JS图片滚动插件非jquery 原生js版本

发布时间：2021-10-27 16:44:57 点击数:630

代码：

<!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" />
<meta name="keywords" content="JS代码,焦点图,JS广告代码,JS特效代码" />
<meta name="description" content="此代码内容为JavaScript图片切换展示效果，属于站长常用代码，更多焦点图代码请访问懒人图库JS代码频道。" />
<title>JavaScript图片切换展示效果作业窝</title>
</head>
<body>
<style type="text/css">
.container, .container *{margin:0; padding:0;}

.container{width:408px; height:168px; overflow:hidden;position:relative;}

.slider{position:absolute;}
.slider li{ list-style:none;display:inline;}
.slider img{ width:408px; height:168px; 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>
<div class="container" id="idTransformView">
<ul class="slider" id="idSlider">
<li><img src="images/01.jpg"/></li>
<li><img src="images/02.jpg"/></li>
<li><img src="images/03.jpg"/></li>
</ul>
<ul class="num" id="idNum">
<li>1</li>
<li>2</li>
<li>3</li>
</ul>
</div>

<br />

<br />

<p>
<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";
}
};

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JS图片滚动插件 非jquery 原生js版本

JS图片滚动插件非jquery 原生js版本