Js图片滑动切换效果

稿源：互联网 2022-06-15 10:22:28 点击： 27958 撤稿纠错

Js图片滑动切换效果，可自定义图片

以下讨论的是和图片切换相关的Js图片滑动切换效果教程文章，内容是本站精心挑选整理的教程，希望对广大的网友给到帮助,下面是详细内容：

脚本代码(For Alixixi.com)如下:

<!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 图片滑动切换效果 alixixi.com</title>
<script type="text/javascript">
var $ = function (id) {
        return "string" == typeof id ? document.getElementById(id) : id;
};
var Extend = function(destination, source) {
        for (var property in source) {
                destination[property] = source[property];
        }
        return destination;
}
var CurrentStyle = function(element){
        return element.currentStyle || document.defaultView.getComputedStyle(element, null);
}
var Bind = function(object, fun) {
        var args = Array.prototype.slice.call(arguments).slice(2);
        return function() {
                return fun.apply(object, args.concat(Array.prototype.slice.call(arguments)));
        }
}
var Tween = {
        Quart: {
                easeOut: function(t,b,c,d){
                        return -c * ((t=t/d-1)*t*t*t - 1) + b;
                }
        },
        Back: {
                easeOut: function(t,b,c,d,s){
                        if (s == undefined) s = 1.70158;
                        return c*((t=t/d-1)*t*((s+1)*t + s) + 1) + b;
                }
        },
        Bounce: {
                easeOut: function(t,b,c,d){
                        if ((t/=d) < (1/2.75)) {
                                return c*(7.5625*t*t) + b;
                        } else if (t < (2/2.75)) {
                                return c*(7.5625*(t-=(1.5/2.75))*t + .75) + b;
                        } else if (t < (2.5/2.75)) {
                                return c*(7.5625*(t-=(2.25/2.75))*t + .9375) + b;
                        } else {
                                return c*(7.5625*(t-=(2.625/2.75))*t + .984375) + b;
                        }
                }
        }
}
//容器对象,滑动对象,切换数量
var SlideTrans = function(container, slider, count, options) {
        this._slider = $(slider);
        this._container = $(container);//容器对象
        this._timer = null;//定时器
        this._count = Math.abs(count);//切换数量
        this._target = 0;//目标值
        this._t = this._b = this._c = 0;//tween参数
        
        this.Index = 0;//当前索引
        
        this.SetOptions(options);
        
        this.Auto = !!this.options.Auto;
        this.Duration = Math.abs(this.options.Duration);
        this.Time = Math.abs(this.options.Time);
        this.Pause = Math.abs(this.options.Pause);
        this.Tween = this.options.Tween;
        this.onStart = this.options.onStart;
        this.onFinish = this.options.onFinish;
        
        var bVertical = !!this.options.Vertical;
        this._css = bVertical ? "top" : "left";//方向
        
        //样式设置
        var p = CurrentStyle(this._container).position;
        p == "relative" || p == "absolute" || (this._container.style.position = "relative");
        this._container.style.overflow = "hidden";
        this._slider.style.position = "absolute";
        
        this.Change = this.options.Change ? this.options.Change :
                this._slider[bVertical ? "offsetHeight" : "offsetWidth"] / this._count;
};
SlideTrans.prototype = {
  //设置默认属性
  SetOptions: function(options) {
        this.options = {//默认值
                Vertical:        true,//是否垂直方向（方向不能改）
                Auto:                true,//是否自动
                Change:                0,//改变量
                Duration:        50,//滑动持续时间
                Time:                10,//滑动延时
                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
                Tween:                Tween.Quart.easeOut//tween算子
        };
        Extend(this.options, options || {});
  },
  //开始切换
  Run: function(index) {
        //修正index
        index == undefined && (index = this.Index);
        index < 0 && (index = this._count - 1) || index >= this._count && (index = 0);
        //设置参数
        this._target = -Math.abs(this.Change) * (this.Index = index);
        this._t = 0;
        this._b = parseInt(CurrentStyle(this._slider)[this.options.Vertical ? "top" : "left"]);
        this._c = this._target - this._b;
        
        this.onStart();
        this.Move();
  },
  //移动
  Move: function() {
        clearTimeout(this._timer);
        //未到达目标继续移动否则进行下一次滑动
        if (this._c && this._t < this.Duration) {
                this.MoveTo(Math.round(this.Tween(this._t++, this._b, this._c, this.Duration)));
                this._timer = setTimeout(Bind(this, this.Move), this.Time);
        }else{
                this.MoveTo(this._target);
                this.Auto && (this._timer = setTimeout(Bind(this, this.Next), this.Pause));
        }
  },
  //移动到
  MoveTo: function(i) {
        this._slider.style[this._css] = i + "px";
  },
  //下一个
  Next: function() {
        this.Run(++this.Index);
  },
  //上一个
  Previous: function() {
        this.Run(--this.Index);
  },
  //停止
  Stop: function() {
        clearTimeout(this._timer); this.MoveTo(this._target);
  }
};
</script>
</head>
<body>
应有尽有的网页特效网址：<a href="http://js.alixixi.com">http://js.alixixi.com</a>
<hr />
<style type="text/css"> 
.container, .container img{width:280px; height:200px;}
.container{border:1px solid #333;}
.container img{border:0;}
</style>
<div class="container" id="idContainer">
        <table id="idSlider" border="0" cellpadding="0" cellspacing="0">
                <tr>
                        <td><a href="http://www.alixixi.com/"><img src="http://www.alixixi.com[InstallDir_ChannelDir]UploadPic/2009-6/200962317204762500.jpg"/></a></td>
                </tr>
                <tr>
                        <td><a href="http://www.alixixi.com/"><img src="http://www.alixixi.com[InstallDir_ChannelDir]UploadPic/2009-6/200962317263684937.jpg"/></a></td>
                </tr>
                <tr>
                        <td><a href="http://www.alixixi.com/"><img src="http://www.alixixi.com[InstallDir_ChannelDir]UploadPic/2009-6/20096231729388447.jpg"/></a></td>
                </tr>
        </table>
</div>
<br />
<br />
<style type="text/css">
.num{ position:absolute; right:5px; bottom:5px;}
.num li{
        float: left;
        list-style:none;
        color: #fff;
        text-align: center;
        line-height: 16px;
        width: 16px;
        height: 16px;
        font-family: Arial;
        font-size: 12px;
        cursor: pointer;
        margin: 1px;
        border: 1px solid #707070;
        background-color: #060a0b;
}
.num li.on{
        line-height: 18px;
        width: 18px;
        height: 18px;
        font-size: 14px;
        border: 0;
        background-color: #ce0609;
        font-weight: bold;
}
</style>

<div class="container" id="idContainer2">
        <table id="idSlider2" border="0" cellpadding="0" cellspacing="0">
                <tr>
                        <td><a href="http://www.alixixi.com/"><img src="http://www.alixixi.com[InstallDir_ChannelDir]UploadPic/2009-6/200962317255199071.jpg"/></a></td>
                        <td><a href="http://www.alixixi.com/"><img src="http://www.alixixi.com[InstallDir_ChannelDir]UploadPic/2009-6/200962317245932234.jpg"/></a></td>
                        <td><a href="http://www.alixixi.com/"><img src="http://www.alixixi.com[InstallDir_ChannelDir]UploadPic/2009-6/200962317235087979.jpg"/></a></td>
                </tr>
        </table>
        <ul class="num" id="idNum">
        </ul>
</div>
<br />
<div>
        <input id="idAuto" type="button" value="停止" />
        <input id="idPre" type="button" value="<<" />
        <input id="idNext" type="button" value=">>" />
        <select id="idTween">
                <option value="0">默认缓动</option>
                <option value="1">方式1</option>
                <option value="2">方式2</option>
        </select>
</div>
<script>
new SlideTrans("idContainer", "idSlider", 3).Run();
///////////////////////////////////////////////////////////
var forEach = function(array, callback, thisObject){
        if(array.forEach){
                array.forEach(callback, thisObject);
        }else{
                for (var i = 0, len = array.length; i < len; i++) { callback.call(thisObject, array[i], i, array); }
        }
}
var st = new SlideTrans("idContainer2", "idSlider2", 3, { Vertical: false });
var nums = [];
//插入数字
for(var i = 0, n = st._count - 1; i <= n;){
        (nums[i] = $("idNum").appendChild(document.createElement("li"))).innerHTML = ++i;
}
forEach(nums, function(o, i){
        o.onmouseover = function(){ o.className = "on"; st.Auto = false; st.Run(i); }
        o.onmouseout = function(){ o.className = ""; st.Auto = true; st.Run(); }
})
//设置按钮样式
st.onStart = function(){
        forEach(nums, function(o, i){ o.className = st.Index == i ? "on" : ""; })
}
$("idAuto").onclick = function(){
        if(st.Auto){
                st.Auto = false; st.Stop(); this.value = "自动";
        }else{
                st.Auto = true; st.Run(); this.value = "停止";
        }
}
$("idNext").onclick = function(){ st.Next(); }
$("idPre").onclick = function(){ st.Previous(); }
$("idTween").onchange = function(){
        switch (parseInt(this.value)){
                case 2 :
                        st.Tween = Tween.Bounce.easeOut; break;
                case 1 :
                        st.Tween = Tween.Back.easeOut; break;
                default :
                        st.Tween = Tween.Quart.easeOut;
        }
}
st.Run();
</script>
</body>
</html>

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