js获取当前日期，然后根据当前日期获取到上周周一跟周五的日期，并格式化日期yyyy-MM-dd

JavaScript08

js获取当前日期，然后根据当前日期获取到上周周一跟周五的日期，并格式化日期yyyy-MM-dd,第1张

获取 日期 时间 星期几

var d = new Date()

var datestr = "今天是: " +d.getFullYear() + "-" +(d.getMonth()+1) + "-" + d.getDate() + " " + d.getHours() + ":" + d.getMinutes() + ":" + d.getSeconds() + " 星期"+"日一二三四五六".charAt(d.getDay())

// 判断闰年

Date.prototype.isLeapYear = function()

{

return (0==this.getYear()%4&&((this.getYear()%100!=0)||(this.getYear()%400==0)))

}

// 日期格式化

// 格式 YYYY/yyyy/YY/yy 表示年份

// MM/M 月份

// W/w 星期

// dd/DD/d/D 日期

// hh/HH/h/H 时间

// mm/m 分钟

// ss/SS/s/S 秒

//---------------------------------------------------

Date.prototype.Format = function(formatStr)

{

var str = formatStr

var Week = ['日','一','二','三','四','五','六']

str=str.replace(/yyyy|YYYY/,this.getFullYear())

str=str.replace(/yy|YY/,(this.getYear() % 100)>9 (this.getYear() % 100).toString():'0' + (this.getYear() % 100))

.......

<%@ 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>

<html>

<head>

<script type="text/javascript">

function showdate()

{

var now=new Date()

var start=new Date()

var end=new Date()

var n=now.getDay()

start.setDate(now.getDate()-n+1)

end.setDate(now.getDate()-n+7)

start = start.getFullYear() + "-" + (start.getMonth()+1) + "-" + start.getDate()

end = end.getFullYear() + "-" + (end.getMonth()+1) + "-" + end.getDate()

alert("本周开始于:"+start+",结束于"+end)

}

</script>

</head>

<body>

<input type="button" onclick="showdate()" value="本周按钮" name="本周按钮">

</body>

</html>