放大镜的实现
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
| <!DOCTYPE html>
<html lang="zh">
<head>
<meta charset="UTF-8">
<title>Document</title>
<script src="https://cdn.staticfile.org/jquery/1.10.2/jquery.min.js"></script>
<style type="text/css">
*{margin:0px;
padding:0px;}
.img{
width: 350px;
height: 350px;
border: 1px solid #ccc;
margin: 0px;
position: absolute;
cursor:move;
left: 500px;
}
.bimg{
position: absolute;
top: -1px;
left: 360px;
border: 1px solid #ccc;
width: 350px;
height: 350px;
overflow: hidden;
display: none;
}
#move{
position: absolute;
width: 100px;
height: 100px;
background-color: rgba(8,152,202,0.2);
top: 0px;
left: 0px;
display: none;
}
.simg{
width: 350px;
height: 350px;
}
.bimg>img{
position: absolute;
left: 0px;
top: 0px;
}
</style>
</head>
<body>
<div class="img">
<div class="simg"><!--小图片-->
<img src="/home/zhangjie/图片/miojk(复件).jpg" style="width:350px;height:350px;" />
<div id="move"></div><!--放大区域-->
</div>
<div class="bimg"><!--大图片-->
<img src="/home/zhangjie/图片/miojk.jpg" style="width:1225px ;height: 1225px;" />
</div>
</div>
<script>
$(document).ready(function(){
//鼠标移动到图片显示，移除隐藏
$(".img").hover(function(){
$(".bimg").css("display","block");
$("#move").css("display","block");
},function(){
$(".bimg").css("display","none");
$("#move").css("display","none");
});
//放大区域移动，大图片移动
$(".img").mousemove(function(event){
var x = event.pageX;
var y = event.pageY;
var nx = x - $(".img").offset().left-$("#move").width()/2;
var ny = y - $(".img").offset().top-$("#move").height()/2;
if(nx < 0){
nx = 0;
}
if(nx > $(".img").width()-$("#move").width()){
nx = $(".img").width()-$("#move").width();
}
if(ny < 0){
ny = 0;
}
if(ny > $(".img").height()-$("#move").height()){
ny = $(".img").height()-$("#move").height();
}
$("#move").css({
left:nx+"px",
top:ny+"px"
});
$(".bimg>img").css({
left:-nx*$(".bimg").width()/$("#move").width()+"px",
top:-ny*$(".bimg").height()/$("#move").height()+"px"
});
})
});
</script>
</body>
</html>
|