<script
type="text/javascript">
function
getNumOfWeeks(year){
var
d=new
Date(year,0,1)
var
yt=(
(
year%4==0
&&
year%100!=0)
||
year%400==0)?
366:365
return
Math.ceil((yt-d.getDay())/7.0)
}
var
a=[2012,2011,2000,
1900]
for(var
i
in
a){
document.write(a[i]+"年有"+getNumOfWeeks(a[i])+"周<br/>")
}
</script>
2012年有53周
2011年有52周
2000年有52周
1900年有52周
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
" http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/htmlcharset=utf-8">
<title>无标题文档</title>
</head>
<script language="javascript">
function setWeekTime(weekTime){
var time=new Array()
if(weekTime=='last'){
time=getLastWeekDate()
}
if(weekTime=='this'){
time=getThisWeekDate() }
if(weekTime=='next'){
time=getNextWeekDate() }
form1.monday.value=time[0]
form1.tuesday.value=time[1]
form1.wednesday.value=time[2]
form1.thursday.value=time[3]
form1.friday.value=time[4]
form1.saturday.value=time[5]
form1.sunday.value=time[6]}
//获得本周的周一和周末
function getThisWeekDate(){
var now = new Date()
var week=new Array()
var currentWeek = now.getDay()
if ( currentWeek == 0 )
{
currentWeek = 7
} var monday = now.getTime() - (currentWeek-1)*24*60*60*1000 //星期一
var tuesday = now.getTime() - (currentWeek-2)*24*60*60*1000//星期二
var wednesday = now.getTime() - (currentWeek-3)*24*60*60*1000//星期三
var thursday = now.getTime() - (currentWeek-4)*24*60*60*1000//星期四
var friday = now.getTime() - (currentWeek-5)*24*60*60*1000//星期五
var saturday = now.getTime() - (currentWeek-6)*24*60*60*1000//星期六
var sunday = now.getTime() + (7-currentWeek)*24*60*60*1000 //星期日
week=weektoday(monday,tuesday,wednesday,thursday,friday,saturday,sunday)
return week
}
//获得上周的周一和周末
function getLastWeekDate(){
var now = new Date()
var week=new Array()
var currentWeek = now.getDay()
if ( currentWeek == 0 )
{
currentWeek = 7
}
var monday = now.getTime() - (currentWeek+6)*24*60*60*1000//星期一
var tuesday = now.getTime() - (currentWeek+5)*24*60*60*1000//星期二
var wednesday = now.getTime() - (currentWeek+4)*24*60*60*1000//星期三
var thursday = now.getTime() - (currentWeek+3)*24*60*60*1000//星期四
var friday = now.getTime() - (currentWeek+2)*24*60*60*1000//星期五
var saturday = now.getTime() - (currentWeek+1)*24*60*60*1000//星期六
var sunday = now.getTime() - (currentWeek)*24*60*60*1000 //星期日
week=weektoday(monday,tuesday,wednesday,thursday,friday,saturday,sunday)
return week
}
//获得下周的周一至周末
function getNextWeekDate(){
var now = new Date()
var week=new Array()
var currentWeek = now.getDay()
if ( currentWeek == 0 )
{
currentWeek = 7
}
var monday = now.getTime() - (currentWeek-8)*24*60*60*1000 //星期一
var tuesday= now.getTime() - (currentWeek-9)*24*60*60*1000 //星期二
var wednesday = now.getTime() - (currentWeek-10)*24*60*60*1000//星期三
var thursday = now.getTime() - (currentWeek-11)*24*60*60*1000//星期四
var friday= now.getTime() - (currentWeek-12)*24*60*60*1000//星期五
var saturday = now.getTime() - (currentWeek-13)*24*60*60*1000//星期六
var sunday = now.getTime() - (currentWeek-14)*24*60*60*1000//星期日
week=weektoday(monday,tuesday,wednesday,thursday,friday,saturday,sunday)
return week
}
function weektoday(monday,tuesday,wednesday,thursday,friday,saturday,sunday){ var days=new Array()var monday1 = new Date(monday).toLocaleDateString()//星期一
var tuesday1= new Date(tuesday).toLocaleDateString()//星期二
var wednesday1 = new Date(wednesday).toLocaleDateString()//星期三
var thursday1 = new Date(thursday).toLocaleDateString()//星期四
var friday1= new Date(friday).toLocaleDateString()//星期五
var saturday1 =new Date(saturday).toLocaleDateString()//星期六
var sunday1 = new Date(sunday).toLocaleDateString()//星期日
var new_monday=changeTime(monday1)
var new_tuesday=changeTime(tuesday1)
var new_wednesday=changeTime(wednesday1)
var new_thursday=changeTime(thursday1)
var new_friday=changeTime(friday1)
var new_saturday=changeTime(saturday1)
var new_sunday=changeTime(sunday1)days[0]=new_monday
days[1]=new_tuesday
days[2]=new_wednesday
days[3]=new_thursday
days[4]=new_friday
days[5]=new_saturday
days[6]=new_sunday
return days}//日期转换(2005年1月1日===>2005-1-01)
function changeTime(str){
var curYear = str.substring(0,str.indexOf('年'))
var curMonth =str.substring(str.indexOf('年')+1,str.indexOf('月'))
var curDay =str.substring(str.indexOf('月')+1,str.indexOf('日'))
if (curMonth<10){
curMonth="0"+curMonth
}
if(curDay<10){
curDay="0"+curDay
}
var returnDate = curYear+"-"+curMonth+"-"+curDay
return returnDate
}
</script>
<body>
<form name="form1">
<table>
<tr>
<td>星期一</td>
<td><input type="text" value="" name="monday"></td>
<td>星期二</td>
<td><input type="text" value="" name="tuesday"></td>
<td>星期三</td>
<td><input type="text" value="" name="wednesday"></td>
</tr>
<tr>
<td>星期四</td>
<td><input type="text" value="" name="thursday"></td>
<td>星期五</td>
<td><input type="text" value="" name="friday"></td>
<td>星期六</td>
<td><input type="text" value="" name="saturday"></td>
</tr>
<tr>
<td>星期日</td>
<td><input type="text" value="" name="sunday"></td>
</tr>
</table>
<table>
<tr>
<td><input type="button" value="本周" onClick="setWeekTime('this')"></td>
<td><input type="button" value="上周" onClick="setWeekTime('last')"></td>
<td><input type="button" value="下周" onClick="setWeekTime('next')"></td> </tr>
</table>
</form>
</body>
</html>
