今天練習的這個小項目是一個側邊導航菜單的效果，這是一個很常用的功能，有隐藏顯示功能，這樣設計的目的，主要是在一些項目中，我們可以節省一定的頁面空間，以便頁面顯示更多内容。
現在，我們一起來看一下項目的最終效果：
HTML代碼：
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>【每日一練】22—實作一個菜單頁籤的效果</title>
</head>
<body>
<div class="navigation">
<ul>
<li class="list active">
<a href="#">
<span class="icon"><ion-icon name="home-outline"></ion-icon></span>
<span class="title">首頁</span>
</a>
</li>
<li class="list">
<a href="#">
<span class="icon"><ion-icon name="person-outline"></ion-icon></span>
<span class="title">簡介</span>
</a>
</li>
<li class="list">
<a href="#">
<span class="icon"><ion-icon name="chatbubbles-outline"></ion-icon></span>
<span class="title">消息</span>
</a>
</li>
<li class="list">
<a href="#">
<span class="icon"><ion-icon name="settings-outline"></ion-icon></span>
<span class="title">設定</span>
</a>
</li>
<li class="list">
<a href="#">
<span class="icon"><ion-icon name="help-outline"></ion-icon></span>
<span class="title">幫助</span>
</a>
</li>
<li class="list">
<a href="#">
<span class="icon"><ion-icon name="lock-closed-outline"></ion-icon></span>
<span class="title">密碼</span>
</a>
</li>
<li class="list">
<a href="#">
<span class="icon"><ion-icon name="log-out-outline"></ion-icon></span>
<span class="title"> 退出</span>
</a>
</li>
</ul>
</div>
<script type="module" src="https://unpkg.com/[email protected]/dist/ionicons/ionicons.esm.js"></script>
<script nomodule src="https://unpkg.com/[email protected]/dist/ionicons/ionicons.js"></script>
<script>
const list = document.querySelectorAll('.list');
function activelink(){
list.forEach((item) =>
item.classList.remove('active'));
this.classList.add('active');
}
list.forEach((item) =>
item.addEventListener('click', activelink));
</script>
</body>
</html> CSS代碼：
*
{
margin: 0;
padding: 0;
box-sizing: border-box;
font-family: 'Poppins', sans-serif;
}
body
{
min-height: 100vh;
background: #232c33;
display: flex;
justify-content: center;
align-items: center;
}
.navigation
{
position: relative;
height: 500px;
width: 70px;
box-sizing: initial;
border-left: 10px solid #2b343b;
box-shadow: 10px 0 0 #4187f6;
background: #2b343b;
transition: width 0.5s;
overflow-x: hidden;
}
.navigation:hover
{
width: 300px;
}
.navigation ul
{
position: absolute;
top: 0;
left: 0;
width: 100%;
padding-left: 5px;
padding-top: 40px;
}
.navigation ul li
{
position: relative;
list-style: none;
width: 100%;
border-top-left-radius: 20px;
border-bottom-left-radius: 20px;
}
.navigation ul li.active
{
background: #4187f6;
}
.navigation ul li a
{
position: relative;
display: block;
width: 100%;
display: flex;
text-decoration: none;
color: #fff;
}
.navigation ul li.active a
{
color: #fff;
}
.navigation ul li.active a::before
{
content: '';
position: absolute;
top: -30px;
right: 0;
width: 30px;
height: 30px;
background: #2b343b;
border-radius: 50%;
box-shadow: 15px 15px 0 #4187f6;
}
.navigation ul li.active a::after
{
content: '';
position: absolute;
bottom: -30px;
right: 0;
width: 30px;
height: 30px;
background: #2b343b;
border-radius: 50%;
box-shadow: 15px -15px 0 #4187f6;
}
.navigation ul li a .icon
{
position: relative;
display: block;
min-width: 60px;
height: 60px;
line-height: 70px;
text-align: center;
}
.navigation ul li a .icon ion-icon
{
position: relative;
font-size: 1.5em;
z-index: 1;
}
.navigation ul li a .title
{
position: relative;
display: block;
padding-left: 10px;
height: 60px;
line-height: 60px;
white-space: nowrap;
} 寫在最後
以上就是每日一練的全部内容，希望今天的小練習對你有用，如果你覺得有幫助的話，請點贊我，關注我，并将它分享給你身邊做開發的朋友，也許能夠幫助到他。
我是楊小愛，我們明天見。