00\u4e2a\u65b0\u7684\u4e8b\u52a1\u3002<\/li>\n
    • \u8fd9\u662f\u9ed8\u8ba4\u7684\u4f20\u64ad\u884c\u4e3a\uff0c\u9002\u7528\u4e8e\u7edd\u5927\u591a\u6570\u573a\u666f\u3002<\/li>\n<\/ul>\n
      @Transactional(propagation = Propagation.REQUIRED)\npublic void methodWithTransaction() {\n    \/\/ \u4e1a\u52a1\u903b\u8f91\n}\n<\/code><\/pre>\n<\/li>\n
    • \nSUPPORTS\uff1a<\/strong><\/p>\n
        \n
      • \u5982\u679c\u5f53\u524d\u5b58\u5728\u4e8b\u52a1\uff0c\u5219\u8be5\u65b9\u6cd5\u5728\u8be5\u4e8b\u52a1\u5185\u6267\u884c\uff1b\u5982\u679c\u5f53\u524d\u6ca1\u6709\u4e8b\u52a1\uff0c\u5219\u8be5\u65b9\u6cd5\u4ee5\u975e\u4e8b\u52a1\u7684\u65b9\u5f0f\u6267\u884c\u3002<\/li>\n<\/ul>\n
        @Transactional(propagation = Propagation.SUPPORTS)\npublic void methodWithTransactionSupports() {\n    \/\/ \u4e1a\u52a1\u903b\u8f91\n}\n<\/code><\/pre>\n<\/li>\n
      • \nMANDATORY\uff1a<\/strong><\/p>\n
          \n
        • \u8be5\u65b9\u6cd5\u5fc5\u987b\u5728\u4e00\u4e2a\u5df2\u6709\u7684\u4e8b\u52a1\u4e2d\u6267\u884c\uff0c\u5982\u679c\u5f53\u524d\u6ca1\u6709\u4e8b\u52a1\uff0c\u5219\u4f1a\u629b\u51fa\u5f02\u5e38\u3002<\/li>\n<\/ul>\n
          @Transactional(propagation = Propagation.MANDATORY)\npublic void methodWithTransactionMandatory() {\n    \/\/ \u4e1a\u52a1\u903b\u8f91\n}\n<\/code><\/pre>\n<\/li>\n
        • \nREQUIRES_NEW\uff1a<\/strong><\/p>\n
            \n
          • \u8be5\u65b9\u6cd5\u4f1a\u5f00\u542f\u4e00\u4e2a\u65b0\u7684\u4e8b\u52a1\uff0c\u5982\u679c\u5f53\u524d\u5b58\u5728\u4e8b\u52a1\uff0c\u5219\u5c06\u5176\u6302\u8d77\u3002<\/li>\n<\/ul>\n
            @Transactional(propagation = Propagation.REQUIRES_NEW)\npublic void methodWithTransactionRequiresNew() {\n    \/\/ \u4e1a\u52a1\u903b\u8f91\n}\n<\/code><\/pre>\n<\/li>\n
          • \nNOT_SUPPORTED\uff1a<\/strong><\/p>\n
              \n
            • \u8be5\u65b9\u6cd5\u4ee5\u975e\u4e8b\u52a1\u7684\u65b9\u5f0f\u6267\u884c\uff0c\u5982\u679c\u5f53\u524d\u5b58\u5728\u4e8b\u52a1\uff0c\u5219\u5c06\u5176\u6302\u8d77\u3002<\/li>\n<\/ul>\n
              @Transactional(propagation = Propagation.NOT_SUPPORTED)\npublic void methodWithTransactionNotSupported() {\n    \/\/ \u4e1a\u52a1\u903b\u8f91\n}\n<\/code><\/pre>\n<\/li>\n
            • \nNEVER\uff1a<\/strong><\/p>\n
                \n
              • \u8be5\u65b9\u6cd5\u4ee5\u975e\u4e8b\u52a1\u7684\u65b9\u5f0f\u6267\u884c\uff0c\u5982\u679c\u5f53\u524d\u5b58\u5728\u4e8b\u52a1\uff0c\u5219\u629b\u51fa\u5f02\u5e38\u3002<\/li>\n<\/ul>\n
                @Transactional(propagation = Propagation.NEVER)\npublic void methodWithTransactionNever() {\n    \/\/ \u4e1a\u52a1\u903b\u8f91\n}\n<\/code><\/pre>\n<\/li>\n
              • \nNESTED\uff1a<\/strong><\/p>\n
                  \n
                • \u5982\u679c\u5f53\u524d\u5b58\u5728\u4e8b\u52a1\uff0c\u5219\u8be5\u65b9\u6cd5\u5728\u5d4c\u5957\u4e8b\u52a1\u5185\u6267\u884c\uff1b\u5982\u679c\u5f53\u524d\u6ca1\u6709\u4e8b\u52a1\uff0c\u5219\u4f1a\u5f00\u542f\u4e00\u4e2a\u65b0\u7684\u4e8b\u52a1\u3002<\/li>\n
                • \u5d4c\u5957\u4e8b\u52a1\u662f Savepoint \u7684\u4e00\u79cd\u5b9e\u73b0\u3002<\/li>\n<\/ul>\n
                  @Transactional(propagation = Propagation.NESTED)\npublic void methodWithNestedTransaction() {\n    \/\/ \u4e1a\u52a1\u903b\u8f91\n}\n<\/code><\/pre>\n<\/li>\n<\/ol>\n
                  \u8fd9\u4e9b\u4e8b\u52a1\u4f20\u64ad\u884c\u4e3a\u53ef\u4ee5\u5728 @Transactional<\/code> \u6ce8\u89e3\u4e2d\u7684 propagation<\/code> \u5c5e\u6027\u4e2d\u8fdb\u884c\u8bbe\u7f6e\u3002\u9009\u62e9\u9002\u5f53\u7684\u4f20\u64ad\u884c\u4e3a\u6709\u52a9\u4e8e\u786e\u4fdd\u4e8b\u52a1\u7684\u4e00\u81f4\u6027\u548c\u9694\u79bb\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
                  \u5728 Spring \u4e2d\uff0c\u4e8b\u52a1\u4f20\u64ad\u884c\u4e3a\uff08Transaction Propagation Behavior\uff09\u7528\u4e8e\u5b9a\u4e49 […]<\/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-11948","post","type-post","status-publish","format-standard","hentry","category-spring"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11948","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=11948"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11948\/revisions"}],"predecessor-version":[{"id":40079,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11948\/revisions\/40079"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=11948"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=11948"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=11948"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}