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js 可控制的图片幻灯切换效果

发布时间：2017-09-26 编辑：jiaochengji.com

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提示：您可以先修改部分代码再运行

<textarea name="runcool" rows="28" cols="75" >js 可控制的图片幻灯切换效果 <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>js 可控制的图片幻灯切换效果</title> <meta http-equiv="content-type" content="text/html;charset=gb2312"> <style type="text/css"> .container,.container *{ margin:0; padding:0; } .container{ width:150px; height:200px; overflow:hidden; position:relative; } .slider{ position:absolute; } .slider li{ list-style:none; display:inline; } .slider img{ width:150px; height:200px; 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; font-size:16px; margin:0 1px; border:0; background-color:#FF7300; font-weight:bold; } </style> </head> <body>

<ul class="slider" id="idSlider"> <li> js 可控制的图片幻灯切换效果

js 可控制的图片幻灯切换效果

</li> <li> js 可控制的图片幻灯切换效果

js 可控制的图片幻灯切换效果

</li> <li> js 可控制的图片幻灯切换效果

js 可控制的图片幻灯切换效果

</li> </ul> <ul class="num" id="idNum"> <li>1</li> <li>2</li> <li>3</li> </ul>

<ul class="slider slider2" id="idSlider2"> <li> js 可控制的图片幻灯切换效果

js 可控制的图片幻灯切换效果

</li> <li> js 可控制的图片幻灯切换效果

js 可控制的图片幻灯切换效果

</li> <li> js 可控制的图片幻灯切换效果

js 可控制的图片幻灯切换效果

</li> </ul> <ul class="num" id="idNum2"> <li>1</li> <li>2</li> <li>3</li> </ul>

">

切换速度：

停顿时间：

<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", 200, 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", 150, 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></textarea>

提示：您可以先修改部分代码再运行

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