Question

类似于淘宝那样的鼠标悬浮后可以放大图片的功能如何实现，

<script language="JavaScript">
<!--
var srcX = 1024; //原图大小,可以任意设置
var srcY = 768;
var bigX = 400; //预览窗大小,可以任意设置
var bigY = 400;
var smallX = 300; //缩略图宽度
var smallY = srcY * smallX / srcX;
var viewX = bigX / srcX * smallX; //预览范围
var viewY = bigY / srcY * smallY;
var bl = srcX / smallX;//缩小比例
var border = 1; //边框

function myshow()
{
document.getElementById('bigbox').style.display = "block";
}

function myhide()
{
document.getElementById('bigbox').style.display = "none";
}

window.onload=function (){

smallpic.width=smallX;
smallpic.height=smallY;
bigpic.width=srcX;
bigpic.height=srcY;
view.style.width=viewX;
view.style.height=viewY;
smallbox.style.borderWidth=border;
bigbox.style.borderWidth=border;
if (window.event){

smallbox.style.width=smallpic.offsetWidth+border*2;
smallbox.style.height=smallpic.offsetHeight+border*2;
bigbox.style.width=bigX+border*2;
bigbox.style.height=bigY+border*2;
}
else{
smallbox.style.width=smallpic.offsetWidth;
smallbox.style.height=smallpic.offsetHeight;
bigbox.style.width=bigX;
bigbox.style.height=bigY;
}
move(event);
}
function move(e){
var e = window.event?window.event:e;
var iebug = 0;

var vX = e.pageX - viewX/2 - smallbox.offsetLeft - border;
var vY = e.pageY - viewY/2 - smallbox.offsetTop - border;
iebug = 2;

if (vX < 0) vX = 0;
if (vY < 0) vY = 0;
if (vX > smallX - viewX - iebug) vX = smallX - viewX - iebug;
if (vY > smallY - viewY - iebug) vY = smallY - viewY - iebug;
bigpico.style.marginLeft = - vX * bl
bigpico.style.marginTop = - vY * bl
view.style.left = vX + smallbox.offsetLeft + border;
view.style.top = vY + smallbox.offsetTop + border;
}
//-->
</script>
<style type="text/css">
<!--
*{padding:0;margin:0}
img{display:block;}
#smallbox{border:1px #c33 solid;float:left;width:0;height:0;overflow:hidden}
#bigbox{border:1px #c33 solid;width:0px;height:0px;float:left;overflow:hidden}
#view{border:1px #ddd solid;width:0px;height:0px;position:absolute}
#head{text-align:center;line-height:40px;font:bold 16px/40px;color:red}
//-->
</style>
<div id="smallbox"><img id="smallpic" src="/image/2.jpg" border="0" onmousemove="move(event)" onmouseout=)"></div>
<div id="bigbox"><div id="bigpico"><img id="bigpic" src="/image/1.jpg" border="0"></div></div>
<a href="#" onmousemove="myshow()" onmouseout="myhide()"><div id="view" onmousemove="move(event)"></div></a>

这是网上找了然后自己改了一下的，但是貌似IE不兼容，FF可以。求高手指导怎么改？

Answer 1

上京东网，京东网也可以放大图片。