jQuery实现公告文字左右滚动

<!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">

<head>

<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />

<title>jQuery公告文字左右滚动效果-www.jbxue.com</title>

<style type="text/css">

#scrollText {

width: 400px;

margin-right: auto;

margin-left: auto;

}

</style>

</head>

<script type="text/javascript" src="/source/js/jquery-1.6.2.min.js"></script>

<script type="text/javascript">

var ScrollTime;

function ScrollAutoPlay(contID,scrolldir,showwidth,textwidth,steper){

var PosInit,currPos;

with($('#'+contID)){

currPos = parseInt(css('margin-left'));

if(scrolldir=='left'){

if(currPos<0 && Math.abs(currPos)>textwidth){

css('margin-left',showwidth);

}

else{

css('margin-left',currPos-steper);

}

}

else{

if(currPos>showwidth){

css('margin-left',(0-textwidth));

}

else{

css('margin-left',currPos-steper);

}

}

}

}

//--------------------------------------------左右滚动效果----------------------------------------------

/*

AppendToObj: 显示位置(目标对象)

ShowHeight: 显示高度

ShowWidth: 显示宽度

ShowText: 显示信息

ScrollDirection: 滚动方向(值:left、right)

Steper: 每次移动的间距(单位:px;数值越小,滚动越流畅,建议设置为1px)

Interval: 每次执行运动的时间间隔(单位:毫秒;数值越小,运动越快)

*/

function ScrollText(AppendToObj,ShowHeight,ShowWidth,ShowText,ScrollDirection,Steper,Interval){

var TextWidth,PosInit,PosSteper;

with(AppendToObj){

html('');

css('overflow','hidden');

css('height',ShowHeight+'px');

css('line-height',ShowHeight+'px');

css('width',ShowWidth);

}

if (ScrollDirection=='left'){

PosInit = ShowWidth;

PosSteper = Steper;

}

else{

PosSteper = 0 - Steper;

}

if(Steper<1 || Steper>ShowWidth){Steper = 1}//每次移动间距超出限制(单位:px)

if(Interval<1){Interval = 10}//每次移动的时间间隔(单位:毫秒)

var Container = $('<div></div>');

var ContainerID = 'ContainerTemp';

var i = 0;

while($('#'+ContainerID).length>0){

ContainerID = ContainerID + '_' + i;

i++;

}

with(Container){

attr('id',ContainerID);

css('float','left');

css('cursor','default');

appendTo(AppendToObj);

html(ShowText);

TextWidth = width();

if(isNaN(PosInit)){PosInit = 0 - TextWidth;}

css('margin-left',PosInit);

mouseover(function(){

clearInterval(ScrollTime);

});

mouseout(function(){

ScrollTime = setInterval("ScrollAutoPlay('"+ContainerID+"','"+ScrollDirection+"',"+ShowWidth+','+TextWidth+","+PosSteper+")",Interval);

});

}

ScrollTime = setInterval("ScrollAutoPlay('"+ContainerID+"','"+ScrollDirection+"',"+ShowWidth+','+TextWidth+","+PosSteper+")",Interval);

}

</script>

<script type="text/javascript">

$(document).ready(function(e) {

ScrollText($('#scrollText'),23,400,'欢迎光临脚本学习网!','left',1,20);//滚动字幕

});

</script>

<body>

<div >' + document.getElementById('GoogleADCode').innerHTML + '</div>';

}

</script>

</body>

</html>