Warning: mysql_fetch_array(): supplied argument is not a valid MySQL result resource in /var/www/html/init/dmodify.php on line 57Warning: mysql_fetch_array(): supplied argument is not a valid MySQL result resource in /var/www/html/init/dmodify.php on line 64Warning: mysql_free_result(): supplied argument is not a valid MySQL result resource in /var/www/html/init/dmodify.php on line 73 这是页面上的信息,我php都忘记光了,5555
或者,你的sql语句本身有语法问题。
先die ( mysql_error() )
如果没有问题,die ( mysql_num_rows())
$result=mysql_query($query);
$error=mysql_error();
if($error){
echo $error;
}
$row=mysql_fetch_array($result);是这么写的,遇到这一句就出错了
没有连接数据库或者数据库失败导致$rs查询为空
把第一名改成:
$query="select * from dept where dept_id='$modifyid';";