时间控件---带年月日时分秒

js文件： datetime.js

var date_start,date_end,g_object
var today = new Date();
var separator="-";
var inover=false;

//mode :时间变换的类型0-年 1-月 2-直接选择月
function change_date(temp,mode)
{
 var t_month,t_year
    if (mode){
        if(mode==1)
        t_month=parseInt(cele_date_month.value,10)+parseInt(temp,10);
        else
        t_month=parseInt(temp)
        if (t_month<cele_date_month.options(0).text) {
            cele_date_month.value=cele_date_month.options(cele_date_month.length-1).text;
            change_date(parseInt(cele_date_year.value,10)-1,0);
            }
        else{
            if (t_month>cele_date_month.options(cele_date_month.length-1).text){
                cele_date_month.value=cele_date_month.options(0).text;
                change_date(parseInt(cele_date_year.value,10)+1,0);
                }           
            else
                {cele_date_month.value=t_month;
                 set_cele_date(cele_date_year.value,cele_date_month.value);               
                }
        }
    } 
    else{
        t_year=parseInt(temp,10);
       
        if (t_year<cele_date_year.options(0).text) {
            cele_date_year.value=cele_date_year.options(0).text;
            set_cele_date(cele_date_year.value,1);               
            }
        else{
            if (parseInt(t_year,10)>parseInt(cele_date_year.options(cele_date_year.length-1).text,10)){
                cele_date_year.value=cele_date_year.options(cele_date_year.length-1).text;
                set_cele_date(cele_date_year.value,12);               
                }           
            else
                {cele_date_year.value=t_year;
                 set_cele_date(cele_date_year.value,cele_date_month.value);               
                }
        }
    }
    /*********2002-02-01 MODIFY BY WING **************/
    window.cele_date.focus();
    /****************MODIFY END***********************/
}

//初始化日历
function init(d_start,d_end)
{
     var temp_str;
     var i=0
     var j=0
     date_start=new Date(1980,7,1)
     date_end=new Date(2004,8,1)
     document.writeln("<div name=/"cele_date/" id=/"cele_date/"  style=/"display:none/"    style=/"LEFT: 69px; POSITION: absolute; TOP: 159px;Z-INDEX:99/" onClick=/"event.cancelBubble=true;/" onBlur=/"hilayer()/" onMouseout=/"lostlayerfocus()/">-</div>");
     window.cele_date.innerHTML="";
     temp_str="<table border=/"1/" bgcolor=/"#DDDDDD/" bordercolor=/"white/"><tr><td colspan=7 onmouseover=/"overcolor(this)/">";
     temp_str+="<input type=/"Button/" value=/"<</" onclick=/"change_date(-1,1)/" onmouseover=/"getlayerfocus()/" style=/"color: #000099; background-color: #BFBFBF; cursor: hand/">-";

     temp_str+=""
     temp_str+="<select name=/"cele_date_year/" id=/"cele_date_year/" language=/"javascript/" onchange=/"change_date(this.value,0)/" onmouseover=/"getlayerfocus()/" onblur=/"getlayerfocus()/" style=/"font-size: 9pt; border: 1px #666666 outset; background-color: #F4F8FB/">"

     for (i=1900;i<=2020;i++)
     {
      temp_str+="<OPTION value=/""+i.toString()+"/">"+i.toString()+"</OPTION>";
     }
     temp_str+="</select>-";
     temp_str+=""
     temp_str+="<select name=/"cele_date_month/" id=/"cele_date_month/" language=/"javascript/" onchange=/"change_date(this.value,2)/" onmouseover=/"getlayerfocus()/" onblur=/"getlayerfocus()/" style=/"font-size: 9pt; border: 1px #666666 outset; background-color: #F4F8FB/">"

     for (i=1;i<=12;i++)
     {
      temp_str+="<OPTION value=/""+i.toString()+"/">"+i.toString()+"</OPTION>";
     }
     temp_str+="</select>-";
     temp_str+=""
     temp_str+="<input type=/"Button/" value=/">>/" onclick=/"change_date(1,1)/" onmouseover=/"getlayerfocus()/"  style=/"color: #000099; background-color: #BFBFBF; cursor: hand/">";

     temp_str+="</td></tr><tr><td onmouseover=/"overcolor(this)/">"
     temp_str+="<font color=red>日</font></td><td>";temp_str+="一</td><td>"; temp_str+="二</td><td>"; temp_str+="三</td><td>"
     temp_str+="四</td><td>";temp_str+="五</td><td>"; temp_str+="六</td></tr>";
     for (i=1 ;i<=6 ;i++)
     {
     temp_str+="<tr>";
        for(j=1;j<=7;j++){
            temp_str+="<td name=/"c"+i+"_"+j+"/"id=/"c"+i+"_"+j+"/" style=/"CURSOR: hand/" style=/"COLOR:#000000/" language=/"javascript/" onmouseover=/"overcolor(this)/" onmouseout=/"outcolor(this)/" onclick=/"td_click(this)/">?</td>"
            }
     temp_str+="</tr>"       
     }
     temp_str+="</td></tr>";
     temp_str+="<tr><td colspan=7>";
    
     temp_str+="";
     temp_str+="<select name=/"cele_date_hour/" id=/"cele_date_hour/" language=/"javascript/" onmouseover=/"getlayerfocus()/" onblur=/"getlayerfocus()/" style=/"font-size: 9pt; border: 1px #666666 outset; background-color: #F4F8FB/">"
     for (i=0;i<24;i++)
     {
      temp_str+="<OPTION value=/""+i.toString()+"/">"+i.toString()+"</OPTION>";
     }
     temp_str+="</select>:";
     temp_str+="";
    
     temp_str+="";
     temp_str+="<select name=/"cele_date_minute/" id=/"cele_date_minute/" language=/"javascript/" onmouseover=/"getlayerfocus()/" onblur=/"getlayerfocus()/" style=/"font-size: 9pt; border: 1px #666666 outset; background-color: #F4F8FB/">"
     for (i=0;i<60;i++)
     {
      temp_str+="<OPTION value=/""+i.toString()+"/">"+i.toString()+"</OPTION>";
     }
     temp_str+="</select>:";
     temp_str+="";
    
     temp_str+="";
     temp_str+="<select name=/"cele_date_second/" id=/"cele_date_second/" language=/"javascript/" onmouseover=/"getlayerfocus()/" onblur=/"getlayerfocus()/" style=/"font-size: 9pt; border: 1px #666666 outset; background-color: #F4F8FB/">"
     for (i=0;i<60;i++)
     {
      temp_str+="<OPTION value=/""+i.toString()+"/">"+i.toString()+"</OPTION>";
     }
     temp_str+="</select>";
     temp_str+="";
    
     temp_str+="</td></tr>";
     temp_str+="</table>";
     window.cele_date.innerHTML=temp_str;
}
function set_cele_date(year,month)
{
   var i,j,p,k
   var nd=new Date(year,month-1,1);
   event.cancelBubble=true;
   cele_date_year.value=year;
   cele_date_month.value=month;  
   k=nd.getDay()-1
   var temp;
   for (i=1;i<=6;i++)
      for(j=1;j<=7;j++)
      {
      eval("c"+i+"_"+j+".innerHTML=/"/"");
      eval("c"+i+"_"+j+".bgColor=/"#DDDDDD/"");
      eval("c"+i+"_"+j+".style.cursor=/"hand/"");
      }
   while(month-1==nd.getMonth())
    { j=(nd.getDay() +1);
      p=parseInt((nd.getDate()+k) / 7)+1;
      eval("c"+p+"_"+j+".innerHTML="+"/""+nd.getDate()+"/"");
      if ((nd.getDate()==today.getDate())&&(cele_date_month.value==today.getMonth()+1)&&(cele_date_year.value==today.getYear())){
        eval("c"+p+"_"+j+".bgColor=/"#EFFB64/"");
      }
      if (nd>date_end || nd<date_start)
      {
          eval("c"+p+"_"+j+".bgColor=/"#FF9999/"");
          eval("c"+p+"_"+j+".style.cursor=/"text/"");
      }
      nd=new Date(nd.valueOf() + 86400000);
    }
}

//s_object：点击的对象；d_start-d_end有效的时间区段；需要存放值的控件；
function show_cele_date(d_start,d_end,t_object)
{
window.cele_date.style.display="";
window.cele_date.style.zIndex=99;
var s,cur_d
var eT = t_object.offsetTop; 
var eH = t_object.offsetHeight+eT; 
var dH = window.cele_date.style.pixelHeight; 
var sT = document.body.scrollTop;
var sL = document.body.scrollLeft;
event.cancelBubble=true;
window.cele_date.style.posLeft = event.clientX-event.offsetX+sL-5; 
window.cele_date.style.posTop = event.clientY-event.offsetY+eH+sT-5;
if (window.cele_date.style.posLeft+window.cele_date.clientWidth>document.body.clientWidth) window.cele_date.style.posLeft+=t_object.offsetWidth-window.cele_date.clientWidth;
if (d_start!=""){
    if (d_start=="today"){
        date_start=new Date(today.getYear(),today.getMonth(),today.getDate());
    }else{
        s=d_start.split(separator);
        date_start=new Date(s[0],s[1]-1,s[2]);
    }
}else{
    date_start=new Date(1900,1,1);
}

if (d_end!=""){
    s=d_end.split(separator);
    date_end=new Date(s[0],s[1]-1,s[2]);
}else{
    date_end=new Date(3000,1,1);
}

g_object=t_object

cur_d=new Date()
set_cele_date(cur_d.getYear(),cur_d.getMonth()+1);
window.cele_date.style.display="block";

window.cele_date.focus();

}
function td_click(t_object)
{
var t_d
if (parseInt(t_object.innerHTML,10)>=1 && parseInt(t_object.innerHTML,10)<=31 )
{ t_d=new Date(cele_date_year.value,cele_date_month.value-1,t_object.innerHTML)
if (t_d<=date_end && t_d>=date_start)
{
var year = cele_date_year.value;
var month = cele_date_month.value;
var day = t_object.innerHTML;
if (parseInt(month)<10) month = "0" + month;
if (parseInt(day)<10) day = "0" + day;
var hour = cele_date_hour.value;
if (hour < 10) hour = "0" + hour;
var minute = cele_date_minute.value;
if (minute < 10) minute = "0" + minute;
var second = cele_date_second.value;
if (second < 10) second = "0" + second;
g_object.value=year+separator+month+separator+day+" "+hour+":"+minute+":"+second;
window.cele_date.style.display="none";};
}

}
function h_cele_date()
{
window.cele_date.style.display="none";
}

function overcolor(obj)
{
  if (obj.style.cursor=="hand") obj.style.color = "#FFFFFF";

  inover=true;
  window.cele_date.focus();

}

function outcolor(obj)
{
 obj.style.color = "#000000";
 inover=false;

}

function getNow(o){
    var Stamp=new Date();
    var year = Stamp.getYear();
    var month = Stamp.getMonth()+1;
    var day = Stamp.getDate();
    if(month<10){
 month="0"+month;
    }
    if(day<10){
 day="0"+day;
    }
    o.value=year+separator+month+separator+day;
}

function hilayer()
{
 if (inover==false)
 {
  var lay=document.all.cele_date;
  lay.style.display="none";
 }
}
function getlayerfocus()
{
 inover=true;
}
function lostlayerfocus()
{
 inover=false;
}
init();
//日历结束

测试页面：test.html

<html>
<head>
</head>
<body >
<script language="JavaScript" src="datetime.js"></script>
<form>
<input type=text name=selDate onfocus="show_cele_date('','',selDate)">
</form>
</body>
</html>