Laravel 5.4前后台分离,通过不同的二级域名访问方法

第一步：添加app\http\Controllers文件夹里面创建我们要存放前端和后端或者接口的文件夹

列如： Home(前端) Admin(后端) App(接口) 文件夹

第二步：修改app\http\providers\RouteServiceProvider.php

<?php

namespace App\Providers;

use Illuminate\Support\Facades\Route;
use Illuminate\Foundation\Support\Providers\RouteServiceProvider as ServiceProvider;

class RouteServiceProvider extends ServiceProvider
{
 /**
 * This namespace is applied to your controller routes.
 *
 * In addition, it is set as the URL generator's root namespace.
 *
 * @var string
 */
 protected $namespace = 'App\Http\Controllers';
 protected $homeNamespace = 'App\Http\Controllers\Home';//PC端
 protected $adminNamespace = 'App\Http\Controllers\Admin';//管理后台

 /**
 * Define your route model bindings, pattern filters, etc.
 *
 * @return void
 */
 public function boot()
 {
 //

 parent::boot();
 }

 /**
 * Define the routes for the application.
 *
 * @return void
 */
 public function map()
 {
 //$this->mapApiRoutes();

 //$this->mapWebRoutes();
 $sld_prefix = explode('.',$_SERVER['HTTP_HOST'])[0];
 if(config('route.admin_url') == $sld_prefix){
  $this->mapAdminRoutes();
 }elseif(config('route.home_url') == $sld_prefix){
  $this->mapHomeRoutes();
 }elseif(config('route.api_url') == $sld_prefix){
  $this->mapApiRoutes();
 }
 }

 /**
 * Define the "web" routes for the application.
 *
 * These routes all receive session state, CSRF protection, etc.
 *
 * @return void
 */
 protected function mapWebRoutes()
 {
 Route::middleware('web')
  ->namespace($this->namespace)
  ->group(base_path('routes/web.php'));
 }

 /**
 * Define the "api" routes for the application.
 *
 * These routes are typically stateless.
 *
 * @return void
 */
 protected function mapApiRoutes()
 {
 Route::prefix('api')
  ->middleware('api')
  ->namespace($this->namespace)
  ->group(base_path('routes/api.php'));
 }

 /**
 * 管理后台
 */
 protected function mapAdminRoutes()
 {
 Route::middleware('web')
  ->namespace($this->adminNamespace)
  ->group(base_path('routes/admin.php'));
 }

 /**
 * PC端
 */
 protected function mapHomeRoutes()
 {
 Route::middleware('web')
  ->namespace($this->homeNamespace)
  ->group(base_path('routes/home.php'));
 }
}

第三步：在routes目录下创建admin.php 和home.php 路由

第四步：分别在app\Http\Controllers\Admin和app\Http\Controllers\Home

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

class AdminController extends Controller
{
 public function index()
 {
 echo "this is admin";
 }
}

<?php
namespace App\Http\Controllers\Home;
use App\Http\Controllers\Controller;

class HomeController extends Controller
{
 public function index()
 {
 echo "this is home";
 }
}

第五步：分别在admin.php 和home.php 新建路由

Route::get('/', 'AdminController@index');

Route::get('/','HomeController@index');

第六步：测试

第七步：运行报错

错误一：laravel Class ‘App\Http\Controllers\Controller' not found

错误二：Class App\Http\Controllers\IndexController does not exist

解决方法：

在PHPstorm Terminal控制台输入“composer dump-autoload”

因为laravel是用composer来加载类，不是命令创建的类要更新autoload。

如果没有使用PHPstorm编辑器的话，我们需要在本地安装composer，然后cmd以管理员运行，进入到项目的根目录执行“composer dump-autoload”

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