JS实现图片放大查看

示例:https://wumaozheng.com/static-pages/image-magnifier.html

 

 1 <!DOCTYPE html>
 2 <html>
 3 <head>
 4     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
 5     <title>Image</title>
 6     <script language="javascript" src="https://cdn.bootcss.com/jquery/1.11.0/jquery.min.js"></script>
 7     <script language="javascript">
 8     $(function() {
 9         var offsetX = 20 - $("#imgtest").offset().left;
10         var offsetY = 20 - $("#imgtest").offset().top;
11         var size = 1.2 * $('#imgtest ul li img').width();
12         $("#imgtest ul li").mouseover(function(event) {
13             var $target = $(event.target); 
14             if ($target.is('img')) { 
15                 $("<img id='tip' src='" + $target.attr("src") + "'>").css({
16                     "height": size,
17                     "width": size,
18                     "top": event.pageX + offsetX,
19                     "left": event.pageY + offsetY,
20                 }).appendTo($("#imgtest"));
21             }
22         }).mouseout(function() {
23             $("#tip").remove();
24         }).mousemove(function(event) {
25             $("#tip").css({
26                 "left": event.pageX + offsetX,
27                 "top": event.pageY + offsetY
28             });
29         });
30     })
31     </script>
32     <style type="text/css"> 
33     img {
34         cursor: pointer;
35         height: 368px;
36         width: 368px;
37         position: absolute;
38     } 
39     #imgtest {
40         height: auto;
41         width: auto;
42         margin: 30px 60px 0px 60px;
43         position: absolute;
44     } 
45     #imgtest ul {
46         position: relative;
47         width: auto;
48         height: auto;
49         background: #00F;
50     } 
51     #imgtest ul li {
52         position: relative;
53         height: 378px;
54         width: 378px;
55         list-style: none;
56         float: left;
57         margin: 3px;
58     }
59     </style>
60 </head>
61 <body>
62     <div id="imgtest">
63         <ul>
64             <li><img src="http://inbmi.com/image/vp/1f029f78c164f4a9723d9af43fd2febe/5B800E3E/t51.2885-15/e35/31136663_1649816651776613_694881964250890240_n.jpg" /></li> 
65             <li><img src="http://inbmi.com/image/vp/4c9e38ab5c5d52eb30f671934dcb35bc/5B9AAD80/t51.2885-15/e35/31270267_220885218674663_609168203867750400_n.jpg" /></li> 
66             <li><img src="http://inbmi.com/image/vp/eba5901d056b5c740d6b671c66ac0137/5B77C34C/t51.2885-15/e35/31364150_1665566736868399_5092204927984336896_n.jpg" /></li> 
67             <li><img src="http://inbmi.com/image/vp/c82844d3912e0c9685b8a0f79f01caea/5B88819E/t51.2885-15/e35/31490408_366139313900670_1486728493155745792_n.jpg" /></li> 
68             <li><img src="http://inbmi.com/image/vp/4224804abad8cfbb4da15f8c2363dcae/5B8275CC/t51.2885-15/e35/30920518_160809141256123_1097812066267299840_n.jpg" /></li> 
69             <li><img src="http://inbmi.com/image/vp/4f90f49ec34f1adaed77e9cb92c7cccc/5B9D254E/t51.2885-15/e35/30591652_1850590825241799_3543379466950541312_n.jpg" /></li> 
70         </ul>
71     </div>
72 </body>
73 </html>

 

posted @ 2018-05-10 01:28  梦飞扬~  阅读(1045)  评论(0编辑  收藏  举报