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生日日期选择器

时间：2012-08-19 11:52 来源：未知作者：后浪收藏推荐

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<meta name="Author" content="Jiang Hongbin">
<title>日期选择 - BY ziyue</title>
<script language="JavaScript" type="text/JavaScript">
// 日期选择
// By Ziyue(http://www.web-v.com/)
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='#6699CC';
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;
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 - 35; intLoop < (thisyear + 2); 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();
}

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