def resp(crr, msg=''):
    '返回常量错误码. msg可格式化具有占位符的字符串\n    \n    params:\n        @crr  错误码标识\n    '
    return JResponse(codes.fmat(crr, msg))
返回常量错误码. msg可格式化具有占位符的字符串

params:
    @crr  错误码标识
def resp(crr, msg=):
    '返回常量错误码. msg可格式化具有占位符的字符串\n    \n    params:\n        @crr  错误码标识\n    '
    return JResponse(codes.fmat(crr, msg))