<HTML><HEAD><TITLE>JavaScript
地毯图片滑动切换展示效果</TITLE>
<META http-equiv=Content-Type content="text/html; charset=gb2312">
<style>
BODY {
PADDING: 0px;
MARGIN: 0px;
}
UL {
PADDING: 0px;
MARGIN: 0px;
}
LI {
PADDING-RIGHT: 0px;
PADDING-LEFT: 0px;
PADDING-BOTTOM: 0px;
MARGIN: 0px;
PADDING-TOP: 0px
}
.padder {
padding: 0px;
margin: 0px;
HEIGHT: 215px
}
.container {
WIDTH: 610px;
HEIGHT: 205px
}
.container A IMG {
WIDTH: 610px;
HEIGHT: 205px
}
.container IMG {
BORDER-TOP-STYLE: none;
BORDER-RIGHT-STYLE: none;
BORDER-LEFT-STYLE: none;
BORDER-BOTTOM-STYLE: none
}
.td_f A IMG {
PADDING-RIGHT: 0px;
PADDING-LEFT: 0px;
PADDING-BOTTOM: 0px;
MARGIN: 0px;
PADDING-TOP: 0px
}
.num {
LEFT: 520px;
FLOAT: right;
WIDTH: 90px;
POSITION: absolute;
TOP: 180px
}
.num LI {
FONT-SIZE: 12px;
BACKGROUND: url(
http://www.newxing.com/Tech/UploadPic/2010-5/2010510136292494.gif) no-repeat -15px 0px;
FLOAT: left;
MARGIN: 1px;
WIDTH: 15px;
CURSOR: pointer;
COLOR: #86a2b8;
LINE-HEIGHT: 15px;
FONT-FAMILY: Arial;
LIST-STYLE-TYPE: none;
HEIGHT: 15px;
TEXT-ALIGN: center
}
.num LI.on {
BACKGROUND: url(
http://www.newxing.com/Tech/UploadPic/2010-5/2010510136292494.gif) no-repeat;
WIDTH: 15px;
COLOR: #ffffff;
LINE-HEIGHT: 15px;
HEIGHT: 15px
}
</style>
<SCRIPT>
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);
//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>
<META content="MSHTML 6.00.2900.5945" name=GENERATOR></HEAD>
<BODY>
<DIV class=padder>
<DIV class=container id=idContainer2>
<TABLE id=idSlider2 cellSpacing=0 cellPadding=0 border=0>
<TBODY>
<TR>
<TD class=td_f><A href="
http://www.newxing.com"><IMG src="08.jpg"></A></TD>
<TD class=td_f><A href="
http://www.newxing.com"><IMG src="07.jpg"></A></TD>
<TD class=td_f><A href="
http://www.newxing.com"><IMG src="09.jpg"></A></TD>
<TD class=td_f><A href="
http://www.newxing.com"><IMG src="010.jpg"></A></TD>
<TD class=td_f><A href="
http://www.newxing.com"><IMG src="011.jpg"></A></TD>
</TR>
</TBODY>
</TABLE>
<UL class=num id=idNum></UL></DIV></DIV>
<SCRIPT>
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();
</SCRIPT>
