OSS\OssClient::multiuploadFile PHP Method

    public function multiuploadFile($bucket, $object, $file, $options = null)
    {
        $this->precheckCommon($bucket, $object, $options);
        if (isset($options[self::OSS_LENGTH])) {
            $options[self::OSS_CONTENT_LENGTH] = $options[self::OSS_LENGTH];
            unset($options[self::OSS_LENGTH]);
        }
        if (empty($file)) {
            throw new OssException("parameter invalid, file is empty");
        }
        $uploadFile = OssUtil::encodePath($file);
        if (!isset($options[self::OSS_CONTENT_TYPE])) {
            $options[self::OSS_CONTENT_TYPE] = $this->getMimeType($object, $uploadFile);
        }
        $upload_position = isset($options[self::OSS_SEEK_TO]) ? (int) $options[self::OSS_SEEK_TO] : 0;
        if (isset($options[self::OSS_CONTENT_LENGTH])) {
            $upload_file_size = (int) $options[self::OSS_CONTENT_LENGTH];
        } else {
            $upload_file_size = filesize($uploadFile);
            if ($upload_file_size !== false) {
                $upload_file_size -= $upload_position;
            }
        }
        if ($upload_position === false || !isset($upload_file_size) || $upload_file_size === false || $upload_file_size < 0) {
            throw new OssException('The size of `fileUpload` cannot be determined in ' . __FUNCTION__ . '().');
        }
        // 处理partSize
        if (isset($options[self::OSS_PART_SIZE])) {
            $options[self::OSS_PART_SIZE] = $this->computePartSize($options[self::OSS_PART_SIZE]);
        } else {
            $options[self::OSS_PART_SIZE] = self::OSS_MID_PART_SIZE;
        }
        $is_check_md5 = $this->isCheckMD5($options);
        // 如果上传的文件小于partSize,则直接使用普通方式上传
        if ($upload_file_size < $options[self::OSS_PART_SIZE] && !isset($options[self::OSS_UPLOAD_ID])) {
            return $this->uploadFile($bucket, $object, $uploadFile, $options);
        }
        // 初始化multipart
        if (isset($options[self::OSS_UPLOAD_ID])) {
            $uploadId = $options[self::OSS_UPLOAD_ID];
        } else {
            // 初始化
            $uploadId = $this->initiateMultipartUpload($bucket, $object, $options);
        }
        // 获取的分片
        $pieces = $this->generateMultiuploadParts($upload_file_size, (int) $options[self::OSS_PART_SIZE]);
        $response_upload_part = array();
        foreach ($pieces as $i => $piece) {
            $from_pos = $upload_position + (int) $piece[self::OSS_SEEK_TO];
            $to_pos = (int) $piece[self::OSS_LENGTH] + $from_pos - 1;
            $up_options = array(self::OSS_FILE_UPLOAD => $uploadFile, self::OSS_PART_NUM => $i + 1, self::OSS_SEEK_TO => $from_pos, self::OSS_LENGTH => $to_pos - $from_pos + 1, self::OSS_CHECK_MD5 => $is_check_md5);
            if ($is_check_md5) {
                $content_md5 = OssUtil::getMd5SumForFile($uploadFile, $from_pos, $to_pos);
                $up_options[self::OSS_CONTENT_MD5] = $content_md5;
            }
            $response_upload_part[] = $this->uploadPart($bucket, $object, $uploadId, $up_options);
        }
        $uploadParts = array();
        foreach ($response_upload_part as $i => $etag) {
            $uploadParts[] = array('PartNumber' => $i + 1, 'ETag' => $etag);
        }
        return $this->completeMultipartUpload($bucket, $object, $uploadId, $uploadParts);
    }

/**
 * 通过multipart上传文件
 *
 * @param OssClient $ossClient OssClient实例
 * @param string $bucket 存储空间名称
 * @return null
 */
function multiuploadFile($ossClient, $bucket)
{
    $object = "test/multipart-test.txt";
    $file = __FILE__;
    $options = array();
    try {
        $ossClient->multiuploadFile($bucket, $object, $file, $options);
    } catch (OssException $e) {
        printf(__FUNCTION__ . ": FAILED\n");
        printf($e->getMessage() . "\n");
        return;
    }
    print __FUNCTION__ . ":  OK" . "\n";
}