图片放大镜效果，供大家参考，具体内容如下
一难点：不让黄盒子出界
二难点：让大盒子相应移动（比例）
<html lang="en">
<head>
<meta charset="UTF-8">
<title>我的放大镜</title>
<style>
*{
margin: 0;
padding: 0;
}
.box{
margin: 100px;
position: relative;
}
.small{
width: 350px;
height: 350px;
border: 1px solid #999;
position: relative;
}
.select{
display: none;
width: 100px;
height: 100px;
background: rgba(255,255,0,0.4);
position: absolute;
left: 0;
top: 0;
cursor: move;
}
.big{
display: none;
position: absolute;
left: 360px;
top: 0;
width: 450px;
height: 450px;
border: 1px solid #ccc;
overflow: hidden;
}
.big img{
position: absolute;
left: 0;
top: 0;
}
</style>
</head>
<body>
<div class="box">
<div class="small" id="smallbox">
<img src="/UploadFiles/2021-04-02/001.jpg">
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。