### [微信小程序自定义底部tarbar的代码实现](https://www.prosaas.cn/article/17173) **Published:** 2018-08-10T06:41:34 **Author:** 5201314 **Excerpt:** 本篇文章给大家带来的内容是关于微信小程序自定义底部tarbar的代码实现,有一定的参考价值,有需要的朋友可以参… 本篇文章给大家带来的内容是关于微信小程序自定义底部tarbar的代码实现,有一定的参考价值,有需要的朋友可以参考一下,希望对你有所帮助。 先看一看目录  ![](https://img-blog.csdn.net/20171229172525061?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvcXFfMjk3Mjk3MzU=/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/SouthEast)  template文件夹里存放tabbar模板。  template/template.wxml 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