/// <summary>
        /// 绑定用户
        /// </summary>
        /// <param name="wxuser"></param>

        private MemberInfo BindUser(WechatUserInfo wxuser)
        {
            var memberInfoDal = new MemberInfoDal();
            var memberInfo    = memberInfoDal.GetModel(string.Format("OpenId='{0}'", wxuser.OpenId));

            if (memberInfo == null)
            {
                memberInfo = new MemberInfo
                {
                    OpenId   = wxuser.OpenId,
                    NickName = wxuser.Nickname,
                    Role     = (int)MemberRole.顾客,
                    CreateOn = DateTime.Now.ToUnixStamp()
                };

                memberInfo.Uid = memberInfoDal.Add(memberInfo);
            }
            else
            {
                memberInfo.NickName = wxuser.Nickname;

                memberInfoDal.Update(memberInfo);
            }

            SetCookie(memberInfo);
            return(memberInfo);
        }