小程序上下切换位置

小程序上下切换位置

wxml

<view wx:for="{{companyData}}" wx:key="index" class="overHiden">
   <view class="floarLeft">{{item.name}}</view>
   <view class="floarRight" wx:if="{{index != 0}}" data-index="{{index}}" bindtap="topClick">
    上
   </view>
   <view class="floarRight" wx:if="{{index != companyData.length-1}}" data-index="{{index}}" bindtap="bottomClick">
   下
   </view>
</view>

js

// pages/yidong/yidong.js
Page({

  /**
   * 页面的初始数据
   */
  data: {
    companyData:[
      {
       id:0,
       name:'产品1'
      },
      {
       id:1,
       name:'产品2'
      },
      {
       id:2,
       name:'产品3'
      },
      {
       id:3,
       name:'产品4'
      },
      {
       id:4,
       name:'产品5'
      }
     ]
  },

  //位置向上移动
topClick: function(e) {
  var that = this
  var index = e.currentTarget.dataset.index
  var one = that.data.companyData[index]
  var two = that.data.companyData[index - 1]
  var index2 = index - 1
  var data1 = "companyData[" + index + "]"
  var data2 = "companyData[" + index2 + "]"
  that.setData({
   [data1]: two,
   [data2]: one
  })
  },
  // 位置向下移动
  bottomClick: function(e) {
  var that = this
  var index = e.currentTarget.dataset.index
  var one = that.data.companyData[index]
  var two = that.data.companyData[index + 1]
  var index2 = index + 1
  var data1 = "companyData[" + index + "]"
  var data2 = "companyData[" + index2 + "]"
  that.setData({
   [data1]: two,
   [data2]: one
  })
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {

  },

  /**
   * 生命周期函数--监听页面初次渲染完成
   */
  onReady: function () {

  },

  /**
   * 生命周期函数--监听页面显示
   */
  onShow: function () {

  },

  /**
   * 生命周期函数--监听页面隐藏
   */
  onHide: function () {

  },

  /**
   * 生命周期函数--监听页面卸载
   */
  onUnload: function () {

  },

  /**
   * 页面相关事件处理函数--监听用户下拉动作
   */
  onPullDownRefresh: function () {

  },

  /**
   * 页面上拉触底事件的处理函数
   */
  onReachBottom: function () {

  },

  /**
   * 用户点击右上角分享
   */
  onShareAppMessage: function () {

  }
})

以上仅供参考，方便大家学习！！