var ybvvjdt = function (id) { return "string" == typeof id ? document.getElementById(id) : id; }; var Class = { create: function() { return function() { this.initialize.apply(this, arguments); } } } Object.extend = function(destination, source) { for (var property in source) { destination[property] = source[property]; } return destination; } var TransformView = Class.create(); TransformView.prototype = { initialize: function(container, slider, parameter, count, options) { if(parameter <= 0 || count <= 0) return; var oContainer = ybvvjdt(container), oSlider = ybvvjdt(slider), oThis = this; this.Index = 0; this._timer = null; this._slider = oSlider; this._parameter = parameter; this._count = count || 0; this._target = 0; this.SetOptions(options); this.Up = !!this.options.Up; this.Step = Math.abs(this.options.Step); this.Time = Math.abs(this.options.Time); this.Auto = !!this.options.Auto; this.Pause = Math.abs(this.options.Pause); this.onStart = this.options.onStart; this.onFinish = this.options.onFinish; oContainer.style.overflow = "hidden"; oContainer.style.position = "relative"; oSlider.style.position = "absolute"; oSlider.style.top = oSlider.style.left = 0; }, SetOptions: function(options) { this.options = { Up: true, Step: 5, Time: 10, Auto: true, Pause: 200, onStart: function(){}, onFinish: function(){} }; Object.extend(this.options, options || {}); }, Start: function() { if(this.Index < 0){ this.Index = this._count - 1; } else if (this.Index >= this._count){ this.Index = 0; } this._target = -1 * this._parameter * this.Index; this.onStart(); this.Move(); }, Move: function() { clearTimeout(this._timer); var oThis = this, style = this.Up ? "top" : "left", iNow = parseInt(this._slider.style[style]) || 0, iStep = this.GetStep(this._target, iNow); if (iStep != 0) { this._slider.style[style] = (iNow + iStep) + "px"; this._timer = setTimeout(function(){ oThis.Move(); }, this.Time); } else { this._slider.style[style] = this._target + "px"; this.onFinish(); if (this.Auto) { this._timer = setTimeout(function(){ oThis.Index++; oThis.Start(); }, this.Pause); } } }, GetStep: function(iTarget, iNow) { var iStep = (iTarget - iNow) / this.Step; if (iStep == 0) return 0; if (Math.abs(iStep) < 1) return (iStep > 0 ? 1 : -1); return iStep; }, Stop: function(iTarget, iNow) { clearTimeout(this._timer); this._slider.style[this.Up ? "top" : "left"] = this._target + "px"; } }; function Each(list, fun){ for (var i = 0, len = list.length; i < len; i++) { fun(list[i], i); } }; function mytv(aa,bb,cc,dd,ee,ff,gg,hh,ii,jj){ var objs = ybvvjdt(aa).getElementsByTagName("li"); var tv = new TransformView(bb,cc,dd,ee, { onStart : function(){ Each(objs, function(o, i){ o.className = tv.Index == i ? "on" : ""; }) }//按钮样式 }); Each(objs, function(o, i){ function autoplay(){ //tv.Index = i;tv.Up = ff; tv.Pause = gg; tv.Step = hh; if(ii==true){ tv.Auto=true; tv.Start();} else{ tv.Auto = false; tv.Start(); } } autoplay();if(jj=="onmouseover"){o.onmouseover = function(){o.className = "on"; tv.Index = i; ii=false; autoplay(); } o.onmouseout = function(){ o.className = ""; ii=true; autoplay(); } } if(jj=="onclick"){o.onclick = function(){ o.className = "on"; tv.Index = i; autoplay(); } } }) }