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  • 一段图片轮换代码

    <html>
    <!-- 脚本代码开始 -->
    <head>

        <script language="JavaScript" type="text/javascript">
    <!--
    var bannerAD=new Array();
    var adNum=0;

    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();
    }
    }

    function nextAd() {
    if (adNum<bannerAD.length-1) {
    adNum++;
    } else {
    adNum=0;
    }
    setTransition();
    document.images.bannerADrotator.src=bannerAD[adNum];
    playTransition();
    theTimer=setTimeout("nextAd()", 5000);
    }
    //-->
        </script>

        <!-- 脚本代码结束 -->
    </head>
    <body>
        <!--调用开始-->
        <table>
            <td width="159" valign="middle">
                <img src="" name="bannerADrotator" width="159" height="184" style="filter: revealTrans(duration=2,transition=20);">

                <script language="JavaScript" type="text/javascript">
    nextAd()
                </script>

            </td>
            <!-- 调用结束 -->
        </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
            {
                169px;
                height: 323px;
                overflow: hidden;
            }
            .slider
            {
                position: absolute;
            }
            .slider li
            {
                list-style: none;
                display: inline;
            }
            .slider img
            {
                169px;
                height: 323px;
                display: block;
            }
            .slider2
            {
                2000px;
            }
            .slider2 li
            {
                float: left;
            }
            .num
            {
                position: absolute;
                right: 5px;
                bottom: 5px;
            }
            .num li
            {
                float: left;
                color: #FF7300;
                text-align: center;
                line-height: 16px;
                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;
                21px;
                height: 21px;
                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>

        <script type="text/javascript">
    var $ = function (id) {
    return "string" == typeof id ? document.getElementById(id) : id;
    };

    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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  • 原文地址:https://www.cnblogs.com/hsapphire/p/1700241.html
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