login.php

(完整代码) 1KB

<?php
session_start();
include('./conn.php');
$user1=htmlspecialchars($_POST["username"]);
$pass1=htmlspecialchars($_POST["pwd"]);
$number1=htmlspecialchars($_POST["number"]);
if (empty($user1))
  {
  echo ("<script type='text/javascript'>alert('用户名不能是空的');history.go(-1);</script>");
  exit;}
if (empty($pass1))
  {
  echo ("<script type='text/javascript'> alert('密码不能是空的');history.go(-1);</script>");
  exit;}
if($txtid==2)
{
 $sql="select * from admin where user='".$user1."' and pass='".$pass1."'";

 $res=mysql_query($sql);
$user=mysql_fetch_array($res);
if(!$user)
  {
   echo ("<script type='text/javascript'> alert('管理员用户名或密码不正确');history.go(-1);</script>");
  }
else
  {
$_SESSION[login_type]=1;
  $_SESSION['username']=$user[user];

  echo "<meta http-equiv=\"refresh\" content=\"0;URL=admin.php\">";
 }
 }
 if($txtid==1)
 {
$sql="select * from workers where uname='$user1' and pwd='$pass1'";

 $res=mysql_query($sql);
$user=mysql_fetch_array($res);
if(!$user)
  {
   echo ("<script type='text/javascript'> alert('用户名或密码不正确');history.go(-1);</script>");
  }
else
  {
$_SESSION[login_type]=2;
$_SESSION[login_name]=$user1;
  $_SESSION['username']=$user1;
  $_SESSION['log_mid']=$user[id];
  $_SESSION['log_name']=$user[uname];

  echo "<meta http-equiv=\"refresh\" content=\"0;URL=user_index.php\">";
 }

 }
?>

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