def create_zip(files, trim_arcname=None, target_file=None, **zipfile_args):
    """创建一个 zip 文件。

    :param list files: 要创建zip 的文件列表。
    :param int trim_arcname: 若提供这个值，则使用 ZipFile.write(filename, filename[trim_arcname:]) 进行调用。
    :returns: zip 文件的路径。
    :rtype: str

    """
    zipname = None
    azip = None
    if not target_file:
        azip = tempfile.NamedTemporaryFile(mode='wb', delete=False)
        zipname = azip.name
    else:
        azip = target_file
        zipname = target_file.name if hasattr(azip, 'read') else azip
    slog.info('Package %d files to "%s"'%(len(files), azip.name))
    fileNum = len(files)
    curFile = 0
    zipfile_args['mode'] = 'w'
    if not zipfile_args.get('compression'):
        zipfile_args['compression'] = zipfile.ZIP_DEFLATED
    with zipfile.ZipFile(azip, **zipfile_args) as zipf:
       for f in files:
           percent = round(curFile/fileNum*100)
           sys.stdout.write('\r%d%%'%(percent))
           sys.stdout.flush()
           zipf.write(f, f[trim_arcname:] if trim_arcname else None )
           curFile = curFile+1

       sys.stdout.write('\r100%\n')
       sys.stdout.flush()

    if hasattr(azip, 'close'):
        azip.close()
    return zipname