摘要：<?php namespace app\admin\controller; use think\Controller; use think\facade\Session; class Login extends Controller { public function&n
<?php
namespace app\admin\controller;
use think\Controller;
use think\facade\Session;
class Login extends Controller
{
public function index(){
if (request()->isPost()){
$data = input('');
$username = $data['username'];
$password = md5($data['password']);
$user = model('user')->where('username',$username)->find();
if ($user != true){
$info = ['res' => 0,'msg' => '用户名不存在'];
}elseif($password != $user['password']){
$info = ['res' => 0,'msg' => '密码错误'];
}else{
$info = ['res' => 1,'msg' => '登录成功'];
Session::set('username',$user['username']);
}
return $info;
}else{
return $this->fetch();
}
}
public function LoginOut(){
Session::delete('username');
$this->redirect('index');
}
}
批改老师：西门大官人批改时间：2019-04-20 13:28:23
老师总结：查询数据之前，最好先校验一下用户输入的username是否有值
