实现效果
实现思路
- 圆弧，通过两个内外嵌套的圆构建（
loading-border&loading-content） - 使用背景渐变色实现拖尾效果（:after - 在元素后面添加内容）
- 拖尾最前方的圆形是通过圆圈定位到固定位置实现的（:before - 构建伪元素，在元素前面添加内容）
实现代码
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
.container {
width: 100%;
height: 100vh;
display: flex;
align-items: center;
justify-content: center;
margin-top: 100px;
}
.loading {
width: 100px;
height: 100px;
border-radius: 50%;
position: relative;
overflow: hidden;
padding: 10px;
}
.loading-content {
width: 100%;
height: 100%;
background-color: #fff;
position: relative;
z-index: 9;
border-radius: 50%;
}
.loading-border {
width: 100%;
height: 100%;
position: absolute;
top: 0;
left: 0;
z-index: 1;
border-radius: 50%;
background-color: #f0f1f6;
}
.loading-mask {
width: 100%;
height: 100%;
position: absolute;
top: 0;
left: 0;
z-index: 2;
animation: rotate 2s linear infinite;
/* -moz-animation: Firefox; */
/* -webkit-animation: Safari & Chrome; */
/* -o-animation: Opera; */
}
.loading-mask::before {
content: '';
display: block;
position: absolute;
width: 10px;
height: 10px;
background-color: #6c8de5;
left: calc(50% - 5px);
bottom: 0;
border-radius: 50%;
}
.loading-mask::after {
content: '';
display: block;
position: absolute;
background-image: linear-gradient(45deg, #6c8de5, #f0f1f6);
width: 50%;
height: 60%;
bottom: 0%;
left: 50%;
}
@keyframes rotate {
from {
transform: rotate(0);
}
to {
transform: rotate(360deg);
}
}
/* @-moz-keyframes */
/* @-webkit-keyframes */
/* @-o-keyframes */
</style>
</head>
<body>
<div class="container">
<div class="loading">
<div class="loading-mask"></div>
<div class="loading-border"></div>
<div class="loading-content"></div>
</div>
</div>
</body>
</html>
