composer require "freyo/flysystem-qcloud-cos-v5:^2.0" -vvv

<?php
use Freyo\Flysystem\QcloudCOSv5\Adapter;
use League\Flysystem\Filesystem;
use Qcloud\Cos\Client;

include __DIR__ . '/vendor/autoload.php';

$config = [
    'region'          => 'ap-guangzhou',
    'credentials'     => [
        'appId'     => 'your-app-id',
        'secretId'  => 'your-secret-id',
        'secretKey' => 'your-secret-key',
        'token'     => null,
    ],
    'timeout'         => 60,
    'connect_timeout' => 60,
    'bucket'          => 'your-bucket-name',
    'cdn'             => '',
    'scheme'          => 'https',
    'read_from_cdn'   => false,
    'cdn_key'         => '',
    'encrypt'         => false,
];

$client     = new Client($config);
$adapter    = new Adapter($client, $config);
$filesystem = new Filesystem($adapter);

bool $flysystem->write('file.md', 'contents');

bool $flysystem->writeStream('file.md', fopen('path/to/your/local/file.jpg', 'r'));

bool $flysystem->update('file.md', 'new contents');

bool $flysystem->updateStram('file.md', fopen('path/to/your/local/file.jpg', 'r'));

bool $flysystem->rename('foo.md', 'bar.md');

bool $flysystem->copy('foo.md', 'foo2.md');

bool $flysystem->delete('file.md');

bool $flysystem->has('file.md');

string|false $flysystem->read('file.md');

array $flysystem->listContents();

array $flysystem->getMetadata('file.md');

int $flysystem->getSize('file.md');

string $flysystem->getUrl('file.md'); 

string $flysystem->getTemporaryUrl('file.md', date_create('2018-12-31 18:12:31')); 

string $flysystem->getMimetype('file.md');

int $flysystem->getTimestamp('file.md');

string $flysystem->getVisibility('file.md');

bool $flysystem->setVisibility('file.md', 'public'); //or 'private', 'default'

'providers' => [
  // ...
  Freyo\Flysystem\QcloudCOSv5\ServiceProvider::class,
]

'disks'=>[
    // ...
    'cosv5' => [
          'driver' => 'cosv5',
          'region'          => env('COSV5_REGION', 'ap-guangzhou'),
          'credentials'     => [
              'appId'     => env('COSV5_APP_ID'),
              'secretId'  => env('COSV5_SECRET_ID'),
              'secretKey' => env('COSV5_SECRET_KEY'),
              'token'     => env('COSV5_TOKEN'),
          ],
          'timeout'         => env('COSV5_TIMEOUT', 60),
          'connect_timeout' => env('COSV5_CONNECT_TIMEOUT', 60),
          'bucket'          => env('COSV5_BUCKET'),
          'cdn'             => env('COSV5_CDN'),
          'scheme'          => env('COSV5_SCHEME', 'https'),
          'read_from_cdn'   => env('COSV5_READ_FROM_CDN', false),
          'cdn_key'         => env('COSV5_CDN_KEY'),
          'encrypt'         => env('COSV5_ENCRYPT', false),
    ],
],

COSV5_APP_ID=
COSV5_SECRET_ID=
COSV5_SECRET_KEY=
COSV5_TOKEN=null
COSV5_TIMEOUT=60
COSV5_CONNECT_TIMEOUT=60
COSV5_BUCKET=
COSV5_REGION=ap-guangzhou
COSV5_CDN=
COSV5_SCHEME=https
COSV5_READ_FROM_CDN=false
COSV5_CDN_KEY=
COSV5_ENCRYPT=false

$app->singleton('filesystem', function ($app) {
    $app->alias('filesystem', Illuminate\Contracts\Filesystem\Factory::class);
    return $app->loadComponent(
        'filesystems',
        Illuminate\Filesystem\FilesystemServiceProvider::class,
        'filesystem'
    );
});

$app->register(Freyo\Flysystem\QcloudCOSv5\ServiceProvider::class);

COSV5_APP_ID=
COSV5_SECRET_ID=
COSV5_SECRET_KEY=
COSV5_TOKEN=null
COSV5_TIMEOUT=60
COSV5_CONNECT_TIMEOUT=60
COSV5_BUCKET=
COSV5_REGION=ap-guangzhou
COSV5_CDN=
COSV5_SCHEME=https
COSV5_READ_FROM_CDN=false
COSV5_CDN_KEY=
COSV5_ENCRYPT=false

$disk = Storage::disk('cosv5');

// create a file
$disk->put('avatars/1', $fileContents);

// check if a file exists
$exists = $disk->has('file.jpg');

// get timestamp
$time = $disk->lastModified('file1.jpg');

// copy a file
$disk->copy('old/file1.jpg', 'new/file1.jpg');

// move a file
$disk->move('old/file1.jpg', 'new/file1.jpg');

// get file contents
$contents = $disk->read('folder/my_file.txt');

// get url
$url = $disk->url('new/file1.jpg');
$temporaryUrl = $disk->temporaryUrl('new/file1.jpg', Carbon::now()->addMinutes(5));

// create a file from remote(plugin)
$disk->putRemoteFile('avatars/1', 'http://example.org/avatar.jpg');
$disk->putRemoteFileAs('avatars/1', 'http://example.org/avatar.jpg', 'file1.jpg');

// refresh cdn cache(plugin)
$disk->cdn()->refreshUrl(['http://your-cdn-host/path/to/avatar.jpg']);
$disk->cdn()->refreshDir(['http://your-cdn-host/path/to/']);
$disk->cdn()->pushUrl(['http://your-cdn-host/path/to/avatar.jpg']);
$disk->cdn()->refreshOverseaUrl(['http://your-cdn-host/path/to/avatar.jpg']);
$disk->cdn()->refreshOverseaDir(['http://your-cdn-host/path/to/']);
$disk->cdn()->pushOverseaUrl(['http://your-cdn-host/path/to/avatar.jpg']);

// cdn url signature(plugin)
$url = 'http://www.test.com/1.mp4';
$disk->cdn()->signatureA($url, $key = null, $timestamp = null, $random = null, $signName = 'sign');
$disk->cdn()->signatureB($url, $key = null, $timestamp = null);
$disk->cdn()->signatureC($url, $key = null, $timestamp = null);
$disk->cdn()->signatureD($url, $key = null, $timestamp = null, $signName = 'sign', $timeName = 't');

// tencent captcha(plugin)
$disk->tcaptcha($aid, $appSecretKey)->verify($ticket, $randStr, $userIP);

// get federation token(plugin)
$disk->getFederationToken($path = '*', $seconds = 7200, Closure $customPolicy = null, $name = 'cos')
$disk->getFederationTokenV3($path = '*', $seconds = 7200, Closure $customPolicy = null, $name = 'cos')

// tencent image process(plugin)
$disk->cloudInfinite()->imageProcess($objectKey, array $picOperations);
$disk->cloudInfinite()->contentRecognition($objectKey, array $contentRecognition);