<?php
session_start();
$link = mysql_connect("localhost","root","");
mysql_query("use user");
$sqlsrt = "select * from user where id ='".$_POST['id']."' and psd = '".$_POST['psd']."'";
$result = mysql_query($sqlstr,$link);
if(mysql_num_rows ($result) == 1 ){
echo "<center>会员登陆成功</center>";
}else{
echo "<center>会员登陆失败</center>";
}
mysql_free_result($result);
mysql_close($link);
?>报错:
Warning: mysql_num_rows(): supplied argument is not a valid MySQL result resource in D:\usr\webroot\zhubao\chk.php on line 8会员登陆失败Warning: mysql_free_result(): supplied argument is not a valid MySQL result resource in D:\usr\webroot\zhubao\chk.php on line 13请问这是什么意思啊?在线等。。急。。
session_start();
$link = mysql_connect("localhost","root","");
mysql_query("use user");
$sqlsrt = "select * from user where id ='".$_POST['id']."' and psd = '".$_POST['psd']."'";
$result = mysql_query($sqlstr,$link);
if(mysql_num_rows ($result) == 1 ){
echo "<center>会员登陆成功</center>";
}else{
echo "<center>会员登陆失败</center>";
}
mysql_free_result($result);
mysql_close($link);
?>报错:
Warning: mysql_num_rows(): supplied argument is not a valid MySQL result resource in D:\usr\webroot\zhubao\chk.php on line 8会员登陆失败Warning: mysql_free_result(): supplied argument is not a valid MySQL result resource in D:\usr\webroot\zhubao\chk.php on line 13请问这是什么意思啊?在线等。。急。。
眼睛5.0吧 嘿嘿 厉害 都看到了楼主 mysql_query("use user");
这句有mysql_select_db("user");
怎么不用?