頁面觸底加載下一頁

  success: function(res) {
        let goodslist = that.data.page == 1 ? [] : that.data.goodslist;
        let page = res.data.result.length <= 0 ? that.data.page : ++that.data.page;
        goodslist.push(...res.data.result)
        that.setData({
          goodslist,
          page
        })
      }

　　

  onReachBottom() {
    this.loadingData();
  },