<!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>JQ图片预览</title>
<!-- JQuery CDN(失效自行更换引入) -->
<script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.6.4/jquery.min.js"></script>
<!-- 样式 -->
<style >
.small {
width: 150px;
height: 150px;
}
.big {
width: 100vw;
height: 100vh;
background: rgba(0, 0, 0, .6);
position: fixed;
top: 0;
left: 0;
z-index: 1;
display: none;
}
.big_img {
width: auto;
height: auto;
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
z-index: 2;
}
</style>
<!-- END -->
</head>
<body>
<!-- 小图 -->
<img class="small" src="https://img2.baidu.com/it/u=1361506290,4036378790&fm=253&fmt=auto&app=138&f=JPEG?w=800&h=500">
<img class="small" src="https://img1.baidu.com/it/u=3605832793,3252065221&fm=253&fmt=auto&app=120&f=JPEG?w=800&h=1422">
<!-- END -->
<!-- 大图div -->
<div class="big">
<img class="big_img" src="">
</div>
<!-- END -->
<script>
// 小图点击放大
$("img").click(function() {
// 获取当前点击小图的src
let imgSrc = $(this).attr("src");
// 将获取到的src赋值到大图显示区域img的src里
$(".big_img").attr("src", imgSrc);
// 显示大图区域
$(".big").show();
})
// 隐藏大图显示区域
$(".big").click(function() {
$(this).hide();
})
</script>
</body>
</html>标签：jQuery,src,预览,img,big,50%,height,全屏,大图 From： https://www.cnblogs.com/dlx609/p/17603436.html