文字逐个出现，就好象打字机打字一样
在网页<body>区显示效果的地方添加以下代码
<SCRIPT language=JAVAscript>
/*****************************************************
* Share JavaScript (http://www.ShareJS.com)
* 使用此脚本程序，请保留此声明
* 获取此脚本以及更多的JavaScript程序，请访问 http://www.ShareJS.com
******************************************************/
// ------ 定义全局变量
var theNewsNum;
var theAddNum;
var totalNum;
var CurrentPosion=0;
var theCurrentNews;
var theCurrentLength;
var theNewsText;
var theTargetLink;
var theCharacterTimeout;
var theNewsTimeout;
var theBrowserVersion;
var theWidgetOne;
var theWidgetTwo;
var theSpaceFiller;
var theLeadString;
var theNewsState;
function startTicker(){
// ------ 设置初始数值
theCharacterTimeout = 50;//字符间隔时间
theNewsTimeout = 2000;//新闻间隔时间
theWidgetOne = "_";//新闻前面下标符1
theWidgetTwo = "-";//新闻前面下标符
theNewsState = 1;
theNewsNum = document.getElementById("incoming").children.AllNews.children.length;//新闻总条数
theAddNum = document.getElementById("incoming").children.AddNews.children.length;//补充条数
totalNum =theNewsNum+theAddNum;
theCurrentNews = 0;
theCurrentLength = 0;
theLeadString = " ";
theSpaceFiller = " ";
runTheTicker();
}
// --- 基础函数
function runTheTicker(){
if(theNewsState == 1){
if(CurrentPosion<theNewsNum){
setupNextNews();
}
else{
setupAddNews();
}
CurrentPosion++;
if(CurrentPosion>=totalNum||CurrentPosion>=1){
CurrentPosion=0;//最多条数不超过num_gun条
}
}
if(theCurrentLength != theNewsText.length){
drawNews();
}
else{
closeOutNews();
}
}
// --- 跳转下一条新闻
function setupNextNews(){
theNewsState = 0;
theCurrentNews = theCurrentNews % theNewsNum;
theNewsText = document.getElementById("AllNews").children[theCurrentNews].children.Summary.innerText;
theTargetLink = document.getElementById("AllNews").children[theCurrentNews].children.Summary.children[0].href;
theCurrentLength = 0;
document.all.hottext.href = theTargetLink;
theCurrentNews++;
}
function setupAddNews() {
theNewsState = 0;
theCurrentNews = theCurrentNews % theAddNum;
theNewsText = document.getElementById("AllNews").children[theCurrentNews].children.Summary.innerText;
theTargetLink = document.getElementById("AllNews").children[theCurrentNews].children.Summary.children[0].href;
theCurrentLength = 0;
document.all.hottext.href = theTargetLink;
theCurrentNews++;
}
// --- 滚动新闻
function drawNews(){
var myWidget;
if((theCurrentLength % 2) == 1){
myWidget = theWidgetOne;
}
else{
myWidget = theWidgetTwo;
}
document.all.hottext.innerHTML = theLeadString + theNewsText.substring(0,theCurrentLength) + myWidget + theSpaceFiller;
theCurrentLength++;
setTimeout("runTheTicker()", theCharacterTimeout);
}
// --- 结束新闻循环
function closeOutNews(){
document.all.hottext.innerHTML = theLeadString + theNewsText + theSpaceFiller;
theNewsState = 1;
setTimeout("runTheTicker()", theNewsTimeout);
}
window.onload=startTicker;
</SCRIPT>
<a href="" id="hottext"></a>
<div id=incoming style="DISPLAY: none;float:left">
<div id=AllNews >
<div id=0>
<div id="Summary" style="border:1px solid red">
<a href="http://www.sharejs.com" target="_blank"><font><b>欢迎访问ShareJS.com，分享JavaScript的快乐</b></font></a>
</div>
<div id=NewsLink ></div>
</div>
</div>
<div id=AddNews height="25"></div>
</div>
