qasystem/app/Http/Controllers/Admin/AccountController.php

<?php namespace App\Http\Controllers\Admin;

/**
 * 用户账号管理操作相关
 */
use App\Http\Controllers\Controller;
use Illuminate\Contracts\Auth\Guard;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Session;

class AccountController extends Controller {

    /**
     * The Guard implementation.
     *认证模块
     * @var Guard
     */
    protected $auth;


    public function __construct(Guard $auth){

        $this->auth = $auth;

    }

    /*
     * 用户登录入口，包含登录页面显示以及登录处理
     * @param Request $request
     * @return \Illuminate\View\View
     */
    public function login(Request $request){

        /*登录表单处理*/
        if($request->isMethod('post'))
        {

            $request->flashOnly('email');
            /*表单数据校验*/
            $this->validate($request, [
                 'password' => 'required|min:6',
                'captcha' => 'required|captcha'
            ]);

            /*只接收email和password的值*/
            $credentials = [
                'email' => $request->user()->email,
                'password' => $request->input('password')
            ];

            /*根据邮箱地址和密码进行认证*/
            if ($this->auth->attempt($credentials))
            {
                session(['admin.login'=>true]);
                /*认证成功后跳转到首页*/
                return redirect()->to(route('admin.index.index'));

            }


            /*登录失败后跳转到首页，并提示错误信息*/
            return redirect(route('admin.account.login'))
                ->withInput($request->only('email'))
                ->withErrors([
                    'password' => '用户名或密码错误，请核实！',
                ]);

        }

        return view("admin.account.login");
    }



    /**
     * 用户登出
     */
    public function logout(){

        Session::forget('admin.login');
        return redirect()->guest(route('admin.account.login'));

    }







}