<html> <head> </head> <body> <script> var objdate = new Date(); var year = objdate.getFullYear() var month = objdate.getMonth()+1 var Date = objdate.getDate() var day = objdate.getDay() switch(day){ case 0: day="星期一" break; case 1: day="星期二" break; case 2: day="星期三" break; case 3: day="星期四" break; case 4: day="星期五" break; case 5: day="星期六" break; case 6: day="星期天" break; } document.write("今天是"+year+"年 "+month+"月 "+Date+"日 "+day) </script> </body> </html> 这个是当前日期,没有润年的判断,也许对你有帮助
function changeDay(selYear,selMon){ var d_start = new Date(selYear, selMon-1, 1); var d_end = new Date(selYear, selMon, 1); var r = (d_end - d_start)/(1000 * 60 * 60 * 24); return r; }
function getYearMonthDayNum(year,month){ var dayNum = [31,28,31,30,31,30,31,31,30,31,30,31]; if(new Date(year,1,29).getDate()==29){ dayNum[1] = 29; } return dayNum[month-1]; }
// 根据年、月返回天数 function GetDay(varYear, varMonth) { var lngDay
<head>
</head>
<body>
<script>
var objdate = new Date();
var year = objdate.getFullYear()
var month = objdate.getMonth()+1
var Date = objdate.getDate()
var day = objdate.getDay()
switch(day){
case 0:
day="星期一"
break;
case 1:
day="星期二"
break;
case 2:
day="星期三"
break;
case 3:
day="星期四"
break;
case 4:
day="星期五"
break;
case 5:
day="星期六"
break;
case 6:
day="星期天"
break;
}
document.write("今天是"+year+"年 "+month+"月 "+Date+"日 "+day)
</script>
</body>
</html>
这个是当前日期,没有润年的判断,也许对你有帮助
var d_start = new Date(selYear, selMon-1, 1);
var d_end = new Date(selYear, selMon, 1);
var r = (d_end - d_start)/(1000 * 60 * 60 * 24);
return r;
}
var dayNum = [31,28,31,30,31,30,31,31,30,31,30,31];
if(new Date(year,1,29).getDate()==29){
dayNum[1] = 29;
}
return dayNum[month-1];
}
function GetDay(varYear, varMonth)
{
var lngDay
varYear = parseInt(varYear)
varMonth = parseInt(varMonth)
switch (varMonth) {
case 1 :
case 3 :
case 5 :
case 7 :
case 8 :
case 10 :
case 12 :
lngDay = 31
break
case 4 :
case 6 :
case 9 :
case 11 :
lngDay = 30
break
case 2 :
if ((varYear % 4 == 0 && varYear % 100 != 0) || (varYear % 400 == 0))
lngDay = 29
else
lngDay = 28
break
} // switch
return lngDay
}
function changeDay(selYear,selMon) {
return new Date(selYear,selMon,0).getDate();
}alert(changeDay(2001,2))</script>