以下代码保存在github地址
先看一看目录
template文件夹里存放tabbar模板。
template/template.wxml
<template> <view> <block wx:for="{{tabBar}}" wx:for-item="item" wx:key="tabBar"> <view> <navigator open-type="redirect" url="{{item.pagePath}}"> <view><image src='https://www.jb51.net/{{item.iconPath}}'></image></view> <view>{{item.text}}</view> </navigator> </view> </block> </view> </template>
template.css
.icon{ width:54rpx; height: 54rpx; } .tabBar{ width:100%; position: fixed; bottom:0; padding:10rpx; margin-left:-4rpx; background:#F7F7FA; font-size:20rpx; color:#8A8A8A; box-shadow: 6rpx 6rpx 6rpx 6rpx #aaa; } .tabBar-item{ float:left; width:25%; text-align: center; overflow: hidden; } /*当前字体颜色*/ .tabBartext{ color:red; }
template.js
//初始化数据 function tabbarinit() { return [ { "current":0, "pagePath": "/pages/index/index", "iconPath": "/imgs/home.png", "selectedIconPath": "/imgs/home_on.png", "text": "主页" }, { "current": 0, "pagePath": "/pages/news/news", "iconPath": "/imgs/message.png", "selectedIconPath": "/imgs/message_on.png", "text": "资讯" }, { "current": 0, "pagePath": "/pages/category/category", "iconPath": "/imgs/category.png", "selectedIconPath": "/imgs/category_on.png", "text": "分类" }, { "current": 0, "pagePath": "/pages/buy/buy", "iconPath": "/imgs/buy.png", "selectedIconPath": "/imgs/buy_on.png", "text": "购物" } ] } //tabbar 主入口 function tabbarmain(bindName = "tabdata", id, target) { var that = target; var bindData = {}; var otabbar = tabbarinit(); otabbar[id]['iconPath'] = otabbar[id]['selectedIconPath']//换当前的icon otabbar[id]['current'] = 1; bindData[bindName] = otabbar that.setData({ bindData }); } module.exports = { tabbar: tabbarmain }
到此改组件完成，然后讲解一下使用方法。
我们先把样式载入到app.wxss
@import "/template/template.wxss";
在index文件夹
index.wxml
<import src=""/> <template is="tabBar" data="{{tabBar:bindData.tabBar}}"/>
index.js
const app = getApp() var template = require('../../template/template.js'); Page({ data: { }, onLoad: function () { template.tabbar("tabBar", 0, this)//0表示第一个tabbar }, })
news.wxml与index.wxml一样
news.js如下
const app = getApp() var template = require('../../template/template.js'); Page({ data: { }, onLoad: function () { template.tabbar("tabBar", 1, this)//1表示第二个tabbar }, })
效果如图
