const query = uni.createSelectorQuery().in(this);
query.select('#id').boundingClientRect(data => {
  console.log("得到布局位置信息" + JSON.stringify(data));
  console.log("節(jié)點(diǎn)離頁面頂部的距離為" + data.top);
}).exec();

<template>
    <view>
        <view >
        <view>Html</view>
        <view id="target">Css</view>
        <view">Javascript</view>
    </view>
</template>

<script>
    export default {
        onReady(){// 注意：想要拿到元素實(shí)例，需要在實(shí)例已經(jīng)掛載到頁面上才可以
            this.getInfo()
        },
        methods: {
            getInfo() {
                const query = uni.createSelectorQuery().in(this);
                query.select('#target').boundingClientRect(data => {
                    console.log(data)
                }).exec();
            }
        }
    };
</script>

export default{
    getRect(selector){
        return new Promise((resolve) => {
            let view = uni.createSelectorQuery().select(selector);
            view.fields({
                size: true,
                rect: true,
                scrollOffset:true
            }, (res) => {
                resolve(res);
            }).exec();
        })
    }
}
main.js里直接
import Xxx from 'xxx.js'
Vue.prototype.$Xxx = Xxx

onReady(){
    this.$Tool.getRect(".Html").then(res => {
         console.log(res) //res里有各屬性信息
    })
},

uni.pageScrollTo({
    scrollTop: res里面距離最上的距離(如res.top) 
})