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精确到秒的js日期时间选择器

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<script  type="text/javascript" src="datetime.js"></script>
<input id=end onfocus="setday(this)" style="cursor:hand">
<button onclick="alert(document.getElementById('end').value);">显示</button>

  datetime.js:

<!--
var bMoveable=true;
var strFrame;        

document.writeln('<iframe id=endDateLayer frameborder=0 width=162 height=211 style="position: absolute;  z-index: 9998; display: none"></iframe>');
strFrame='<style>';
strFrame+='INPUT.button{BORDER-RIGHT: #63A3E9 1px solid;BORDER-TOP: #63A3E9 1px solid;BORDER-LEFT: #63A3E9 1px solid;';
strFrame+='BORDER-BOTTOM: #63A3E9 1px solid;BACKGROUND-COLOR: #63A3E9;font-family:宋体;}';
strFrame+='TD{FONT-SIZE: 9pt;font-family:宋体;}';
strFrame+='</style>';
strFrame+='<scr' + 'ipt>';
strFrame+='var datelayerx,datelayery;';
strFrame+='var bDrag;';
strFrame+='function document.onmousemove()';
strFrame+='{if(bDrag && window.event.button==1)';
strFrame+='    {var DateLayer=parent.document.all.endDateLayer.style;';
strFrame+='        DateLayer.posLeft += window.event.clientX-datelayerx;';
strFrame+='        DateLayer.posTop += window.event.clientY-datelayery;}}';
strFrame+='function DragStart()';
strFrame+='{var DateLayer=parent.document.all.endDateLayer.style;';
strFrame+='    datelayerx=window.event.clientX;';
strFrame+='    datelayery=window.event.clientY;';
strFrame+='    bDrag=true;}';
strFrame+='function DragEnd(){';
strFrame+='    bDrag=false;}';
strFrame+='</scr' + 'ipt>';
strFrame+='<div style="z-index:9999;position: absolute; left:0; top:0;" onselectstart="return false">';
strFrame+='<span id=tmpSelectYearLayer  style="z-index: 9999;position: absolute;top: 3; left: 19;display: none"></span>';
strFrame+='<span id=tmpSelectMonthLayer  style="z-index: 9999;position: absolute;top: 3; left: 78;display: none"></span>';
strFrame+='<span id=tmpSelectHourLayer  style="z-index: 9999;position: absolute;top: 188; left: 35px;display: none"></span>';
strFrame+='<span id=tmpSelectMinuteLayer style="z-index:9999;position:absolute;top: 188; left: 77px;display: none"></span>';
strFrame+='<span id=tmpSelectSecondLayer style="z-index:9999;position:absolute;top: 188; left: 119px;display: none"></span>';
strFrame+='<table border=1 cellspacing=0 cellpadding=0 width=142 height=160 bordercolor=#63A3E9 bgcolor=#63A3E9 >';
strFrame+='    <tr><td width=142 height=23  bgcolor=#FFFFFF>';
strFrame+='        <table border=0 cellspacing=1 cellpadding=0 width=158  height=23>';
strFrame+='            <tr align=center >';
strFrame+='                <td width=16 align=center bgcolor=#63A3E9 style="font-size:12px;cursor: hand;color: #ffffff" ';
strFrame+='                       onclick="parent.meizzPrevM()" title="向前翻 1 月" ><b ><</b></td>';
strFrame+='                   <td width=60 align="center" bgcolor="#63A3E9"  style="font-size:12px;cursor:hand" ';
strFrame+='                       onmouseover="style.backgroundColor=\'#aaccf3\'"';
strFrame+='                       onmouseout="style.backgroundColor=\'#63A3E9\'" ';
strFrame+='                       onclick="parent.tmpSelectYearInnerHTML(this.innerText.substring(0,4))" ';
strFrame+='                       title="点击这里选择年份"><span  id=meizzYearHead></span></td>';
strFrame+='                   <td width=48 align="center" style="font-size:12px;font-color: #ffffff;cursor:hand" ';
strFrame+='                       bgcolor="#63A3E9" onmouseover="style.backgroundColor=\'#aaccf3\'" ';
strFrame+='                       onmouseout="style.backgroundColor=\'#63A3E9\'" ';
strFrame+='                       onclick="parent.tmpSelectMonthInnerHTML(this.innerText.length==3?this.innerText.substring(0,1):this.innerText.substring(0,2))"';
strFrame+='                       title="点击这里选择月份"><span id=meizzMonthHead ></span></td>';
strFrame+='                   <td width=16 bgcolor=#63A3E9 align=center style="font-size:12px;cursor: hand;color: #ffffff" ';
strFrame+='                       onclick="parent.meizzNextM()" title="向后翻 1 月" ><b >></b></td>';
strFrame+='               </tr>';
strFrame+='           </table></td></tr>';
strFrame+='       <tr><td width=142 height=18 >';
strFrame+='           <table border=0 cellspacing=0 cellpadding=2 bgcolor=#63A3E9 ' + (bMoveable? 'onmousedown="DragStart()" onmouseup="DragEnd()"':'');
strFrame+='                BORDERCOLORLIGHT=#63A3E9 BORDERCOLORDARK=#FFFFFF width=140 height=20  style="cursor:' + (bMoveable ? 'move':'default') + '">';
strFrame+='       <tr><td style="font-size:12px;color:#ffffff" width=20> 日</td>';
strFrame+='<td style="font-size:12px;color:#FFFFFF" > 一</td><td style="font-size:12px;color:#FFFFFF"> 二</td>';
strFrame+='<td style="font-size:12px;color:#FFFFFF" > 三</td><td style="font-size:12px;color:#FFFFFF" > 四</td>';
strFrame+='<td style="font-size:12px;color:#FFFFFF" > 五</td><td style="font-size:12px;color:#FFFFFF" > 六</td></tr>';
strFrame+='</table></td></tr>';
strFrame+='  <tr ><td width=142 height=120 >';
strFrame+='    <table border=1 cellspacing=2 cellpadding=2 BORDERCOLORLIGHT=#63A3E9 BORDERCOLORDARK=#FFFFFF bgcolor=#fff8ec width=140 height=120 >';
var n=0; for (j=0;j<5;j++){ strFrame+= ' <tr align=center >'; for (i=0;i<7;i++){
strFrame+='<td width=20 height=20 id=meizzDay'+n+' style="font-size:12px" onclick=parent.meizzDayClick(this.innerText,0)></td>';n++;}
strFrame+='</tr>';}
strFrame+='      <tr align=center >';
for (i=35;i<37;i++)strFrame+='<td width=20 height=20 id=meizzDay'+i+' style="font-size:12px"  onclick="parent.meizzDayClick(this.innerText,0)"></td>';
strFrame+='        <td colspan=5 align=right style="color:#1478eb"><span onclick="parent.setNull()" style="font-size:12px;cursor: hand"';
strFrame+='         onmouseover="style.color=\'#ff0000\'" onmouseout="style.color=\'#1478eb\'" title="将日期置空">置空</span>  <span onclick="parent.meizzToday()" style="font-size:12px;cursor: hand"';
strFrame+='         onmouseover="style.color=\'#ff0000\'" onmouseout="style.color=\'#1478eb\'" title="当前日期时间">当前</span>  <span style="cursor:hand" id=evaAllOK onmouseover="style.color=\'#ff0000\'" onmouseout="style.color=\'#1478eb\'"  onclick="parent.closeLayer()" title="关闭日历">关闭 </span></td></tr>';
strFrame+='    </table></td></tr><tr ><td >';
strFrame+='        <table border=0 cellspacing=1 cellpadding=0 width=100%  bgcolor=#FFFFFF height=22 >';
strFrame+='          <tr bgcolor="#63A3E9"><td id=bUseTimeLayer width=30  style="cursor:hand" title="点击这里启用/禁用时间"';
strFrame+='                onmouseover="style.backgroundColor=\'#aaccf3\'" align=center onmouseout="style.backgroundColor=\'#63A3E9\'"';
strFrame+='                 onclick="parent.UseTime(this)">';
strFrame+=' <span></span></td>';
strFrame+='             <td style="cursor:hand" onclick="parent.tmpSelectHourInnerHTML(this.innerText.length==3?this.innerText.substring(0,1):this.innerText.substring(0,2))"';
strFrame+=' onmouseover="style.backgroundColor=\'#aaccf3\'" onmouseout="style.backgroundColor=\'#63A3E9\'"';
strFrame+=' title="点击这里选择时间" align=center width=42>' ;
strFrame+='                    <span id=meizzHourHead></span></td>';
strFrame+='             <td style="cursor:hand" onclick="parent.tmpSelectMinuteInnerHTML(this.innerText.length==3?this.innerText.substring(0,1):this.innerText.substring(0,2))"';
strFrame+=' onmouseover="style.backgroundColor=\'#aaccf3\'" onmouseout="style.backgroundColor=\'#63A3E9\'"';
strFrame+=' title="点击这里选择时间" align=center width=42>' ;
strFrame+='                    <span id=meizzMinuteHead></span></td>';
strFrame+='             <td style="cursor:hand" onclick="parent.tmpSelectSecondInnerHTML(this.innerText.length==3?this.innerText.substring(0,1):this.innerText.substring(0,2))"';
strFrame+=' onmouseover="style.backgroundColor=\'#aaccf3\'" onmouseout="style.backgroundColor=\'#63A3E9\'"';
strFrame+=' title="点击这里选择时间" align=center width=42>' ;
strFrame+='                    <span id=meizzSecondHead></span></td>';
strFrame+='             </tr></table></td></tr></table></div>';

window.frames.endDateLayer.document.writeln(strFrame);
window.frames.endDateLayer.document.close();        //解决ie进度条不结束的问题


//==================================================== WEB 页面显示部分 ======================================================
var outObject;
var outButton;        //点击的按钮

var outDate="";        //存放对象的日期
var bUseTime=false;        //是否使用时间
var odatelayer=window.frames.endDateLayer.document.all;        //存放日历对象
var odatelayer=window.endDateLayer.document.all;
//odatelayer.bUseTimeLayer.innerText="NO";
bImgSwitch();
odatelayer.bUseTimeLayer.innerHTML=bImg;

function setday(tt,obj) //主调函数
{
    if (arguments.length > 2){alert("对不起!传入本控件的参数太多!");return;}
    if (arguments.length == 0){alert("对不起!您没有传回本控件任何参数!");return;}
    var dads = document.all.endDateLayer.style;
    var th = tt;
    var ttop = tt.offsetTop;    //TT控件的定位点高

    var thei = tt.clientHeight;    //TT控件本身的高
    var tleft = tt.offsetLeft;    //TT控件的定位点宽

    var ttyp = tt.type;    //TT控件的类型

    while (tt = tt.offsetParent){ttop+=tt.offsetTop; tleft+=tt.offsetLeft;}
    dads.top = (ttyp=="image") ? ttop+thei : ttop+thei+6;
    dads.left = tleft;
    outObject = (arguments.length == 1) ? th : obj;
    outButton = (arguments.length == 1) ? null : th;    //设定外部点击的按钮

    //根据当前输入框的日期显示日历的年月
    var reg = /^(\d+)-(\d{1,2})-(\d{1,2})/;        //不含时间
    var r = outObject.value.match(reg);
    if(r!=null){
        r[2]=r[2]-1;
        var d=new Date(r[1],r[2],r[3]);
        if(d.getFullYear()==r[1] && d.getMonth()==r[2] && d.getDate()==r[3])
        {
            outDate=d;
            parent.meizzTheYear = r[1];
            parent.meizzTheMonth = r[2];
            parent.meizzTheDate = r[3];
        }
        else
        {
            outDate="";
        }
        meizzSetDay(r[1],r[2]+1);
    }
    else
    {
        outDate="";
        meizzSetDay(new Date().getFullYear(), new Date().getMonth() + 1);
    }
    dads.display = '';

    //判断初始化时是否使用时间,非严格验证
    //if (outObject.value.length>10)
    //{
        bUseTime=true;
        bImgSwitch();
        odatelayer.bUseTimeLayer.innerHTML=bImg;
        meizzWriteHead(meizzTheYear,meizzTheMonth);
    //}
    //else
    //{
    //    bUseTime=false;
    //    bImgSwitch();
    //    odatelayer.bUseTimeLayer.innerHTML=bImg;
    //    meizzWriteHead(meizzTheYear,meizzTheMonth);
    //}

    try
    {
        event.returnValue=false;
    }
    catch (e)
    {
        //此处排除错误,错误原因暂未找到。
    }
}

var MonHead = new Array(12);    //定义阳历中每个月的最大天数

MonHead[0] = 31; MonHead[1] = 28; MonHead[2] = 31; MonHead[3] = 30; MonHead[4]  = 31; MonHead[5]  = 30;
MonHead[6] = 31; MonHead[7] = 31; MonHead[8] = 30; MonHead[9] = 31; MonHead[10] = 30; MonHead[11] = 31;

var meizzTheYear=new Date().getFullYear(); //定义年的变量的初始值

var meizzTheMonth=new Date().getMonth()+1; //定义月的变量的初始值

var meizzTheDate=new Date().getDate();    //定义日的变量的初始值    
var meizzTheHour=new Date().getHours();    //定义小时变量的初始值

var meizzTheMinute=new Date().getMinutes();//定义分钟变量的初始值
var meizzTheSecond=new Date().getSeconds();//定义秒变量的初始值

var meizzWDay=new Array(37);    //定义写日期的数组

function document.onclick() //任意点击时关闭该控件    //ie6的情况可以由下面的切换焦点处理代替
{ 
    with(window.event)
    {
        if (srcElement != outObject && srcElement != outButton)
        closeLayer();
    }
}

function document.onkeyup()        //按Esc键关闭,切换焦点关闭
{
    if (window.event.keyCode==27){
        if(outObject)outObject.blur();
        closeLayer();
    }
    else if(document.activeElement)
    {
        if(document.activeElement != outObject && document.activeElement != outButton)
        {
            closeLayer();
        }
    }
}

function meizzWriteHead(yy,mm,ss)    //往 head 中写入当前的年与月
{
    odatelayer.meizzYearHead.innerText    = yy + " 年";
    odatelayer.meizzMonthHead.innerText    = format(mm) + " 月";
    //插入当前小时、分
    odatelayer.meizzHourHead.innerText=bUseTime?(meizzTheHour+" 时"):""; 
    odatelayer.meizzMinuteHead.innerText=bUseTime?(meizzTheMinute+" 分"):"";
    odatelayer.meizzSecondHead.innerText=bUseTime?(meizzTheSecond+" 秒"):"";
}

function tmpSelectYearInnerHTML(strYear) //年份的下拉框
{
    if (strYear.match(/\D/)!=null){alert("年份输入参数不是数字!");return;}
    var m = (strYear) ? strYear : new Date().getFullYear();
    if (m < 1000 || m > 9999) {alert("年份值不在 1000 到 9999 之间!");return;}
    var n = m - 50;
    if (n < 1000) n = 1000;
    if (n + 101 > 9999) n = 9974;
    var s = " <select name=tmpSelectYear style='font-size: 12px' "
    s += "onblur='document.all.tmpSelectYearLayer.style.display=\"none\"' "
    s += "onchange='document.all.tmpSelectYearLayer.style.display=\"none\";"
    s += "parent.meizzTheYear = this.value; parent.meizzSetDay(parent.meizzTheYear,parent.meizzTheMonth)'>\r\n";
    var selectInnerHTML = s;
    for (var i = n; i < n + 101; i++)
    {
        if (i == m) { selectInnerHTML += "<option value='" + i + "' selected>" + i + "年" + "</option>\r\n"; }
        else { selectInnerHTML += "<option value='" + i + "'>" + i + "年" + "</option>\r\n"; }
    }
    selectInnerHTML += "</select>";
    odatelayer.tmpSelectYearLayer.style.display="";
    odatelayer.tmpSelectYearLayer.innerHTML = selectInnerHTML;
    odatelayer.tmpSelectYear.focus();
}

function tmpSelectMonthInnerHTML(strMonth) //月份的下拉框
{
    if (strMonth.match(/\D/)!=null){alert("月份输入参数不是数字!");return;}
    var m = (strMonth) ? strMonth : new Date().getMonth() + 1;
    var s = "   <select name=tmpSelectMonth style='font-size: 12px' "
    s += "onblur='document.all.tmpSelectMonthLayer.style.display=\"none\"' "
    s += "onchange='document.all.tmpSelectMonthLayer.style.display=\"none\";"
    s += "parent.meizzTheMonth = this.value; parent.meizzSetDay(parent.meizzTheYear,parent.meizzTheMonth)'>\r\n";
    var selectInnerHTML = s;
    for (var i = 1; i < 13; i++)
    {
        if (i == m) { selectInnerHTML += "<option value='"+i+"' selected>"+i+"月"+"</option>\r\n"; }
        else { selectInnerHTML += "<option value='"+i+"'>"+i+"月"+"</option>\r\n"; }
    }
    selectInnerHTML += "</select>";
    odatelayer.tmpSelectMonthLayer.style.display="";
    odatelayer.tmpSelectMonthLayer.innerHTML = selectInnerHTML;
    odatelayer.tmpSelectMonth.focus();
}

/**//***** 增加 小时、分钟 ***/
function tmpSelectHourInnerHTML(strHour) //小时的下拉框
{
    if (!bUseTime){return;}

    if (strHour.match(/\D/)!=null){alert("小时输入参数不是数字!");return;}
    var m = (strHour) ? strHour : new Date().getHours();
    var s = "<select name=tmpSelectHour style='font-size: 12px' "
    s += "onblur='document.all.tmpSelectHourLayer.style.display=\"none\"' "
    s += "onchange='document.all.tmpSelectHourLayer.style.display=\"none\";"
    s += "parent.meizzTheHour = this.value; parent.evaSetTime(parent.meizzTheHour,parent.meizzTheMinute);'>\r\n";
    var selectInnerHTML = s;
    for (var i = 0; i < 24; i++)
    {
        if (i == m) { selectInnerHTML += "<option value='"+i+"' selected>"+i+"</option>\r\n"; }
        else { selectInnerHTML += "<option value='"+i+"'>"+i+"</option>\r\n"; }
    }
    selectInnerHTML += "</select>";
    odatelayer.tmpSelectHourLayer.style.display="";
    odatelayer.tmpSelectHourLayer.innerHTML = selectInnerHTML;
    odatelayer.tmpSelectHour.focus();
}

function tmpSelectMinuteInnerHTML(strMinute) //分钟的下拉框
{
    if (!bUseTime){return;}

    if (strMinute.match(/\D/)!=null){alert("分钟输入参数不是数字!");return;}
    var m = (strMinute) ? strMinute : new Date().getMinutes();
    var s = "<select name=tmpSelectMinute style='font-size: 12px' "
    s += "onblur='document.all.tmpSelectMinuteLayer.style.display=\"none\"' "
    s += "onchange='document.all.tmpSelectMinuteLayer.style.display=\"none\";"
    s += "parent.meizzTheMinute = this.value; parent.evaSetTime(parent.meizzTheHour,parent.meizzTheMinute);'>\r\n";
    var selectInnerHTML = s;
    for (var i = 0; i < 60; i++)
    {
        if (i == m) { selectInnerHTML += "<option value='"+i+"' selected>"+i+"</option>\r\n"; }
        else { selectInnerHTML += "<option value='"+i+"'>"+i+"</option>\r\n"; }
    }
    selectInnerHTML += "</select>";
    odatelayer.tmpSelectMinuteLayer.style.display="";
    odatelayer.tmpSelectMinuteLayer.innerHTML = selectInnerHTML;
    odatelayer.tmpSelectMinute.focus();
}

function tmpSelectSecondInnerHTML(strSecond) //秒的下拉框
{
    if (!bUseTime){return;}

    if (strSecond.match(/\D/)!=null){alert("分钟输入参数不是数字!");return;}
    var m = (strSecond) ? strSecond : new Date().getMinutes();
    var s = "<select name=tmpSelectSecond style='font-size: 12px' "
    s += "onblur='document.all.tmpSelectSecondLayer.style.display=\"none\"' "
    s += "onchange='document.all.tmpSelectSecondLayer.style.display=\"none\";"
    s += "parent.meizzTheSecond = this.value; parent.evaSetTime(parent.meizzTheHour,parent.meizzTheMinute,parent.meizzTheSecond);'>\r\n";
    var selectInnerHTML = s;
    for (var i = 0; i < 60; i++)
    {
        if (i == m) { selectInnerHTML += "<option value='"+i+"' selected>"+i+"</option>\r\n"; }
        else { selectInnerHTML += "<option value='"+i+"'>"+i+"</option>\r\n"; }
    }
    selectInnerHTML += "</select>";
    odatelayer.tmpSelectSecondLayer.style.display="";
    odatelayer.tmpSelectSecondLayer.innerHTML = selectInnerHTML;
    odatelayer.tmpSelectSecond.focus();
}

function closeLayer()    //这个层的关闭
{
    var o = document.getElementById("endDateLayer");
    if (o != null)
    {
        o.style.display="none";
    }
}

function showLayer()    //这个层的关闭
{
    document.all.endDateLayer.style.display="";
}

function IsPinYear(year)    //判断是否闰平年
{
    if (0==year%4&&((year%100!=0)||(year%400==0))) return true;else return false;
}

function GetMonthCount(year,month)    //闰年二月为29天
{
    var c=MonHead[month-1];if((month==2)&&IsPinYear(year)) c++;return c;
}

function GetDOW(day,month,year)    //求某天的星期几
{
    var dt=new Date(year,month-1,day).getDay()/7; return dt;
}

function meizzPrevY()    //往前翻 Year
{
    if(meizzTheYear > 999 && meizzTheYear <10000){meizzTheYear--;}
    else{alert("年份超出范围(1000-9999)!");}
    meizzSetDay(meizzTheYear,meizzTheMonth);
}
function meizzNextY()    //往后翻 Year
{
    if(meizzTheYear > 999 && meizzTheYear <10000){meizzTheYear++;}
    else{alert("年份超出范围(1000-9999)!");}
    meizzSetDay(meizzTheYear,meizzTheMonth);
}
function setNull()
{
    outObject.value = '';
    closeLayer();
}
function meizzToday()    //Today Button
{
    parent.meizzTheYear        = new Date().getFullYear();
    parent.meizzTheMonth    = new Date().getMonth()+1;
    parent.meizzTheDate        = new Date().getDate();
    parent.meizzTheHour        = new Date().getHours();
    parent.meizzTheMinute    = new Date().getMinutes();
    parent.meizzTheSecond    = new Date().getSeconds();
    var meizzTheSecond        = new Date().getSeconds();

    if (meizzTheMonth<10 && meizzTheMonth.length<2)    //格式化成两位数字
    {
        parent.meizzTheMonth="0"+parent.meizzTheMonth;
    }
    if (parent.meizzTheDate<10 && parent.meizzTheDate.length<2)    //格式化成两位数字
    {
        parent.meizzTheDate="0"+parent.meizzTheDate;
    }
    //meizzSetDay(meizzTheYear,meizzTheMonth);
    if(outObject)
    {
        if (bUseTime)
        {
            outObject.value= parent.meizzTheYear + "-" + format( parent.meizzTheMonth) + "-" + 
                            format(parent.meizzTheDate) + " " + format(parent.meizzTheHour) + ":" + 
                            format(parent.meizzTheMinute) + ":" + format(parent.meizzTheSecond); 
                            //注:在这里你可以输出改成你想要的格式
        }
        else
        {
            outObject.value= parent.meizzTheYear + "-" + format( parent.meizzTheMonth) + "-" + 
                            format(parent.meizzTheDate); //注:在这里你可以输出改成你想要的格式
        }
    }
    closeLayer();
}
function meizzPrevM()    //往前翻月份
{
    if(meizzTheMonth>1){meizzTheMonth--}else{meizzTheYear--;meizzTheMonth=12;}
    meizzSetDay(meizzTheYear,meizzTheMonth);
}
function meizzNextM()    //往后翻月份
{
    if(meizzTheMonth==12){meizzTheYear++;meizzTheMonth=1}else{meizzTheMonth++}
    meizzSetDay(meizzTheYear,meizzTheMonth);
}

// TODO: 整理代码
function meizzSetDay(yy,mm)    //主要的写程序**********
{
    meizzWriteHead(yy,mm);
    //设置当前年月的公共变量为传入值

    meizzTheYear=yy;
    meizzTheMonth=mm;

    for (var i = 0; i < 37; i++){meizzWDay[i]=""};    //将显示框的内容全部清空

    var day1 = 1,day2=1,firstday = new Date(yy,mm-1,1).getDay();    //某月第一天的星期几

    for (i=0;i<firstday;i++)meizzWDay[i]=GetMonthCount(mm==1?yy-1:yy,mm==1?12:mm-1)-firstday+i+1    //上个月的最后几天

    for (i = firstday; day1 < GetMonthCount(yy,mm)+1; i++) { meizzWDay[i]=day1;day1++; }
    for (i=firstday+GetMonthCount(yy,mm);i<37;i++) { meizzWDay[i]=day2;day2++; }
    for (i = 0; i < 37; i++)
    {
        var da = eval("odatelayer.meizzDay"+i)    //书写新的一个月的日期星期排列

    if (meizzWDay[i]!="")
    {
        //初始化边框
        da.borderColorLight="#63A3E9";
        da.borderColorDark="#63A3E9";
        da.style.color="#1478eb";
        if(i<firstday)        //上个月的部分
        {
            da.innerHTML="<b><font color=#BCBABC>" + meizzWDay[i] + "</font></b>";
            da.title=(mm==1?12:mm-1) +"月" + meizzWDay[i] + "日";
            da.onclick=Function("meizzDayClick(this.innerText,-1)");

            if(!outDate)
                da.style.backgroundColor = ((mm==1?yy-1:yy) == new Date().getFullYear() && 
                    (mm==1?12:mm-1) == new Date().getMonth()+1 && meizzWDay[i] == new Date().getDate()) ?
                     "#5CEFA0":"#f5f5f5";
            else
            {
                da.style.backgroundColor =((mm==1?yy-1:yy)==outDate.getFullYear() && (mm==1?12:mm-1)== outDate.getMonth() + 1 && 
                meizzWDay[i]==outDate.getDate())? "#84C1FF" :
                (((mm==1?yy-1:yy) == new Date().getFullYear() && (mm==1?12:mm-1) == new Date().getMonth()+1 && 
                meizzWDay[i] == new Date().getDate()) ? "#5CEFA0":"#f5f5f5");
                //将选中的日期显示为凹下去

                if((mm==1?yy-1:yy)==outDate.getFullYear() && (mm==1?12:mm-1)== outDate.getMonth() + 1 && 
                meizzWDay[i]==outDate.getDate())
                {
                    da.borderColorLight="#FFFFFF";
                    da.borderColorDark="#63A3E9";
                }
            }
        }
        else if (i>=firstday+GetMonthCount(yy,mm))        //下个月的部分
        {
            da.innerHTML="<b><font color=#BCBABC>" + meizzWDay[i] + "</font></b>";
            da.title=(mm==12?1:mm+1) +"月" + meizzWDay[i] + "日";
            da.onclick=Function("meizzDayClick(this.innerText,1)");
            if(!outDate)
                da.style.backgroundColor = ((mm==12?yy+1:yy) == new Date().getFullYear() && 
                    (mm==12?1:mm+1) == new Date().getMonth()+1 && meizzWDay[i] == new Date().getDate()) ?
                     "#5CEFA0":"#f5f5f5";
            else
            {
                da.style.backgroundColor =((mm==12?yy+1:yy)==outDate.getFullYear() && (mm==12?1:mm+1)== outDate.getMonth() + 1 && 
                meizzWDay[i]==outDate.getDate())? "#84C1FF" :
                (((mm==12?yy+1:yy) == new Date().getFullYear() && (mm==12?1:mm+1) == new Date().getMonth()+1 && 
                meizzWDay[i] == new Date().getDate()) ? "#5CEFA0":"#f5f5f5");
                //将选中的日期显示为凹下去

                if((mm==12?yy+1:yy)==outDate.getFullYear() && (mm==12?1:mm+1)== outDate.getMonth() + 1 && 
                meizzWDay[i]==outDate.getDate())
                {
                    da.borderColorLight="#FFFFFF";
                    da.borderColorDark="#63A3E9";
                }
            }
        }
        else        //本月的部分

        {
            da.innerHTML="<b>" + meizzWDay[i] + "</b>";
            da.title=mm +"月" + meizzWDay[i] + "日";
            da.onclick=Function("meizzDayClick(this.innerText,0)");        //给td赋予onclick事件的处理

            //如果是当前选择的日期,则显示亮蓝色的背景;如果是当前日期,则显示暗黄色背景
            if(!outDate)
                da.style.backgroundColor = (yy == new Date().getFullYear() && mm == new Date().getMonth()+1 && meizzWDay[i] == new Date().getDate())?
                    "#5CEFA0":"#f5f5f5";
            else
            {
                da.style.backgroundColor =(yy==outDate.getFullYear() && mm== outDate.getMonth() + 1 && meizzWDay[i]==outDate.getDate())?
                    "#84C1FF":((yy == new Date().getFullYear() && mm == new Date().getMonth()+1 && meizzWDay[i] == new Date().getDate())?
                    "#5CEFA0":"#f5f5f5");
                //将选中的日期显示为凹下去

                if(yy==outDate.getFullYear() && mm== outDate.getMonth() + 1 && meizzWDay[i]==outDate.getDate())
                {
                    da.borderColorLight="#FFFFFF";
                    da.borderColorDark="#63A3E9";
                }
            }
        }
                da.style.cursor="hand"
            }
        else { da.innerHTML="";da.style.backgroundColor="";da.style.cursor="default"; }
    }
}

function meizzDayClick(n,ex)    //点击显示框选取日期,主输入函数*************
{
    parent.meizzTheDate=n;
    var yy=meizzTheYear;
    var mm = parseInt(meizzTheMonth)+ex;    //ex表示偏移量,用于选择上个月份和下个月份的日期
    var hh=meizzTheHour;
    var mi=meizzTheMinute;
    var se=meizzTheSecond;
    //判断月份,并进行对应的处理

    if(mm<1){
        yy--;
        mm=12+mm;
    }
    else if(mm>12){
        yy++;
        mm=mm-12;
    }

    if (mm < 10)    {mm = "0" + mm;}
    if (hh<10)        {hh="0" + hh;}    //时
    if (mi<10)        {mi="0" + mi;}    //分
    if (se<10)        {se="0" + se;}    //秒

    if (outObject)
    {
        if (!n) {    //outObject.value=""; 
            return;}
        if ( n < 10){n = "0" + n;}

        WriteDateTo(yy,mm,n,hh,mi,se);

        closeLayer(); 
        if (bUseTime)
        {
            try
            {
                outButton.click();
            }
            catch (e)
            {
                setday(outObject);
            }
        }
    }
    else {closeLayer(); alert("您所要输出的控件对象并不存在!");}
}

function format(n)    //格式化数字为两位字符表示
{
    var m=new String();
    var tmp=new String(n);
    if (n<10 && tmp.length<2)
    {
        m="0"+n;
    }
    else
    {
        m=n;
    }
    return m;
}

function evaSetTime()        //设置用户选择的小时、分钟
{
    odatelayer.meizzHourHead.innerText=meizzTheHour+" 时";
    odatelayer.meizzMinuteHead.innerText=meizzTheMinute+" 分";
    odatelayer.meizzSecondHead.innerText=meizzTheSecond+" 秒";
    WriteDateTo(meizzTheYear,meizzTheMonth,meizzTheDate,meizzTheHour,meizzTheMinute,meizzTheSecond)
}

function evaSetTimeNothing()    //设置时间控件为空
{
    odatelayer.meizzHourHead.innerText="";
    odatelayer.meizzMinuteHead.innerText="";
    odatelayer.meizzSecondHead.innerText="";
    WriteDateTo(meizzTheYear,meizzTheMonth,meizzTheDate,meizzTheHour,meizzTheMinute,meizzTheSecond)
}

function evaSetTimeNow()    //设置时间控件为当前时间
{
    odatelayer.meizzHourHead.innerText=new Date().getHours()+" 时";
    odatelayer.meizzMinuteHead.innerText=new Date().getMinutes()+" 分";
    odatelayer.meizzSecondHead.innerText=new Date().getSeconds()+" 秒";
    meizzTheHour = new Date().getHours();
    meizzTheMinute = new Date().getMinutes();
    meizzTheSecond = new Date().getSeconds();
    WriteDateTo(meizzTheYear,meizzTheMonth,meizzTheDate,meizzTheHour,meizzTheMinute,meizzTheSecond)
}

function UseTime(ctl)
{
    bUseTime=!bUseTime;
    if (bUseTime)
    {
        bImgSwitch();
        ctl.innerHTML=bImg;
        evaSetTime();        //显示时间,用户原来选择的时间
        //evaSetTimeNow();    //显示当前时间
    }
    else
    {
        bImgSwitch();
        ctl.innerHTML=bImg;
        evaSetTimeNothing();
    }
}

function WriteDateTo(yy,mm,n,hh,mi,se)
{
    if (bUseTime)
    {
        outObject.value= yy + '-' + format(mm) + '-'+ format(n) + ' ' + format(hh) +':'+ format(mi) +':'+ format(se); //注:在这里你可以输出改成你想要的格式
    }
    else
    {
        outObject.value= yy + '-' + format(mm) + '-'+ format(n); //注:在这里你可以输出改成你想要的格式
    }
}

function bImgSwitch()
{
    if (bUseTime)
    {
        bImg="开启";
    }
    else
    {
        bImg="关闭";
    }
}

function isInWeek()
{
	alert("what happened?");
}
-->

2:精确到分的日期组件

 

 

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
 <HEAD>
  <TITLE> New Document </TITLE>
  <META NAME="Generator" CONTENT="EditPlus">
  <META NAME="Author" CONTENT="">
  <META NAME="Keywords" CONTENT="">
  <META NAME="Description" CONTENT="">
  <script src="dateTime.js"></script>
  <script language=javascript> 

</script>
 </HEAD>

 <BODY>
    <input type="text" onclick="setDayHM(this)"/>
 </BODY>
</HTML>

<script language="JavaScript"> 
/**//** 
*本日历选择控件由tiannet根据前人经验完善而得。大部分代码来自meizz的日历控件。 
*tiannet添加了时间选择功能、select,object标签隐藏功能,还有其它小功能。 
*使用方法: 
* (1)只选择日期 <input type="text" name="date" readOnly onClick="setDay(this);"> 
* (2)选择日期和小时 <input type="text" name="dateh" readOnly onClick="setDayH(this);"> 
* (3)选择日期和小时及分钟 <input type="text" name="datehm" readOnly onClick="setDayHM(this);"> 
*设置参数的方法 
* (1)设置日期分隔符 setDateSplit(strSplit);默认为"-" 
* (2)设置日期与时间之间的分隔符 setDateTimeSplit(strSplit);默认为" " 
* (3)设置时间分隔符 setTimeSplit(strSplit);默认为":" 
* (4)设置(1),(2),(3)中的分隔符 setSplit(strDateSplit,strDateTimeSplit,strTimeSplit); 
* (5)设置开始和结束年份 setYearPeriod(intDateBeg,intDateEnd) 
*说明: 
* 默认返回的日期时间格式如同:2005-02-02 08:08 
*/ 
//------------------ 样式定义 ---------------------------// 
//功能按钮同样样式 
var s_tiannet_turn_base = "height:16px;font-size:9pt;color:white;border:0 solid #CCCCCC;cursor:hand;background-color:#2650A6;"; 
//翻年、月等的按钮 
var s_tiannet_turn = "width:28px;" + s_tiannet_turn_base; 
//关闭、清空等按钮样式 
var s_tiannet_turn2 = "width:22px;" + s_tiannet_turn_base; 
//年选择下拉框 
var s_tiannet_select = "width:64px;display:none;"; 
//月、时、分选择下拉框 
var s_tiannet_select2 = "width:46px;display:none;"; 
//日期选择控件体的样式 
var s_tiannet_body = "width:150;background-color:#2650A6;display:none;z-index:9998;position:absolute;" + 
"border-left:1 solid #CCCCCC;border-top:1 solid #CCCCCC;border-right:1 solid #999999;border-bottom:1 solid #999999;"; 
//显示日的td的样式 
var s_tiannet_day = "width:21px;height:20px;background-color:#D8F0FC;font-size:10pt;"; 
//字体样式 
var s_tiannet_font = "color:#FFCC00;font-size:9pt;cursor:hand;"; 
//链接的样式 
var s_tiannet_link = "text-decoration:none;font-size:9pt;color:#2650A6;"; 
//横线 
var s_tiannet_line = "border-bottom:1 solid #6699CC"; 
//------------------ 变量定义 ---------------------------// 
var tiannetYearSt = 1950;//可选择的开始年份 
var tiannetYearEnd = 2010;//可选择的结束年份 
var tiannetDateNow = new Date(); 
var tiannetYear = tiannetDateNow.getFullYear(); //定义年的变量的初始值 
var tiannetMonth = tiannetDateNow.getMonth()+1; //定义月的变量的初始值 
var tiannetDay = tiannetDateNow.getDate(); 
var tiannetHour = 8;//tiannetDateNow.getHours(); 
var tiannetMinute = 0;//tiannetDateNow.getMinutes(); 
var tiannetArrDay=new Array(42); //定义写日期的数组 
var tiannetDateSplit = "-"; //日期的分隔符号 
var tiannetDateTimeSplit = " "; //日期与时间之间的分隔符 
var tiannetTimeSplit = ":"; //时间的分隔符号 
var tiannetOutObject; //接收日期时间的对象 
var arrTiannetHide = new Array();//被强制隐藏的标签 
var m_bolShowHour = false;//是否显示小时 
var m_bolShowMinute = false;//是否显示分钟 
 
var m_aMonHead = new Array(12); //定义阳历中每个月的最大天数 
m_aMonHead[0] = 31; m_aMonHead[1] = 28; m_aMonHead[2] = 31; m_aMonHead[3] = 30; m_aMonHead[4] = 31; m_aMonHead[5] = 30; 
m_aMonHead[6] = 31; m_aMonHead[7] = 31; m_aMonHead[8] = 30; m_aMonHead[9] = 31; m_aMonHead[10] = 30; m_aMonHead[11] = 31; 
// ---------------------- 用户可调用的函数 -----------------------------// 
//用户主调函数-只选择日期 
function setDay(obj){ 
tiannetOutObject = obj; 
//如果标签中有值,则将日期初始化为当前值 
var strValue = tiannetTrim(tiannetOutObject.value); 
if( strValue != "" ){ 
tiannetInitDate(strValue); 
} 
tiannetPopCalendar(); 
} 
//用户主调函数-选择日期和小时 
function setDayH(obj){ 
tiannetOutObject = obj; 
m_bolShowHour = true; 
//如果标签中有值,则将日期和小时初始化为当前值 
var strValue = tiannetTrim(tiannetOutObject.value); 
if( strValue != "" ){ 
tiannetInitDate(strValue.substring(0,10)); 
var hour = strValue.substring(11,13); 
if( hour < 10 ) tiannetHour = hour.substring(1,2); 
} 
tiannetPopCalendar(); 
} 
//用户主调函数-选择日期和小时及分钟 
function setDayHM(obj){ 
tiannetOutObject = obj; 
m_bolShowHour = true; 
m_bolShowMinute = true; 
//如果标签中有值,则将日期和小时及分钟初始化为当前值 
var strValue = tiannetTrim(tiannetOutObject.value); 
if( strValue != "" ){ 
tiannetInitDate(strValue.substring(0,10)); 
var time = strValue.substring(11,16); 
var arr = time.split(tiannetTimeSplit); 
tiannetHour = arr[0]; 
tiannetMinute = arr[1]; 
if( tiannetHour < 10 ) tiannetHour = tiannetHour.substring(1,2); 
if( tiannetMinute < 10 ) tiannetMinute = tiannetMinute.substring(1,2); 
} 
tiannetPopCalendar(); 
} 
//设置开始日期和结束日期 
function setYearPeriod(intDateBeg,intDateEnd){ 
tiannetYearSt = intDateBeg; 
tiannetYearEnd = intDateEnd; 
} 
//设置日期分隔符。默认为"-" 
function setDateSplit(strDateSplit){ 
tiannetDateSplit = strDateSplit; 
} 
//设置日期与时间之间的分隔符。默认为" " 
function setDateTimeSplit(strDateTimeSplit){ 
tiannetDateTimeSplit = strDateTimeSplit; 
} 
//设置时间分隔符。默认为":" 
function setTimeSplit(strTimeSplit){ 
tiannetTimeSplit = strTimeSplit; 
} 
//设置分隔符 
function setSplit(strDateSplit,strDateTimeSplit,strTimeSplit){ 
tiannetDateSplit(strDateSplit); 
tiannetDateTimeSplit(strDateTimeSplit); 
tiannetTimeSplit(strTimeSplit); 
} 
//设置默认的日期。格式为:YYYY-MM-DD 
function setDefaultDate(strDate){ 
tiannetYear = strDate.substring(0,4); 
tiannetMonth = strDate.substring(5,7); 
tiannetDay = strDate.substring(8,10); 
} 
//设置默认的时间。格式为:HH24:MI 
function setDefaultTime(strTime){ 
tiannetHour = strTime.substring(0,2); 
tiannetMinute = strTime.substring(3,5); 
} 
// ---------------------- end 用户可调用的函数 -----------------------------// 
//------------------ begin 页面显示部分 ---------------------------// 
var weekName = new Array("日","一","二","三","四","五","六"); 
document.write('<div id="divTiannetDate" style="'+s_tiannet_body+'" style="本日历选择控件由tiannet根据前人经验完善而成!">'); 
document.write('<div align="center" id="divTiannetDateText" Author="tiannet" style="padding-top:2px;">'); 
document.write('<span id="tiannetYearHead" Author="tiannet" style="'+s_tiannet_font+'" '+ 
'onclick="spanYearCEvent();"> 年</span>'); 
document.write('<select id="selTianYear" style="'+s_tiannet_select+'" Author="tiannet" '+ 
' onChange="tiannetYear=this.value;tiannetSetDay(tiannetYear,tiannetMonth);document.all.tiannetYearHead.style.display=\'\';'+ 
'this.style.display=\'none\';">'); 
for(var i=tiannetYearSt;i <= tiannetYearEnd;i ++){ 
document.writeln('<option value="' + i + '">' + i + '年</option>'); 
} 
document.write('</select>'); 
document.write('<span id="tiannetMonthHead" Author="tiannet" style="'+s_tiannet_font+'" '+ 
'onclick="spanMonthCEvent();"> 月</span>'); 
document.write('<select id="selTianMonth" style="'+s_tiannet_select2+'" Author="tiannet" '+ 
'onChange="tiannetMonth=this.value;tiannetSetDay(tiannetYear,tiannetMonth);document.all.tiannetMonthHead.style.display=\'\';'+ 
'this.style.display=\'none\';">'); 
for(var i=1;i <= 12;i ++){ 
document.writeln('<option value="' + i + '">' + i + '月</option>'); 
} 
document.write('</select>'); 
//document.write('</div>'); 
//document.write('<div align="center" id="divTiannetTimeText" Author="tiannet">'); 
document.write('<span id="tiannetHourHead" Author="tiannet" style="'+s_tiannet_font+'display:none;" '+ 
'onclick="spanHourCEvent();"> 时</span>'); 
document.write('<select id="selTianHour" style="'+s_tiannet_select2+'display:none;" Author="tiannet" '+ 
' onChange="tiannetHour=this.value;tiannetWriteHead();document.all.tiannetHourHead.style.display=\'\';' + 
'this.style.display=\'none\';">'); 
for(var i=0;i <= 23;i ++){ 
document.writeln('<option value="' + i + '">' + i + '时</option>'); 
} 
document.write('</select>'); 
document.write('<span id="tiannetMinuteHead" Author="tiannet" style="'+s_tiannet_font+'display:none;" '+ 
'onclick="spanMinuteCEvent();"> 分</span>'); 
document.write('<select id="selTianMinute" style="'+s_tiannet_select2+'display:none;" Author="tiannet" '+ 
' onChange="tiannetMinute=this.value;tiannetWriteHead();document.all.tiannetMinuteHead.style.display=\'\';'+ 
'this.style.display=\'none\';">'); 
for(var i=0;i <= 59;i ++){ 
document.writeln('<option value="' + i + '">' + i + '分</option>'); 
} 
document.write('</select>'); 
document.write('</div>'); 
//输出一条横线 
document.write('<div style="'+s_tiannet_line+'"></div>'); 
document.write('<div align="center" id="divTiannetTurn" style="border:0;" Author="tiannet">'); 
document.write('<input type="button" style="'+s_tiannet_turn+'" value="年↑" title="上一年" onClick="tiannetPrevYear();">'); 
document.write('<input type="button" style="'+s_tiannet_turn+'" value="年↓" title="下一年" onClick="tiannetNextYear();"> '); 
document.write('<input type="button" style="'+s_tiannet_turn+'" value="月↑" title="上一月" onClick="tiannetPrevMonth();">'); 
document.write('<input type="button" style="'+s_tiannet_turn+'" value="月↓" title="下一月" onClick="tiannetNextMonth();">'); 
document.write('</div>'); 
//输出一条横线 
document.write('<div style="'+s_tiannet_line+'"></div>'); 
document.write('<table border=0 cellspacing=0 cellpadding=0 bgcolor=white onselectstart="return false">'); 
document.write(' <tr style="background-color:#2650A6;font-size:10pt;color:white;height:22px;" Author="tiannet">'); 
for(var i =0;i < weekName.length;i ++){ 
//输出星期 
document.write('<td width="21" align="center" Author="tiannet">' + weekName[i] + '</td>'); 
} 
document.write(' </tr>'); 
document.write('</table>'); 
//输出天的选择 
document.write('<table border=0 cellspacing=1 cellpadding=0 bgcolor=white onselectstart="return false">'); 
var n = 0; 
for (var i=0;i<5;i++) { 
document.write (' <tr align=center id="trTiannetDay' + i + '" >'); 
for (var j=0;j<7;j++){ 
document.write('<td align="center" id="tdTiannetDay' + n + '" '+ 
'onClick="tiannetDay=this.innerText;tiannetSetValue(true);" ' 
+' style="' + s_tiannet_day + '"> </td>'); 
n ++; 
} 
document.write (' </tr>'); 
} 
document.write (' <tr align=center id="trTiannetDay5" >'); 
document.write('<td align="center" id="tdTiannetDay35" onClick="tiannetDay=this.innerText;tiannetSetValue(true);" ' 
+' style="' + s_tiannet_day + '"> </td>'); 
document.write('<td align="center" id="tdTiannetDay36" onClick="tiannetDay=this.innerText;tiannetSetValue(true);" ' 
+' style="' + s_tiannet_day + '"> </td>'); 
document.write('<td align="right" colspan="5"><a href="javascript:tiannetClear();" style="' + s_tiannet_link + '">清空</a>'+ 
' <a href="javascript:tiannetHideControl();" style="' + s_tiannet_link + '">关闭</a>' + 
' <a href="javascript:tiannetSetValue(true);" style="' + s_tiannet_link + '">确定</a> ' + 
'</td>'); 
document.write (' </tr>'); 
document.write('</table>'); 
document.write('</div>'); 
//------------------ end 页面显示部分 ---------------------------// 
//------------------ 显示日期时间的span标签响应事件 ---------------------------// 
//单击年份span标签响应 
function spanYearCEvent(){ 
hideElementsById(new Array("selTianYear","tiannetMonthHead"),false); 
if(m_bolShowHour) hideElementsById(new Array("tiannetHourHead"),false); 
if(m_bolShowMinute) hideElementsById(new Array("tiannetMinuteHead"),false); 
hideElementsById(new Array("tiannetYearHead","selTianMonth","selTianHour","selTianMinute"),true); 
} 
//单击月份span标签响应 
function spanMonthCEvent(){ 
hideElementsById(new Array("selTianMonth","tiannetYearHead"),false); 
if(m_bolShowHour) hideElementsById(new Array("tiannetHourHead"),false); 
if(m_bolShowMinute) hideElementsById(new Array("tiannetMinuteHead"),false); 
hideElementsById(new Array("tiannetMonthHead","selTianYear","selTianHour","selTianMinute"),true); 
} 
//单击小时span标签响应 
function spanHourCEvent(){ 
hideElementsById(new Array("tiannetYearHead","tiannetMonthHead"),false); 
if(m_bolShowHour) hideElementsById(new Array("selTianHour"),false); 
if(m_bolShowMinute) hideElementsById(new Array("tiannetMinuteHead"),false); 
hideElementsById(new Array("tiannetHourHead","selTianYear","selTianMonth","selTianMinute"),true); 
} 
//单击分钟span标签响应 
function spanMinuteCEvent(){ 
hideElementsById(new Array("tiannetYearHead","tiannetMonthHead"),false); 
if(m_bolShowHour) hideElementsById(new Array("tiannetHourHead"),false); 
if(m_bolShowMinute) hideElementsById(new Array("selTianMinute"),false); 
hideElementsById(new Array("tiannetMinuteHead","selTianYear","selTianMonth","selTianHour"),true); 
} 
//根据标签id隐藏或显示标签 
function hideElementsById(arrId,bolHide){ 
var strDisplay = ""; 
if(bolHide) strDisplay = "none"; 
for(var i = 0;i < arrId.length;i ++){ 
var obj = document.getElementById(arrId[i]); 
obj.style.display = strDisplay; 
} 
} 
//------------------ end 显示日期时间的span标签响应事件 ---------------------------// 
//判断某年是否为闰年 
function isPinYear(year){ 
var bolRet = false; 
if (0==year%4&&((year%100!=0)||(year%400==0))) { 
bolRet = true; 
} 
return bolRet; 
} 
//得到一个月的天数,闰年为29天 
function getMonthCount(year,month){ 
var c=m_aMonHead[month-1]; 
if((month==2)&&isPinYear(year)) c++; 
return c; 
} 
//重新设置当前的日。主要是防止在翻年、翻月时,当前日大于当月的最大日 
function setRealDayCount() { 
if( tiannetDay > getMonthCount(tiannetYear,tiannetMonth) ) { 
//如果当前的日大于当月的最大日,则取当月最大日 
tiannetDay = getMonthCount(tiannetYear,tiannetMonth); 
} 
} 
//在个位数前加零 
function addZero(value){ 
if(value < 10 ){ 
value = "0" + value; 
} 
return value; 
} 
//取出空格 
function tiannetTrim(str) { 
return str.replace(/(^\s*)|(\s*$)/g,""); 
} 
//为select创建一个option 
function createOption(objSelect,value,text){ 
var option = document.createElement("OPTION"); 
option.value = value; 
option.text = text; 
objSelect.options.add(option); 
} 
//往前翻 Year 
function tiannetPrevYear() { 
if(tiannetYear > 999 && tiannetYear <10000){tiannetYear--;} 
else{alert("年份超出范围(1000-9999)!");} 
tiannetSetDay(tiannetYear,tiannetMonth); 
//如果年份小于允许的最小年份,则创建对应的option 
if( tiannetYear < tiannetYearSt ) { 
tiannetYearSt = tiannetYear; 
createOption(document.all.selTianYear,tiannetYear,tiannetYear + "年"); 
} 
checkSelect(document.all.selTianYear,tiannetYear); 
tiannetWriteHead(); 
} 
//往后翻 Year 
function tiannetNextYear() { 
if(tiannetYear > 999 && tiannetYear <10000){tiannetYear++;} 
else{alert("年份超出范围(1000-9999)!");return;} 
tiannetSetDay(tiannetYear,tiannetMonth); 
//如果年份超过允许的最大年份,则创建对应的option 
if( tiannetYear > tiannetYearEnd ) { 
tiannetYearEnd = tiannetYear; 
createOption(document.all.selTianYear,tiannetYear,tiannetYear + "年"); 
} 
checkSelect(document.all.selTianYear,tiannetYear); 
tiannetWriteHead(); 
} 
//选择今天 
function tiannetToday() { 
tiannetYear = tiannetDateNow.getFullYear(); 
tiannetMonth = tiannetDateNow.getMonth()+1; 
tiannetDay = tiannetDateNow.getDate(); 
tiannetSetValue(true); 
//tiannetSetDay(tiannetYear,tiannetMonth); 
//selectObject(); 
} 
//往前翻月份 
function tiannetPrevMonth() { 
if(tiannetMonth>1){tiannetMonth--}else{tiannetYear--;tiannetMonth=12;} 
tiannetSetDay(tiannetYear,tiannetMonth); 
checkSelect(document.all.selTianMonth,tiannetMonth); 
tiannetWriteHead(); 
} 
//往后翻月份 
function tiannetNextMonth() { 
if(tiannetMonth==12){tiannetYear++;tiannetMonth=1}else{tiannetMonth++} 
tiannetSetDay(tiannetYear,tiannetMonth); 
checkSelect(document.all.selTianMonth,tiannetMonth); 
tiannetWriteHead(); 
} 
//向span标签中写入年、月、时、分等数据 
function tiannetWriteHead(){ 
document.all.tiannetYearHead.innerText = tiannetYear + "年"; 
document.all.tiannetMonthHead.innerText = tiannetMonth + "月"; 
if( m_bolShowHour ) document.all.tiannetHourHead.innerText = " "+tiannetHour + "时"; 
if( m_bolShowMinute ) document.all.tiannetMinuteHead.innerText = tiannetMinute + "分"; 
tiannetSetValue(false);//给文本框赋值,但不隐藏本控件 
} 
//设置显示天 
function tiannetSetDay(yy,mm) { 
 
setRealDayCount();//设置当月真实的日 
tiannetWriteHead(); 
var strDateFont1 = "", strDateFont2 = "" //处理日期显示的风格 
for (var i = 0; i < 37; i++){tiannetArrDay[i]=""}; //将显示框的内容全部清空 
var day1 = 1; 
var firstday = new Date(yy,mm-1,1).getDay(); //某月第一天的星期几 
for (var i = firstday; day1 < getMonthCount(yy,mm)+1; i++){ 
tiannetArrDay[i]=day1;day1++; 
} 
//如果用于显示日的最后一行的第一个单元格的值为空,则隐藏整行。 
//if(tiannetArrDay[35] == ""){ 
// document.all.trTiannetDay5.style.display = "none"; 
//} else { 
// document.all.trTiannetDay5.style.display = ""; 
//} 
for (var i = 0; i < 37; i++){ 
var da = eval("document.all.tdTiannetDay"+i) //书写新的一个月的日期星期排列 
if (tiannetArrDay[i]!="") { 
//判断是否为周末,如果是周末,则改为红色字体 
if(i % 7 == 0 || (i+1) % 7 == 0){ 
strDateFont1 = "<font color=#f0000>" 
strDateFont2 = "</font>" 
} else { 
strDateFont1 = ""; 
strDateFont2 = "" 
} 
da.innerHTML = strDateFont1 + tiannetArrDay[i] + strDateFont2; 
//如果是当前选择的天,则改变颜色 
if(tiannetArrDay[i] == tiannetDay ) { 
da.style.backgroundColor = "#CCCCCC"; 
} else { 
da.style.backgroundColor = "#EFEFEF"; 
} 
da.style.cursor="hand" 
} else { 
da.innerHTML="";da.style.backgroundColor="";da.style.cursor="default" 
} 
}//end for 
tiannetSetValue(false);//给文本框赋值,但不隐藏本控件 
}//end function tiannetSetDay 
//根据option的值选中option 
function checkSelect(objSelect,selectValue) { 
var count = parseInt(objSelect.length); 
if( selectValue < 10 && selectValue.toString().length == 2) { 
selectValue = selectValue.substring(1,2); 
} 
for(var i = 0;i < count;i ++){ 
if(objSelect.options[i].value == selectValue){ 
objSelect.selectedIndex = i; 
break; 
} 
}//for 
} 
//选中年、月、时、分等下拉框 
function selectObject(){ 
//如果年份小于允许的最小年份,则创建对应的option 
if( tiannetYear < tiannetYearSt ) { 
for( var i = tiannetYear;i < tiannetYearSt;i ++ ){ 
createOption(document.all.selTianYear,i,i + "年"); 
} 
tiannetYearSt = tiannetYear; 
} 
//如果年份超过允许的最大年份,则创建对应的option 
if( tiannetYear > tiannetYearEnd ) { 
for( var i = tiannetYearEnd+1;i <= tiannetYear;i ++ ){ 
createOption(document.all.selTianYear,i,i + "年"); 
} 
tiannetYearEnd = tiannetYear; 
} 
checkSelect(document.all.selTianYear,tiannetYear); 
checkSelect(document.all.selTianMonth,tiannetMonth); 
if( m_bolShowHour ) checkSelect(document.all.selTianHour,tiannetHour); 
if( m_bolShowMinute ) checkSelect(document.all.selTianMinute,tiannetMinute); 
} 
//给接受日期时间的控件赋值 
//参数bolHideControl - 是否隐藏控件 
function tiannetSetValue(bolHideControl){ 
var value = ""; 
if( !tiannetDay || tiannetDay == "" ){ 
tiannetOutObject.value = value; 
return; 
} 
var mm = tiannetMonth; 
var day = tiannetDay; 
if( mm < 10 && mm.toString().length == 1) mm = "0" + mm; 
if( day < 10 && day.toString().length == 1) day = "0" + day; 
value = tiannetYear + tiannetDateSplit + mm + tiannetDateSplit + day; 
if( m_bolShowHour ){ 
var hour = tiannetHour; 
if( hour < 10 && hour.toString().length == 1 ) hour = "0" + hour; 
value += tiannetDateTimeSplit + hour; 
} 
if( m_bolShowMinute ){ 
var minute = tiannetMinute; 
if( minute < 10 && minute.toString().length == 1 ) minute = "0" + minute; 
value += tiannetTimeSplit + minute; 
} 
tiannetOutObject.value = value; 
//document.all.divTiannetDate.style.display = "none"; 
if( bolHideControl ) { 
tiannetHideControl(); 
} 
} 
//是否显示时间 
function showTime(){ 
if( !m_bolShowHour && m_bolShowMinute){ 
alert("如果要选择分钟,则必须可以选择小时!"); 
return; 
} 
hideElementsById(new Array("tiannetHourHead","selTianHour","tiannetMinuteHead","selTianMinute"),true); 
if( m_bolShowHour ){ 
//显示小时 
hideElementsById(new Array("tiannetHourHead"),false); 
} 
if( m_bolShowMinute ){ 
//显示分钟 
hideElementsById(new Array("tiannetMinuteHead"),false); 
} 
} 
//弹出显示日历选择控件,以让用户选择 
function tiannetPopCalendar(){ 
//隐藏下拉框,显示相对应的head 
hideElementsById(new Array("selTianYear","selTianMonth","selTianHour","selTianMinute"),true); 
hideElementsById(new Array("tiannetYearHead","tiannetMonthHead","tiannetHourHead","tiannetMinuteHead"),false); 
tiannetSetDay(tiannetYear,tiannetMonth); 
tiannetWriteHead(); 
showTime(); 
var dads = document.all.divTiannetDate.style; 
var iX, iY; 
 
var h = document.all.divTiannetDate.offsetHeight; 
var w = document.all.divTiannetDate.offsetWidth; 
//计算left 
if (window.event.x + h > document.body.offsetWidth - 10 ) 
iX = window.event.x - h - 5 ; 
else 
iX = window.event.x + 5; 
if (iX <0) 
iX=0; 
//计算top 
iY = window.event.y; 
if (window.event.y + w > document.body.offsetHeight - 10 ) 
iY = document.body.scrollTop + document.body.offsetHeight - w - 5 ; 
else 
iY = document.body.scrollTop +window.event.y + 5; 
if (iY <0) 
iY=0; 
dads.left = iX; 
dads.top = iY; 
tiannetShowControl(); 
selectObject(); 
} 
//隐藏日历控件(同时显示被强制隐藏的标签) 
function tiannetHideControl(){ 
document.all.divTiannetDate.style.display = "none"; 
tiannetShowObject(); 
arrTiannetHide = new Array();//将被隐藏的标签对象清空 
} 
//显示日历控件(同时隐藏会遮挡的标签) 
function tiannetShowControl(){ 
document.all.divTiannetDate.style.display = ""; 
tiannetHideObject("SELECT"); 
tiannetHideObject("OBJECT"); 
} 
//根据标签名称隐藏标签。如会遮住控件的select,object 
function tiannetHideObject(strTagName) { 
 
x = document.all.divTiannetDate.offsetLeft; 
y = document.all.divTiannetDate.offsetTop; 
h = document.all.divTiannetDate.offsetHeight; 
w = document.all.divTiannetDate.offsetWidth; 
 
for (var i = 0; i < document.all.tags(strTagName).length; i++) 
{ 
 
var obj = document.all.tags(strTagName)[i]; 
if (! obj || ! obj.offsetParent) 
continue; 
// 获取元素对于BODY标记的相对坐标 
var objLeft = obj.offsetLeft; 
var objTop = obj.offsetTop; 
var objHeight = obj.offsetHeight; 
var objWidth = obj.offsetWidth; 
var objParent = obj.offsetParent; 
 
while (objParent.tagName.toUpperCase() != "BODY"){ 
objLeft += objParent.offsetLeft; 
objTop += objParent.offsetTop; 
objParent = objParent.offsetParent; 
} 
//alert("控件左端:" + x + "select左端" + (objLeft + objWidth) + "控件底部:" + (y+h) + "select高:" + objTop); 
 
var bolHide = true; 
if( obj.style.display == "none" || obj.style.visibility == "hidden" || obj.getAttribute("Author") == "tiannet" ){ 
//如果标签本身就是隐藏的,则不需要再隐藏。如果是控件中的下拉框,也不用隐藏。 
bolHide = false; 
} 
if( ( (objLeft + objWidth) > x && (y + h + 20) > objTop && (objTop+objHeight) > y && objLeft < (x+w) ) && bolHide ){ 
//arrTiannetHide.push(obj);//记录被隐藏的标签对象 
arrTiannetHide[arrTiannetHide.length] = obj; 
obj.style.visibility = "hidden"; 
} 
 
 
} 
} 
//显示被隐藏的标签 
function tiannetShowObject(){ 
for(var i = 0;i < arrTiannetHide.length;i ++){ 
//alert(arrTiannetHide[i]); 
arrTiannetHide[i].style.visibility = ""; 
} 
} 
//初始化日期。 
function tiannetInitDate(strDate){ 
var arr = strDate.split(tiannetDateSplit); 
tiannetYear = arr[0]; 
tiannetMonth = arr[1]; 
tiannetDay = arr[2]; 
} 
//清空 
function tiannetClear(){ 
tiannetOutObject.value = ""; 
tiannetHideControl(); 
} 
//任意点击时关闭该控件 
function document.onclick(){ 
with(window.event.srcElement){ 
if (tagName != "INPUT" && getAttribute("Author") != "tiannet") 
tiannetHideControl(); 
} 
} 
//按ESC键关闭该控件 
function document.onkeypress(){ 
if( event.keyCode == 27 ){ 
tiannetHideControl(); 
} 
} 
</script> 
(1)只选择日期 <input type="text" name="date" readOnly onClick="setDay(this);"><br/> 
(2)选择日期和小时 <input type="text" name="dateh" readOnly onClick="setDayH(this);"><br/> 
(3)选择日期和小时及分钟 <input type="text" name="datehm" readOnly onClick="setDayHM(this);"> 
<p>&nbsp;</p> 
 
 

 

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评论
2 楼 shanshan518 2012-08-21  
兼容性不好,还有没有精确到秒,楼主
1 楼 woozyangel 2011-07-26  
引用了你的代码
但是  在火狐下悲剧了~~

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