本文实例为大家分享了微信小程序实现底部导航的具体代码，供大家参考，具体内容如下
建一个tabbar.wxml组件
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<template name="tabBar"> <view class="tab-bar" style="color: {{tabBar.color}}; background: {{tabBar.backgroundColor}}; {{tabBar.position=='top'? 'top: 0' : 'bottom: 0'}};"> <block wx:for="{{tabBar.list}}" wx:key="pagePath"> <navigator hover-class="none" url="{{item.pagePath}}" open-type="redirect" class="tabbar_item {{item.clas}}" style="{{item.active? 'color: '+(item.selectedColor? item.selectedColor : tabBar.selectedColor) : ''}};position:relative;"> <image src="{{item.selectedIconPath}}" wx:if="{{item.active&&item.selectedIconPath}}" class="img"></image> <image src="{{item.iconPath}}" wx:if="{{!item.active&&item.iconPath}}" class="img"></image> <image src="{{item.logo}}" wx:if="{{item.logo}}" style="width:110rpx;height:110rpx;border:10rpx solid #ffffff;border-radius:50%;position:absolute;top:-50%;left:-40%,"></image> <text class="tabbar_text" wx:if="{{item.text}}">{{item.text}}</text> </navigator> </block> </view></template> |
app.js中定义
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editTabBar: function () {//使用getCurrentPages可以获取当前加载中所有的页面对象的一个数组，数组最后一个就是当前页面。var curPageArr = getCurrentPages(); //获取加载的页面var curPage = curPageArr[curPageArr.length - 1]; //获取当前页面的对象var pagePath = curPage.route; //当前页面urlif (pagePath.indexOf('/') != 0) {pagePath = '/' + pagePath;}var tabBar = this.globalData.tabBar;for (var i = 0; i < tabBar.list.length; i++) {tabBar.list[i].active = false;if (tabBar.list[i].pagePath == pagePath) {tabBar.list[i].active = true; //根据页面地址设置当前页面状态 }}curPage.setData({tabBar: tabBar});},globalData: {tabBar: {"color": "#B0B6B8","selectedColor": "#4877BD","backgroundColor": "#ffffff","borderStyle": "#ccc","list": [{"pagePath": "/pages/messagelist/messagelist","text": "消息","iconPath": "/img/message-1.png","selectedIconPath": "/img/message-2.png","selectedColor": "#4877BD","clas": "menu-item",active: false},{"pagePath": "/pages/salefriend/salefriend","text": "名片","iconPath": "/img/card-1.png","selectedIconPath": "/img/card-2.png","selectedColor": "#4877BD","clas": "menu-item",active: false},{"pagePath": "/pages/customnav/customnav","text": "",// "iconPath": "/img/gifts.png",// "selectedIconPath": "/img/gifts.png","logo":"/img/logo.png","selectedColor": "#4877BD","clas": "menu-item",islogo:true,active: false},{"pagePath": "/pages/salescircle/salescircle","text": "发现","iconPath": "/img/discover-1.png","selectedIconPath": "/img/discover-2.png","selectedColor": "#4877BD","clas": "menu-item",active: false},{"pagePath": "/pages/mine/mine","text": "我的","iconPath": "/img/mine-1.png","selectedIconPath": "/img/mine-2.png","selectedColor": "#4877BD","clas": "menu-item",active: false}],"position": "bottom"},}, |
在需要用的导航的页面的wxml
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<import src="/components/tabbar.wxml" /><template is="tabBar" data="{{tabBar}}" /> |
在需要用的导航的页面的js中
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const app = getApp(); onShow: function () { app.editTabBar(); //显示自定义的底部导航 }, |
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/Dilemma_me/article/details/103251168
