'SELECT * FROM members where ucard like \'%'.$_POST['uname'].'%\' or uname like \'%'.$_POST['uname'].'%\'';
换成"SELECT * FROM members where ucard like '%".$_POST['uname']."%\' or uname like '%".$_POST['uname']."%'"
不知道我的答案给你是否有帮助谢谢
----君少
你的SQl写的不对。符号出错了