动画案列之热点图
如图所示：显示如下功能：
代码如下：
<!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>
.map {
background-image: url(https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fn.sinaimg.cn%2Ftranslate%2F20171128%2FItfQ-fypathz6689301.jpg&refer=http%3A%2F%2Fn.sinaimg.cn&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=auto?sec=1650590963&t=9ff5b79072356b77673a7a13c41903ea);
background-repeat: no-repeat;
width: 700px;
height: 400px;
margin: 0 auto;
position: relative;
}
.city {
position: absolute;
top: 150px;
left: 260px;
color: red;
}
.gz {
top: 277px;
left: 245px;
}
.dotted {
width: 4px;
height: 4px;
background-color: #09f;
border-radius: 50%;
}
div[class *="pulse"] {
position: absolute;
top: 50%;
left: 50%;
/* 这个transform的使用很重要，因为此时移动top和left是没有用哪个的
top和left是相对左上角的移动 */
transform: translate(-50%, -50%);
width: 8px;
height: 8px;
/* 设置阴影 */
box-shadow: 0 0 12px #009dfd;
border-radius: 50%;
animation: pulse 1.5s linear infinite;
}
/* 因为有权重关系，所以这里加上important */
.pulse2 {
animation-delay: 0.4s !important;
}
.pulse3 {
animation-delay: 0.8s !important;
}
@keyframes pulse {
0% {
}
/* 不要用sacle 因为它会让阴影变大 */
70% {
width: 40px;
height: 40px;
opacity: 1;
}
100% {
width: 70px;
height: 70px;
opacity: 0;
}
}
</style>
</head>
<body>
<div class="map">
<div class="city">
<!-- 放一个小圆圈 放波纹 -->
<div class="dotted"></div>
<div class="pulse1"></div>
<div class="pulse2"></div>
<div class="pulse3"></div>
</div>
<div class="city gz">
<!-- 放一个小圆圈 放波纹 -->
<div class="dotted"></div>
<div class="pulse1"></div>
<div class="pulse2"></div>
<div class="pulse3"></div>
</div>
</div>
</body>
</html>
