{"id":61067,"date":"2024-10-13T08:09:16","date_gmt":"2024-10-13T00:09:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/61067\/"},"modified":"2024-10-13T08:09:17","modified_gmt":"2024-10-13T00:09:17","slug":"db%e5%88%86%e5%ba%ab%e5%88%86%e8%a1%a8%ef%bc%884%ef%bc%89%ef%bc%9a%e5%a4%9a%e6%95%b8%e6%93%9a%e6%ba%90%e7%9a%84%e4%ba%8b%e5%8b%99%e8%99%95%e7%90%86","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/61067\/","title":{"rendered":"DB\u5206\u5eab\u5206\u8868\uff084\uff09\uff1a\u591a\u6578\u64da\u6e90\u7684\u4e8b\u52d9\u8655\u7406"},"content":{"rendered":"<h1 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id=\"%e5%af%a6%e7%8f%be%e5%a4%9a%e6%95%b8%e6%93%9a%e6%ba%90%e4%ba%8b%e5%8b%99%e8%99%95%e7%90%86%e7%9a%84%e7%a4%ba%e4%be%8b-frdqsiQtUk\">\u5be6\u73fe\u591a\u6578\u64da\u6e90\u4e8b\u52d9\u8655\u7406\u7684\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528\u5169\u968e\u6bb5\u63d0\u4ea4\u4f86\u8655\u7406\u591a\u6578\u64da\u6e90\u7684\u4e8b\u52d9\uff1a<\/p>\n<pre><code>public void transferFunds(String fromAccount, String toAccount, double amount) {\n    \/\/ \u958b\u59cb\u4e8b\u52d9\n    TransactionManager tm = new TransactionManager();\n    tm.begin();\n\n    try {\n        \/\/ \u5f9e\u7b2c\u4e00\u500b\u6578\u64da\u6e90\u6263\u6b3e\n        DataSource ds1 = getDataSource1();\n        ds1.withdraw(fromAccount, amount);\n\n        \/\/ \u5f9e\u7b2c\u4e8c\u500b\u6578\u64da\u6e90\u5b58\u6b3e\n        DataSource ds2 = getDataSource2();\n        ds2.deposit(toAccount, amount);\n\n        \/\/ \u63d0\u4ea4\u4e8b\u52d9\n    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