先上效果图：
代码：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Document</title>
<style>
.warn_box {
width: 60px;
height: 60px;
position: relative;
margin: 100px auto;
}
.warn_box .dot {
position: absolute;
width: 23px;
height: 23px;
left: 50%;
top: 50%;
transform: translate(-50%, -50%);
}
.warn_box .dot img {
width: 100%;
height: 100%;
}
.warn_box .pulse {
background: rgba(252, 0, 0, 0.7) !important;
-webkit-animation: warn 0.9s ease-out;
-moz-animation: warn 0.9s ease-out;
animation: warn 0.9s ease-out;
-webkit-animation-iteration-count: infinite;
-moz-animation-iteration-count: infinite;
animation-iteration-count: infinite;
box-shadow: 1px 1px 30px #f00;
width: 100%;
height: 100%;
box-sizing: border-box;
border: 2px solid #d13613;
background: rgba(252, 0, 0, 0.9);
border-radius: 50%;
z-index: 100;
opacity: 0;
}
.warn_list {
box-sizing: border-box;
width: 300px;
height: 0;
overflow: auto;
background: #271938;
border-radius: 10px;
position: absolute;
top: 60px;
right: 0px;
transition: height 0.3s;
display: flex;
flex-direction: column;
align-items: center;
padding: 0 10px;
}
.warn_list .every_info {
width: 95%;
line-height: 25px;
padding: 10px 5px 40px 5px;
border: 1px solid #1e81fc;
margin-top: 10px;
border-radius: 5px;
position: relative;
}
.warn_list .every_info .content {
color: #fd513e;
}
.warn_list .every_info .date {
position: absolute;
right: 5px;
bottom: 5px;
font-size: 14px;
color: #fff;
}
.warn_box:hover .warn_list {
width: 300px;
height: 400px;
}
@keyframes warn {
0% {
-o-transform: scale(0);
transform: scale(0);
opacity: 1;
}
100% {
-o-transform: scale(1);
transform: scale(1);
opacity: 0;
}
}
</style>
</head>
<body>
<div class="warn_box" v-if="warnData.length">
<div class="dot">
<img src="./warn.gif" alt="" />
</div>
<div class="pulse"></div>
<div class="warn_list">
<div class="every_info">
<span class="content">告警信息</span>
<span class="date">2024.3.11</span>
</div>
</div>
</div>
</body>
</html>
warn.gif图片
