微信小程序自定义底部导航带跳转功能

<!--底部导航 -->
<view class='footer'>
 <view class='footer_list' data-id='{{index}}' catchtap='Navigation' wx:for="{{listInfo}}" data-current="{{index}}" wx:key="this" bindtap="chooseImg">
 <image class="footer-image" hidden='{{curIdx===index}}' src="/UploadFiles/2021-04-02/{{item.imgUrl}}">

index.js




page({
 
 const app = getApp();
 data:{
   // 底部导航
  curIdx: 0,
  listInfo: [
  {
   text: '首页',
   imgUrl: '/image/index.png',
   curUrl: '/image/index_active.png',
  },
  {
   text: '兼职入口',
   imgUrl: '/image/market.png',
   curUrl: '/image/market_active.png',
  },
  {
   text: '个人中心',
   imgUrl: '/image/my.png',
   curUrl: '/image/my_active.png',
  },
  ] 
 },
 Navigation: function (event) {
 var that = this;
 app.Navigation(event, that);
 },
 // 底部导航
 chooseImg: function (e) {
 this.setData({
  curIdx: e.currentTarget.dataset.current
 })
 // console.log(e)
 // console.log(this.data.curIdx) 
 },
 // 底部导航结束
})


app.wxss




/*自定义底部导航开始 */
.footer {
 position: fixed; 
 bottom: 0;
 width: 100%;
 height:100rpx; /*footer的高度*/
 background: #ffffff;
 z-index: 500;
 border-top:1rpx solid #ccc;
 display: flex;
 flex-direction: row;
}
.footer_list{
width:17%;
height:100%;
text-align:center;
padding-top:8rpx;
margin-left:60rpx;
margin-right:62rpx;
}
.footer-image{
 width:40%;
 height:45%;
}
.footer-text{
 font-size: 22rpx;
}
/*底部导航结束 */



part-time.wxml




<!--底部导航 -->
<view class='footer'>
 <view class='footer_list' data-id='{{index}}' catchtap='Navigation' wx:for="{{listInfo}}" data-current="{{index}}" wx:key="this" bindtap="chooseImg">
 <image class="footer-image" hidden='{{curIdx===index}}' src="/UploadFiles/2021-04-02/{{item.imgUrl}}">

part-time.js




page({
 const app = getApp();
 data:{
   // 底部导航
 curIdx: 1,
 listInfo: [
  {
  text: '首页',
  imgUrl: '/image/index.png',
  curUrl: '/image/index_active.png',
  },
  {
  text: '兼职入口',
  imgUrl: '/image/market.png',
  curUrl: '/image/market_active.png',
  },
  {
  text: '个人中心',
  imgUrl: '/image/my.png',
  curUrl: '/image/my_active.png',
  },
 ]
 },
  Navigation: function (event) {
 var that = this;
 app.Navigation(event, that);
 },
 // 底部导航
 chooseImg: function (e) {
 this.setData({
  curIdx: e.currentTarget.dataset.current
 })
 // console.log(e)
 // console.log(this.data.curIdx) 
 },
 // 底部导航结束
})


my.wxml




<!--底部导航 -->
<view class='footer'>
 <view class='footer_list' data-id='{{index}}' catchtap='Navigation' wx:for="{{listInfo}}" data-current="{{index}}" wx:key="this" bindtap="chooseImg">
 <image class="footer-image" hidden='{{curIdx===index}}' src="/UploadFiles/2021-04-02/{{item.imgUrl}}">



Page({
const app = getApp();
 /** 
 * 页面的初始数据 
 */
 data: {
 // 底部导航
 curIdx: 2,
 listInfo: [
  {
  text: '首页',
  imgUrl: '/image/index.png',
  curUrl: '/image/index_active.png',
  },
  {
  text: '兼职入口',
  imgUrl: '/image/market.png',
  curUrl: '/image/market_active.png',
  },
  {
  text: '个人中心',
  imgUrl: '/image/my.png',
  curUrl: '/image/my_active.png',
  },
 ]
 },
 // 导航
 Navigation: function (event) {
 var that = this;
 app.Navigation(event, that);
 },
 // 底部导航
 chooseImg: function (e) {
 this.setData({
  curIdx: e.currentTarget.dataset.current
 })
 // console.log(e)
 // console.log(this.data.curIdx) 
 },
 // 底部导航结束
})


效果图：

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