<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        *{
            margin:0;
            padding:0;
        }
        .box{
            margin:0 auto;
            width: 600px;
            height: 436px;
            overflow: hidden;
            position: relative;
        }
        .box img{
            position: absolute;
            top:0;
            left:0;
            cursor: pointer;
        }
        .box img:nth-child(2){
            left: 100px;
        }
        .box img:nth-child(3){
            left: 200px;
        }
        .box img:nth-child(4){
            left: 300px;
        }
        .box img:nth-child(5){
            left: 400px;
        }
        .box img:nth-child(6){
            left: 500px;
        }
        .compare{
            width: 370px;
            height: 436px;
            background: url("imasges/chanpin_image03.jpg");
            position: relative;
            margin-left: 100px;
        }
        .up{
            width: 20px;
            height: 436px;
            background: rgba(230,230,200,0.2);
            border-left: 3px #000 solid;
            box-shadow:5px 5px 5px rgba(0, 0, 0, 0.6);
            margin-bottom: 20px;
            position: absolute;
            top:0;
            right:0;
        }
        .box2{
            width:1100px;
            margin: 0 auto;
        }
    </style>
    <script src="js/jquery-1.12.4.min.js"></script>
    <script>
        $(function () {
            $('.box img').mouseenter(function () {
                var index = $(this).index();
                $('.box img').each(function (i,el) {
                    if(i<=index){
                        $(el).stop(true).animate({
                            'left':(i*48)+'px'
                        },600)
                    }else if(i>index){
                        $(el).stop(true).animate({
                            'left':((i-1)*48+360)+'px'
                        },600)
                    }
                })
            }).mouseleave(function () {
                $('.box img').each(function (i,el) {
                    $(el).stop(true).animate({
                        'left':i*100+'px'
                    },100)
                })
            });
            // mask  蒙版
            $('.compare').mouseenter(function () {
                $(this).mousemove(function (event) {
                    event=event||window.event;
                    $('.up').css('width',(parseFloat($('.box2').css('margin-left'))+parseFloat($('.compare').css('margin-left'))+370)-event.pageX);
                })
            }).mouseleave(function () {
                $('.up').css('width','20px');
            })
        })
    </script>
</head>
<body>
    <div class="box">
        <img src="imasges/chanpin_image01.jpg" width="360px"/>
        <img src="imasges/chanpin_image02.jpg" width="360px"/>
        <img src="imasges/chanpin_image03.jpg" width="360px"/>
        <img src="imasges/chanpin_image04.jpg" width="360px"/>
        <img src="imasges/chanpin_image05.jpg" width="360px"/>
        <img src="imasges/chanpin_image06.jpg" width="360px"/>
    </div>
    <div class="box2">
        <div class="compare">
            <div class="up"></div>
        </div>
    </div>
</body>
</html>