微信小程序实现折叠展开效果

本文实例为大家分享了微信小程序实现折叠展开效果的具体代码，供大家参考，具体内容如下

wxml：

<view class=\"page\">
<!-- 总数 -->
<view class=\"li\" bindtap=\'changeToggle\'>
<view class=\"left\">总数</view>
<view class=\"right gray\" >8</view>
</view>

<!--分类 -->
<view class=\"li\" data-index=\"0\" bindtap=\'changeToggle\'>
<view class=\"left\">类别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>展开1</view>
  </view>
 </block>
 </view>

 <view class=\"li\" data-index=\"1\" bindtap=\'changeToggle\'>
 <view class=\"left\">类别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>展开2</view>

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

 <view class=\"li\" data-index=\"2\" bindtap=\'changeToggle\'>
 <view class=\"left\">类别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>展开3</view>

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


 <view class=\"li\" data-index=\"3\" bindtap=\'changeToggle\'>
 <view class=\"left\">类别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>展开4</view>
  <view class=\"red\">展开4右边</view>
  </view>
 </block>
 </view>

wxss:

/* 列表详情 */

.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 }
 ],

 // 展开折叠
 selectedFlag: [false, false, false, false],

 },
 // 展开折叠选择 
 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
 })
 },

})

效果图，手风琴效果：

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。