{"id":11596,"date":"2023-11-28T22:27:17","date_gmt":"2023-11-28T14:27:17","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=11596"},"modified":"2023-12-11T11:27:07","modified_gmt":"2023-12-11T03:27:07","slug":"spring-zhong-shi-wu-ding-yi-de-chuan-bo-gui-ze-le","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/spring-zhong-shi-wu-ding-yi-de-chuan-bo-gui-ze-le\/","title":{"rendered":"Spring\u4e2d\u4e8b\u52a1\u5b9a\u4e49\u7684\u4f20\u64ad\u89c4\u5219\u4e86\u89e3\u5417\uff1f"},"content":{"rendered":"

\u5728Spring\u4e2d\uff0c\u4e8b\u52a1\u4f20\u64ad\u89c4\u5219\u5b9a\u4e49\u4e86\u5728\u4e00\u4e2a\u4e8b\u52a1\u65b9\u6cd5\u88ab\u53e6\u4e00\u4e2a\u4e8b\u52a1\u65b9\u6cd5\u8c03\u7528\u65f6\uff0c\u5b83\u4eec\u4e4b\u95f4\u7684\u4e8b\u52a1\u884c\u4e3a\u3002Spring\u6846\u67b6\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u7684\u4e8b\u52a1\u4f20\u64ad\u89c4\u5219\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u6839\u636e\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u4f20\u64ad\u89c4\u5219\u3002<\/p>\n

\u4ee5\u4e0b\u662fSpring\u4e8b\u52a1\u4f20\u64ad\u89c4\u5219\u7684\u4e3b\u8981\u7c7b\u578b\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\u52a0\u5165\u8be5\u4e8b\u52a1\uff1b\u5982\u679c\u5f53\u524d\u6ca1\u6709\u4e8b\u52a1\uff0c\u5219\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u4e8b\u52a1\u3002REQUIRED<\/code>\u662f\u9ed8\u8ba4\u7684\u4f20\u64ad\u89c4\u5219\u3002<\/li>\n<\/ul>\n<\/li>\n
    • \nSUPPORTS\uff1a<\/strong><\/p>\n
        \n
      • \u5982\u679c\u5f53\u524d\u5b58\u5728\u4e8b\u52a1\uff0c\u5219\u52a0\u5165\u8be5\u4e8b\u52a1\uff1b\u5982\u679c\u5f53\u524d\u6ca1\u6709\u4e8b\u52a1\uff0c\u5219\u4ee5\u975e\u4e8b\u52a1\u65b9\u5f0f\u6267\u884c\u3002<\/li>\n<\/ul>\n<\/li>\n
      • \nMANDATORY\uff1a<\/strong><\/p>\n
          \n
        • \u5982\u679c\u5f53\u524d\u5b58\u5728\u4e8b\u52a1\uff0c\u5219\u52a0\u5165\u8be5\u4e8b\u52a1\uff1b\u5982\u679c\u5f53\u524d\u6ca1\u6709\u4e8b\u52a1\uff0c\u5219\u629b\u51fa\u5f02\u5e38\u3002\u8981\u6c42\u5f53\u524d\u65b9\u6cd5\u5728\u4e8b\u52a1\u4e2d\u6267\u884c\u3002<\/li>\n<\/ul>\n<\/li>\n
        • \nREQUIRES_NEW\uff1a<\/strong><\/p>\n
            \n
          • \u603b\u662f\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u4e8b\u52a1\uff0c\u5982\u679c\u5f53\u524d\u5b58\u5728\u4e8b\u52a1\uff0c\u5219\u5c06\u5f53\u524d\u4e8b\u52a1\u6302\u8d77\u3002\u65b0\u7684\u4e8b\u52a1\u4e0e\u5f53\u524d\u4e8b\u52a1\u662f\u5b8c\u5168\u72ec\u7acb\u7684\u3002<\/li>\n<\/ul>\n<\/li>\n
          • \nNOT_SUPPORTED\uff1a<\/strong><\/p>\n
              \n
            • \u603b\u662f\u4ee5\u975e\u4e8b\u52a1\u65b9\u5f0f\u6267\u884c\u64cd\u4f5c\uff0c\u5982\u679c\u5f53\u524d\u5b58\u5728\u4e8b\u52a1\uff0c\u5219\u5c06\u5f53\u524d\u4e8b\u52a1\u6302\u8d77\u3002<\/li>\n<\/ul>\n<\/li>\n
            • \nNEVER\uff1a<\/strong><\/p>\n
                \n
              • \u603b\u662f\u4ee5\u975e\u4e8b\u52a1\u65b9\u5f0f\u6267\u884c\u64cd\u4f5c\uff0c\u5982\u679c\u5f53\u524d\u5b58\u5728\u4e8b\u52a1\uff0c\u5219\u629b\u51fa\u5f02\u5e38\u3002<\/li>\n<\/ul>\n<\/li>\n
              • \nNESTED\uff1a<\/strong><\/p>\n
                  \n
                • \u5982\u679c\u5f53\u524d\u5b58\u5728\u4e8b\u52a1\uff0c\u5219\u5728\u5d4c\u5957\u4e8b\u52a1\u5185\u6267\u884c\u3002\u5d4c\u5957\u4e8b\u52a1\u662f\u72ec\u7acb\u4e8e\u5f53\u524d\u4e8b\u52a1\u7684\u5b50\u4e8b\u52a1\u3002\u5982\u679c\u5f53\u524d\u6ca1\u6709\u4e8b\u52a1\uff0c\u5219\u884c\u4e3a\u4e0eREQUIRED<\/code>\u4e00\u6837\u3002<\/li>\n<\/ul>\n<\/li>\n
                • \nNESTED\uff08JTA\u73af\u5883\uff09\uff1a<\/strong><\/p>\n
                    \n
                  • \u5728JTA\u73af\u5883\u4e2d\uff0cNESTED<\/code>\u4e0eNESTED<\/code>\uff08\u975eJTA\u73af\u5883\uff09\u76f8\u540c\u3002\u5728\u975eJTA\u73af\u5883\u4e2d\uff0cNESTED<\/code>\u88ab\u5f53\u4f5cREQUIRED<\/code>\u5904\u7406\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n

                    \u8fd9\u4e9b\u4f20\u64ad\u89c4\u5219\u5141\u8bb8\u5f00\u53d1\u8005\u5728\u8c03\u7528\u4e8b\u52a1\u65b9\u6cd5\u65f6\u7075\u6d3b\u5730\u5b9a\u4e49\u4e8b\u52a1\u7684\u884c\u4e3a\u3002\u4f8b\u5982\uff0c\u4f7f\u7528REQUIRED<\/code>\u53ef\u4ee5\u8ba9\u4e00\u4e2a\u65b9\u6cd5\u53c2\u4e0e\u5230\u5f53\u524d\u4e8b\u52a1\u4e2d\uff0c\u800c\u4f7f\u7528REQUIRES_NEW<\/code>\u5219\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u72ec\u7acb\u4e8b\u52a1\uff0c\u4e0e\u5f53\u524d\u4e8b\u52a1\u65e0\u5173\u3002<\/p>\n

                    \u5728\u4f7f\u7528@Transactional<\/code>\u6ce8\u89e3\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528propagation<\/code>\u5c5e\u6027\u6765\u6307\u5b9a\u4e8b\u52a1\u7684\u4f20\u64ad\u89c4\u5219\u3002\u4f8b\u5982\uff1a<\/p>\n

                    import org.springframework.transaction.annotation.Transactional;\n\n@Service\npublic class MyService {\n\n    @Transactional(propagation = Propagation.REQUIRED)\n    public void requiredTransactionMethod() {\n        \/\/ ...\n    }\n\n    @Transactional(propagation = Propagation.REQUIRES_NEW)\n    public void requiresNewTransactionMethod() {\n        \/\/ ...\n    }\n}\n<\/code><\/pre>\n
                    \u5728XML\u914d\u7f6e\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528<tx:method><\/code>\u5143\u7d20\u6765\u6307\u5b9a\u4f20\u64ad\u89c4\u5219\u3002\u4f8b\u5982\uff1a<\/p>\n
                    <tx:advice id="txAdvice">\n    <tx:attributes>\n        <tx:method name="requiredTransactionMethod" propagation="REQUIRED" \/>\n        <tx:method name="requiresNewTransactionMethod" propagation="REQUIRES_NEW" \/>\n    <\/tx:attributes>\n<\/tx:advice>\n<\/code><\/pre>\n
                    \u6839\u636e\u4e1a\u52a1\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u4e8b\u52a1\u4f20\u64ad\u89c4\u5219\u975e\u5e38\u91cd\u8981\uff0c\u53ef\u4ee5\u786e\u4fdd\u4e8b\u52a1\u884c\u4e3a\u7b26\u5408\u9884\u671f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
                    \u5728Spring\u4e2d\uff0c\u4e8b\u52a1\u4f20\u64ad\u89c4\u5219\u5b9a\u4e49\u4e86\u5728\u4e00\u4e2a\u4e8b\u52a1\u65b9\u6cd5\u88ab\u53e6\u4e00\u4e2a\u4e8b\u52a1\u65b9\u6cd5\u8c03\u7528\u65f6\uff0c\u5b83\u4eec\u4e4b\u95f4\u7684\u4e8b\u52a1\u884c\u4e3a\u3002Spring\u6846\u67b6 […]<\/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-11596","post","type-post","status-publish","format-standard","hentry","category-spring"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11596","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=11596"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11596\/revisions"}],"predecessor-version":[{"id":17089,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11596\/revisions\/17089"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=11596"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=11596"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=11596"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}