手把手教你制作手机底部导航栏，领导看完都说好👍

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手把手教你制作手机底部导航栏，领导看完都说好👍
前言
一、首先看效果图
二、步骤实现

前言

为什么产品要有 Tab Bar？
答案是为了易于使用，意味着通过 Tab Bar 这种简单的设计可以轻松帮助用户导航到页面。

明白了上面的问题后，接下来就要考虑如何来设计 Tab Bar，能更好的满足用户的需求和体验。

导航栏应该只包含最有用的信息，不能添加过多无用的标签使导航栏混乱。许多 App 在导航栏上添加搜索功能，因为这有助于用户更快地导航和检索内容

一、首先看效果图

请添加图片描述

二、步骤实现

1. index.html

DOCTYPE html><html lang="en"><head>    <meta charset="UTF-8">    <title>BottomBartitle>    <link rel="stylesheet" href="index.css" type="text/css">head><body>    <div class="container">        <div class="item active">            <ion-icon name="home-outline" class="icon">ion-icon>            <div class="text">Homediv>        div>        <div class="item">            <ion-icon name="chatbubble-outline" class="icon">ion-icon>            <div class="text">Chatdiv>        div>        <div class="item">            <ion-icon name="camera-outline" class="icon">ion-icon>            <div class="text">Cameradiv>        div>        <div class="item">            <ion-icon name="person-outline" class="icon">ion-icon>            <div class="text">Userdiv>        div>        <div class="indicator">div>    div>    <script>        const list = document.querySelectorAll('.item')        function activeLink() {            list.forEach((item) =>                item.classList.remove('active'))            this.classList.add('active')        }        list.forEach((item) =>            item.addEventListener('click', activeLink))    script>    <script type="module" src="ionic.esm.js">script>    <script nomodule src="ionic.js">script>body>html>

2. index.css

:root {    --color: #222327}* {    margin: 0;    padding: 0;    box-sizing: border-box;}body {    display: flex;    justify-content: center;    align-items: center;    min-height: 100vh;    background: var(--color);}.container {    width: 440px;    height: 70px;    background: #fff;    display: flex;    justify-content: center;    align-items: center;    border-radius: 10px;    position: relative;}.item {    display: flex;    justify-content: center;    align-items: center;    flex-direction: column;    width: 100px;}.icon {    position: absolute;    font-size: 1.7em;    color: var(--color);    font-weight: bold;    transition: 0.5s;}.text {    transform: translateY(20px);    font-size: 0.75em;    font-weight: bold;    transition: 0.5s;    opacity: 0;}.item.active .icon {    transform: translateY(-32px);    z-index: 1;}.item.active .text {    opacity: 1;    transform: translateY(10px);}.indicator{    position: absolute;    width: 70px;    height: 70px;    background: #29fd53;    left: 35px;    top: -50%;    border-radius: 50%;    border: 6px solid var(--color);    transition: 0.5s;}.indicator::before{    content: '';    position: absolute;    top: 50%;    left: -22px;    width: 20px;    height: 20px;    background: transparent;    border-top-right-radius: 20px;    box-shadow: 0 -10px 0 0 var(--color);}.indicator::after{    content: '';    position: absolute;    top: 50%;    right: -22px;    width: 20px;    height: 20px;    background: transparent;    border-top-left-radius: 20px;    box-shadow: 0 -10px 0 0 var(--color);}.item:nth-child(1).active ~ .indicator{    transform: translateX(calc(100px * 0));}.item:nth-child(2).active ~ .indicator{    transform: translateX(calc(100px * 1));}.item:nth-child(3).active ~ .indicator{    transform: translateX(calc(100px * 2));}.item:nth-child(4).active ~ .indicator{    transform: translateX(calc(100px * 3));}