<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<style>
ul{
list-style: none;
padding: 0;
}
.zoom-box{
width: 452px;
position: relative;
}
.small-box{
position: relative;
border: 1px solid#ccc;
}
.small-box img{
width: 100%;
height: 100%;
}
.small-box .square{
position: absolute;
left: 0;
top: 0;
background: yellow;
opacity: 0.5;
}
.small-box .mask{
width: 100%;
height: 100%;
position: absolute;
top: 0;
left: 0;
}
.img-list ul::after{
clear: both;
content:'';
display: table;
}
.img-list ul li{
float: left;
margin: 0 10px;
padding: 6px;
}
.img-list img{
border: 2px solid transparent;
}
.img-list img.active{
border: 2px solid red;
}
.big-box{
position: absolute;
top: 0;
left: 100%;
margin-left: 2px;
border: 1px solid#cccccc;
width: 500px;
height: 500px;
overflow: hidden;
display: none;
}
.big-box img{
position: absolute;
top: 0;
left: 0;
}
</style>
</head>
<body>
<!-- 布局-->
<div><!-- 容器-->
<div><!-- 小图片容器-->
<img src="../img/magnifier/m1.jpg"alt=""/>
<div></div><!-- 鼠标选中框-->
<div></div><!-- 鼠标悬浮位置-->
</div>
<div><!-- 图片列表-->
<ul>
<li><img src="../img/magnifier/s1.jpg"alt=""data-small="../img/magnifier/m1.jpg"
data-big="../img/magnifier/b1.jpg"/></li>
<li><img src="../img/magnifier/s2.jpg"alt=""data-small="../img/magnifier/m2.jpg"
data-big="../img/magnifier/b2.jpg"/></li>
<li><img src="../img/magnifier/s3.jpg"alt=""data-small="../img/magnifier/m3.jpg"
data-big="../img/magnifier/b3.jpg"/></li>
<li><img src="../img/magnifier/s4.jpg"alt=""data-small="../img/magnifier/m4.jpg"
data-big="../img/magnifier/b4.jpg"/></li>
<li><img src="../img/magnifier/s5.jpg"alt=""data-small="../img/magnifier/m5.jpg"
data-big="../img/magnifier/b5.jpg"/></li>
</ul>
</div>
<div><!-- 放大镜-->
<img src="../img/magnifier/b1.jpg"alt=""/>
</div>
</div>
<script>
varsmallbox = $('.small-box .mask');
varsmallimg = $('.small-box img');
varsquare = $('.square');
varbigbox = $('.big-box');
varbigimg = $('.big-box img');
varimgs = $all('.img-list img');
for(vari = 0; i < imgs.length; i++){
imgs[i].onmouseover =function(){
for(varj = 0; j < imgs.length; j++){
imgs[j].className ='';
}
this.className ='active';
smallimg.src =this.getAttribute('data-small');
bigimg.src =this.getAttribute('data-big');
};
}
smallbox.onmouseover =function(){
square.style.display ='block';
bigbox.style.display ='block';
square.style.width = bigbox.offsetWidth * smallimg.offsetWidth/bigimg.offsetWidth +'px';
square.style.height = bigbox.offsetHeight * smallimg.offsetHeight/bigimg.offsetHeight +'px';
};
smallbox.onmouseout =function(){
square.style.display ='none';
bigbox.style.display ='none';
};
smallbox.onmousemove =function(ev){
varoEvent = ev || event;
varx = oEvent.offsetX - square.offsetWidth/2;
vary = oEvent.offsetY - square.offsetHeight/2;
if(x < 0){
x = 0;
}
if(x > smallbox.offsetWidth - square.offsetWidth){
x = smallbox.offsetWidth - square.offsetWidth;
}
if(y < 0){
y = 0;
}
if(y > smallbox.offsetHeight - square.offsetHeight){
y = smallbox.offsetHeight - square.offsetHeight;
}
square.style.left = x +'px';
square.style.top = y +'px';
bigimg.style.top = -y * bigimg.offsetWidth/smallimg.offsetWidth +'px';
bigimg.style.left = -x * bigimg.offsetHeight/smallimg.offsetHeight +'px';
};
function$(name){
returndocument.querySelector(name);
}
function$all(name){
returndocument.querySelectorAll(name);
}
</script>
</body>
</html>
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