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准备好需要用到的图标。

新建html文档。

书写hmtl代码。

<div style="width:135px;height:156px;background:url(images/6_gumby11-initial-sprite.png) 0 0;" id="Div1"></div>

<div style="left:138px;top:40px;width:65px;height:102px;background:url(images/6_gumby11-initial-sprite.png) -270px 0;" id="Div2"></div>

<div style="left:196px;top:14px;width:67px;height:144px;background:url(images/6_gumby11-initial-sprite.png) -400px 0;z-index:90;" id="Div3"></div>

<div style="left:246px;top:-6px;width:98px;height:156px;background:url(images/6_gumby11-initial-sprite.png) -682px 0;" id="Div4"></div>

<div style="left:323px;top:50px;width:75px;height:108px;background:url(images/6_gumby11-initial-sprite.png) -534px 0;" id="Div5"></div>

书写css代码。

<style>

div{position:absolute;}

</style>

书写js代码。

<script language="javascript" >

window.onload = function () {

new animation({ element: "Div1", url: 'images/15_gumby11-blockheads.jpg', hover: function () { this.element.style.backgroundPositionX = '-135px'; }, blur: function () { this.element.style.backgroundPositionX = '0'; } });

new animation({ element: "Div2", url: 'images/16_gumby11-prickle.jpg', hover: function () { this.element.style.backgroundPositionX = '-335px'; }, blur: function () { this.element.style.backgroundPositionX = '-270px'; } });

new animation({ element: "Div3", url: 'images/17_gumby11-goo.png', hover: function () { this.element.style.backgroundPositionX = '-467px'; }, blur: function () { this.element.style.backgroundPositionX = '-400px'; } });

new animation({ element: "Div4", url: 'images/10_gumby11-gumby.jpg', hover: function () { this.element.style.backgroundPositionX = '-780px'; }, blur: function () { this.element.style.backgroundPositionX = '-682px'; } });

new animation({ element: "Div5", url: 'images/18_gumby11-pokey.png', hover: function () { this.element.style.backgroundPositionX = '-609px'; }, blur: function () { this.element.style.backgroundPositionX = '-534px'; } });

};

</script>

书写animationjs代码

<script>

function animation(options) {

    var defaultOptions = { element: "", url: "", speed: 11, hover: function () { }, blur: function () { } };

    this.init(options, defaultOptions);

};

animation.prototype = {

    init: function (o1, o2) {

        var me = this;

        for (var p in o2) {

            me[p] = o1[p] || o2[p];

        }

        me.element = document.getElementById(me.element);

        me.delay = 1000 / me.speed;

        me.step = 0;

        me.defaultBackground = me.element.style.background;

        me.defalutUrl = me.element.style.backgroundImage;

        me.url = me.url || me.defalutUrl;

        me.width = me.element.clientWidth;

        me.height = me.element.clientHeight;

        var img = new Image();

        img.onload = function () {

            me.cols = parseInt(img.width / me.width);

            me.rows = parseInt(img.height / me.height);

            me.frames = me.cols * me.rows;

            me.element.onclick = function () {

                me.play();

            };

            me.element.onmouseover = function () {

                me.onhover();

            };

            me.element.onmouseout = function () {

                me.onblur();

            };

        };

        img.src = me.url;

    }

, play: function () {

    if (this.playing) {

        return;

    }

    this.playing = true;

    this.next();

},

    onhover: function () {

        if (!this.playing) {

            this.hover();

        }

    },

    onblur: function () {

        if (!this.playing) {

            this.blur();

        }

    },

    next: function () {

        var me = this;

        me.step++;

        if (me.step > me.frames) {

            me.stop();

            return;

        }

        var x = me.step % me.cols;

        var y = parseInt(me.step / me.rows);

        if (me.step % me.rows > 0) {

            y++;

        }

        var position = "-" + (x - 1) * me.width + "px -" + (y - 1) * me.height + "px";

        me.element.style.background = "url(" + me.url + ") " + position;

        setTimeout(function () { me.next(); }, me.delay);

    },

    stop: function () {

        var me = this;

        me.step = 0;

        me.playing = false;

        me.element.style.background = me.defaultBackground;

    } 

};

</script>

代码整体结构。

查看效果。