login.php

这是php专业项目实例开发一书的源代码,希望对大家有所帮助!

<?php
$database="books";
$host="";
$dbusername="root";
$dbpassword="";


if (empty($email) || empty($password)) 
{
die("Incomplete form");
}

$result=mysql_connect($hostname,$dbusername,$dbpassword);
$result=mysql_select_db($database);

$query="select customerid,password from login where email='".$email."'";
$result=mysql_query($query);
if($row=mysql_fetch_array($result))
{
// echo "<h1>". md5($password)."</h1> <h1>". $row["password"]."</h1>";

 if (!(md5($password)===$row["password"]))
 {
 die("Invalid Password");
 }
 $customerid=$row["customerid"];
}
else
{
 die("User does not exist !"); 
}
$url="Location: mainpage.php?customerid=".$customerid;
header($url);
exit;
?>