微信小程序实现下滑到底部自动翻页功能

<scroll-view class="scroll_view" scroll-y bindscrolltolower="nextPage">
 <view style="height:100vh">
  <block wx:for="{{lists}}" wx:for-index="index" wx:for-item="item" wx:key="unique">
   <view style="height:10vh;border:1rpx solid red">
    {{item}}
   </view>
  </block>
 </view>
</scroll-view>

.scroll_view{
 height:100vh;
}

Page({

 data: {
  lists: [],
  page: 1
 },
 //监听是否滑到底部
 nextPage: function () {
  let new_lists = [];
  let page = this.data.page;
  let startindex = page  10 + 1;
  console.log("第" + page + "页滑到底部了,请求第" + (page + 1) + "页");
  page += 1;
  //模拟请求
  for (let i = startindex; i <= startindex + 9; i++) {
   new_lists.push(i);
  }
  this.setData({ lists: this.data.lists.concat(new_lists), page: page });
 },
 onLoad: function (options) {
  let lists = [];
  //模拟请求
  for (let i = this.data.page; i <= this.data.page + 9; i++) {
   lists.push(i)
  }
  this.setData({ lists: lists, });
 },
})