autocde2.0/app/Http/Controllers/API/FileController.php

<?php

namespace App\Http\Controllers\API;

use App\Http\Controllers\Controller;
use App\Http\Requests\API\File\DownloadRequest;
use App\Http\Requests\API\File\UploadRequest;
use Illuminate\Support\Facades\Storage;

class FileController extends Controller
{

    public function upload(UploadRequest $request)
    {
        // 获取上传的文件
        $file = $request->file('file');
        // 存储文件到腾讯云COS
        $path='uploads/' .date('Ym/d/'). $file->getClientOriginalName();//文件相对路径
        Storage::put($path, file_get_contents($file->getRealPath()));
        // 返回响应
        return response()->json([
            'message' => 'File uploaded successfully.',
            'path' => $path,
        ]);
    }

    public function download(DownloadRequest $request)
    {
        $url=$request->url;
        return Storage::download($url);
    }
}