新增第124个小实例：丝滑切换的loading加载动画

2022-03-16 17:25:05 +08:00 · 2022-03-16 17:25:05 +08:00 · 7fca577228
parent 22f0751a31
commit 7fca577228
3 changed files with 103 additions and 1 deletions
--- a/README.md
+++ b/README.md
@ -127,4 +127,5 @@
 120. HTML5+CSS3+JS小实例：阿里云盘的侧边导航栏
 121. HTML5+CSS3小实例：飞行的钢铁侠loading加载动画
 122. HTML5+CSS3小实例：高光立体壁画式卡片悬停特效
-123. HTML5+CSS3+Vue小实例：3D圆点波浪动画特效
+123. HTML5+CSS3+Vue小实例：3D圆点波浪动画特效
+124. HTML5+CSS3小实例：丝滑切换的loading加载动画
--- a/code/124/124.css
+++ b/code/124/124.css
@ -0,0 +1,82 @@
+*{
+    margin: 0;
+    padding: 0;
+}
+body{
+    height: 100vh;
+    /* 弹性布局 居中 */
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    background-color: #444;
+}
+.loader{
+    /* 禁止选取 */
+    user-select: none;
+}
+.loader .spinner{
+    position: relative;
+    width: 160px;
+    height: 160px;
+}
+.loader .spinner::before,
+.loader .spinner::after{
+    content: "";
+    position: absolute;
+}
+/* 图形 */
+.loader .spinner::before{
+    width: 100%;
+    height: 100%;
+    background-color: #a08fd5;
+    /* 执行动画：动画名 时长 贝塞尔曲线 无限次播放 */
+    animation: spinner 2.5s cubic-bezier(0.75,0,0.5,1) infinite;
+}
+/* 投影 */
+.loader .spinner::after{
+    width: 100%;
+    height: 4px;
+    border-radius: 50%;
+    background-color: #333;
+    bottom: -40px;
+    animation: shadow 2.5s cubic-bezier(0.75,0,0.5,1) infinite;
+}
+/* loading文字 */
+.loader .text{
+    position: absolute;
+    top: 50%;
+    left: 50%;
+    transform: translate(-50%,-50%);
+    color: #fff;
+    font-size: 32px;
+    text-transform: uppercase;
+    font-weight: 100;
+    animation: text 2.5s cubic-bezier(0.75,0,0.5,1) infinite;
+}
+
+/* 定义动画 */
+@keyframes spinner {
+    50%{
+        border-radius: 50%;
+        background-color: #f5e866;
+        transform: rotate(360deg) scale(0.5);
+    }
+    100%{
+        background-color: #a08fd5;
+        transform: rotate(720deg);
+    }
+}
+@keyframes shadow {
+    50%{
+        transform: scale(0.5);
+    }
+}
+@keyframes text {
+    0%,100%{
+        transform: translate(-50%,-50%) scale(1,1);
+    }
+    50%{
+        transform: translate(-50%,-50%) scale(0.5,0.5);
+        color: #000;
+    }
+}
--- a/code/124/124.html
+++ b/code/124/124.html
@ -0,0 +1,19 @@
+<!DOCTYPE html>
+<html>
+
+<head>
+    <meta http-equiv="content-type" content="text/html; charset=utf-8">
+    <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1,user-scalable=no">
+
+    <title>丝滑切换的loading加载动画</title>
+    <link rel="stylesheet" href="124.css">
+</head>
+
+<body>
+    <div class="loader">
+        <div class="spinner"></div>
+        <div class="text">loading</div>
+    </div>
+</body>
+
+</html>