小程序实现上下移动切换位置

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本文实例为大家分享小程序实现上下移动切换位置的具体代码,供大家参考,具体内容如下

小程序实现上下移动切换位置

<view wx:for="{{companyData}}" wx:key="{{item.id}}" class="overHiden">
     <view class="floarLeft">{{item.name}}</view>
     <view class="floarRight" wx:if="{{index != 0}}" data-index="{{index}}" bindtap="topClick">
      <image src="../../images/32.png" class="rightmenuImg"></image>
     </view>
     <view class="floarRight" wx:if="{{index != companyData.length-1}}" data-index="{{index}}" bindtap="bottomClick">
      <image src="../../images/33.png" class="rightmenuImg"></image>
     </view>
</view>
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
  })
 }

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原文链接:https://www.f2er.com/js/526395.html

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