时间:2021-07-01 10:21:17 帮助过:4人阅读
- <!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>鼠标滚轮控制图片缩放</title>
- <script type="text/javascript" src="jquery-1.7.2.min.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.jpg"/>
- </center>
- </body>
- </html>
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