<view class="change-city"  bindtap="changeCity">{{cityname}}</view>

 changeCity: function () {
        console.log("changecity")
        var that = this;
        wx.navigateTo({
            url: '../city/city?cityid=' + that.data.cityid + "&cityname=" + that.data.cityname + "&img=" + that.data.img + "&carname=" + that.data.carname + "&carid=" + that.data.carid
        })
    },

有效位置，可以点击