<?php
namespace Home\Controller;
use Think\Controller;
class LoginController extends Controller {
public function index(){
$this->display();
}
Public function login(){
if (!IS_POST) HALF('页面不存在');
$code = $_POST['verify'];
if(!$this->checkVerify($code)){
$this->error('验证码错误');
redirect('index',2,'2秒内返回登录页面。。');
}

}
public function verify() {
$Verify = new \Think\Verify();
$Verify->fontSize = 15;
$Verify->length = 4;
$Verify->entry();
}
public function checkVerify($code){
$verify = new \Think\Verify();
return $verify->check($code);
}

}

帮忙一下 找找是什么问题