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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>用固定定位实现qq客服效果</title>
<style>
body{
height:2000px;
}
div{
position: fixed;
right: 0;
top:300px;
}
</style>
</head>
<body>
<div><img src="static/images/qq.jpg" alt=""></div>
</body>
</html>点击 "运行实例" 按钮查看在线实例