<!--收起折叠 begin-->

<view style='width:100%;background:#fff;border-top:1px solid #d7d7d7;'>

  <view style='float:left;width:200px;height:90px;display:{{displaymore}}' bindtap='sourcelistshow'>全部课程</view>

  <view style='float:left;width:200px;height:90px;display:{{displayless}}' bindtap='sourcelistless'>点击收起</view>

  <view style='height:200px;width:80%;background:#fff;float:left;border:1px solid #000;display:{{display}}'>隐藏的内容</view>

  <view style='float:left;height:200px;width:80%;background:#fff;border:1px solid #000'>123123123123</view>

</view>

<!--收起折叠 end-->

Page({

  data: {

    display:'none',

    displaymore:'block',

    displayless: 'none'

  },

  sourcelistshow: function(){

    console.log('more')

    var that = this

    that.setData({ display: 'block', displaymore:'none',displayless:'block' })

  },

  sourcelistless: function () {

    console.log('less')

    var that = this

    that.setData({ display: 'none', displaymore: 'block', displayless: 'none' })

  }