纯JS的基于静态站点服务器时间 [无依赖] 的倒计时程序(Ajax应用)
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img{vertical-align:middle;margin:0px;}
#ad{ background:#016CA4;}
th{
background:#35528E url([img]http://www.dhooo.com/web/images/caption.jpg[/img]) repeat-y 100% 0;
color:#fff;padding:10px;
margin:1px;
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#web,#locale{
border:2px solid inset;background:#000;
color: #00FFFF;font-weight:bold;
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#diff{color:red}
</style>
<body>
<table border=0 cellspacing="3" cellpadding="5" align=center>
<th colspan='4' align="left"><div> <span style="color:#FFCC33">◆ </span>爱无忧，爱果果，爱JavaScript</div></caption>
<tr><td colspan='4' id="ad" align=right><img src="http://img.alimama.cn/a/2008-10-26/109733430002081026005231.gif" align=right></td></tr>
<tr><td rowspan='4' style="width:10px;overflow:hidden;backgound:url()">
<img src="http://bbs.51js.com/images/avatars/16.gif" border=0 align=right></td>
<td><img src="http://bbs.51js.com/images/smilies/time.gif" /> 无忧服务器的时间：</td><td id='web'><div>loading
</div></td></tr><tr><td><img src="http://bbs.51js.com/images/smilies/time.gif" /> 大哥您本地的时间:</td><td id="locale">loading
</td></tr><tr><td>离2010年还有</td><td id="ooxx"> </td></tr>
<tr><td>伪标准时差</td><td id="diff"> </td></tr>
</table>
</body>
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window.XMLHttpRequest=function(){
var $=['Microsoft.XMLHTTP','Msxml2.XMLHTTP'];
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webDate=function(fn){
var QQ=new XMLHttpRequest();
QQ.onreadystatechange=function(){QQ.readyState==4&&(fn(new Date(QQ.getResponseHeader('Date'))))};
QQ.open('HEAD', '/?_='+(-new Date));
QQ.send(null);
}
window.time=new Date();
targetTime=new Date('2010/1/1');
time2String=function (t){
with(t)return [getFullYear(),'年'
,('0'+(getMonth()+1)).slice(-2),'月'
,('0'+getDate()).slice(-2),'日 '
,('0'+getHours()).slice(-2),': '
,('0'+getMinutes()).slice(-2),': '
,('0'+getSeconds()).slice(-2)].join('')
}
int2time=function (m){
m-=(D=parseInt(m/86400000))*86400000;
m-=(H=parseInt(m/3600000))*3600000;
S=parseInt((m-=(M=parseInt(m/60000))*60000)/1000);
return D+'天'+H+'小时'+M+'分'+S+'秒'
}
setInterval(function (){
webDate(function (webTime){
$('web').innerHTML=time2String(time=webTime);
})
$('locale').innerHTML=time2String(new Date);
$('diff').innerHTML=Math.abs(new Date()-time-1000)+'毫秒'
$('ooxx').innerHTML=int2time(targetTime-time);
},1000)
</script>
</html>
