JavaScript 无缝八向滚动(兼容ie/ff)

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<head>

<title>JavaScript 无缝八向滚动(兼容ie/ff)</title>

</head>

<body>

var $ = 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;

}

function addEventHandler(oTarget, sEventType, fnHandler) {

if (oTarget.addEventListener) {

oTarget.addEventListener(sEventType, fnHandler, false);

} else if (oTarget.attachEvent) {

oTarget.attachEvent("on" + sEventType, fnHandler);

} else {

oTarget["on" + sEventType] = fnHandler;

}

};

var Scroller = Class.create();

Scroller.prototype = {

initialize: function(idScroller, idScrollMid, options) {

var oScroll = this, oScroller = $(idScroller), oScrollMid = $(idScrollMid);

this.SetOptions(options);

this.scroller = oScroller; //对象

this.timer = null; //时间

this.Side = []; //方向

this.side = 0; //参数

//方向设置

switch (this.options.Side.toLowerCase()) {

case "right-down" :

this.Side = ["right", "down"];

break;

case "right-up" :

this.Side = ["right", "up"];

break;

case "left-down" :

this.Side = ["left", "down"];

break;

case "left-up" :

this.Side = ["left", "up"];

break;

case "right" :

this.Side = ["right"];

break;

case "left" :

this.Side = ["left"];

break;

case "down" :

this.Side = ["down"];

break;

case "up" :

default :

this.Side = ["up"];

}

//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));

addEventHandler(oScroller, "mouseover", function() { oScroll.Stop(); });

addEventHandler(oScroller, "mouseout", function() { oScroll.Start(); });

this.Start();

//设置默认属性

SetOptions: function(options) {

this.options = {//默认值

Step: 1,//每次变化的px量

Speed: 20,//速度(越大越慢)

Side: "up"//滚动方向:"up"是上，"down"是下，"left"是左，"right"是右

};

Object.extend(this.options, options || {});

//上下滚动

ScrollUpDown: function() {

this.scroller.scrollTop = this.GetScroll(this.scroller.scrollTop, this.heightScroller, this.heightList);

var oThis = this;

this.timer = window.setTimeout(function(){ oThis.Start(); }, this.options.Speed);

//左右滚动

ScrollLeftRight: function() {

//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);

var oThis = this;

this.timer = window.setTimeout(function(){ oThis.Start(); }, this.options.Speed);

//获取设置滚动数据

GetScroll: function(iScroll, iScroller, iList) {

if(this.side > 0){

if(iScroll >= (iList * 2 - iScroller)){ iScroll -= iList; }

} else {

if(iScroll <= 0){ iScroll += iList; }

}

return (iScroll + this.options.Step * this.side);

//开始

Start: function() {

this.Side.push(this.Side.shift().toLowerCase());

//document.getElementById("test").innerHTML+=s+",";

//方向设置

switch (this.Side[0].toLowerCase()) {

case "right" :

if(this.widthList < this.widthScroller) return;

this.side = -1;

this.ScrollLeftRight();

break;

case "left" :

if(this.widthList < this.widthScroller) return;

this.side = 1;

this.ScrollLeftRight();

break;

case "down" :

if(this.heightList < this.heightScroller) return;

this.side = -1;

this.ScrollUpDown();

break;

case "up" :

default :

if(this.heightList < this.heightScroller) return;

this.side = 1;

this.ScrollUpDown();

}

//停止

Stop: function() {

clearTimeout(this.timer);

}

};

window.onload = function(){

new Scroller("idScroller", "idScrollMid",{ Side:"left-down" });

new Scroller("idScroller1", "idScrollMid1",{ Side:"left-up" });

new Scroller("idScroller2", "idScrollMid2",{ Side:"right-down" });

new Scroller("idScroller3", "idScrollMid3",{ Side:"right-up" });

new Scroller("idScroller4", "idScrollMid4",{ Side:"left-up" });

new Scroller("idScroller5", "idScrollMid5",{ Side:"right-up" });

new Scroller("idScroller6", "idScrollMid6",{ Side:"left-down" });

new Scroller("idScroller7", "idScrollMid7",{ Side:"right-down" });

new Scroller("idScroller8", "idScrollMid8",{ Side:"right-down" });

new Scroller("idScroller9", "idScrollMid9",{ Side:"left-down" });

new Scroller("idScroller10", "idScrollMid10",{ Side:"right-up" });

new Scroller("idScroller11", "idScrollMid11",{ Side:"left-up" });

}

</script>

<style>

*{margin:0px; padding:0px;}

.Scroller {line-height:50px;overflow:hidden; border:1px solid #000000;}

.ScrollMid {float:left;}

.ScrollMid ul{width:250px;float:left;overflow:hidden;}

.ScrollMid li{list-style:none;}

.Scroller2 {overflow:hidden;float:left;}

.ScrollMid2 {float:left;}

.ScrollMid2 ul{width:100px;height:100px;float:left;overflow:hidden;}

.ScrollMid2 li{list-style:none; width:100px; height:100px;}

</style>

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</body>

</html>

刚做出来
不太完善
效果请看

posted @ 2008-04-29 17:50 cloudgamer 阅读(13485) 评论(14) 编辑收藏举报

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公告

这里的js文章基本上是原创或改进版本，都是心血结晶。
欢迎转载，并注明出处，共同学习。
望各位多多支持，多多留言。

谢绝索要效果代码！

ps:不锈钢水槽

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JavaScript 无缝八向滚动(兼容ie/ff)

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