Can not issue data manipulation statements with executeQuery()的解决方案

Can not issue data manipulation statements with executeQuery() 报错的解决方案：

把“ResultSet rs = statement.executeQuery(sql);”改成“boolean rs = statement.execute(sql);”就不会报错了。

原因是查询sql是把查询的结果都打印出来，修改更新（update）只需要判断是否执行成功，不需要打印结果，

所以这里不能用executeQuery()方法。

上面打印的结果显示false，查看数据库的值已经被修改了。把“ statement.execute(sql)”改成

“ statement.executeUpdate(sql);”就可以啦~

原文地址：https://www.cnblogs.com/changpuyi/p/10427963.html

时间： 2024-10-12 02:11:07

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