JS 获取将来时间-JavaSript-爱易网页

JS 获取将来时间

日期：2014-05-16　浏览次数：20375 次

JS 获取未来时间

<html> 
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=gb2312"> 
<title>js获取日期：前天、昨天、今天、明天、后天</title> 
</head> 

<body> 
<script language="JavaScript" type="text/javascript"> 
Date.prototype.DateAdd = function(strInterval, Number) 
{ 
var dtTmp = this; 
switch (strInterval) { 
case 's' :return new Date(Date.parse(dtTmp) + (1000 * Number)); 
case 'n' :return new Date(Date.parse(dtTmp) + (60000 * Number)); 
case 'h' :return new Date(Date.parse(dtTmp) + (3600000 * Number)); 
case 'd' :return new Date(Date.parse(dtTmp) + (86400000 * Number)); 
case 'w' :return new Date(Date.parse(dtTmp) + ((86400000 * 7) * Number)); 
case 'q' :return new Date(dtTmp.getFullYear(), (dtTmp.getMonth()) + Number*3, dtTmp.getDate(), dtTmp.getHours(), dtTmp.getMinutes(), dtTmp.getSeconds()); 
case 'm' :return new Date(dtTmp.getFullYear(), (dtTmp.getMonth()) + Number, dtTmp.getDate(), dtTmp.getHours(), dtTmp.getMinutes(), dtTmp.getSeconds()); 
case 'y' :return new Date((dtTmp.getFullYear() + Number), dtTmp.getMonth(), dtTmp.getDate(), dtTmp.getHours(), dtTmp.getMinutes(), dtTmp.getSeconds()); 
} 
} 

function GetDateStr2(AddDayCount) 
{ 
var dd = new Date(); 
ddd = dd.DateAdd('d',AddDayCount);//三天后 
var y = ddd.getFullYear(); 
var m = ddd.getMonth()+1;//获取当前月 
var d = ddd.getDate(); 
return y+"-"+m+"-"+d; 
} 


document.write("前天："+GetDateStr2(-2)); 
document.write("<br />昨天："+GetDateStr2(-1)); 
document.write("<br />今天："+GetDateStr2(0)); 
document.write("<br />明天："+GetDateStr2(1)); 
document.write("<br />后天："+GetDateStr2(2)); 
document.write("<br />大后天："+GetDateStr2(3)); 

</script> 

</body> 
</html>