ul-file-share/app/admin/controller/Login.php

<?php

namespace app\admin\controller;

use think\Request;
use think\facade\View;
use think\facade\Validate;
use think\validate\ValidateRule as Rule;
use app\model\Admin;
use think\facade\Session;

class Login extends Common
{
  /**
   * 显示资源列表
   *
   * @return \think\Response
   */
  public function index()
  {
    //
    return View::fetch();
  }


  public function auth()
  {
    $post_data = $this->request->post();



    $validate = Validate::rule('account', Rule::isRequire())
      ->rule('password', Rule::isRequire())
      ->rule('captcha', function ($value) {
        return \captcha_check($value) ? true : '验证码错误';
      });

    if (!$validate->check($post_data)) {
      return json_message($validate->getError());
    }

    $model_admin = Admin::where('account', $post_data['account'])->find();

    if (empty($model_admin)) {
      return json_message('帐号不存在');
    }

    if ($model_admin->getData('password') !== md5($post_data['password'] . $model_admin->getData('salt'))) {
      return json_message('密码错误');
    }

    Session::set('admin_id', $model_admin->id);

    return json_message();
  }

  public function logout()
  {
    Session::clear();

    $this->success('已经安全退出', 'Login/Index');
  }
}