//更新
        public ActionResult Update_targetlocation()
        {
            lp_targetlocation model = new lp_targetlocation();

            model.tlid   = Request["id"];
            model.lat    = decimal.Parse(Request["lat"]);
            model.lng    = decimal.Parse(Request["lng"]);
            model.tlname = Request["tlname"];
            bool isexits = tldal.Exists("tlstatus<>3 and tlname=@0 and tlid<>@1", model.tlname, model.tlid);

            if (isexits)
            {
                return(Json(new { success = false, msg = "存在同名的目标地址!" }));
            }
            int exec = tldal.Update(model, new string[] { "lat", "lng", "tlname" });

            if (exec > 0)
            {
                return(Json(new { success = true, msg = "更新成功!" }));
            }
            else
            {
                return(Json(new { success = false, msg = "更新失败!" }));
            }
        }
        //获取来源model
        public ActionResult Get_TModel()
        {
            object            id    = Request["id"];
            lp_targetlocation model = tldal.SingleOrDefault(id);

            return(Json(model));
        }
        //新增目标地址
        public ActionResult ADD_targetlocation()
        {
            lp_targetlocation model = new lp_targetlocation();

            model.tlid = System.Guid.NewGuid().ToString();
            decimal lat;

            decimal.TryParse(Request["lat"], out lat);
            model.lat = lat;
            decimal lng;

            decimal.TryParse(Request["lat"], out lng);
            model.lng        = lng;
            model.tlname     = Request["tlname"];
            model.createtime = DateTime.Now;
            model.tlstatus   = 0;
            bool isexits = tldal.Exists("tlstatus<>3 and tlname=@0 ", model.tlname);

            if (isexits)
            {
                return(Json(new { success = false, msg = "存在同名的目标地址!" }));
            }
            object exec = tldal.Add(model);

            if (exec != null)
            {
                return(Json(new { success = true, msg = "新增成功!" }));
            }
            else
            {
                return(Json(new { success = false, msg = "新增失败!" }));
            }
        }