<!--index.wxml-->
<view class="container" bindtap=‘hidemenu‘>
  <view class=‘header‘>
    <image src=‘/img/menu.png‘ style=‘width:20px;height:20px;padding-right:10px;‘ bindtap=‘menu‘></image>
    <text>{{title}}</text>
  </view>
  <view class=‘category_list {{showview ? "hide" : "show"}}‘>
    <navigator wx:for="{{category}}">
      {{item.title}}({{item.count_post}})
    </navigator>
  </view>
</view>

/**index.wxss**/
.header{
  display: flex;
  flex-direction: row;
  background-color: #1AAD19;
  color: white;
  padding-top: 10rpx;
  padding-bottom: 10rpx;
}
.category_list{
  background-color: #1AAD19;
  width: 200rpx;
  text-align: center;
  color: white;
}
.category_list navigator{
  padding-top: 20rpx;
  padding-bottom: 20rpx;
}
.hide{
  display: none;
}
.show{
  display: block;
}

//index.js
//获取应用实例
const app = getApp()

Page({
  data: {
    title: ‘欢迎来到社区‘,
    showview:true,
  },
  //事件处理函数
  onLoad: function () {
    var that = this
    wx.request({
      url: ‘http://127.0.0.1/lss/public/api/index/getcategory‘,
      success:function(res){
        that.setData({
          category: res.data.data
        })
      }
    })
  },
  menu:function(options){
    var that = this
    that.setData({
      showview: that.data.showview ? false : true,
    })

  }
})