//用户打卡
        private void User_DaKa()
        {
            var gonghao             = HttpContext.Current.Request["userid"];
            var dept_id             = Convert.ToInt32(HttpContext.Current.Request["dept_id"]);
            var dangqian_time       = HttpContext.Current.Request["dangqian_time"];
            var beizhu              = HttpContext.Current.Request["beizhu"];
            var dakabiaoji          = Convert.ToInt32(HttpContext.Current.Request["dakabiaoji"]);
            JavaScriptSerializer js = new JavaScriptSerializer();
            var lst = User_DaKaBLL.DaKa(gonghao, dept_id, dangqian_time, beizhu, dakabiaoji);
            var obj = new
            {
                msg  = "已完成上班打卡!",
                code = 201
            };

            if (lst)
            {
                obj = new
                {
                    msg  = "打卡成功!",
                    code = 200
                };
            }
            string rs = js.Serialize(obj);

            HttpContext.Current.Response.Write(rs);
            HttpContext.Current.Response.End();
        }
        //打卡时间
        private void DaKa_Time()
        {
            JavaScriptSerializer js = new JavaScriptSerializer();
            var    lst = User_DaKaBLL.DaKa_Time();
            string rs  = js.Serialize(lst);

            HttpContext.Current.Response.Write(rs);
            HttpContext.Current.Response.End();
        }