CSS3開發案例

三角形案例

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <style>
        div {
            position: relative;
            width: 249px;
            height: 35px;
            border: 1px solid #000;
        }
        
        div::after {
            content: "";
            position: absolute;
            top: 8px;
            right: 15px;
            width: 10px;
            height: 10px;
            border-right: 1px solid #000;
            border-bottom: 1px solid #000;
            transform: rotate(45deg);
            transition: all 0.2s;
        }
        /* 鼠標經過div  裏面的三角旋轉 */
        
        div:hover::after {
            transform: rotate(225deg);
        }
    </style>
</head>

<body>
    <div></div>
</body>

</html>

旋轉中心點案例

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <style>
        div {
            overflow: hidden;
            width: 200px;
            height: 200px;
            border: 1px solid pink;
            margin: 10px;
            float: left;
        }
        
        div::before {
            content: "黑馬";
            display: block;
            width: 100%;
            height: 100%;
            background-color: hotpink;
            transform: rotate(180deg);
            transform-origin: left bottom;
            transition: all 0.4s;
        }
        /* 鼠標經過div 裏面的before 復原 */
        
        div:hover::before {
            transform: rotate(0deg);
        }
    </style>
</head>

<body>
    <div></div>
    <div></div>
    <div></div>
</body>

</html>

圖片放大

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <style>
        div {
            overflow: hidden;
            float: left;
            margin: 10px;
        }
        
        div img {
            transition: all .4s;
        }
        
        div img:hover {
            transform: scale(1.1);
        }
    </style>
</head>

<body>
    <div>
        <a href="#"><img src="media/scale.jpg" alt=""></a>
    </div>
    <div>
        <a href="#"><img src="media/scale.jpg" alt=""></a>
    </div>
    <div>
        <a href="#"><img src="media/scale.jpg" alt=""></a>
    </div>
</body>

</html>

分頁按鈕

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <style>
        li {
            float: left;
            width: 30px;
            height: 30px;
            border: 1px solid pink;
            margin: 10px;
            text-align: center;
            line-height: 30px;
            list-style: none;
            border-radius: 50%;
            cursor: pointer;
            transition: all .4s;
        }
        
        li:hover {
            transform: scale(1.2);
        }
    </style>
</head>

<body>
    <ul>
        <li>1</li>
        <li>2</li>
        <li>3</li>
        <li>4</li>
        <li>5</li>
        <li>6</li>
        <li>7</li>
    </ul>
</body>

</html>

熱點圖

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <style>
        body {
            background-color: #333;
        }
        
        .map {
            position: relative;
            width: 747px;
            height: 616px;
            background: url(img/map.png) no-repeat;
            margin: 0 auto;
        }
        
        .city {
            position: absolute;
            top: 227px;
            right: 193px;
            color: #fff;
        }
        
        .tb {
            top: 500px;
            right: 80px;
        }
        
        .dotted {
            width: 8px;
            height: 8px;
            background-color: #09f;
            border-radius: 50%;
        }
        
        .city div[class^="pulse"] {
            /* 保證我們小波紋在父盒子裏面水平垂直居中 放大之後就會中心向四周發散 */
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 8px;
            height: 8px;
            box-shadow: 0 0 12px #009dfd;
            border-radius: 50%;
            animation: pulse 1.2s linear infinite;
        }
        
        .city div.pulse2 {
            animation-delay: 0.4s;
        }
        
        .city div.pulse3 {
            animation-delay: 0.8s;
        }
        
        @keyframes pulse {
            0% {}
            70% {
                /* transform: scale(5);  我們不要用scale 因爲他會讓 陰影變大*/
                width: 40px;
                height: 40px;
                opacity: 1;
            }
            100% {
                width: 70px;
                height: 70px;
                opacity: 0;
            }
        }
    </style>
</head>

<body>
    <div class="map">
        <div class="city">
            <div class="dotted"></div>
            <div class="pulse1"></div>
            <div class="pulse2"></div>
            <div class="pulse3"></div>
        </div>
        <div class="city tb">
            <div class="dotted"></div>
            <div class="pulse1"></div>
            <div class="pulse2"></div>
            <div class="pulse3"></div>
        </div>
    </div>
</body>

</html>

圖片：

奔跑的北極熊案例

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <style>
        body {
            background-color: #ccc;
        }
        
        div {
            position: absolute;
            width: 200px;
            height: 100px;
            background: url(img/bear.png) no-repeat;
            /* 我們元素可以添加多個動畫， 用逗號分隔 */
            animation: bear .4s steps(8) infinite, move 3s forwards;
        }
        
        @keyframes bear {
            0% {
                background-position: 0 0;
            }
            100% {
                background-position: -1600px 0;
            }
        }
        
        @keyframes move {
            0% {
                left: 0;
            }
            100% {
                left: 50%;
                transform: translateX(-50%);
            }
        }
    </style>
</head>

<body>
    <div></div>
</body>

</html>

翻轉盒子

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <style>
        body {
            perspective: 400px;
        }
        
        .box {
            position: relative;
            width: 300px;
            height: 300px;
            margin: 100px auto;
            transition: all .4s;
            /* 讓背面的紫色盒子保留立體空間 給父級添加的 */
            transform-style: preserve-3d;
        }
        
        .box:hover {
            transform: rotateY(180deg);
        }
        
        .front,
        .back {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            border-radius: 50%;
            font-size: 30px;
            color: #fff;
            text-align: center;
            line-height: 300px;
        }
        
        .front {
            background-color: pink;
            z-index: 1;
        }
        
        .back {
            background-color: purple;
            /* 像手機一樣 背靠背 旋轉 */
            transform: rotateY(180deg);
        }
    </style>
</head>

<body>
    <div class="box">
        <div class="front"></div>
        <div class="back"></div>
    </div>
</body>

</html>

3D導航欄案例

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <style>
        * {
            margin: 0;
            padding: 0;
        }
        
        ul {
            margin: 100px;
        }
        
        ul li {
            float: left;
            margin: 0 5px;
            width: 120px;
            height: 35px;
            list-style: none;
            /* 一會我們需要給box 旋轉 也需要透視 乾脆給li加 裏面的子盒子都有透視效果 */
            perspective: 500px;
        }
        
        .box {
            position: relative;
            width: 100%;
            height: 100%;
            transform-style: preserve-3d;
            transition: all .4s;
        }
        
        .box:hover {
            transform: rotateX(90deg);
        }
        
        .front,
        .bottom {
            position: absolute;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
        }
        
        .front {
            background-color: pink;
            z-index: 1;
            transform: translateZ(17.5px);
        }
        
        .bottom {
            background-color: purple;
            /* 這個x軸一定是負值 */
            /* 我們如果有移動 或者其他樣式，必須先寫我們的移動 */
            transform: translateY(17.5px) rotateX(-90deg);
        }
    </style>
</head>

<body>
    <ul>
        <li>
            <div class="box">
                <div class="front"></div>
                <div class="bottom"></div>
            </div>
        </li>
        <li>
            <div class="box">
                <div class="front"></div>
                <div class="bottom"></div>
            </div>
        </li>
        <li>
            <div class="box">
                <div class="front"></div>
                <div class="bottom"></div>
            </div>
        </li>
        <li>
            <div class="box">
                <div class="front"></div>
                <div class="bottom"></div>
            </div>
        </li>
        <li>
            <div class="box">
                <div class="front"></div>
                <div class="bottom"></div>
            </div>
        </li>
        <li>
            <div class="box">
                <div class="front"></div>
                <div class="bottom"></div>
            </div>
        </li>
    </ul>
</body>

</html>

旋轉木馬案例

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <style>
        body {
            perspective: 1000px;
        }
        
        section {
            position: relative;
            width: 300px;
            height: 200px;
            margin: 150px auto;
            transform-style: preserve-3d;
            /* 添加動畫效果 */
            animation: rotate 10s linear infinite;
            background: url(media/pig.jpg) no-repeat;
        }
        
        section:hover {
            /* 鼠標放入section 停止動畫 */
            animation-play-state: paused;
        }
        
        @keyframes rotate {
            0% {
                transform: rotateY(0);
            }
            100% {
                transform: rotateY(360deg);
            }
        }
        
        section div {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url(media/dog.jpg) no-repeat;
        }
        
        section div:nth-child(1) {
            transform: rotateY(0) translateZ(300px);
        }
        
        section div:nth-child(2) {
            /* 先旋轉好了再 移動距離 */
            transform: rotateY(60deg) translateZ(300px);
        }
        
        section div:nth-child(3) {
            /* 先旋轉好了再 移動距離 */
            transform: rotateY(120deg) translateZ(300px);
        }
        
        section div:nth-child(4) {
            /* 先旋轉好了再 移動距離 */
            transform: rotateY(180deg) translateZ(300px);
        }
        
        section div:nth-child(5) {
            /* 先旋轉好了再 移動距離 */
            transform: rotateY(240deg) translateZ(300px);
        }
        
        section div:nth-child(6) {
            /* 先旋轉好了再 移動距離 */
            transform: rotateY(300deg) translateZ(300px);
        }
    </style>
</head>

<body>
    <section>
        <div></div>
        <div></div>
        <div></div>
        <div></div>
        <div></div>
        <div></div>
    </section>
</body>

</html>

圖片：

三角形案例

旋轉中心點案例

圖片放大

分頁按鈕

熱點圖

奔跑的北極熊案例

翻轉盒子

3D導航欄案例

旋轉木馬案例

EXCEL中下拉菜單中添加新選項或者刪除選項

京東科技數字化營銷能力的演進與最佳實踐| 京東雲技術團隊

Python 爬蟲：Spring Boot 反爬蟲的成功案例

Java中止線程的方式

[轉帖]Oracle Exadata 學習筆記之核心特性Part1

《最新出爐》系列入門篇-Python+Playwright自動化測試-43-分頁測試

HTTP協議相關文檔

Mybatis的dao層實現原理

Spring簡介和配置

javaScript之本地存儲

toDoList開發實例

CSS3開發案例

https://yachay.unat.edu.pe/blog/index.php?comment_area=format_blog&comment_component=blog&comment_co

linux以太網驅動總結