vue 点击展开显示更多(点击收起部分隐藏)

<div>    <p v-for="(item, index) in showdetailList">      <span>{{item.title}}</span>      <span>{{item.name}}</span>     </p></div><div v-if="detailList.length > 6" v-on:click="changeFoldState">     <span>{{brandFold?'展开':'收起'}}</span> </div>

data() {   return {brandFold: true   }}

mocData() {  var items = ['Dr.Ci:Labo城野医生', '日本', '控油  收敛毛孔', '任何肤质', '面部', '化妆水', '任何肤质', '面部', '化妆水']  var lists = ['商品品牌', '品牌国', '功能', '适合肤质', '适用部位', '产品类型', '商品品牌', '品牌国', '功能']  for (var i = 0; i < items.length; i++) {     let item = {title: lists[i], name: items[i]}     this.detailList.push(item)  }  console.log(this.detailList)}

computed: {  showdetailList: {   get: function () {     if (this.brandFold) {       if (this.detailList.length < 7) {        return this.detailList       }       let newArr = []       for (var i = 0; i < 6; i++) {         let item = this.detailList[i]         newArr.push(item)       }       return newArr      }      return this.detailList    },    set: function (val) {      this.showdetailList = val    }  }}

changeFoldState() {    this.brandFold = !this.brandFold}