Antwort:
程序代码
<!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 ">
<Kopf>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>JavaScript 无缝上下左右滚动加定高定宽停顿效果(兼容ie/ff)</title>
</head>
<Körper>
<SCRIPT-Typ=Text/Javascript>
var $ = Funktion (id) {
return „string“ == typeof id ? document.getElementById(id) : id;
};
var-Klasse = {
erstellen: function() {
Rückgabefunktion() {
this.initialize.apply(this, arguments);
}
}
}
Object.extend = function(destination, source) {
for (var-Eigenschaft in der Quelle) {
Ziel[Eigenschaft] = Quelle[Eigenschaft];
}
Rückreiseziel;
}
Funktion addEventHandler(oTarget, sEventType, fnHandler) {
if (oTarget.addEventListener) {
oTarget.addEventListener(sEventType, fnHandler, false);
} else if (oTarget.attachEvent) {
oTarget.attachEvent("on" + sEventType, fnHandler);
} anders {
oTarget["on" + sEventType] = fnHandler;
}
};
var Scroller = Class.create();
Scroller.prototype = {
initialisieren: function(idScroller, idScrollMid, Optionen) {
var oThis = this, oScroller = $(idScroller), oScrollMid = $(idScrollMid);
this.SetOptions(options);
this.Side = this.options.Side || ["up"];//方向
this.scroller = oScroller; //对象
this.speed = this.options.Speed; //速度
this.timer = null; //时间
this.pauseHeight = 0; //定高
this.pauseWidth = 0; //定宽
this.pause = 0; //定高(宽)
this.side = 0; //参数
//用于上下滚动
this.heightScroller = parseInt(oScroller.style.height) || oScroller.offsetHeight;
this.heightList = oScrollMid.offsetHeight;
//用于左右滚动
this.widthScroller = parseInt(oScroller.style.width) || oScroller.offsetWidth;
this.widthList = oScrollMid.offsetWidth;
//js取不到css设置的height和width
oScroller.style.overflow = "hidden";
oScrollMid.appendChild(oScrollMid.cloneNode(true));
oScrollMid.appendChild(oScrollMid.cloneNode(true));
addEventHandler(oScroller, "mouseover", function() { oThis.Stop(); });
addEventHandler(oScroller, "mouseout", function() { oThis.Start(); });
this.Start();
},
//设置默认属性
SetOptions: Funktion(Optionen) {
this.options = {//默认值
Schritt: 1,//每次变化的px量
Geschwindigkeit: 20,//速度(越大越慢)
Seite: [„oben“], // Richtungen: „oben“ wird angezeigt, „unten“ wird angezeigt, „links“ wird angezeigt, „rechts“ wird angezeigt
PauseHeight: 0,//隔多高停一次
PauseWidth: 0,//Erweiterte Pausenbreite
//Sie können auch PauseHeight und PauseWidth verwenden
PauseStep: 1000//停顿时间(PauseHeight oder PauseWidth大于0该参数才有效)
};
Object.extend(this.options, Optionen || {});
},
//转向
Drehen Sie: function() {
//通过设置方向数组的排列来转向
this.Side.push(this.Side.shift().toLowerCase());
},
//上下滚动
ScrollUpDown: function() {
this.pause = this.pauseHeight;
this.scroller.scrollTop = this.GetScroll(this.scroller.scrollTop, this.heightScroller, this.heightList, this.options.PauseHeight);
this.pauseHeight = this.pause;
var oThis = this;
this.timer = window.setTimeout(function(){ oThis.Start(); }, this.speed);
},
//左右滚动
ScrollLeftRight: function() {
this.pause = this.pauseWidth;
//注意:scrollLeft超过1400会自动变回1400 注意长度
this.scroller.scrollLeft = this.GetScroll(this.scroller.scrollLeft, this.widthScroller, this.widthList, this.options.PauseWidth);
this.pauseWidth = this.pause;
var oThis = this;
this.timer = window.setTimeout(function(){ oThis.Start(); }, this.speed);
},
//获取设置滚动数据
GetScroll: function(iScroll, iScroller, iList, iPause) {
var iStep = this.options.Step * this.side;
if(this.side > 0){
if(iScroll >= (iList * 2 - iScroller)){ iScroll -= iList; }
} anders {
if(iScroll <= 0){ iScroll += iList; }
}
this.speed = this.options.Speed;
if(iPause > 0){
if(Math.abs(this.pause) >= iPause){
this.speed = this.options.PauseStep; this.pause = iStep = 0; this.Turn();
} anders {
this.pause += iStep;
}
}
return (iScroll + iStep);
},
//开始
Start: function() {
//document.getElementById("test").innerHTML+=sTurn+",";
//方向设置
switch (this.Side[0].toLowerCase()) {
Fall „richtig“:
if(this.widthList < this.widthScroller) return;
this.side = -1;
this.ScrollLeftRight();
brechen;
Fall „links“:
if(this.widthList < this.widthScroller) return;
this.side = 1;
this.ScrollLeftRight();
brechen;
Fall „unten“:
if(this.heightList < this.heightScroller) return;
this.side = -1;
this.ScrollUpDown();
brechen;
Fall „oben“:
Standard :
if(this.heightList < this.heightScroller) return;
this.side = 1;
this.ScrollUpDown();
}
},
//停止
Stopp: function() {
clearTimeout(this.timer);
}
};
</SCRIPT>
<STYLE>
.Scroller {line-height:50px; border:1px solid #000000; Polsterung:0px 10px; Höhe:50px; Breite:400px;}
.Scroller *{margin:0px; padding:0px;}
.ScrollMid {float:left;}
.ScrollMid ul{width:800px;float:left;}
.ScrollMid li{list-style:none; float:left; Breite:390px; padding-left:10px;line-height:50px; }
</STYLE>
<DIV class=Scroller id=idScroller>
<DIV style="WIDTH: 1600px">
<DIV class=ScrollMid id=idScrollMid>
<UL>
<LI>顺德于1993年被批准为广东省综合改革试点. </LI>
<LI>Das Bruttoinlandsprodukt (BIP) im Jahr 2006 betrug 1.000 Millionen US-Dollar. </LI>
<LI>2000至2003年顺德均在中国百强县排名中位居榜首. </LI>
<LI>2005年顺德实现国内生产总值856.11亿元。 </LI></UL></DIV></DIV></DIV>
<SKRIPT>
new Scroller("idScroller", "idScrollMid",{ Side:["up","left"], PauseHeight:50, PauseWidth:400 });
</SCRIPT>
</body>
</html>