js javascript 图片切换js,滑动展示,图片滑动新闻展示
<!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</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indexindex == 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><style type="text/css"> .container, .container img{width:280px; height:200px;}.container{border:1px solid #333;}.container img{border:0;}</style><div id="idContainer"><table id="idSlider" border="0" cellpadding="0" cellspacing="0"><tr><td><a href="http://www.cnblogs.com/cloudgamer/archive/2009/01/06/Tween.html"><img src="http://images.cnblogs.com/cnblogs_com/cloudgamer/143727/r_rt_1.jpg"/></a></td></tr><tr><td><a href="http://www.cnblogs.com/cloudgamer/archive/2008/07/21/ImgCropper.html"><img src="http://images.cnblogs.com/cnblogs_com/cloudgamer/143727/r_rt_5.jpg"/></a></td></tr><tr><td><a href="http://www.cnblogs.com/cloudgamer/archive/2008/11/17/Drag.html"><img src="http://images.cnblogs.com/cnblogs_com/cloudgamer/143727/r_rt_3.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 id="idContainer2"><table id="idSlider2" border="0" cellpadding="0" cellspacing="0"><tr><td><a href="http://www.cnblogs.com/cloudgamer/archive/2009/03/11/color.html"><img src="http://images.cnblogs.com/cnblogs_com/cloudgamer/143727/r_4.jpg"/></a></td><td><a href="http://www.cnblogs.com/cloudgamer/archive/2008/12/24/Slider.html"><img src="http://images.cnblogs.com/cnblogs_com/cloudgamer/143727/r_3.jpg"/></a></td><td><a href="http://www.cnblogs.com/cloudgamer/archive/2008/12/03/Resize.html"><img src="http://images.cnblogs.com/cnblogs_com/cloudgamer/143727/r_rt_2.jpg"/></a></td></tr></table><ul 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>