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Laravel 5.5基于内置的Auth模块实现前后台登陆详解

2018年01月27日  | 移动技术网IT编程  | 我要评论

前言

本文主要介绍了关于laravel 5.5基于内置的auth模块实现前后台登陆的相关内容,更多关于auth模块的内容大家可以参考这篇文章:

下面话不多说了,来一起看看详细的介绍吧。

方法如下:

步骤1:生成auth

在项目建立完成后,生成内置auth组件:

php artisan make:auth

步骤2:添加guard

打开config\auth.php,为方便前后台用户切换,项目共用users表

'guards' => [
 //...
 'admin' => [
  'driver' => 'session',
  'provider' => 'users',
 ],
 //...
 ],

步骤3:实现基类

class admincontroller extends basecontroller
{
 use authorizesrequests, dispatchesjobs, validatesrequests;

 public function __construct()
 {
 $this->middleware('auth:admin');
 }
}

步骤4:实现后台登陆控制器

新建appcontrollersadminlogincontroller.php

<?php
namespace app\http\controllers\admin;
use app\http\controllers\controller;
use illuminate\support\facades\auth;
use illuminate\foundation\auth\authenticatesusers;
use illuminate\http\request;
class logincontroller extends controller
{
 /*
 |--------------------------------------------------------------------------
 | login controller
 |--------------------------------------------------------------------------
 |
 | this controller handles authenticating users for the application and
 | redirecting them to your home screen. the controller uses a trait
 | to conveniently provide its functionality to your applications.
 |
 */
 use authenticatesusers;
 /**
 * where to redirect users after login.
 *
 * @var string
 */
 protected $redirectto = '/admin';
 /**
 * create a new controller instance.
 *
 * @return void
 */
 public function __construct()
 {
 $this->middleware('guest:admin')->except('logout');
 }
 /**
 * 重写登陆页面
 * @return \illuminate\contracts\view\factory|\illuminate\view\view
 */
 public function showloginform()
 {
 return view('backend.login');
 }
 /**
 * 重写退出方法
 * @param request $request
 * @return \illuminate\http\redirectresponse|\illuminate\routing\redirector
 */
 public function logout(request $request)
 {
 $this->guard()->logout();
 $request->session()->flush();
 $request->session()->regenerate();
 return redirect('/admin/login');
 }
 /**
 * 重写guard认证
 * @return mixed
 */
 protected function guard()
 {
 return auth::guard('admin');
 }
}

步骤5:实现登陆后跳转到不同路径

app\middleware\redirectifauthenticated.php

public function handle($request, closure $next, $guard = null)
{
 if (auth::guard($guard)->check()) {
  $path = $guard ? '/admin' : '/home';
  return redirect($path);
 }
 return $next($request);
}

步骤6:实现未通过认证跳转不同登陆页

app\exceptions\handler.php

/**
 * 重写实现未认证用户跳转至相应登陆页
 * @param \illuminate\http\request $request
 * @param authenticationexception $exception
 * @return \illuminate\http\jsonresponse|\illuminate\http\redirectresponse
 */
 protected function unauthenticated($request, authenticationexception $exception)
 {
 if($request->expectsjson()){
  return response()->json(['message' => $exception->getmessage()], 401);
 }else{
  return in_array('admin', $exception->guards()) ? return redirect()->guest('/admin/login') : redirect()->guest('login');
 }
 }

完成

总结

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