{"id":373,"date":"2023-02-20T09:39:08","date_gmt":"2023-02-20T01:39:08","guid":{"rendered":"https:\/\/xinchewhd.com.cn\/?p=373"},"modified":"2023-05-28T01:23:47","modified_gmt":"2023-05-27T17:23:47","slug":"transactional%e4%ba%8b%e5%8a%a1%e6%b3%a8%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/xinchewhd.com.cn\/index.php\/spring-boot\/transactional%e4%ba%8b%e5%8a%a1%e6%b3%a8%e8%a7%a3\/","title":{"rendered":"@Transactional\u4e8b\u52a1\u6ce8\u89e3"},"content":{"rendered":"
\n

\u4e00\u3001<\/span>Spring \u4e8b\u52a1\u7684\u4f20\u64ad\u884c\u4e3a<\/span><\/strong><\/p>\n

\u6240\u8c13\u4e8b\u52a1\u7684\u4f20\u64ad\u884c\u4e3a\u662f\u6307\uff0c\u5982\u679c\u5728\u5f00\u59cb\u5f53\u524d\u4e8b\u52a1\u4e4b\u524d\uff0c\u4e00\u4e2a\u4e8b\u52a1\u4e0a\u4e0b\u6587\u5df2\u7ecf\u5b58\u5728\uff0c\u6b64\u65f6\u6709\u82e5\u5e72\u9009\u9879\u53ef\u4ee5\u6307\u5b9a\u4e00\u4e2a\u4e8b\u52a1\u6027\u65b9\u6cd5\u7684\u6267\u884c\u884c\u4e3a\u3002<\/span>\u5728<\/span> <\/span>TransactionDefinition \u5b9a\u4e49\u4e2d\u5305\u62ec\u4e86\u5982\u4e0b\u51e0\u4e2a\u8868\u793a\u4f20\u64ad\u884c\u4e3a\u7684\u5e38\u91cf\uff1a<\/span><\/p>\n

1.<\/span>TransactionDefinition.PROPAGATION_REQUIRED\uff1a\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\u3002\u9ed8\u8ba4\u503c\u3002<\/span><\/p>\n

2.<\/span>TransactionDefinition.PROPAGATION_REQUIRES_NEW\uff1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u4e8b\u52a1\uff0c\u5982\u679c\u5f53\u524d\u5b58\u5728\u4e8b\u52a1\uff0c\u5219\u628a\u5f53\u524d\u4e8b\u52a1\u6302\u8d77\u3002<\/span><\/p>\n

3.<\/span>TransactionDefinition.PROPAGATION_SUPPORTS\uff1a\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\u7684\u65b9\u5f0f\u7ee7\u7eed\u8fd0\u884c\u3002<\/span><\/p>\n

4.<\/span>TransactionDefinition.PROPAGATION_NOT_SUPPORTED\uff1a\u4ee5\u975e\u4e8b\u52a1\u65b9\u5f0f\u8fd0\u884c\uff0c\u5982\u679c\u5f53\u524d\u5b58\u5728\u4e8b\u52a1\uff0c\u5219\u628a\u5f53\u524d\u4e8b\u52a1\u6302\u8d77\u3002<\/span><\/p>\n

5.<\/span>TransactionDefinition.PROPAGATION_NEVER\uff1a\u4ee5\u975e\u4e8b\u52a1\u65b9\u5f0f\u8fd0\u884c\uff0c\u5982\u679c\u5f53\u524d\u5b58\u5728\u4e8b\u52a1\uff0c\u5219\u629b\u51fa\u5f02\u5e38\u3002<\/span><\/p>\n

6.<\/span>TransactionDefinition.PROPAGATION_MANDATORY\uff1a\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<\/span><\/p>\n

7.<\/span>TransactionDefinition.PROPAGATION_NESTED\uff1a\u5982\u679c\u5f53\u524d\u5b58\u5728\u4e8b\u52a1\uff0c\u5219\u521b\u5efa\u4e00\u4e2a\u4e8b\u52a1\u4f5c\u4e3a\u5f53\u524d\u4e8b\u52a1\u7684\u5d4c\u5957\u4e8b\u52a1\u6765\u8fd0\u884c\uff1b\u5982\u679c\u5f53\u524d\u6ca1\u6709\u4e8b\u52a1\uff0c\u5219\u8be5\u53d6\u503c\u7b49\u4ef7\u4e8eTransactionDefinition.PROPAGATION_REQUIRED\u3002<\/span><\/p>\n

\u4e8c\u3001<\/span>\u56de\u6eda\u673a\u5236<\/span><\/span><\/strong><\/p>\n

1. <\/span>Spring \u7684 AOP \u5373\u58f0\u660e\u5f0f\u4e8b\u52a1\u7ba1\u7406\u9ed8\u8ba4\u662f\u9488\u5bf9 unchecked exception\uff08<\/span>RuntimeException<\/span>\uff09<\/span> \u56de\u6eda\u3002<\/span><\/span><\/h2>\n

2. <\/span>Spring \u7684\u4e8b\u52a1\u8fb9\u754c\u662f\u5728\u8c03\u7528\u4e1a\u52a1\u65b9\u6cd5\u4e4b\u524d\u5f00\u59cb\u7684\uff0c\u4e1a\u52a1\u65b9\u6cd5\u6267\u884c\u5b8c\u6bd5\u4e4b\u540e\u6765\u6267\u884c commit or rollback\uff08Spring \u9ed8\u8ba4\u53d6\u51b3\u4e8e\u662f\u5426\u629b\u51fa runtimeException\uff09\u3002<\/span><\/h2>\n

3. <\/span>\u5982\u679c\u4f60\u5728\u65b9\u6cd5\u4e2d\u6709<\/span> try{}catch(Exception e){} \u5904\u7406\uff0c\u90a3\u4e48 try \u91cc\u9762\u7684\u4ee3\u7801\u5757\u5c31\u8131\u79bb\u4e86\u4e8b\u52a1\u7684\u7ba1\u7406\uff0c\u82e5\u8981\u4e8b\u52a1\u751f\u6548\u9700\u8981\u5728 catch \u4e2d throw new RuntimeException (\"xxxxxx\")\u3002<\/span><\/span><\/h2>\n

\u4e09\u3001<\/span>\u5e95\u5c42\u5b9e\u73b0<\/span><\/span><\/strong><\/p>\n

\u4e8b\u7269\u8c03\u7528\u56fe\u5982\u4e0b\uff1a<\/span><\/span><\/p>\n

\u56db\u3001<\/span>\u4e8b\u52a1\u5931\u6548\u5e38\u89c1\u573a\u666f<\/span><\/span><\/strong><\/p>\n

1. <\/span>\u793a\u4f8b\uff1a\u4e8b\u52a1\u65b9\u6cd5\u8bbf\u95ee\u4fee\u9970\u7b26\u975e<\/span>public\uff0c\u5bfc\u81f4\u4e8b\u52a1\u5931\u6548<\/span><\/span><\/h2>\n

\u89e3\u51b3\uff1a\u5c06\u65b9\u6cd5\u4fee\u9970\u7b26\u6539\u4e3a<\/span>public\uff1b\u5f00\u542fAspectJ\u4ee3\u7406\u6a21\u5f0f<\/span><\/span><\/p>\n

\u6ce8\u610f\uff1a\u5982\u679c\u4e8b\u52a1\u662f<\/span>static\u3001final\u7684\uff0c\u540c\u6837\u65e0\u6cd5\u901a\u8fc7\u52a8\u6001\u4ee3\u7406\uff0c\u4e8b\u52a1\u4e5f\u662f\u4e0d\u4f1a\u751f\u6548\u7684\u3002Spring\u7684\u58f0\u660e\u5f0f\u4e8b\u52a1\u662f\u57fa\u4e8e\u52a8\u6001\u4ee3\u7406\u5b9e\u73b0\u7684\uff0c\u6211\u4eec\u65e0\u6cd5\u91cd\u5199final\u4fee\u9970\u7684\u65b9\u6cd5\uff1b\u4e0d\u7ba1\u662fJDK\u52a8\u6001\u4ee3\u7406\u8fd8\u662fCglib\u7684\u52a8\u6001\u4ee3\u7406\uff0c\u5c31\u662f\u8981\u901a\u8fc7\u4ee3\u7406\u7684\u65b9\u5f0f\u83b7\u53d6\u5230\u4ee3\u7406\u7684\u5177\u4f53\u5bf9\u8c61\uff0c\u800cstatic\u65b9\u6cd5\u4fee\u9970\u7684\u65b9\u6cd5\u662f\u5c5e\u4e8e\u7c7b\u7684\uff0c\u4e0d\u5c5e\u4e8e\u4efb\u4f55\u5bf9\u8c61\uff0c\u6240\u4ee5static\u65b9\u6cd5\u4e0d\u80fd\u88ab\u91cd\u5199\uff0c\u5373\u4fbf\u5199\u6cd5\u4e0a\u662f\u91cd\u5199\uff0c\u4f46\u662f\u5e76\u4e0d\u5177\u5907\u91cd\u5199\u7684\u542b\u4e49\uff0c\u4e5f\u5c31\u662f\u8bf4static\u65b9\u6cd5\u4e5f\u4e0d\u88ab\u8fdb\u884c\u52a8\u6001\u4ee3\u7406\u3002<\/span><\/span><\/p>\n

2. <\/span>\u793a\u4f8b\uff1a<\/span>@Transactional\u6ce8\u89e3\u7684\u65b9\u6cd5\u629b\u51fa\u7684\u5f02\u5e38\u4e0d\u662fspring\u7684\u4e8b\u52a1\u652f\u6301\u7684\u5f02\u5e38\uff0c\u5bfc\u81f4\u4e8b\u52a1\u5931\u6548<\/span><\/span><\/h2>\n

\u89e3\u51b3\uff1a\u4fee\u6539\u4e3a<\/span><\/span>@Transactional(rollbackFor = Exception.class)<\/span>\u6216\u629b\u51fa<\/span><\/span>throw new <\/span>RuntimeException <\/span><\/span>(\"\");<\/span><\/p>\n

\u6ce8\u610f\uff1a<\/span><\/span>spring\u7684\u4e8b\u52a1\u53ea\u652f\u6301\u672a\u68c0\u67e5\u5f02\u5e38\uff08unchecked\uff09\uff0c\u4e0d\u652f\u6301\u5df2\u68c0\u67e5\u5f02\u5e38\uff08checked\uff09\u3002<\/span><\/p>\n

3. <\/span>\u793a\u4f8b\uff1a<\/span>\u6570\u636e\u8868\u672c\u8eab\u662f\u4e0d\u652f\u6301\u4e8b\u52a1\uff0c\u5bfc\u81f4\u4e8b\u52a1\u5931\u6548<\/span><\/h2>\n

\u89e3\u51b3\uff1a<\/span><\/span>\u5982\u679c\u4f7f\u7528<\/span>MySQL\u4e14\u5b58\u50a8\u5f15\u64ce\u662fMyISAM\uff0c\u5219\u4e8b\u52a1\u662f\u4e0d\u8d77\u4f5c\u7528\u7684\uff0c\u539f\u56e0\u662fMyIASM\u4e0d\u652f\u6301\u4e8b\u52a1\u3002<\/span><\/p>\n

\u89e3\u51b3<\/span><\/span>\uff1a<\/span><\/span>\u6570\u636e\u8868\u53ef\u4ee5\u6539\u4e3a<\/span>InnoDB\u5b58\u50a8\u5f15\u64ce\uff0c\u652f\u6301\u4e8b\u52a1<\/span><\/p>\n

4. <\/span>\u793a\u4f8b\uff1a<\/span>@Transactional\u6ce8\u89e3\u6240\u5728\u7684\u7c7b\u6ca1\u6709\u88abspring\u7ba1\u7406\uff0c\u5bfc\u81f4\u4e8b\u52a1\u5931\u6548<\/span><\/h2>\n

\u89e3\u51b3<\/span><\/span>\uff1a<\/span><\/span>\u52a0\u4e0a<\/span>@Service\u6ce8\u89e3\u6216\u8005\u4f7f\u7528\u5176\u4ed6\u80fd\u6ce8\u518c\u6210Spring Bean\u7684\u65b9\u5f0f\u6216\u6ce8\u89e3\u3002<\/span><\/p>\n

5. <\/span>\u793a\u4f8b\uff1a<\/span>catch\u6389\u5f02\u5e38\u4e4b\u540e\uff0c\u6ca1\u6709\u518d\u6b21\u629b\u51fa\u5f02\u5e38\uff0c\u5bfc\u81f4\u4e8b\u52a1\u5931\u6548<\/span><\/h2>\n

\u89e3\u51b3<\/span><\/span>\uff1a\u5728<\/span><\/span>catch<\/span>\u4e2d\u629b\u51fa\u5f02\u5e38<\/span><\/span><\/p>\n

\u6ce8\u610f<\/span><\/span>\uff1a<\/span><\/span>\u5982\u679c\u5728\u52a0\u6709\u4e8b\u52a1\u7684\u65b9\u6cd5\u5185\uff0c\u4f7f\u7528\u4e86<\/span>try\u2026catch\u2026\u8bed\u53e5\u5757\u5bf9\u5f02\u5e38\u8fdb\u884c\u4e86\u6355\u83b7\uff0c\u800ccatch\u8bed\u53e5\u5757\u6ca1\u6709throw new RuntimeException\u5f02\u5e38\u6216\u8005Spring\u652f\u6301\u7684\u5f02\u5e38\u7c7b\u578b\uff0c\u5219\u4e8b\u52a1\u4e0d\u4f1a\u56de\u6eda\u3002<\/span><\/p>\n

6. <\/span>\u793a\u4f8b\uff1a<\/span>\u975e\u4e8b\u52a1\u65b9\u6cd5\u81ea\u8eab\uff08<\/span>this\uff09<\/span>\u4e8b\u52a1<\/span>\u95ee\u9898\uff0c\u5bfc\u81f4\u4e8b\u52a1\u5931\u6548<\/span><\/h2>\n

\u89e3\u51b3<\/span><\/span>\uff1a\u81ea\u5df1\u6ce8\u5165\u81ea\u5df1\uff0c\u7528\u6ce8\u5165\u5b9e\u4f8b\u8c03\u7528\uff1b\u83b7\u53d6\u4ee3\u7406\u7c7b\uff0c\u5229\u7528\u4ee3\u7406\u7c7b<\/span>(<\/span><\/span>AopContext.currentProxy ()<\/span>)\u8c03\u7528\u81ea\u5df1\u7684\u7c7b\u65b9\u6cd5;\u62c6\u5206<\/span><\/span>\u3002<\/span><\/span><\/p>\n

\u6ce8\u610f<\/span><\/span>\uff1a\u7531\u4e8e<\/span><\/span>@Transactional<\/span>\u7684\u5b9e\u73b0\u539f\u7406\u662f<\/span>AOP\uff0caop\u662f\u52a8\u6001\u4ee3\u7406\uff0c\u81ea\u5df1\u8c03\u7528\u81ea\u5df1\uff0c\u5e76\u4e0d\u5b58\u5728\u4ee3\u7406\u5bf9\u8c61\u7684\u8c03\u7528<\/span><\/span><\/p>\n

7. <\/span>\u793a\u4f8b\uff1a<\/span>\u6570\u636e\u6e90\u6ca1\u6709\u914d\u7f6e\u4e8b\u52a1\u7ba1\u7406\u5668\uff0c\u5bfc\u81f4\u4e8b\u52a1\u5931\u6548<\/span><\/h2>\n

8. <\/span>\u793a\u4f8b\uff1a<\/span>\u4f20\u64ad\u7c7b\u578b\u4e0d\u652f\u6301\u4e8b\u52a1\uff0c\u5bfc\u81f4\u4e8b\u52a1\u5931\u6548<\/span><\/h2>\n

9. <\/span>\u793a\u4f8b\uff1a<\/span>\u591a\u7ebf\u7a0b\u8c03\u7528\uff0c\u5bfc\u81f4\u4e8b\u52a1\u5931\u6548<\/span><\/h2>\n

\u6ce8\u610f<\/span><\/span>\uff1a\u4e24\u4e2a\u65b9\u6cd5\u4e0d\u5728\u540c\u4e00\u4e2a\u7ebf\u7a0b\uff0c\u6570\u636e\u5e93\u8fde\u63a5\u4e0d\u4e00\u6837\uff0c\u4ece\u800c\u6709\u4e0d\u540c\u7684\u4e8b\u52a1\u3002<\/span><\/span><\/p>\n


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\n

\u672c\u7bc7\u6587\u7ae0\u6765\u6e90\u4e8e\u5fae\u4fe1\u516c\u4f17\u53f7: \u65b9\u7247\u56db <\/p>\n<\/blockquote>\n<\/div>\n","raw":"","protected":false},"excerpt":{"rendered":"

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