success: function(res) { //res就是接收后台返回的数据
        console.log(res.data.source)
        if (res.data.source) {
          that.setData({
            person: res.data.source,
            ['furuiMeterreading.userName']: res.data.source.userName,
            ['furuiMeterreading.userCode']: res.data.source.userCode,
            ['furuiMeterreading.gauGeno']: res.data.source.gauGeno,
            ['furuiMeterreading.userAddress']: res.data.source.userAddress,
          })
          console.log(that.data.furuiMeterreading)
          console.log(that.data.person);
        }

AppData里已经set上值 单页面不渲染