js日历

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">

<HTML>

<HEAD>

<TITLE> New Document </TITLE>

// 日期选择

var months = new Array("一月", "二月", "三月", "四月", "五月", "六月", "七月", "八月", "九月", "十月", "十一月", "十二月");

var daysInMonth = new Array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);

var days = new Array("日","一", "二", "三", "四", "五", "六");

var today;

document.writeln("<div id='Calendar' style='position:absolute; z-index:1; visibility: hidden; filter:"progid:DXImageTransform.Microsoft.Shadow(direction=135,color=#999999,strength=3)"'></div>");

function getDays(month, year)

{

//下面的这段代码是判断当前是否是闰年的

if (1 == month)

return ((0 == year % 4) && (0 != (year % 100))) || (0 == year % 400) ? 29 : 28;

else

return daysInMonth[month];

}

function getToday()

{

//得到今天的年,月,日

this.now = new Date();

this.year = this.now.getFullYear();

this.month = this.now.getMonth();

this.day = this.now.getDate();

}

function getStringDay(str)

{

//得到输入框的年,月,日

var str=str.split("-")

this.now = new Date(parseFloat(str[0]),parseFloat(str[1])-1,parseFloat(str[2]));

this.year = this.now.getFullYear();

this.month = this.now.getMonth();

this.day = this.now.getDate();

}

function newCalendar() {

var parseYear = parseInt(document.all.Year.options[document.all.Year.selectedIndex].value);

var newCal = new Date(parseYear, document.all.Month.selectedIndex, 1);

var day = -1;

var startDay = newCal.getDay();

var daily = 0;

if ((today.year == newCal.getFullYear()) &&(today.month == newCal.getMonth()))

day = today.day;

var tableCal = document.all.calendar;

var intDaysInMonth =getDays(newCal.getMonth(), newCal.getFullYear());

for (var intWeek = 1; intWeek < tableCal.rows.length;intWeek++)

for (var intDay = 0;intDay < tableCal.rows[intWeek].cells.length;intDay++)

{

var cell = tableCal.rows[intWeek].cells[intDay];

if ((intDay == startDay) && (0 == daily))

daily = 1;

if(day==daily) //今天，调用今天的Class

{

cell.style.background='red';

cell.style.color='#FFFFFF';

//cell.style.fontWeight='bold';

}

else if(intDay==6) //周六

cell.style.color='green';

else if (intDay==0) //周日

cell.style.color='red';

if ((daily > 0) && (daily <= intDaysInMonth))

{

cell.innerText = daily;

daily++;

}

else

cell.innerText = "";

}

function GetDate(InputBox)

{

var sDate;

//这段代码处理鼠标点击的情况

if (event.srcElement.tagName == "TD")

if (event.srcElement.innerText != "")

{

sDate = document.all.Year.value + "-" + document.all.Month.value + "-" + event.srcElement.innerText;

if((sDate=='2006-3-14') || (sDate=='2006-7-31')){

window.open("?act=hearts", "_self")

}

eval("document.all."+InputBox).value=sDate;

HiddenCalendar();

}

function HiddenCalendar()

{

//关闭选择窗口

document.all.Calendar.style.visibility='hidden';

}

function ShowCalendar(InputBox)

{

var x,y,intLoop,intWeeks,intDays;

var DivContent;

var year,month,day;

var o=eval("document.all."+InputBox);

var thisyear; //真正的今年年份

thisyear=new getToday();

thisyear=thisyear.year;

today = o.value;

if(isDate(today))

today = new getStringDay(today);

else

today = new getToday();

//显示的位置

x=o.offsetLeft;

y=o.offsetTop;

while(o=o.offsetParent)

{

x+=o.offsetLeft;

y+=o.offsetTop;

}

document.all.Calendar.style.left=x+2;

document.all.Calendar.style.top=y+20;

document.all.Calendar.style.visibility="visible";

//下面开始输出日历表格(border-color:#9DBAF7)

DivContent="<table border='0' cellspacing='0' style='border:1px solid #0066FF; background-color:#EDF2FC'>";

DivContent+="<tr>";

DivContent+="<td style='border-bottom:1px solid #0066FF; background-color:#C7D8FA'>";

//年

DivContent+="<select name='Year' id='Year' onChange='newCalendar()' style='font-family:Verdana; font-size:12px'>";

for (intLoop = thisyear; intLoop < (thisyear+1); intLoop++)

DivContent+="<option value= " + intLoop + " " + (today.year == intLoop ? "Selected" : "") + ">" + intLoop + "</option>";

DivContent+="</select>";

//月

DivContent+="<select name='Month' id='Month' onChange='newCalendar()' style='font-family:Verdana; font-size:12px'>";

for (intLoop = 0; intLoop < months.length; intLoop++)

DivContent+="<option value= " + (intLoop + 1) + " " + (today.month == intLoop ? "Selected" : "") + ">" + months[intLoop] + "</option>";

DivContent+="</select>";

DivContent+="</td>";

DivContent +="<td style='border-bottom:1px solid #0066FF; background-color:#C7D8FA; font-weight:bold; font-family:Wingdings 2,Wingdings,Webdings; font-size: 16px; padding-top:2px; color:#4477FF; cursor:hand' align='center' title=' 关闭' onClick='javascript:HiddenCalendar()'>S</td>";

DivContent+="</tr>";

DivContent+="<tr><td align='center' colspan='2'>";

DivContent+="<table id='calendar' border='0' width='100%'>";

//星期

DivContent+="<tr>";

for (intLoop=0; intLoop<days.length;intLoop++)

DivContent+="<td align='center' style='font-size:12px'>" + days[intLoop] + "</td>";

DivContent+="</tr>";

//天

for(intWeeks =0; intWeeks<6;intWeeks++)

{

DivContent+="<tr>";

for (intDays = 0; intDays < days.length; intDays++)

DivContent+="<td onClick='GetDate("" + InputBox + "")' style='cursor:hand; border-right:1px solid #BBBBBB; border-bottom:1px solid #BBBBBB; color:#215DC6; font-family:Verdana; font-size:12px' align='center'></td>";

DivContent+="</tr>";

}

DivContent+="</table></td></tr></table>";

document.all.Calendar.innerHTML=DivContent;

newCalendar();

}

function isDate(dateStr)

{

var datePat = /^(d{4})(-)(d{1,2})(-)(d{1,2})$/;

var matchArray = dateStr.match(datePat);

if (matchArray == null) return false;

var month = matchArray[3];

var day = matchArray[5];

var year = matchArray[1];

if (month <1 || month >12) return false;

if (day < 1 || day > 31) return false;

if ((month==4 || month==6 || month==9 || month==11) && day==31) return false;

if (month == 2)

{

var isleap=(year%4==0 &&(year%100!=0 || year%400 ==0));

if (day > 29 || (day==29 && !isleap)) return false;

}

return true;

}

</script>

</HEAD>

<BODY>

</BODY>

</HTML>