def dict_fields_map(param1, param2):
    """
    字典字段名称映射更换
    :param param1: dict 原始字典
    :param param2: list 映射字段数组
    :return result: dict 映射后的字典
    """
    result = dict()
    for item in param1.items():
        result[param2[item[0]]] = item[1]
    return result