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]"> </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]"> </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]"> </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]"> </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。