<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
<style>
*{
margin: 0;
padding: 0;
}
.div1, .div2 {
width: 430px;
height: 430px;
float: left;
cursor:crosshair;
}
.div1 img{
width: 430px;
height: 430px;
}
.div2{
position: relative;
overflow: hidden;
display: none;
margin-left: 10px;
}
.div2 img{
width: 800px;
height: 800px;
position: absolute;
}
.div3, .div4, .div5, .div6 {
width: 60px;
height: 60px;
float: left;
margin-left: 33px;
}
#small img:hover{
cursor: pointer;
border: 3px solid #21bbca;
}
#div1-1{
width: 230px;
height: 230px;
border: 1px solid red;
position: absolute;
background-image: url("21_03.png");
top: 0;
left: 0;
opacity: 0.5;
display: none;
}
</style>
</head>
<body>
<div>
<div id="big" style="overflow: hidden;">
<div class="div1">
<img id="bimg" src="imgA_2.jpg" alt=""/>
<div id="div1-1"></div>
</div>
<div class="div2"><img id="rig" src="imgA_3.jpg" alt=""/></div>
</div>
<div id="small" >
<div class="div3"><img src="imgA_1.jpg" alt=""/></div>
<div class="div4"><img src="imgB_1.jpg" alt=""/></div>
<div class="div5"><img src="imgC_1.jpg" alt=""/></div>
<div class="div6"><img src="imgD_1.jpg" alt=""/></div>
</div>
</div>
样式效果

 
<script>
    function getChildNodes(b){
        var arr=[];
        for(var i=0;i< b.childNodes.length;i++){
            if(!(b.childNodes[i].nodeType ==3 && b.childNodes[i].nodeValue.trim() =="")){
                arr.push(b.childNodes[i]);
            }
        }
        return arr;
    }
    var small =getChildNodes(document.getElementById("small"));
    var big = getChildNodes(document.getElementById("big"));
    var rig=document.getElementById("rig");
    var bimg = document.getElementById("bimg");
    var divnie=document.getElementById("div1-1");
    var arr = ["imgA_2.jpg", "imgB_2.jpg", "imgC_2.jpg", "imgD_2.jpg"];
    var brr = ["imgA_3.jpg", "imgB_3.jpg", "imgC_3.jpg", "imgD_3.jpg"];

    for(var i=0;i<arr.length;i++){
        !function(i){
            small[i].onmouseover=function(){
                bimg.src=arr[i];
                rig.src=brr[i];
            }
        }(i);
    }
        function move(ev){
            ev = ev || window.event;
            var ox = ev.clientX-divnie.offsetWidth/2;
            var oy = ev.clientY-divnie.offsetHeight/2;
            if(ox<0){ox=0;}
            else if(ox>big[0].offsetWidth-divnie.offsetWidth){
                ox=big[0].offsetWidth-divnie.offsetWidth;}
            if(oy<0){oy=0;}
            else if(oy>big[0].offsetWidth-divnie.offsetWidth){
                oy=big[0].offsetHeight-divnie.offsetHeight;}
            divnie.style.left = ox+"px";
            divnie.style.top = oy+"px";
            console.log(divnie.style.left);
            var bei = big[1].clientWidth/divnie.clientWidth;
            rig.style.left =-bei*ox+"px";
            rig.style.top  =-bei*oy+"px";
        }
        //隐藏放大镜移动
        big[0].onmousemove=move;
        big[0].onmouseover=function(){
            //隐藏图片显示
            //隐藏放大镜显示
            big[1].style.display="block";
            divnie.style.display="block";
            move();
        };
        //鼠标移除显示
        big[0].onmouseout=function(){
            big[1].style.display="none";
            divnie.style.display="none";
        };

</script>

交互效果


posted on 2015-09-13 21:10  低调活,高调唱  阅读(128)  评论(0编辑  收藏  举报