Zghyyx.com 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; } } } } //????????,????????,?л????? var SlideTrans = function(container, slider, count, options) { this._slider = $(slider); this._container = $(container);//???????? this._timer = null;//??ʱ?? this._count = Math.abs(count);//?л????? this._target = 0;//Ŀ??ֵ this._t = this._b = this._c = 0;//tween???? this.Index = 0;//??ǰ???? 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";//???? //??ʽ???? 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 = { //????Ĭ?????? SetOptions: function(options) { this.options = {//Ĭ??ֵ Vertical: true,//?Ƿ???ֱ׽????????ܸģ? Auto: true,//?Ƿ??Զ? Change: 0,//?ı??? Duration: 50,//????????ʱ?? Time: 10,//??????ʱ Pause: 4000,//ͣ??ʱ??(AutoΪtrueʱ??Ч) onStart: function(){},//ߪʼתۻʱִ?? onFinish: function(){},//????תۻʱִ?? Tween: Tween.Quart.easeOut//tween???? }; Extend(this.options, options || {}); }, //??ʼ?л? Run: function(index) { //????index index == undefined && (index = this.Index); index < 0 && (index = this._count - 1) || index >= this._count && (index = 0); //???ò??? 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(); }, //?ƶ? Move: function() { clearTimeout(this._timer); //δս??Ŀ???????ƶϷ?????????һ?λ̶? 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)); } }, //?ƶϵ? MoveTo: function(i) { this._slider.style[this._css] = i + "px"; }, //??һ?? Next: function() { this.Run(++this.Index); }, //??һ?? Previous: function() { this.Run(--this.Index); }, //ֹͣ Stop: function() { clearTimeout(this._timer); this.MoveTo(this._

۷Ç?ղúҵÍøÊÇһ¼ÒרҵµĻáÒéӪÏú·þÎñƽ̨ìרע·þÎñÓÚÈËÀཡߵ²úҵìÌṩ»áÏú²úƷÕÐẸ̻́áÏú²úƷ´úÀ�»áÏúÐÐҵ×ÊѶì»áÏúչ»áÐÅϢ²éѯµȷþÎñ£¬ÊǽղúҵµÄÓÅÐã·þÎñƽ̨c