/*CSS*/
.table{position:absolute;}
.container{float:left;width:334px;height:218px;border:1px solid #ccc;background: #fff;position: relative;overflow: hidden;}
.container a img{width:334px;border-style:none;margin:0;padding:0;}//这段一定要加的
.num {position:absolute; width: 90px; float: right; top: 195px; left: 240px}
.num li {text-align: center; line-height: 15px; list-style-type: none; margin: 1px; width: 15px;font-family: arial; float: left; height: 15px; color: #86a2b8; font-size:12px; cursor: pointer}
.num li.on {line-height: 15px; width:15px; height: 15px; color: #ffffff}
/*JS*/
<script type="text/javascript"> //这一段放置在html头部
var gtopTab="one";
function $$id(id){
return document.getElementById(id);
}
function changesTab(tab_id){
if (tab_id==gtopTab){
return;
}else{
$$id(gtopTab).className="unselect";
$$id(tab_id).className="select";
$$id("tab_"+gtopTab).style.display="none";
$$id("tab_"+tab_id).style.display="block";
gtopTab=tab_id;
}
}
var $$ = 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:4000,//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);
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---这一段表明：必须要在css里面设置图片img的width，才可以起作用
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>
(function(){ //这一段单独存放，需要JQuery在前
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", 5, {
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" : "";
})
}
st.Run();
})()
/*HTML*/
<div id="idContainer2" class="container">
<table id="idSlider2" border="0" cellspacing="0" cellpadding="0" align="left">
<tbody>
<tr>
<td class="td_f">
<a href="#" target="_blank">
<img src="images/1.jpg" />
</a>
</td>
<td class="td_f" >
<a href="#" target="_blank">
<img src="images/2.jpg"/>
</a>
</td>
<td >
<a href="#" target="_blank">
<img src="images/3.jpg" />
</a>
</td>
<td class="td_f">
<a href="#" target="_blank">
<img src="images/4.jpg" />
</a>
</td>
<td class="td_f">
<a href="#" target="_blank">
<img src="images/5.jpg" />
</a>
</td>
</tr>
</tbody>
</table>
<ul id="idNum" class="num">
</ul>
</div>
