一段图片轮换代码

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JavaScript UP 脚本 XHTML CSS

bannerAD[0]='cyjq_R_banner1.jpg';
bannerAD[1]='cyjq_R_banner2.jpg';
bannerAD[2]='cyjq_R_banner.jpg';

var preloadedimages=new Array();
for (i=1;i<bannerAD.length;i++) {
preloadedimages[i]=new Image();
preloadedimages[i].src=bannerAD[i];

}

function setTransition() {
if (document.all) {
bannerADrotator.filters.revealTrans.Transition=Math.floor(Math.random()*23);
bannerADrotator.filters.revealTrans.apply();
}
}

function playTransition() {
if (document.all) {
bannerADrotator.filters.revealTrans.play();
}
}

</head>
<body>
    
    <table>
        <td width="159" valign="middle">
            <img src="" name="bannerADrotator" width="159" height="184" style="filter: revealTrans(duration=2,transition=20);">

</td>
        
    </table>
</body>
</html>
还有一个牛人写的JS
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
    <title>JavaScript 图片切换展示效果</title>
</head>
<body>
    <style type="text/css">
        .container, .container *
        {
            margin: 0;
            padding: 0;
        }
        .container
        {
            width: 169px;
            height: 323px;
            overflow: hidden;
        }
        .slider
        {
            position: absolute;
        }
        .slider li
        {
            list-style: none;
            display: inline;
        }
        .slider img
        {
            width: 169px;
            height: 323px;
            display: block;
        }
        .slider2
        {
            width: 2000px;
        }
        .slider2 li
        {
            float: left;
        }
        .num
        {
            position: absolute;
            right: 5px;
            bottom: 5px;
        }
        .num li
        {
            float: left;
            color: #FF7300;
            text-align: center;
            line-height: 16px;
            width: 16px;
            height: 16px;
            font-family: Arial;
            font-size: 12px;
            cursor: pointer;
            overflow: hidden;
            margin: 3px 1px;
            border: 1px solid #FF7300;
            background-color: #fff;
        }
        .num li.on
        {
            color: #fff;
            line-height: 21px;
            width: 21px;
            height: 21px; <script language="JavaScript" src="http://book.book560.com/ads/ads728x15.js" type="text/javascript"></script>
            font-size: 16px;
            margin: 0 1px;
            border: 0;
            background-color: #FF7300;
            font-weight: bold;
        }
    </style>
    <div class="container" id="idTransformView">
        <ul class="slider" id="idSlider">
            <li>
                <img src="cyjq_R_banner1.jpg" /></li>
            <li>
                <img src="cyjq_R_banner2.jpg" /></li>
            <li>
                <img src="cyjq_R_banner.jpg" /></li>
        </ul>
        <ul class="num" id="idNum">
            <li>1</li>
            <li>2</li>
            <li>3</li>
        </ul>
    </div>
    <br />
    <div class="container" id="idTransformView2">
        <ul class="slider slider2" id="idSlider2">
            <li>
                <img src="cyjq_R_banner1.jpg" /></li>
            <li>
                <img src="cyjq_R_banner2.jpg" /></li>
            <li>
                <img src="cyjq_R_banner.jpg" /></li>
        </ul>
        <ul class="num" id="idNum2">
            <li>1</li>
            <li>2</li>
            <li>3</li>
        </ul>
    </div>
    <br />
    <div>
        <input id="idStop" type="button" value=" 停止自动 " />
        <input id="idStart" type="button" value=" 开始自动 " />
        <br />
        <br />
        <input id="idPre" type="button" value=" <- 上一个 " />
        <input id="idNext" type="button" value=" 下一个 -> " />
        <br />
        <br />
        切换速度：
        <input id="idFast" type="button" value=" + 加速 " />
        <input id="idSlow" type="button" value=" - 减速 " />
        <br />
        <br />
        停顿时间：
        <input id="idAdd" type="button" value=" + 加时间 " />
        <input id="idReduce" type="button" value=" - 减时间 " />
        <br />
        <br />
        <input id="idReset" type="button" value=" Reset " />
    </div>

var Class = {
create: function() {
return function() {
this.initialize.apply(this, arguments);
}
}
}

Object.extend = function(destination, source) {
for (var property in source) {
destination[property] = source[property];
}
return destination;
}

var TransformView = Class.create();
TransformView.prototype = {
//容器对象,滑动对象,切换参数,切换数量
initialize: function(container, slider, parameter, count, options) {
if(parameter <= 0 || count <= 0) return;
var oContainer = $(container), oSlider = $(slider), oThis = this;

this.Index = 0;//当前索引

this._timer = null;//定时器
this._slider = oSlider;//滑动对象
this._parameter = parameter;//切换参数
this._count = count || 0;//切换数量
this._target = 0;//目标参数

this.SetOptions(options);

this.Up = !!this.options.Up;
this.Step = Math.abs(this.options.Step);
this.Time = Math.abs(this.options.Time);
this.Auto = !!this.options.Auto;
this.Pause = Math.abs(this.options.Pause);
this.onStart = this.options.onStart;
this.onFinish = this.options.onFinish;

oContainer.style.overflow = "hidden";
oContainer.style.position = "relative";

oSlider.style.position = "absolute";
oSlider.style.top = oSlider.style.left = 0;
},
//设置默认属性
SetOptions: function(options) {
this.options = {//默认值
Up: true,//是否向上(否则向左)
Step: 5,//滑动变化率
Time: 10,//滑动延时
Auto: true,//是否自动转换
Pause: 2000,//停顿时间(Auto为true时有效)
onStart: function(){},//开始转换时执行
onFinish: function(){}//完成转换时执行
};
Object.extend(this.options, options || {});
},
//开始切换设置
Start: function() {
if(this.Index < 0){
this.Index = this._count - 1;
} else if (this.Index >= this._count){ this.Index = 0; }

this._target = -1 * this._parameter * this.Index;
this.onStart();
this.Move();
},
//移动
Move: function() {
clearTimeout(this._timer);
var oThis = this, style = this.Up ? "top" : "left", iNow = parseInt(this._slider.style[style]) || 0, iStep = this.GetStep(this._target, iNow);

if (iStep != 0) {
this._slider.style[style] = (iNow + iStep) + "px";
this._timer = setTimeout(function(){ oThis.Move(); }, this.Time);
} else {
this._slider.style[style] = this._target + "px";
this.onFinish();
if (this.Auto) { this._timer = setTimeout(function(){ oThis.Index++; oThis.Start(); }, this.Pause); }
}
},
//获取步长
GetStep: function(iTarget, iNow) {
var iStep = (iTarget - iNow) / this.Step;
if (iStep == 0) return 0;
if (Math.abs(iStep) < 1) return (iStep > 0 ? 1 : -1);
return iStep;
},
//停止
Stop: function(iTarget, iNow) {
clearTimeout(this._timer);
this._slider.style[this.Up ? "top" : "left"] = this._target + "px";
}
};

window.onload=function(){
function Each(list, fun){
for (var i = 0, len = list.length; i < len; i++) { fun(list[i], i); }
};

var objs = $("idNum").getElementsByTagName("li");

var tv = new TransformView("idTransformView", "idSlider", 168, 3, {
onStart : function(){ Each(objs, function(o, i){ o.className = tv.Index == i ? "on" : ""; }) }//按钮样式
});

tv.Start();

Each(objs, function(o, i){
o.onmouseover = function(){
o.className = "on";
tv.Auto = false;
tv.Index = i;
tv.Start();
}
o.onmouseout = function(){
o.className = "";
tv.Auto = true;
tv.Start();
}
})

////////////////////////test2

var objs2 = $("idNum2").getElementsByTagName("li");

var tv2 = new TransformView("idTransformView2", "idSlider2", 408, 3, {
onStart: function(){ Each(objs2, function(o, i){ o.className = tv2.Index == i ? "on" : ""; }) },//按钮样式
Up: false
});

tv2.Start();

Each(objs2, function(o, i){
o.onmouseover = function(){
o.className = "on";
tv2.Auto = false;
tv2.Index = i;
tv2.Start();
}
o.onmouseout = function(){
o.className = "";
tv2.Auto = true;
tv2.Start();
}
})

$("idStop").onclick = function(){ tv2.Auto = false; tv2.Stop(); }
$("idStart").onclick = function(){ tv2.Auto = true; tv2.Start(); }
$("idNext").onclick = function(){ tv2.Index++; tv2.Start(); }
$("idPre").onclick = function(){ tv2.Index--;tv2.Start(); }
$("idFast").onclick = function(){ if(--tv2.Step <= 0){tv2.Step = 1;} }
$("idSlow").onclick = function(){ if(++tv2.Step >= 10){tv2.Step = 10;} }
$("idReduce").onclick = function(){ tv2.Pause-=1000; if(tv2.Pause <= 0){tv2.Pause = 0;} }
$("idAdd").onclick = function(){ tv2.Pause+=1000; if(tv2.Pause >= 5000){tv2.Pause = 5000;} }

$("idReset").onclick = function(){
tv2.Step = Math.abs(tv2.options.Step);
tv2.Time = Math.abs(tv2.options.Time);
tv2.Auto = !!tv2.options.Auto;
tv2.Pause = Math.abs(tv2.options.Pause);
}

}
</script>

</body>
</html>

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2010-03-30 09:06
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