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我所完成的一个日期控件(在人家基础上修改的)

作者：未知来源：月光软件站 加入时间：2005-2-28　月光软件站

//==================================================== 参数设定部分 =======================================================
var bMoveable=true; //设置日历是否可以拖动
var _VersionInfo="" //版本信息

//==================================================== WEB 页面显示部分 =====================================================
var strFrame;  //存放日历层的HTML代码
document.writeln('<iframe id=meizzDateLayer Author=wayx frameborder=0 scrolling=no style="position: absolute; width: 144; height: 211; z-index: 9998; display: none"></iframe>');
strFrame='<style>';
strFrame+='INPUT.button{BORDER-RIGHT: #ff9900 1px solid;BORDER-TOP: #ff9900 1px solid;BORDER-LEFT: #ff9900 1px solid;';
strFrame+='BORDER-BOTTOM: #ff9900 1px solid;BACKGROUND-COLOR: #fff8ec;font-family:宋体;}';
strFrame+='TD{FONT-SIZE: 9pt;font-family:宋体;}';
strFrame+='</style>';
strFrame+='<scr' + 'ipt>';
strFrame+='var datelayerx,datelayery; /*存放日历控件的鼠标位置*/';
strFrame+='var bDrag; /*标记是否开始拖动*/';
strFrame+='function document.onmousemove() /*在鼠标移动事件中，如果开始拖动日历，则移动日历*/';
strFrame+='{if(bDrag && window.event.button==1)';
strFrame+=' {var DateLayer=parent.document.all.meizzDateLayer.style;';
strFrame+='  DateLayer.posLeft += window.event.clientX-datelayerx;/*由于每次移动以后鼠标位置都恢复为初始的位置，因此写法与div中不同*/';
strFrame+='  DateLayer.posTop += window.event.clientY-datelayery;}}';
strFrame+='function DragStart()  /*开始日历拖动*/';
strFrame+='{var DateLayer=parent.document.all.meizzDateLayer.style;';
strFrame+=' datelayerx=window.event.clientX;';
strFrame+=' datelayery=window.event.clientY;';
strFrame+=' bDrag=true;}';
strFrame+='function DragEnd(){  /*结束日历拖动*/';
strFrame+=' bDrag=false;}';
strFrame+='</scr' + 'ipt>';
strFrame+='<div style="z-index:9999;position: absolute; left:0; top:0;" onselectstart="return false"><span id=tmpSelectYearLayer Author=wayx style="z-index: 9999;position: absolute;top: 3; left: 19;display: none"></span>';
strFrame+='<span id=tmpSelectMonthLayer Author=wayx style="z-index: 9999;position: absolute;top: 3; left: 78;display: none"></span>';
strFrame+='<table border=1 cellspacing=0 cellpadding=0 width=142 height=160 bordercolor=#ff9900 bgcolor=#ff9900 Author="wayx">';
strFrame+=' <tr Author="wayx"><td width=142 height=23 Author="wayx" bgcolor=#FFFFFF><table border=0 cellspacing=1 cellpadding=0 width=140 Author="wayx" height=23>';
strFrame+='      <tr align=center Author="wayx"><td width=16 align=center bgcolor=#ff9900 style="font-size:12px;cursor: hand;color: #ffffff" ';
strFrame+='        onclick="parent.meizzPrevM()" title="向前翻 1 月" Author=meizz><b Author=meizz><</b>';
strFrame+='        </td><td width=60 align=center style="font-size:12px;cursor:default" Author=meizz ';
strFrame+='onmouseover="style.backgroundColor=\'#FFD700\'" onmouseout="style.backgroundColor=\'white\'" ';
strFrame+='onclick="parent.tmpSelectYearInnerHTML(this.innerText.substring(0,4))" title="点击这里选择年份"><span Author=meizz id=meizzYearHead></span></td>';
strFrame+='<td width=48 align=center style="font-size:12px;cursor:default" Author=meizz onmouseover="style.backgroundColor=\'#FFD700\'" ';
strFrame+=' onmouseout="style.backgroundColor=\'white\'" 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 Author=meizz></span></td>';
strFrame+='        <td width=16 bgcolor=#ff9900 align=center style="font-size:12px;cursor: hand;color: #ffffff" ';
strFrame+='         onclick="parent.meizzNextM()" title="向后翻 1 月" Author=meizz><b Author=meizz>></b></td></tr>';
strFrame+='    </table></td></tr>';
strFrame+=' <tr Author="wayx"><td width=142 height=18 Author="wayx">';
strFrame+='<table border=1 cellspacing=0 cellpadding=0 bgcolor=#ff9900 ' + (bMoveable? 'onmousedown="DragStart()" onmouseup="DragEnd()"':'');
strFrame+=' BORDERCOLORLIGHT=#FF9900 BORDERCOLORDARK=#FFFFFF width=140 height=20 Author="wayx" style="cursor:' + (bMoveable ? 'move':'default') + '">';
strFrame+='<tr Author="wayx" align=center valign=bottom><td Author="meizz" align="center" style="font-size:9pt;color:red;font-weight:bold" bgcolor="#66aa77">日</td>';
strFrame+='<td Author="meizz" align="center" style="font-size:9pt;color:white;font-weight:bold" bgcolor="#66aa77">一</td><td Author="meizz" align="center" style="font-size:9pt;color:white;font-weight:bold" bgcolor="#66aa77">二</td>';
strFrame+='<td Author="meizz" align="center" style="font-size:9pt;color:white;font-weight:bold" bgcolor="#66aa77">三</td><td Author="meizz" align="center" style="font-size:9pt;color:white;font-weight:bold" bgcolor="#66aa77">四</td>';
strFrame+='<td Author="meizz" align="center" style="font-size:9pt;color:white;font-weight:bold" bgcolor="#66aa77">五</td><td Author="meizz" align="center" style="font-size:9pt;color:white;font-weight:bold" bgcolor="#66aa77">六</td></tr>';
strFrame+='</table></td></tr>';
strFrame+=' <tr Author="wayx"><td width=142 height=120 Author="wayx">';
strFrame+='    <table border=1 cellspacing=2 cellpadding=0 BORDERCOLORLIGHT=#FF9900 BORDERCOLORDARK=#FFFFFF bgcolor=#fff8ec width=140 height=120 Author="wayx">';
var n=0; for (j=0;j<5;j++){ strFrame+= ' <tr align=center Author="wayx">'; for (i=0;i<7;i++){
strFrame+='<td width=20 height=20 id=meizzDay'+n+' style="font-size:12px" Author=meizz onclick=parent.meizzDayClick(this.innerText,0)></td>';n++;}
strFrame+='</tr>';}
strFrame+='      <tr align=center Author="wayx">';
for (i=35;i<39;i++)strFrame+='<td width=20 height=20 id=meizzDay'+i+' style="font-size:12px" Author=wayx onclick="parent.meizzDayClick(this.innerText,0)"></td>';
strFrame+='        <td colspan=3 align=center Author=meizz><span onclick=parent.meizzDayClick(\"\",0) style="font-size:10px;cursor: hand"';
strFrame+='         Author=meizz title="清空"><u><font face="Webdings" color="red" size="2px">=</font></u></span> <span onclick=parent.closeLayer() style="font-size:10px;cursor: hand"';
strFrame+='         Author=meizz title="关闭"><u><font face="Webdings" color="red" size="2px">r</font></u></span> </td></tr>';
strFrame+='    </table></td></tr><tr Author="wayx"><td Author="wayx">';
strFrame+='        <table border=0 cellspacing=1 cellpadding=0 width=100% Author="wayx" bgcolor=#FFFFFF>';
strFrame+='          <tr Author="wayx"><td Author=meizz align=left><input Author=meizz type=button class=button value="7" title="向前翻 1 年" onclick="parent.meizzPrevY()" ';
strFrame+='             onfocus="this.blur()" style="font-family:Webdings;font-size: 12px; height: 20px;cursor:hand"><input Author=meizz class=button title="向前翻 1 月" type=button ';
strFrame+='             value="3" onclick="parent.meizzPrevM()" onfocus="this.blur()" style="font-family:Webdings;font-size: 12px; height: 20px;cursor:hand"></td><td ';
strFrame+='             Author=meizz align=center><input Author=meizz type=button class=button value=Today onclick="parent.meizzToday()" ';
strFrame+='             onfocus="this.blur()" title="当前日期" style="font-size: 12px; height: 20px; cursor:hand"></td><td ';
strFrame+='             Author=meizz align=right><input Author=meizz type=button class=button value="4" onclick="parent.meizzNextM()" ';
strFrame+='             onfocus="this.blur()" title="向后翻 1 月" class=button style="font-family:Webdings;font-size: 12px; height: 20px;cursor:hand"><input ';
strFrame+='             Author=meizz type=button class=button value="8" title="向后翻 1 年" onclick="parent.meizzNextY()"';
strFrame+='             onfocus="this.blur()" style="font-family:Webdings;font-size: 12px; height: 20px;cursor:hand"></td>';
strFrame+='</tr></table></td></tr></table></div>';

window.frames.meizzDateLayer.document.writeln(strFrame);
window.frames.meizzDateLayer.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 odatelayer=window.frames.meizzDateLayer.document.all;  //存放日历对象
function showcal(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.meizzDateLayer.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;}
var dads_top = (ttyp=="image")? ttop+thei : ttop+thei+6;
if(dads_top+211>document.body.scrollTop+document.body.clientHeight){
     dads.top=dads_top-211-thei-6;
}
else{
     dads.top = dads_top;
}
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})$/;
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;  //保存外部传入的日期
  }
  else outDate="";
   meizzSetDay(r[1],r[2]+1);
}
else{
  outDate="";
  meizzSetDay(new Date().getFullYear(), new Date().getMonth() + 1);
}
dads.display = '';

event.returnValue=false;
}

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 meizzWDay=new Array(39); //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.getAttribute("Author")==null && 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.getAttribute("Author")==null && document.activeElement != outObject && document.activeElement != outButton)
  {
   closeLayer();
  }
}

function meizzWriteHead(yy,mm) //往 head 中写入当前的年与月
{
odatelayer.meizzYearHead.innerText = yy + " 年";
odatelayer.meizzMonthHead.innerText = mm + " 月";
}

}

function closeLayer()               //这个层的关闭
{

    document.all.meizzDateLayer.style.display="none";

}

function posCuros(){
    if(outObject){
     var pn = parseInt(outObject.value.length);
        if(isNaN(pn))
       return;
     var rng = outObject.createTextRange();
     rng.moveStart("character",pn);
     rng.collapse(false);
     rng.select();
        //outObject.focus();
    }
}

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;
}

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