mysql_connect("localhost","p840","XIAO") //主机,用户名,密码
or die("无法连接数据库,请重来");
mysql_select_db("p840_10617") //数据库名
or die("无法选择数据库,请重来");
$sql="SELECT `salt` FROM `uc_members` WHERE username = '$user'";
$query=mysql_query($sql);
$row=mysql_fetch_assoc($query);
$mima=$row[salt];
$mima2= md5(md5($pass).$mima);
$sql1="select * from uc_members WHERE username='$user' and password='$mima2'";
$sql2="select * from uc_members WHERE username='$user'";
$query1=mysql_query($sql1);
$query2=mysql_query($sql2);
$row1=mysql_fetch_assoc($query1);
$row2=mysql_fetch_assoc($query2);
$mima3=$row1[password];
$user2=$row2[username];