摘要：<?php/** * */namespace app\admin\controller;use app\admin\model\UserModel;use think\Controller;use think\facade\Request;use think\facade\Session;class Login extends Controller{ public
<?php
/**
*
*/
namespace app\admin\controller;
use app\admin\model\UserModel;
use think\Controller;
use think\facade\Request;
use think\facade\Session;
class Login extends Controller
{
public function login()
{
// 渲染登录页面
return $this->fetch();
}
public function DoLogin()
{
// 获取前台提交的数据
$data = Request::param();
$username = $data['username'];
// 使用变量作为查询条件到数据库中查询对应的数据
$user = UserModel::where('username', $username)->find();
if ($user != true) {
$info = ['res' => 0, 'msg' => '用户名不存在！'];
} elseif ($data['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;
}
public function LoginOut()
{
// 删除用户名
Session::delete('username');
// 退出跳转
$this->redirect('login');
}
}
批改老师：天蓬老师批改时间：2019-01-28 09:02:17
老师总结：if ($user != true) 建议这样写:
if (true != $user) 或者 if ($user)
