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JavaScript:变色日历

本文出自: 作者: Liming Weng (2001-06-27 17:04:00)

加上下面这段源代码在与之间：

var gdCurDate = new Date();
var giYear = gdCurDate.getFullYear();
var giMonth = gdCurDate.getMonth()+1;
var giDay = gdCurDate.getDate();
var VicPopCal = new Object();

//****************************************************************************
// Param: popCtrl is the widget beyond which you want this calendar to appear;
//        dateCtrl is the widget into which you want to put the selected date;
//        popCal is the widget to display the calendar;  
// i.e.: <input type="text" name="dc" style="text-align:center" readonly><INPUT type="button" value="V" onclick="fPopCalendar(dc,dc,popCal);return false">
//****************************************************************************
function fPopCalendar(popCtrl, dateCtrl, popCal){
  parent.event.cancelBubble=true;
  VicPopCal = popCal;
  gdCtrl = dateCtrl;
  fSetYearMon(giYear, giMonth);
  var point = fGetXY(popCtrl);
  with (VicPopCal.style) {
  	left = point.x;
	top  = point.y+popCtrl.offsetHeight+1;
	visibility = 'visible';
  }
  VicPopCal.focus();
  // in order to make compatible with IE4.x , here I cut two line below off.
  // VicPopCal.all("popFrame").width=document.all("popTable").offsetWidth;
  // VicPopCal.all("popFrame").height=document.all("popTable").offsetHeight;
  // if u only target on IE5.x, uncommented them and delete the width&height prop in <IFrame> tag
  // thus you will find the 3rd para in fDrawCal() now works perfectly.
}

function fSetDate(iYear, iMonth, iDay){
  gdCtrl.value = iMonth+"-"+iDay+"-"+iYear; //Here, you could modify the locale as you need !!!!
  VicPopCal.style.visibility = "hidden";
}

function fSetSelected(aCell){
  var iOffset = 0;
  var iYear = parseInt(tbSelYear.value);
  var iMonth = parseInt(tbSelMonth.value);

aCell.bgColor = gcBG;
  with (aCell.children["cellText"]){
  	var iDay = parseInt(innerText);
  	if (color==gcGray)
		iOffset = (Victor<10)?-1:1;
	iMonth += iOffset;
	if (iMonth<1) {
		iYear--;
		iMonth = 12;
	}else if (iMonth>12){
		iYear++;
		iMonth = 1;
	}
  }
  fSetDate(iYear, iMonth, iDay);
}

function Point(iX, iY){
	this.x = iX;
	this.y = iY;
}

function fBuildCal(iYear, iMonth) {
  var aMonth=new Array();
  for(i=1;i<7;i++)
  	aMonth[i]=new Array(i);

var dCalDate=new Date(iYear, iMonth-1, 1);
  var iDayOfFirst=dCalDate.getDay();
  var iDaysInMonth=new Date(iYear, iMonth, 0).getDate();
  var iOffsetLast=new Date(iYear, iMonth-1, 0).getDate()-iDayOfFirst+1;
  var iDate = 1;
  var iNext = 1;

for (d = 0; d < 7; d++)
	aMonth[1][d] = (d<iDayOfFirst)?-(iOffsetLast+d):iDate++;
  for (w = 2; w < 7; w++)
  	for (d = 0; d < 7; d++)
		aMonth[w][d] = (iDate<=iDaysInMonth)?iDate++:-(iNext++);
  return aMonth;
}

function fDrawCal(iYear, iMonth, iCellWidth, iDateTextSize) {
  var WeekDay = new Array("Su","Mo","Tu","We","Th","Fr","Sa");
  var styleTD = " bgcolor='"+gcBG+"' width='"+iCellWidth+"' bordercolor='"+gcBG+"' valign='middle' align='center'  style='font:bold "+iDateTextSize+" Courier;";            //Coded by Liming Weng(Victor Won)  email:victorwon@netease.com

with (document) {
	write("<tr>");
	for(i=0; i<7; i++)
		write("<td "+styleTD+"color:#990099' >" + WeekDay[i] + "</td>");
	write("</tr>");

for (w = 1; w < 7; w++) {
		write("<tr>");
		for (d = 0; d < 7; d++) {
			write("<td id=calCell "+styleTD+"cursor:hand;' onMouseOver='this.bgColor=gcToggle' onMouseOut='this.bgColor=gcBG' onclick='fSetSelected(this)'>");
			write("<font id=cellText Victor='Liming Weng'> </font>");
			write("</td>")
		}
		write("</tr>");
	}
  }
}

function fSetYearMon(iYear, iMon){
  tbSelMonth.options[iMon-1].selected = true;
  for (i = 0; i < tbSelYear.length; i++)
	if (tbSelYear.options[i].value == iYear)
		tbSelYear.options[i].selected = true;
  fUpdateCal(iYear, iMon);
}

function fPrevMonth(){
  var iMon = tbSelMonth.value;
  var iYear = tbSelYear.value;

if (--iMon<1) {
	  iMon = 12;
	  iYear--;
  }

fSetYearMon(iYear, iMon);
}

function fNextMonth(){
  var iMon = tbSelMonth.value;
  var iYear = tbSelYear.value;

if (++iMon>12) {
	  iMon = 1;
	  iYear++;
  }

fSetYearMon(iYear, iMon);
}

function fGetXY(aTag){
  var oTmp = aTag;
  var pt = new Point(0,0);
  do {
  	pt.x += oTmp.offsetLeft;
  	pt.y += oTmp.offsetTop;
  	oTmp = oTmp.offsetParent;
  } while(oTmp.tagName!="BODY");
  return pt;
}

var gMonths = new Array("Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec");

with (document) {
write("<table id='popTable' border='0' bgcolor='#6699cc'>");
write("<TR>");
write("<td valign='middle' align='center'><input type='button' name='PrevMonth' value='<' style='height:20;width:20;FONT:16 Fixedsys' onClick='fPrevMonth()'>");
write(" <select name='tbSelMonth' onChange='fUpdateCal(tbSelYear.value, tbSelMonth.value)' Victor='Won'>");
for (i=0; i<12; i++)
	write("<option value='"+(i+1)+"'>"+gMonths[i]+"</option>");
write("</SELECT>");
write(" <SELECT name='tbSelYear' onChange='fUpdateCal(tbSelYear.value, tbSelMonth.value)' Victor='Won'>");
for(i=1990;i<2015;i++)
	write("<OPTION value='"+i+"'>"+i+"</OPTION>");
write("</SELECT>");
write(" <input type='button' name='PrevMonth' value='>' style='height:20;width:20;FONT:16 Fixedsys' onclick='fNextMonth()'>");
write("</td>");
write("</TR><TR>");
write("<td align='center'>");
write("<DIV style='background-color:teal;'><table width='100%' border='0' cellpadding='2'>");
fDrawCal(giYear, giMonth, 19, 12);
write("</table></DIV>");
write("</td>");
write("</TR><TR><TD align='center'>");
write("<font style='cursor:hand;font:12 Fixedsys' onclick='fSetDate(giYear,giMonth,giDay)' onMouseOver='this.style.color=gcToggle' onMouseOut='this.style.color=0'>Today:  "+gMonths[giMonth-1]+" "+giDay+", "+giYear+"</font>");
write("</TD></TR>");write("</TD></TR>");
write("</TABLE>");
}
// End -- Coded by Liming Weng, email: victorwon@netease.com -->
</script>

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