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微信小程序?qū)崿F(xiàn)折疊展開效果

更新時間：2022年05月23日 09:27:05 作者：Lucy-

這篇文章主要為大家詳細介紹了微信小程序?qū)崿F(xiàn)折疊展開效果，文中示例代碼介紹的非常詳細，具有一定的參考價值，感興趣的小伙伴們可以參考一下

本文實例為大家分享了微信小程序?qū)崿F(xiàn)折疊展開效果的具體代碼，供大家參考，具體內(nèi)容如下

wxml：

<view class="page">
<!-- 總數(shù) -->
<view class="li" bindtap='changeToggle'>
<view class="left">總數(shù)</view>
<view class="right gray" >8</view>
</view>

<!--分類 -->
<view class="li" data-index="0" bindtap='changeToggle'>
<view class="left">類別1</view>
<view class="right">3 <text class="iconfont {{selectedFlag[0]?'icon-shangjiantou':'icon-xiala'}}"> </text>
  </view>
 </view>
 <view hidden="{{!selectedFlag[0]}}">
 <block wx:for="{{list01}}" wx:for-item="item" wx:for-index="index">
  <view class="li bg-gray">
  <view>展開1</view>
  </view>
 </block>
 </view>

 <view class="li" data-index="1" bindtap='changeToggle'>
 <view class="left">類別2</view>
 <view class="right">0
  <text class="iconfont {{selectedFlag[1]?'icon-shangjiantou':'icon-xiala'}}"> </text>
 </view>
 </view>
 <view hidden="{{!selectedFlag[1]}}">
 <block wx:for="{{list02}}" wx:for-item="item" wx:for-index="index">
  <view class="li bg-gray">
  <view>展開2</view>

  </view>
 </block>
 </view>

 <view class="li" data-index="2" bindtap='changeToggle'>
 <view class="left">類別3</view>
 <view class="right red">2
  <text class="iconfont {{selectedFlag[2]?'icon-shangjiantou':'icon-xiala'}}"> </text>
 </view>
 </view>
 <view hidden="{{!selectedFlag[2]}}">
 <block wx:for="{{list03}}" wx:for-item="item" wx:for-index="index">
  <view class="li bg-gray">
  <view>展開3</view>

  </view>
 </block>
 </view>


 <view class="li" data-index="3" bindtap='changeToggle'>
 <view class="left">類別4</view>
 <view class="right red">3
  <text class="iconfont {{selectedFlag[3]?'icon-shangjiantou':'icon-xiala'}}"> </text>
 </view>
 </view>
 <view hidden="{{!selectedFlag[3]}}">
 <block wx:for="{{list04}}" wx:for-item="item" wx:for-index="index">
  <view class="li bg-gray">
  <view>展開4</view>
  <view class="red">展開4右邊</view>
  </view>
 </block>
 </view>

wxss:

/* 列表詳情 */

.li {
 background-color: #fff;
 display: flex;
 justify-content: space-between;
 font-size: 34rpx;
 width: 92%;
 padding: 0 4%;
 height: 100rpx;
 line-height: 100rpx;
 border-bottom: 1rpx solid #f1f1f1;
}
.bg-gray{
 background-color: #ccc!important;
 border-bottom: 1rpx solid #fff!important;
}

.li .icon-xiala ,.icon-shangjiantou {
 color: #999;
 font-size: 28rpx;
}

.gray {
 color: #8e8e8e;
}

.red {
 color: #fe2e2e;
}

js:

Page({
 data: {

 list01: [
  { item_id: 1 }, { item_id: 11 }, { item_id: 11 },
 ],
 list02: [

 ],
 list03: [
  { item_id: 11 }, { item_id: 11 }
 ],
 list04: [
  { item_id: 11 }, { item_id: 11 }, { item_id: 11 }
 ],

 // 展開折疊
 selectedFlag: [false, false, false, false],

 },
 // 展開折疊選擇 
 changeToggle:function(e){
 var index = e.currentTarget.dataset.index;
 if (this.data.selectedFlag[index]){
  this.data.selectedFlag[index] = false;
 }else{
  this.data.selectedFlag[index] = true;
 }

 this.setData({
  selectedFlag: this.data.selectedFlag
 })
 },

})

效果圖，手風(fēng)琴效果：