检验登陆类-PHP源码

检验登陆类-PHP源码

name=$username;
     $this->pwd=$password;
   }

   function checkinput()
   {
     global $db;
     $sql="select * from tb_manager where name='$this->name' and pwd='$this->pwd'";
     $res=$db->query($sql);
     $info=$db->fetch_array($res); 
     if($info['name']==$this->name and $info['pwd']==$this->pwd)
     {
         $_SESSION[admin_name]=$info[name];
		 $_SESSION[pwd]=$info[pwd];
         echo "《script》alert('登录成功！);window.location.href='index.php';《script》";
     }
     else
     {
		 echo "