def convert_url_not_encode(params):
    """
    转化为key=value&的形式，不进行编码
    :param params: dict
    :return: str params
    """
    if isinstance(params, list):
        iterable = params
    elif isinstance(params, dict):
        iterable = params.items()
    else:
        raise TypeError('convert_url_not_encode: 不支持该类型的转化。%r' % params)
    result = None
    for key, value in iterable:
        if result is None:
            result = '%s=%s' % (key, value)
        else:
            result = '%s&%s=%s' % (result, key, value)
    return result
