運(yùn)行不出來啊?。。?/h1>

function?getStyle(obj,attr){
		if(obj.currentStyle){
				return?obj.currentStyle[attr];
			}
			else{
					return?getComputedStyle(obj,false)[attr];
				}
	}

function?starMove(obj,json,fn){	
var?flag?=?true;
for(var?attr?in?json){
		clearInterval(obj.timer);
		obj.timer?=?setInterval(function(){
				//1.取當(dāng)前值
				var?iCur?=?0;
				
				if(attr?==?'opacity'){
						iCur?=?Math.round(parseInt(getStyle(obj,attr))*100);
					}
					else{
							iCur?=?parseInt(getStyle(obj,attr));
						}
						
				//2.算速度
				var?iSpeed?=?(json[attr]-iCur)/8;
				iSpeed?=?iSpeed?>?0???Math.ceil(iSpeed)?:?Math.floor(iSpeed);
				
				//3.檢測停止
				if(iCur?!==?json[attr]){
						flag?=?false;
					}
					else{
							if(attr?==?'opacity'){
									obj.style.filter?=?'alpha:(opacity:'+(iCur+iSpeed)+')';
									obj.style.opacity?=?(iCur+iSpeed)?/100;
								}
								else{
										obj.style[attr]?=?iCur+iSpeed+'px';?
									}
						????????}
						if(flag){
								clearInterval(obj.timer);
								if(fn){
										fn();
									??}
							????}
		????????????????}
			???},30)
	}