baoshi-was/app/Http/Controllers/HomeController.php

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use Illuminate\Support\Facades\Gate;

class HomeController extends Controller
{
    /**
     * Create a new controller instance.
     *
     * @return void
     */
    public function __construct()
    {
        $this->middleware('auth');
    }

    /**
     * Show the application dashboard.
     *
     * @return \Illuminate\Contracts\Support\Renderable
     */
    public function index()
    {
        if(!Gate::allows('退货管理-查询')){
            if(!Gate::allows('运输管理-运单-查询')){ return view('home');}
            return view("home");
        }
        return redirect(url('rejected/index/general'));
    }
    public function home()
    {
        return view('home');
    }

    public function help()
    {
        $filePath = base_path('文档/SystemHandBook.md');
        $read = @file_get_contents($filePath);
        $read = str_replace(["\r","\n",'"'],["\\r",'\\n',"'"],$read);
        return view("help",compact("read"));
    }
}