type MainController struct {    beego.Controller}func (this *MainController) Get() {    this.Data["IsHome"] = true    this.Data["Website"] = "s.me"    this.Data["Email"] = "304030196@qq.com"    this.TplNames = "templets/default/index.tpl"    //根据路由判断zoneid    zoneid := getZone()    //幻灯片模块    myads := getAds(zoneid)    // this.Data["Myads"] = myads    var normbody models.Normbody    var data []models.Normbody    for i := 0; i < len(myads); i++ {        myad := myads[i]        jsonStr := myad.Normbody        if err := json.Unmarshal([]byte(jsonStr), &normbody); err == nil {            fmt.Println("%v,%d", normbody, i)            data = append(data, normbody)        }    }    this.Data["Myad"] = data    fmt.Println("%v", data)}/*************1.0 获得Zoneid*******************/func getZone() string {    return "2"}/*************2.0 获得广告数据*******************/func getAds(zoneid string) []models.Myads {    datalist, err := models.GetMyads(zoneid)    if err != nil {        beego.Error(err)        return nil    }    return datalist}

        <div class="ads">         {{range .Myad}}         <a href="{{.Url}}"> <img src="/{{.Uploadfiles}}" width="{{.Width}}" height="{{.Height}}"  alt="{{.Title}}" /></a>        {{end}}        </div>