关于实现选择年月日的问题！！急急急

不太懂什么意思。
应该是属于前台工作吧，javascript应该就够了。
不太清楚楼主要的效果，这时以前我用的一个很简单的点击日历自动填写日期的代码，不知道能用得上不？
有JS和PHP两种写法，楼主看看区别吧。JS还可以用window.myCalendar来做<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>Canlender--JavaScript</title>
<style>
td {
font-family: Arial, Helvetica, sans-serif;
font-size: 12px;
}</style></head>
<body>
<table border="0" cellpadding="0" cellspacing="0" width="180">
<tr><td id=cc>
</td></tr></table>
</body>
<script language="JavaScript">
function RunNian(The_Year)
{
if ((The_Year%400==0) || ((The_Year%4==0) && (The_Year%100!=0)))
  return true;
else
  return false;
}
function GetWeekday(The_Year,The_Month)
{

var Allday;
Allday = 0;
if (The_Year>2000)
{

  for (i=2000 ;i<The_Year; i++)
   if (RunNian(i))
    Allday += 366;
   else
    Allday += 365;
  for (i=2; i<=The_Month; i++)
  {
   switch (i)
   {
    case 2 :
     if (RunNian(The_Year))
      Allday += 29;
     else
      Allday += 28;
     break;
    case 3 : Allday += 31; break;
    case 4 : Allday += 30; break;
    case 5 : Allday += 31; break;
    case 6 : Allday += 30; break;
    case 7 : Allday += 31; break;
    case 8 : Allday += 31; break;
    case 9 : Allday += 30; break;
    case 10 : Allday += 31; break;
    case 11 : Allday += 30; break;
    case 12 :  Allday += 31; break;

   }

  }
}

return (Allday+6)%7;
}function chooseday(The_Year,The_Month,The_Day)
{
var Firstday;
var completely_date;
if (The_Day!=0)
  completely_date = The_Year + "-" + The_Month + "-" + The_Day;
else
  completely_date = "No Choose";
//showdate 只是一个为了显示而采用的东西，
//如果外部想引用这里的时间，可以通过使用 completely_date引用完整日期
//也可以通过The_Year,The_Month,The_Day分别引用年，月，日
//当进行月份和年份的选择时，认为没有选择完整的日期
showdate.innerText = completely_date;
Firstday = GetWeekday(The_Year,The_Month);
ShowCalender(The_Year,The_Month,The_Day,Firstday);

}function nextmonth(The_Year,The_Month)
{
if (The_Month==12)
  chooseday(The_Year+1,1,0);
else
  chooseday(The_Year,The_Month+1,0);
}function prevmonth(The_Year,The_Month)
{
if (The_Month==1)
  chooseday(The_Year-1,12,0);
else
  chooseday(The_Year,The_Month-1,0);
}function prevyear(The_Year,The_Month)
{
chooseday(The_Year-1,The_Month,0);
}function nextyear(The_Year,The_Month)
{
chooseday(The_Year+1,The_Month,0);
}  function ShowCalender(The_Year,The_Month,The_Day,Firstday)
{ var showstr;
var Month_Day;
var ShowMonth;
var today;
today = new Date();

switch (The_Month)
{
  case 1 : ShowMonth = "January"; Month_Day = 31; break;
  case 2 :
   ShowMonth = "February";
   if (RunNian(The_Year))
    Month_Day = 29;
   else
    Month_Day = 28;
   break;
  case 3 : ShowMonth = "March"; Month_Day = 31; break;
  case 4 : ShowMonth = "April"; Month_Day = 30; break;
  case 5 : ShowMonth = "May"; Month_Day = 31; break;
  case 6 : ShowMonth = "June"; Month_Day = 30; break;
  case 7 : ShowMonth = "July"; Month_Day = 31; break;
  case 8 : ShowMonth = "August"; Month_Day = 31; break;
  case 9 : ShowMonth = "September"; Month_Day = 30; break;
  case 10 : ShowMonth = "October"; Month_Day = 31; break;
  case 11 : ShowMonth = "November"; Month_Day = 30; break;
  case 12 : ShowMonth = "December"; Month_Day = 31; break;

}

showstr = "";
showstr = "<Table cellpadding=0 cellspacing=0 border=1 bordercolor=#999999 width=95% align=center valign=top>";
showstr +=  "<tr><td width=0 style='cursor:hand' onclick=prevyear("+The_Year+"," + The_Month + ")><<</td><td width=0> " + The_Year + " </td><td width=0 onclick=nextyear("+The_Year+","+The_Month+")  style='cursor:hand'>>></td><td width=0 style='cursor:hand' onclick=prevmonth("+The_Year+","+The_Month+")><<</td><td width=100 align=center>" + ShowMonth + "</td><td width=0 onclick=nextmonth("+The_Year+","+The_Month+")  style='cursor:hand'>>></td></tr>";
showstr +=  "<tr><td align=center width=100% colspan=6>";
showstr +=  "<table cellpadding=0 cellspacing=0 border=1 bordercolor=#999999 width=100%>";
showstr += "<Tr align=center bgcolor=#999999> ";
    showstr += "<td><strong><font color=#0000CC>日</font></strong></td>";
    showstr += "<td><strong><font color=#0000CC>一</font></strong></td>";
    showstr += "<td><strong><font color=#0000CC>二</font></strong></td>";
    showstr += "<td><strong><font color=#0000CC>三</font></strong></td>";
    showstr += "<td><strong><font color=#0000CC>四</font></strong></td>";
    showstr += "<td><strong><font color=#0000CC>五</font></strong></td>";
    showstr += "<td><strong><font color=#0000CC>六</font></strong></td>";
showstr += "</Tr><tr>";

for (i=1; i<=Firstday; i++)
  showstr += "<Td align=center bgcolor=#CCCCCC> </Td>";

for (i=1; i<=Month_Day; i++)
{
  if ((The_Year==today.getYear()) && (The_Month==today.getMonth()+1) && (i==today.getDate()))
   bgColor = "#FFCCCC";
  else
   bgColor = "#CCCCCC";

  if (The_Day==i) bgColor = "#FFFFCC";
  showstr += "<td align=center bgcolor=" + bgColor + " style='cursor:hand' onclick=chooseday(" + The_Year + "," + The_Month + "," + i + ")>" + i + "</td>";
  Firstday = (Firstday + 1)%7;
  if ((Firstday==0) && (i!=Month_Day)) showstr += "</tr><tr>";
}
if (Firstday!=0)
{
  for (i=Firstday; i<7; i++)
   showstr += "<td align=center bgcolor=#CCCCCC> </td>";
  showstr += "</tr>";
}

showstr += "</tr></table></td></tr></table>";
cc.innerHTML = showstr;
}
</script><script language="JavaScript"> var The_Year,The_Day,The_Month;
var today;
var Firstday;
today = new Date();
The_Year = today.getYear();
The_Month = today.getMonth() + 1;
The_Day = today.getDate();
Firstday = GetWeekday(The_Year,The_Month);
ShowCalender(The_Year,The_Month,The_Day,Firstday);
</script>
<div id=showdate></div>
</html><?php
//<-------处理通过GET方法提交的变量;开始-------->
if($HTTP_GET_VARS[year]=="")
{
    $HTTP_GET_VARS[year]=date("Y");
}
if($HTTP_GET_VARS[month]=="")
{
    $HTTP_GET_VARS[month]=date("n");
}
$month=$HTTP_GET_VARS[month];
$year=$HTTP_GET_VARS[year];
//<-------处理通过GET方法提交的变量;结束-------->
if($year<1971)
{
    echo "出错!";
    echo "<BR>";
    echo "<a href=$HTTP_SERVER_VARS[PHP_SELF]>Back</a>";
    exit();
}
?>
<table width="200" border="1" cellspacing="0" cellpadding="0" bordercolor="#E7E7E7" style="font-size:12px;" align="center">
<tr align="center"><td colspan="2">
<?php
//<-------当月份超出1至12时的处理;开始------->
if($month<1)
{
    $month=12;
    $year-=1;
}
if($month>12)
{
    $month=1;
    $year+=1;
}
//<-------当月份超出1至12时的处理;结束------->
//***************************************
//<---------上一年,下一年,上月,下月的连接处理及输出;开始--------->
echo "<a href=$HTTP_SERVER_VARS[PHP_SELF]?year=".($year-1)."& month=".$month."><<</a>年<a href=$HTTP_SERVER_VARS[PHP_SELF]?year=".($year+1)."&month=".$month.">>></a>";
?>
</td><td colspan="3"><?php echo $year."年".$month."月";?>
</td><td colspan="2">
<?php
echo "<a href=$HTTP_SERVER_VARS[PHP_SELF]?month=".($month-1)."& year=".$year."><<</a>月<a href=$HTTP_SERVER_VARS[PHP_SELF]?month=".($month+1)."&year=".$year.">>></a>";
//<--------上一年,下一年,上月,下月的连接处理及输出;结束--------->
   ?></td></tr>
<tr align=center><td><font color="red">日</font></td><td>一</td><td> 二</td><td>三</td><td>四</td><td>五< /td><td>六</td></tr><tr>
<?php
$d=date("d");
$FirstDay=date("w",mktime(0,0,0,$month,1,$year));//取得任何一个月的一号是星期几,用于计算一号是由表格的第几格开始
$bgtoday=date("d");
function font_color($month,$today,$year)//用于计算星期天的字体颜色
{
    $sunday=date("w",mktime(0,0,0,$month,$today,$year));
    if($sunday=="0")
    {
                $FontColor="red";
    }
    else
    {
                $FontColor="black";
    }
    return $FontColor;
}
function bgcolor($month,$bgtoday,$today_i,$year)//用于计算当日的背景颜色
{
    $show_today=date("d",mktime(0,0,0,$month,$today_i,$year));
    $sys_today=date("d",mktime(0,0,0,$month,$bgtoday,$year));
    if($show_today==$sys_today)
    {
                $bgcolor="bgcolor=#6699FF";
    }
    else
    {
                $bgcolor="";
    }
    return $bgcolor;
}
function font_style($month,$today,$year)//用于计算星期天的字体风格
{
    $sunday=date("w",mktime(0,0,0,$month,$today,$year));
    if($sunday=="0")
    {
                $FontStyle="<strong>";
    }
    else
    {
                $FontStyle="";
    }
    return $FontStyle;
}
for($i=0;$i<=$FirstDay;$i++)//此for用于输出某个月的一号位置
{
    for($i;$i<$FirstDay;$i++)
    {
                echo "<td align=center> </td>\n";
    }
    if($i==$FirstDay)
    {
                echo "<td align=center ".bgcolor($month,$bgtoday,1,$year)."><font color=".font_color($month,1,$year).">".font_style($month,1,$year)."1</font></td>\n";
                if($FirstDay==6)//判断1号是否星期六
                {
                        echo "</tr>";
                }
    }
}
$countMonth=date("t",mktime(0,0,0,$month,1,$year));//某月的总天数
for($i=2;$i<=$countMonth;$i++)//输出由1号定位,随后2号直至月尾的所有号数
{
    echo "<td align=center ".bgcolor($month,$bgtoday,$i,$year)."><font color=".font_color($month,$i,$year).">".font_style($month,$i,$year)."$i</font></td>\n";
    if(date("w",mktime(0,0,0,$month,$i,$year))==6)//判断该日是否星期六
    {
        echo "</tr>\n";
    }
}
?>
</table>

调试易

关于实现选择年月日的问题！！急急急

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