摘要： 
<template> <div class="demo"> <div class="top"> <ul> <li @click="one">回到顶级</li> <li v-for="item of parents" :key="item.value" @click="jump(item)">{{it 阅读全文
<template> <div class="demo"> <div class="top"> <ul> <li @click="one">回到顶级</li> <li v-for="item of parents" :key="item.value" @click="jump(item)">{{it 阅读全文