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关于webservice返回json

2024-08-08 11:01:32   217人阅读

 [WebMethod]        public List<PictureManager> LoadPictureOne()        {            dataDataContext context = new dataDataContext();            List<PictureManager> list = new List<PictureManager>();            try            {                List<PictureManager> li = context.PictureManager.Where(p => p.TypeId == 2 && p.IsShow == true).OrderByDescending(p => p.Id).Take(8).ToList();                foreach (PictureManager item in li)                {                    PictureManager tb = new PictureManager();                    tb.Id = item.Id;                    tb.Name = item.Name;                    tb.Picture = item.Picture;                    tb.Price = item.Price;                    tb.PriceInfo = item.PriceInfo;                    tb.Remark = item.Remark;                    list.Add(tb);                }            }            catch (Exception ex)            {                throw new Exception(ex.Message);            }            return list;        }
//加载图片1function LoadPictureOne() {    $("#div1").html("");    var htmlInfo = "";    $.ajax({        type: "post",        contentType: "application/json;charset=utf-8",        url: "../../service/backstageService.asmx/LoadPictureOne",        data: "",        dataType: "json",        success: function (result) {            var data =http://www.mamicode.com/ eval(result.d);            $(data).each(function () {                htmlInfo += "<div class=‘moxin‘><div ><img style=\"width:223px; height:217px;\" src=http://www.mamicode.com/images/PictureManager/" + this.Picture + "‘ alt=‘" + this.Name + "‘ /></div><ul><li><p class=‘wenziqj‘>" + this.Price + "</p></li><li><p class=‘wenzish‘> " + this.PriceInfo + "</p><p class=‘wenzixia‘>" + this.Name + "</p></li><li class=‘tuliji‘   onclick=‘img_click(\"" + this.Name + "\")‘><img src=http://www.mamicode.com/images/images/qiangoguanniu.png‘ style=‘cursor:pointer‘ />
"; }); $("#div1").html($.trim(htmlInfo)); }, error: function (err) { layer.alert("加载图片出错", 5); } });}

 如果返回的 是单个对象：
 result.d的值是："{"brxm":"aa","ys":"bb","ks":"cc","hm":"123","sj":"08:50"}"
eval("("+result.d+")")试一试。

     [WebMethod]        public string GetCount()        {            string json = string.Empty;            try            {                using (dataDataContext context = new dataDataContext())                {                    if (context.tb_ApplicationAward.Count() != 0)                    {                        int CountM = Convert.ToInt32(context.tb_ApplicationAward.Sum<tb_ApplicationAward>(p => p.scheduleLength));                        if (CountM > 2000)                        {                            CountM = 2000;                        }                        int CountPeople = context.tb_ApplicationAward.Count();                        return "{‘CountM‘:" + CountM + ",‘CountPeople‘:" + CountPeople + "}";                    }                    return "{\"CountM\":" + 0 + ",\"CountPeople\":" + 0 + "}";                }            }            catch (Exception)            {                return null;            }        }
function Loading() {    $.ajax({        type: "post",        contentType: "application/json;charset=utf-8",        url: "../../service/backstageService.asmx/GetCount",        data: "{}",        dataType: "json",        success: function (js) {            var obj = eval(‘(‘ + js.d + ‘)‘);            var CountM = obj.CountM;//总米数            count = CountM;            var CountPeople = obj.CountPeople;//总人数    //前台取得时候是用js.d来取

 

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