使用javascript实现图片3D轮播效果

html代码：

<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<title>js实现3D图片逐张轮播幻灯片</title>

</head>

<body>

<style>

ul#bcty365_nav{padding-left:50px; margin-bottom:10px; border-bottom:2px solid #ccc; overflow:hidden; _zoom:1;}

ul#bcty365_nav li{float:left; display:inline; margin:10px;}

ul#bcty365_nav li a{display:block;color:#000000; font-size:16px;}

ul#bcty365_nav li a,#wimoban_p,#wimoban_p a{ font-family:"微软雅黑";}

ul#bcty365_nav li a:hover,#wimoban_p a:hover{color:red;}

</style>

<style type="text/css">

*{margin:0;padding:0;list-style-type:none;}

a,img{border:0;}

body{font:12px/180% Arial, Helvetica, sans-serif,"新宋体";}

/* focus_Box */

#focus_Box{position:relative;width:710px;height:500px;margin:20px auto;}

#focus_Box ul{position:relative;width:710px;height:500px}

#focus_Box li{z-index:0;position:absolute; width:0px;background:#787878;height:0px;top:146px;cursor:pointer;left:377px;border-radius:4px;box-shadow:1px 1px 12px rgba(200, 200, 200, 1)}

#focus_Box li img{width:100%;background:url(../img/3D轮播效果/loading.gif) no-repeat center 50%;height:100%;vertical-align:top}

#focus_Box li p{position:absolute;left:0;bottom:0px;width:100%;height:40px;line-height:40px;background:url(images/float-bg.png) repeat;text-indent:8px;color:#fff;}

#focus_Box li p span{display:inline-block;width:70%;height:40px;overflow:hidden;}

#focus_Box .prev,#focus_Box .next{display:block;z-index:100;overflow:hidden;cursor:pointer;position:absolute;width:52px;height:52px;top:131px;}

/*#focus_Box .prev{background:url(../img/3D轮播效果/btn.png) left bottom no-repeat;left:0px}

#focus_Box .next{background:url(../img/3D轮播效果/btn.png) right bottom no-repeat;right:0px} */

#focus_Box .prev:hover{background-position:left top;}

#focus_Box .next:hover{background-position:right top;}

/*#focus_Box a.imgs-scroll-btn{display:block;position:absolute;z-index:110;top:7px;right:15px;width:51px;height:23px;overflow:hidden;background:url(images/share-btn.png) no-repeat;text-indent:-999px;}*/

</style>

<script src="../js/3D轮播效果/ZoomPic.js"></script>

<div id="focus_Box">

<span class="prev"> </span>

<span class="next"> </span>

<ul>

<li>

<a href="#" ><img width="600" height="450" src="../img/3D轮播效果/cat1.jpg" /></a>

</li>

<li>

<a href="#" ><img width="600" height="450" src="../img/3D轮播效果/cat2.jpg" /></a>

</li>

<li>

<a href="#" ><img width="600" height="450" src="../img/3D轮播效果/cat3.jpg" /></a>

</li>

<li>

<a href="#" ><img width="600" height="450" src="../img/3D轮播效果/cat4.jpg" /></a>

</li>

<li>

<a href="#" ><img width="600" height="450" src="../img/3D轮播效果/cat5.jpg" /></a>

</li>

</ul>

</div>

<div style="text-align:center;clear:both">

</div>

</body>

</html>

js代码：

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function ZoomPic ()

{

this.initialize.apply(this, arguments)

}

ZoomPic.prototype =

{

initialize : function (id)

{

var _this = this;

this.wrap = typeof id === "string" ? document.getElementById(id) : id;

this.oUl = this.wrap.getElementsByTagName("ul")[0];

this.aLi = this.wrap.getElementsByTagName("li");

this.prev = this.wrap.getElementsByTagName("span")[0];

this.next = this.wrap.getElementsByTagName("span")[1];

this.timer = 1000;

this.aSort = [];

this.iCenter = 2;

this._doPrev = function () {return _this.doPrev.apply(_this)};

this._doNext = function () {return _this.doNext.apply(_this)};

this.options = [

/*{width:476, height:210, top:40, left:0, zIndex:1},

{width:426, height:250, top:20, left:50, zIndex:2},

{width:654, height:290, top:0, left:150, zIndex:3},

{width:426, height:250, top:20, left:480, zIndex:2},

{width:476, height:210, top:40, left:476, zIndex:1},*/

{width:365, height:252, top:40, left:0, zIndex:1},

{width:405, height:280, top:20, left:60, zIndex:2},

{width:445, height:308, top:0, left:130, zIndex:3},

{width:405, height:280, top:20, left:240, zIndex:2},

{width:366, height:252, top:40, left:345, zIndex:1},

];

for (var i = 0; i < this.aLi.length; i++) this.aSort[i] = this.aLi[i];

this.aSort.unshift(this.aSort.pop());

this.setUp();

this.addEvent(this.prev, "click", this._doPrev);

this.addEvent(this.next, "click", this._doNext);

this.doImgClick();

this.timer = setInterval(function ()

{

_this.doNext()

}, 3000);

this.wrap.onmouseover = function ()

{

clearInterval(_this.timer)

};

this.wrap.onmouseout = function ()

{

_this.timer = setInterval(function ()

{

_this.doNext()

}, 3000);

}

},

doPrev : function ()

{

this.aSort.unshift(this.aSort.pop());

this.setUp()

},

doNext : function ()

{

this.aSort.push(this.aSort.shift());

this.setUp()

},

doImgClick : function ()

{

var _this = this;

for (var i = 0; i < this.aSort.length; i++)

{

this.aSort[i].onclick = function ()

{

if (this.index > _this.iCenter)

{

for (var i = 0; i < this.index - _this.iCenter; i++) _this.aSort.push(_this.aSort.shift());

_this.setUp()

}

else if(this.index < _this.iCenter)

{

for (var i = 0; i < _this.iCenter - this.index; i++) _this.aSort.unshift(_this.aSort.pop());

_this.setUp()

}

},

setUp : function ()

{

var _this = this;

var i = 0;

for (i = 0; i < this.aSort.length; i++) this.oUl.appendChild(this.aSort[i]);

for (i = 0; i < this.aSort.length; i++)

{

this.aSort[i].index = i;

if (i < 5)

{

this.css(this.aSort[i], "display", "block");

this.doMove(this.aSort[i], this.options[i], function ()

{

_this.doMove(_this.aSort[_this.iCenter].getElementsByTagName("img")[0], {opacity:100}, function ()

{

_this.doMove(_this.aSort[_this.iCenter].getElementsByTagName("img")[0], {opacity:100}, function ()

{

_this.aSort[_this.iCenter].onmouseover = function ()

{

_this.doMove(this.getElementsByTagName("div")[0], {bottom:0})

};

_this.aSort[_this.iCenter].onmouseout = function ()

{

_this.doMove(this.getElementsByTagName("div")[0], {bottom:-100})

}

})

});

}

else

{

this.css(this.aSort[i], "display", "none");

this.css(this.aSort[i], "width", 0);

this.css(this.aSort[i], "height", 0);

this.css(this.aSort[i], "top", 37);

this.css(this.aSort[i], "left", this.oUl.offsetWidth / 2)

}

if (i < this.iCenter || i > this.iCenter)

{

this.css(this.aSort[i].getElementsByTagName("img")[0], "opacity", 100)

this.aSort[i].onmouseover = function ()

{

_this.doMove(this.getElementsByTagName("img")[0], {opacity:100})

};

this.aSort[i].onmouseout = function ()

{

_this.doMove(this.getElementsByTagName("img")[0], {opacity:100})

};

this.aSort[i].onmouseout();

}

else

{

this.aSort[i].onmouseover = this.aSort[i].onmouseout = null

}

},

addEvent : function (oElement, sEventType, fnHandler)

{

return oElement.addEventListener ? oElement.addEventListener(sEventType, fnHandler, false) : oElement.attachEvent("on" + sEventType, fnHandler)

},

css : function (oElement, attr, value)

{

if (arguments.length == 2)

{

return oElement.currentStyle ? oElement.currentStyle[attr] : getComputedStyle(oElement, null)[attr]

}

else if (arguments.length == 3)

{

switch (attr)

{

case "width":

case "height":

case "top":

case "left":

case "bottom":

oElement.style[attr] = value + "px";

break;

case "opacity" :

oElement.style.filter = "alpha(opacity=" + value + ")";

oElement.style.opacity = value / 100;

break;

default :

oElement.style[attr] = value;

break

}

},

doMove : function (oElement, oAttr, fnCallBack)

{

var _this = this;

clearInterval(oElement.timer);

oElement.timer = setInterval(function ()

{

var bStop = true;

for (var property in oAttr)

{

var iCur = parseFloat(_this.css(oElement, property));

property == "opacity" && (iCur = parseInt(iCur.toFixed(2) * 100));

var iSpeed = (oAttr[property] - iCur) / 5;

iSpeed = iSpeed > 0 ? Math.ceil(iSpeed) : Math.floor(iSpeed);

if (iCur != oAttr[property])

{

bStop = false;

_this.css(oElement, property, iCur + iSpeed)

}

if (bStop)

{

clearInterval(oElement.timer);

fnCallBack && fnCallBack.apply(_this, arguments)

}

}, 30)

}

};

window.onload = function ()

{

new ZoomPic("focus_Box");

};