sql statment 打印sql

回答: 在JDBC中，可以通过调用PreparedStatement对象的toString()方法来打印SQL语句。例如，在执行executeQuery方法之前，可以使用ptmt.toString()来打印带有参数的SQL语句。另外，还可以使用((ClientPreparedStatement)ptmt).asSql()来打印带有参数的SQL语句。这样可以更好地了解SQL语句在执行之前的样子。\[2\]
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