javascript版的日期输入控件
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="Microsoft FrontPage 5.0">
<META NAME="Author" CONTENT="zhaoweiwei">
<META NAME="Keywords" CONTENT="birthday_input">
<META NAME="Description" CONTENT="日起输入控件">
<script>
function showdb() file://显示控件/隐藏空间
{
var CurrentDate=new Date();
var CYear=CurrentDate.getFullYear();
var CMonth=CurrentDate.getMonth();
var CDay=CurrentDate.getDay();
var a=document.getElementById("input_birth");
var obj_year=document.getElementById("year"); file://当展开控件时自动取到当前时间（客户端）
obj_year.innerText=CYear;
var obj_month=document.getElementById("month");
obj_month.innerText=CMonth 1;
var s=new Date(CYear,CMonth,1);
var startDay=s.getDay(); file://日期起始数字
var numDays=numberOfDays(CMonth,CYear); file://本月天数
var day=document.getElementsByName("day");
for(var j=1;j<=numDays;j ) file://插入日期
{
day[startDay j-1].innerText=j;
}
if(a.style.visibility=='visible')
{
a.style.visibility='hidden';
}
else
{
a.style.visibility='visible';
}
}
function addyear()
{
var obj_year=document.getElementById("year");
var obj_month=document.getElementById("month");
var num_year=obj_year.innerText;
obj_year.innerText=parseInt(num_year) 1; file://年数增加
displayCalendar(obj_month.innerText-1,obj_year.innerText);
}
function plusyear()
{
var obj_year=document.getElementById("year");
var obj_month=document.getElementById("month");
var num_year=obj_year.innerText;
obj_year.innerText=parseInt(num_year)-1; file://年数减少
displayCalendar(obj_month.innerText-1,obj_year.innerText);
}
function addmonth()
{
var obj_month=document.getElementById("month");
var obj_year=document.getElementById("year");
if(parseInt(obj_month.innerText)>=12) file://月数增加到12时，年数相应增加1，月数从1开始
[color=#FFFFFF'][/color]
{
obj_month.innerText="0";
obj_year=document.getElementById("year");
var num_year=obj_year.innerText;
obj_year.innerText=parseInt(num_year) 1;
}
var num_month=obj_month.innerText;
obj_month.innerText=parseInt(num_month) 1; file://月数增加
displayCalendar(obj_month.innerText-1,obj_year.innerText);
}
function plusmonth()
{
var obj_month=document.getElementById("month");
var obj_year=document.getElementById("year");
if(parseInt(obj_month.innerText)<=1) file://月数减少到1时，年数相应减少1，月数从12开始
{
obj_month.innerText="13";
obj_year=document.getElementById("year");
var num_year=obj_year.innerText;
obj_year.innerText=parseInt(num_year)-1;
}
var num_month=obj_month.innerText;
obj_month.innerText=parseInt(num_month)-1; file://月数减少
[color=#FFFFFF'][/color]
displayCalendar(obj_month.innerText-1,obj_year.innerText);
}
[color=#FFFFFF'][/color]
function numberOfDays(month,year) file://取得每月天数，判断平年闰年
{
var numDays=new Array(31,28,31,30,31,30,31,31,30,31,30,31);
n=numDays[month];
if(month==1&;amp;&;amp;year%4==0) n;
return n;
}
function displayCalendar(month,year)
{
var d=new Date(year,month,1);
var startDay=d.getDay(); file://日期起始数字
var numDays=numberOfDays(month,year); file://本月天数
var day=document.getElementsByName("day");
for(var i=0;i<day.length;i )
{
day.innerText="";
}
for(var j=1;j<=numDays;j ) file://插入日期
{
day[startDay j-1].innerText=j;
}
}
function writeDate(n)
{
document.writeln("<H3 ALIGN='CENTER'>" n "</H3>");
}
function add_day(year,month,day)
{
bd.birthdate.value=year "-" month "-" day;
}
</script>
</HEAD>
[color=#FFFFFF'][/color]
<BODY>
<form name="bd">
<input type="text" name="birthdate" size="20" readOnly><input type="button" value="..." >
</form>
<div id="input_birth" name="input_birth" style="visibility:hidden; width:239; height:128">
<table border="0" cellpadding="0" cellspacing="0" style="border-collapse: collapse" style="cursor:hand" bordercolor="#111111" width="100%" height="26">
<tr>
< td width="100%" colspan="3" height="26">&;amp;nbsp;&;amp;nbsp; <input type="button" value="&;amp;lt;&;amp;lt;" name="plusyear">
<input type="button" value="&;amp;lt;" name="plusmonth">&;amp;nbsp; <font id="year">
</font>年<font id="month"></font>月
<input type="button" value="&;amp;gt;" name="addmonth">
<input type="button" value="&;amp;gt;&;amp;gt;" name="addyear" ></td>
</tr>
<tr>
<td width="100%" colspan="3" height="119" valign="top">
<table border="0" cellpadding="0" cellspacing="0" style="border-collapse: collapse" bordercolor="#111111" width="100%">
<tr>
[color=#FFFFFF'][/color]
<td width="14%" align="center"><b><font color="#FF0000">日</font></b></td>
<td width="14%" align="center"><b>一</b></td>
<td width="14%" align="center"><b>二</b></td>
<td width="14%" align="center"><b>三</b></td>
<td width="14%" align="center"><b>四</b></td>
<td width="15%" align="center"><b>五</b></td>
<td width="15%" align="center"><b><font color="#FF0000">六</font></b></td>
</tr>
<tr>
<td width="14%" align="center" id="day" ></td>
[color=#FFFFFF'][/color]
<td width="14%" align="center" id="day" > </td>
<td width="14%" align="center" id="day" > </td>
<td width="14%" align="center" id="day" > </td>
<td width="14%" align="center" id="day" > </td>
<td width="15%" align="center" id="day" > </td>
<td width="15%" align="center" id="day" > </td>
</tr>
<tr>
<td width="14%" align="center" id="day" > </td>
<td width="14%" align="center" id="day" > </td>
<td width="14%" align="center" id="day" > </td>
<td width="14%" align="center" id="day" > </td>
<td width="14%" align="center" id="day" > </td>
<td width="15%" align="center" id="day" > </td>
<td width="15%" align="center" id="day" > </td>
</tr>
<tr>
<td width="14%" align="center" id="day" > </td>
<td width="14%" align="center" id="day" > </td>
<td width="14%" align="center" id="day" > </td>
<td width="14%" align="center" id="day" > </td>
<td width="14%" align="center" id="day" > </td>
<td width="15%" align="center" id="day" > </td>
<td width="15%" align="center" id="day" > </td>
</tr>
<tr>
<td width="14%" align="center" id="day" > </td>
<td width="14%" align="center" id="day" > </td>
<td width="14%" align="center" id="day" > </td>
<td width="14%" align="center" id="day" > </td>
<td width="14%" align="center" id="day" > </td>
[color=#FFFFFF'][/color]
<td width="15%" align="center" id="day" > </td>
<td width="15%" align="center" id="day" > </td>
</tr>
<tr>
<td width="14%" align="center" id="day" > </td>
<td width="14%" align="center" id="day" > </td>
<td width="14%" align="center" id="day" > </td>
<td width="14%" align="center" id="day" > </td>
[color=#FFFFFF'][/color]
<td width="14%" align="center" id="day" > </td>
<td width="15%" align="center" id="day" > </td>
[color=#FFFFFF'][/color]
<td width="15%" align="center" id="day" > </td>
</tr>
<tr>
<td width="14%" align="center" id="day" > </td>
<td width="14%" align="center" id="day" > </td>
<td width="14%" align="center" id="day" > </td>
<td width="14%" align="center" id="day" > </td>
<td width="14%" align="center" id="day" > </td>
<td width="15%" align="center" id="day" > </td>
<td width="15%" align="center" id="day" > </td>
</tr>
</table>
</td>
</tr>
<tr>
<td width="33%" height="1"></td>
<td width="33%" height="1"></td>
<td width="34%" height="1"></td>
</tr>
</table>
</div>
</BODY>
</HTML>
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