本文实例为大家分享了小程序实现上下切换位置的具体代码,供大家参考,具体内容如下
小程序上下切换位置
wxml
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< 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 >
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js:
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// 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 () {
}
})
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以上仅供参考,方便大家学习!!
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服务器之家。
原文链接:https://blog.csdn.net/JSN___/article/details/109643206