js获取日期:前天、昨天、今天、明天、后天

<html> 
<head> 
<meta http-equiv="Content-Type" content="textml; charset=utf-8"> 
<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"> 
function GetDateStr(AddDayCount) { 
var dd = new Date(); 
dd.setDate(dd.getDate()+AddDayCount);//获取AddDayCount天后的日期 
var y = dd.getFullYear(); 
var m = dd.getMonth()+1;//获取当前月份的日期 
var d = dd.getDate(); 
return y+"-"+m+"-"+d; 
} 
document.write("前天:"+GetDateStr(-2)); 
document.write("<br />昨天:"+GetDateStr(-1)); 
document.write("<br />今天:"+GetDateStr(0)); 
document.write("<br />明天:"+GetDateStr(1)); 
document.write("<br />后天:"+GetDateStr(2)); 
document.write("<br />大后天:"+GetDateStr(3)); 
</script> 

</body> 
<ml> 

 

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