{"id":8607,"date":"2023-11-28T20:32:34","date_gmt":"2023-11-28T12:32:34","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=8607"},"modified":"2023-12-06T10:50:26","modified_gmt":"2023-12-06T02:50:26","slug":"springboot-shi-wu-de-shi-yong-ni-le-jie-ma","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/springboot-shi-wu-de-shi-yong-ni-le-jie-ma\/","title":{"rendered":"SpringBoot\u4e8b\u7269\u7684\u4f7f\u7528\u4f60\u4e86\u89e3\u5417\uff1f"},"content":{"rendered":"

\u662f\u7684\uff0cSpring Boot \u901a\u8fc7 Spring \u7684\u4e8b\u52a1\u7ba1\u7406\u673a\u5236\u6765\u652f\u6301\u4e8b\u52a1\u5904\u7406\u3002\u5728 Spring Boot \u4e2d\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528 @Transactional<\/code> \u6ce8\u89e3\u6765\u58f0\u660e\u4e8b\u52a1\uff0c\u5b9e\u73b0\u5bf9\u6570\u636e\u5e93\u7684\u4e8b\u52a1\u64cd\u4f5c\u3002<\/p>\n

\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5173\u4e8e Spring Boot \u4e8b\u52a1\u7684\u57fa\u672c\u4f7f\u7528\u548c\u6ce8\u610f\u4e8b\u9879\uff1a<\/p>\n

    \n
  1. \n\u58f0\u660e\u5f0f\u4e8b\u52a1\u7ba1\u7406\uff1a<\/strong><\/p>\n
      \n
    • Spring Boot \u652f\u6301\u58f0\u660e\u5f0f\u4e8b\u52a1\u7ba1\u7406\uff0c\u901a\u8fc7 @Transactional<\/code> \u6ce8\u89e3\u5c06\u65b9\u6cd5\u6807\u8bb0\u4e3a\u9700\u8981\u4e8b\u52a1\u652f\u6301\u7684\u65b9\u6cd5\u3002\u5f53\u65b9\u6cd5\u6267\u884c\u65f6\uff0cSpring \u5c06\u4e3a\u8be5\u65b9\u6cd5\u521b\u5efa\u4e00\u4e2a\u4e8b\u52a1\uff0c\u5f53\u65b9\u6cd5\u6b63\u5e38\u7ed3\u675f\u65f6\uff0c\u4e8b\u52a1\u5c06\u88ab\u63d0\u4ea4\uff1b\u5f53\u65b9\u6cd5\u629b\u51fa\u5f02\u5e38\u65f6\uff0c\u4e8b\u52a1\u5c06\u88ab\u56de\u6eda\u3002<\/li>\n<\/ul>\n
      import org.springframework.transaction.annotation.Transactional;\n\n@Service\npublic class MyService {\n\n    @Autowired\n    private MyRepository myRepository;\n\n    @Transactional\n    public void performTransaction() {\n        \/\/ \u4e8b\u52a1\u5904\u7406\u903b\u8f91\n        myRepository.saveData();\n        \/\/ ...\n    }\n}\n<\/code><\/pre>\n<\/li>\n
    • \n\u4e8b\u52a1\u4f20\u64ad\u884c\u4e3a\uff1a<\/strong><\/p>\n
        \n
      • @Transactional<\/code> \u6ce8\u89e3\u8fd8\u5141\u8bb8\u4f60\u8bbe\u7f6e\u4e8b\u52a1\u7684\u4f20\u64ad\u884c\u4e3a\uff08Propagation\uff09\uff0c\u4f8b\u5982 REQUIRED<\/code>\u3001REQUIRES_NEW<\/code>\u3001NESTED<\/code> \u7b49\u3002\u4f20\u64ad\u884c\u4e3a\u5b9a\u4e49\u4e86\u5728\u5d4c\u5957\u8c03\u7528\u4e2d\u4e8b\u52a1\u5e94\u8be5\u5982\u4f55\u4f20\u64ad\u3002<\/li>\n<\/ul>\n
        @Transactional(propagation = Propagation.REQUIRED)\npublic void methodA() {\n    \/\/ ...\n}\n\n@Transactional(propagation = Propagation.REQUIRES_NEW)\npublic void methodB() {\n    \/\/ ...\n}\n<\/code><\/pre>\n<\/li>\n
      • \n\u4e8b\u52a1\u9694\u79bb\u7ea7\u522b\uff1a<\/strong><\/p>\n
          \n
        • \u4f60\u8fd8\u53ef\u4ee5\u4f7f\u7528 isolation<\/code> \u5c5e\u6027\u8bbe\u7f6e\u4e8b\u52a1\u7684\u9694\u79bb\u7ea7\u522b\u3002\u9694\u79bb\u7ea7\u522b\u5b9a\u4e49\u4e86\u4e8b\u52a1\u5bf9\u6570\u636e\u7684\u8bfb\u5199\u64cd\u4f5c\u4e4b\u95f4\u7684\u53ef\u89c1\u6027\u3002\u4f8b\u5982\uff0cREAD_COMMITTED<\/code>\u3001READ_UNCOMMITTED<\/code>\u3001SERIALIZABLE<\/code> \u7b49\u3002<\/li>\n<\/ul>\n
          @Transactional(isolation = Isolation.READ_COMMITTED)\npublic void methodC() {\n    \/\/ ...\n}\n<\/code><\/pre>\n<\/li>\n
        • \n\u4e8b\u52a1\u56de\u6eda\u548c\u5f02\u5e38\u5904\u7406\uff1a<\/strong><\/p>\n
            \n
          • \u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cSpring \u7684\u4e8b\u52a1\u7ba1\u7406\u5668\u4f1a\u5728\u9047\u5230 RuntimeException<\/code> \u6216 Error<\/code> \u65f6\u56de\u6eda\u4e8b\u52a1\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528 rollbackFor<\/code> \u5c5e\u6027\u6307\u5b9a\u9700\u8981\u56de\u6eda\u7684\u5f02\u5e38\u7c7b\u578b\u3002<\/li>\n<\/ul>\n
            @Transactional(rollbackFor = MyException.class)\npublic void methodD() throws MyException {\n    \/\/ ...\n}\n<\/code><\/pre>\n<\/li>\n
          • \n\u4e8b\u52a1\u7ba1\u7406\u5668\u7684\u914d\u7f6e\uff1a<\/strong><\/p>\n
              \n
            • Spring Boot \u9ed8\u8ba4\u4f7f\u7528 DataSourceTransactionManager<\/code> \u4f5c\u4e3a\u4e8b\u52a1\u7ba1\u7406\u5668\uff0c\u5b83\u4f1a\u81ea\u52a8\u4f7f\u7528\u5f53\u524d\u7684 DataSource<\/code>\u3002\u4f60\u4e5f\u53ef\u4ee5\u901a\u8fc7\u914d\u7f6e\u6587\u4ef6\u6765\u5207\u6362\u4e8b\u52a1\u7ba1\u7406\u5668\uff0c\u4f8b\u5982\u4f7f\u7528 JTA\uff08Java Transaction API\uff09\u3002<\/li>\n<\/ul>\n
              spring:\n  datasource:\n    # \u6570\u636e\u6e90\u914d\u7f6e\n  jta:\n    enabled: true\n<\/code><\/pre>\n<\/li>\n<\/ol>\n
              \u8fd9\u4e9b\u53ea\u662f Spring Boot \u4e8b\u52a1\u7ba1\u7406\u7684\u4e00\u4e9b\u57fa\u672c\u6982\u5ff5\u548c\u7528\u6cd5\u3002\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6839\u636e\u4e1a\u52a1\u9700\u6c42\uff0c\u4f60\u53ef\u80fd\u9700\u8981\u66f4\u6df1\u5165\u5730\u4e86\u89e3 Spring \u7684\u4e8b\u52a1\u7ba1\u7406\u673a\u5236\u4ee5\u53ca\u76f8\u5173\u914d\u7f6e\u9009\u9879\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
              \u662f\u7684\uff0cSpring Boot \u901a\u8fc7 Spring \u7684\u4e8b\u52a1\u7ba1\u7406\u673a\u5236\u6765\u652f\u6301\u4e8b\u52a1\u5904\u7406\u3002\u5728 Spring Boot \u4e2d […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[100],"tags":[],"class_list":["post-8607","post","type-post","status-publish","format-standard","hentry","category-springboot"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/8607","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=8607"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/8607\/revisions"}],"predecessor-version":[{"id":16639,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/8607\/revisions\/16639"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=8607"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=8607"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=8607"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}