text: Page({
      data: {
          scrollTop: 0
      },
  
      onChange(event) {
          console.log(event.detail, "click right menu callback data");
      },
  
      //页面滚动执行方式
      onPageScroll(event) {
          this.setData({
              scrollTop: event.scrollTop
          });
      }
  });
  