thinkphp会员登录问题
<?php<br />
session_start();<br />
header('Content-Type:text/html; charset=utf-8');<br />
class AdminAction extends Action{<br />
public function index(){<br />
if(isset($_POST['username'])){<br />
if(isset($_POST['username'])&&isset($_POST['password'])){<br />
$db=M();<br />
$select=$db->query("select * from developers where username=".$POST['username']." and password=".$_POST['password']."");<br />
if($select){<br />
$_SESSION['admin']=$_POST['username'];<br />
$this->redirect('Index/index','',2,'用户'.$_POST['username'].'登录成功！');<br />
}else{<br />
$this->redirect('Index/index','',2,'用户名或者密码不正确');<br />
}<br />
}else{<br />
$this->redirect('Index/index','',2,'用户名或密码不能为空！');<br />
}<br />
}<br />
$this->display();<br />
}<br />
<br />
<br />
<br />
}<br />
?>
