Login/LoginAction.class.php

<?php

// 本类由系统自动生成，仅供测试用途

class LoginAction extends Action {

    public function index(){

$this->display();

    }

function do_login(){

//dump($_SESSION);

$username=$_POST['username'];

$password=$_POST['password'];

$code=$_POST['code'];

if($_SESSION['verify'] !== md5($code)){

$this->error("验证码错误！");

}

$m=M('User');

$where['username']=$username;

$where['password']=$password;

$i=$m->where($where)->count();

if($i > 0) {

$this->redirect('User/index');

}else{

$this->error('该用户不存在');

}

}

}