/**
* Date: 2020/12/10
* Author:kele
* Description:事务的操作,合理使用回滚
*/
public class Testttt {
@Test
public void Test() {
Connection connection = null;
try {
//将可能需要回滚的代码放到此处
connection = JdbcUtil.getConnection();
QueryRunner runner = new QueryRunner();
connection.setAutoCommit(false);
String sql = "update t_user set salary = salary + ? where id = ?";
runner.update(connection,sql,100,2);
String sql2 = "update t_user set salary = salary -- ? where id = ?";
runner.update(connection,sql2,100,1);
//之前没有异常抛出,执行
connection.commit();
System.out.println("成功");
} catch (SQLException e) {
try {
System.out.println("失败");
//有异常抛出,回滚
connection.rollback();
} catch (SQLException e1) {
e1.printStackTrace();
}
JdbcUtil.closeConnection(connection);
e.printStackTrace();
}
}
}
jdbc rollback operation
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Origin blog.csdn.net/qq_38705144/article/details/110954580
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