youfeng/app/Http/Controllers/Api/FileUploadController.php

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

use App\Exports\MyExport;
use App\Service\FileUploadService;
use Illuminate\Http\Request;

//文件上传
class FileUploadController extends BaseController
{
    public function uploadFile(Request $request){
        $service = new FileUploadService();
        list($status,$data) = $service->uploadFile($request->file('file'));

        if($status){
            return $this->json_return(200,'上传成功',['url' => $data]);
        }else{
            return $this->json_return(201,$data);
        }
    }

    //获取文件的位置
    public function getFile($file_name){
        $path = storage_path() . "/app/public/upload_files/".$file_name;
        $ext = '';
        foreach (FileUploadService::FILE_TYPE as $value){
            if(file_exists($path. '.' . $value)){
                $ext = $value;
            }
        }
        if(empty($ext)) return '';
        return response()->file($path.'.'.$ext);
    }
}