<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<script type="text/javascript" src="jquery-1.6.2.js"></script>
<script type="text/javascript">
$(function(){
function zoomImg(o) {
var zoom = parseInt(o.style.zoom, 10) || 100;
zoom += event.wheelDelta / 2; //可适合修改
if (zoom > 0)
o.style.zoom = zoom + '%';
}
$(document).ready(function() {
$("img").bind("mousewheel", function() {
zoomImg(this);
return false;
});
});
})
</script>
</head>
<body>
<center>
<img src="1 (1).jpg"/>
</center>
</body>
</html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<script type="text/javascript" src="jquery-1.6.2.js"></script>
<script type="text/javascript">
$(function(){
function zoomImg(o) {
var zoom = parseInt(o.style.zoom, 10) || 100;
zoom += event.wheelDelta / 2; //可适合修改
if (zoom > 0)
o.style.zoom = zoom + '%';
}
$(document).ready(function() {
$("img").bind("mousewheel", function() {
zoomImg(this);
return false;
});
});
})
</script>
</head>
<body>
<center>
<img src="1 (1).jpg"/>
</center>
</body>
</html>
本文介绍如何使用jQuery库实现网页图片的鼠标滚轮缩放功能,提供了一个简单的事件监听器,使得用户可以通过滚动鼠标滚轮来调整图片大小。
1305

被折叠的 条评论
为什么被折叠?



