org\upload\driver\qiniu\QiniuStorage::upload PHP Method

    public function upload($config, $file)
    {
        $uploadToken = $this->UploadToken($this->sk, $this->ak, $config);
        $url = "{$this->QINIU_UP_HOST}";
        $mimeBoundary = md5(microtime());
        $header = ['Content-Type' => 'multipart/form-data;boundary=' . $mimeBoundary];
        $data = [];
        $fields = ['token' => $uploadToken, 'key' => $config['saveName'] ?: $file['fileName']];
        if (is_array($config['custom_fields']) && [] !== $config['custom_fields']) {
            $fields = array_merge($fields, $config['custom_fields']);
        }
        foreach ($fields as $name => $val) {
            array_push($data, '--' . $mimeBoundary);
            array_push($data, "Content-Disposition: form-data; name=\"{$name}\"");
            array_push($data, '');
            array_push($data, $val);
        }
        //文件
        array_push($data, '--' . $mimeBoundary);
        $name = $file['name'];
        $fileName = $file['fileName'];
        $fileBody = $file['fileBody'];
        $fileName = self::qiniuEscapequotes($fileName);
        array_push($data, "Content-Disposition: form-data; name=\"{$name}\"; filename=\"{$fileName}\"");
        array_push($data, 'Content-Type: application/octet-stream');
        array_push($data, '');
        array_push($data, $fileBody);
        array_push($data, '--' . $mimeBoundary . '--');
        array_push($data, '');
        $body = implode("\r\n", $data);
        $response = $this->request($url, 'POST', $header, $body);
        return $response;
    }