**guzzle**  是发送网络请求的类库
composer安装：**composer require guzzlehttp/guzzle**
中文文档[**https://guzzle-cn.readthedocs.io/zh_CN/latest/quickstart.html**]
    use GuzzleHttp\Client;
    public $upload_type;  // 发送类型 'image|video|file'
    public function shopUpload ($name)
        $file = fopen($_FILES[$name]['tmp_name'], 'r')
        $response = (new Client())->request(
            'POST',    //post 请求
            'http://www.xxx.cm/upload',
                // name: (必须，字符串) 映射到表单字段的名称。
                // contents: (必须，混合) 提供一个字符串，可以是 fopen 返回的资源、或者一个
                'multipart' => [   //设置
                        'name'     => $name,
                        'contents' => $file,
                        'filename' => $_FILES[$name]['name'],
                        'type' => $_FILES[$name]['type']
                        'name' => 'file_name',   // 上传表单的name值
                        'contents' => $name
                        'name' => 'upload_type',  // 上传文件类型
                        'contents' => $this->upload_type,
        $resultMap = json_decode($response->getBody()->getContents(), true);
服务器接收
function upload ()
    直接获取 $_FILES;