laravel中新增路由文件

laravel版本是 5.4.36（使用命令 php artisan --version查看），项目中本来只有一个routes.php(路径是app/Http/routes.php)，现在想要建多个路由文件，为了便于管理路由。

可以分三步完成：

1、在项目根目录下创建一个routes文件夹，下面再分别建立两个文件web.php和api.php，结构如下：

2、以api.php文件为例，在app/Providers/RouteServiceProvider.php中添加函数：

    /**
     * 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'));
    }

修改本文件中的map方法（添加一句话）：

$this->mapApiRoutes();

3、在api文件中添加路由，如：

Route::group(['prefix' =>'test2','namespace' => 'Api\Test'], function () {
        Route::resource('main', 'TestController');

});

输入/api/test2/main的路由即可访问相关接口。

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附app/Providers/RouteServiceProvider.php文件完整代码：

<?php

namespace App\Providers;

use Illuminate\Support\Facades\Route;
use Illuminate\Routing\Router;
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';

    /**
     * Define your route model bindings, pattern filters, etc.
     *
     * @param  \Illuminate\Routing\Router  $router
     * @return void
     */
    public function boot()
    {
        //

        parent::boot();
    }

    /**
     * Define the routes for the application.
     *
     * @param  \Illuminate\Routing\Router  $router
     * @return void
     */
    public function map(Router $router)
    {
        $this->mapWebRoutes($router);
        $this->mapWeb2Routes();
        $this->mapApiRoutes();

        //
    }

    /**
     * Define the "web" routes for the application.
     *
     * These routes all receive session state, CSRF protection, etc.
     *
     * @param  \Illuminate\Routing\Router  $router
     * @return void
     */
    protected function mapWebRoutes(Router $router)
    {
        $router->group([
            'namespace' => $this->namespace, 'middleware' => 'web',
        ], function ($router) {
            require app_path('Http/routes.php');
        });
    }

    /**
     * Define the "web" routes for the application.
     *
     * These routes all receive session state, CSRF protection, etc.
     *
     * @return void
     */
    protected function mapWeb2Routes()
    {
        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'));
    }
}