How to implement anchor point jump in uniapp

How uniapp implements anchor point jump: Use uniapp's [uni.createSelectorQuery()] method in combination with the [uni.pageScrollTo(OBJECT)] method.

The operating environment of this tutorial: windows7 system, uni-app2.5.1 version, Dell G3 computer.

Recommended (free): uni-app development tutorial

uniapp implements anchor point jump Method:

Combine uniapp’s uni.createSelectorQuery() method with the uni.pageScrollTo(OBJECT) method

Core Code

//从当前位置到达目标位置
            uni.createSelectorQuery().select('.comment-content').boundingClientRect(data=>{//目标位置的节点：类或者id
                  uni.createSelectorQuery().select(".arc-content").boundingClientRect(res=>{//最外层盒子的节点：类或者id
                        uni.pageScrollTo({
                              duration: 100,//过渡时间
                              scrollTop:data.top - res.top  ,//到达距离顶部的top值
                        })
                  }).exec()
            }).exec();

Code example

<template>
      <view class="arc-content" id="arc-content">
            <view class="info-content">文章区域。。。</view>
            <view class="comment-content" id="comment-content">评论区域。。。</view>
      </view>
</template>
togglePosition(){
      if(this.positionSelect){
            this.positionSelect=false
            //从评论区域回到顶部
            uni.createSelectorQuery().select(&#39;.comment-content&#39;).boundingClientRect(data=>{//目标位置的节点：类或者id
                  uni.createSelectorQuery().select(".arc-content").boundingClientRect(res=>{//最外层盒子的节点：类或者id
                        uni.pageScrollTo({
                              duration: 100,//过渡时间
                              scrollTop:res.top - data.top  ,//返回顶部的top值
                        })
                  }).exec()
            }).exec();
      }else{
            this.positionSelect=true
            //从当前位置到达评论区域
            uni.createSelectorQuery().select(&#39;.comment-content&#39;).boundingClientRect(data=>{//目标位置的节点：类或者id
                  uni.createSelectorQuery().select(".arc-content").boundingClientRect(res=>{//最外层盒子的节点：类或者id
                        uni.pageScrollTo({
                              duration: 100,//过渡时间
                              scrollTop:data.top - res.top  ,//到达距离顶部的top值
                        })
                  }).exec()
            }).exec();
      }
},

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