“JavaScript做的日历”改进版
时间:2007-02-17 来源:PHP爱好者
  这是对原日历控件做了改进,始之更符合中国人的习惯。改进后的代码如下面,将其存为rl.asp然后在需要调用的文件中加入<!--#INCLUDE file="rl.asp" -->,在控件中的调用如下,主要为onfocus和onblur事件<input name="gcrq" type="text" id="gcrq" value="<%=date(now)%>" onFocus="CreateMonthView(this)" onBlur="DeleteMonthView(this)">
  rl.asp主要内容
  <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
  <Script language="javascript">
<!--
//this is jsMonthView 1.0, author is Chinese DengKang (2002-07-12).
//I allow your do any modify, but i don't bear any liability.
//browser: IE 4 and later
function DefineMonthView(theTextObject){ //the month view construct function
this.GetOnlyName = function( ){ //create one and only name on the document
var theName = "MV"; //prefix
var aryName = new Array();
aryName[0] = "_MonthView"; //the month view main body's name postfix
aryName[1] = "_MonthGrid"; //the month view day area's name postfix
aryName[2] = "_goPreviousMonth"; //the month view go previous month button's name postfix
aryName[3] = "_goNextMonth"; //the month view go next month button's name postfix
aryName[4] = "_YearList"; //the month view year list's name postfix
aryName[5] = "_MonthList"; //the month view month list's name postfix
aryName[6] = "_DayList"; //keep the month view current day's element name postfix
var i = -1, j = 0, maxi = 2000;
var exTag = true;
while ((exTag == true) && (i <maxi)){
i++;
exTag = false;
for (j=0;j<aryName.length;j++){
if (document.all.item(theName + i.toString() + aryName[j]) != null){
exTag = true;
}
}
}
if (exTag == false){
return(theName + i.toString());
}else{
return("_" + theName);
}
}
var theName = this.GetOnlyName();
this.Name = theName; //the month view name
this.Source = theTextObject; //the month view act on theTextObject
this.MinYear = 1970; //year list min value
//return between 1000 and 9999 and <= this.MaxYear
this.MaxYear = 2030; //year list max value
//return between 1000 and 9999 and >= this.MinYear
this.Width = 200; //the month view main body's width
this.Height = 120; //the month view main body's height
this.DateFormat = "<yyyy>-<mm>-<dd>"; //the date format
//<yy> or <yyyy> is year, <m> or <mm> is digital format month, <MMM> or <MMMMMM> is character format month, <d> or <dd> is day, other char unchanged
//this function setting year, month and day sequence
//example:
// <yyyy>-<mm>-<dd> : 2002-04-01
// <yy>.<m>.<d> : 02.4.1
// <yyyy> Year <MMMMMM> Month <d> Day : 2002 Year April Month 1 Day
// <m>/<d>/<yy> : 4/1/02
// <MMM> <dd>, <yyyy> : Apr 01, 2002
// <MMMMMM> <d>, <yyyy> : April 1, 2002
// <dd> <MMM> <yyyy> : 01 Apr 2002
// <dd>/<mm>/<yyyy> : 01/04/2002
this.UnselectBgColor = "#FFFFFF"; //the month view default background color
this.SelectedBgColor = "#808080"; //the selected date background color
this.SelectedColor = "#FFFFFF"; //the selected date front color
this.DayBdWidth = "1"; //the day unit border width, unit is px
this.DayBdColor = this.UnselectBgColor; //the day unit border color,default is this.UnselectBgColor
this.TodayBdColor = "#FF0000"; //denote today's date border color
this.InvalidColor = "#808080"; //it is not current month day front color
this.ValidColor = "#0000FF"; //it is current month day front color
this.WeekendBgColor = this.UnselectBgColor; //the weekend background color, default is this.UnselectBgColor
this.WeekendColor = this.ValidColor; //the weekend front color, default is this.ValidColor
this.YearListStyle = "font-size:12px; font-family:宋体;"; //the year list's style
this.MonthListStyle = "font-size:12px; font-family:宋体;"; //the month list's style
this.MonthName = new Array(); //month name list, font is include this.MonthListStyle
this.MonthName[0] = "1月";
this.MonthName[1] = "2月";
this.MonthName[2] = "3月";
this.MonthName[3] = "4月";
this.MonthName[4] = "5月";
this.MonthName[5] = "6月";
this.MonthName[6] = "7月";
this.MonthName[7] = "8月";
this.MonthName[8] = "9月";
this.MonthName[9] = "10月";
this.MonthName[10] = "11月";
this.MonthName[11] = "12月";
this.TitleStyle = "cursor:default; color:#000000; background-color:" + this.UnselectBgColor + "; font-size:16px; font-weight:bolder; font-family:Times new roman; text-align:center; vertical-align:bottom;"; //the month view title area's style
this.WeekName = new Array(); //week name list, font is include this.TitleStyle
this.WeekName[0] = "日";
this.WeekName[1] = "一";
this.WeekName[2] = "二";
this.WeekName[3] = "三";
this.WeekName[4] = "四";
this.WeekName[5] = "五";
this.WeekName[6] = "六";
this.FooterStyle = "cursor:hand; color:#000000; background-color:" + this.UnselectBgColor + "; font-size:12px; font-family:Verdana; text-align:left; vertical-align:middle;"; //the month footer area's style
this.TodayTitle = "今天:"; //today tip string, font is include this.FooterStyle
this.MonthBtStyle = "font-family:Marlett; font-size:12px;"; //the change month button style
this.PreviousMonthText = "3"; //the go previous month button text
//font is include this.MonthBtStyle
this.NextMonthText = "4"; //the go next month button text
//font is include this.MonthBtStyle
this.MonthGridStyle = "border-width:1px; border-style:solid; border-color:#000000;"; //the month view main body's default style
this.HeaderStyle = " background-color:menu;"; //the month view header area's style
this.LineBgStyle = " background-color:" + this.UnselectBgColor + "; text-align:center; vertical-align:middle;"; //the month view title area and day area compart area background style
this.LineStyle = "width:90%; background-color:#000000;"; //the month view title area and day area compart area front style
this.DayStyle = "cursor:hand; font-size:12px; font-family:Verdana; text-align:center; vertical-align:middle;"; //the month view day area's style
this.OverDayStyle = "this.style.textDecoration='underline';"; //the mouse over a day style
this.OutDayStyle = "this.style.textDecoration='none';"; //the mouse out a day style
this.GetoffsetLeft = function(theObject){ //return theObject's absolute offsetLeft
var absLeft = 0;
var thePosition="";
var tmpObject = theObject;
while (tmpObject != null){
thePosition = tmpObject.position;
tmpObject.position = "static";
absLeft += tmpObject.offsetLeft;
tmpObject.position = thePosition;
tmpObject = tmpObject.offsetParent;
}
return absLeft;
}
this.GetoffsetTop = function(theObject){ //return theObj's absolute offsetTop
var absTop = 0;
var thePosition = "";
var tmpObject = theObject;
while (tmpObject != null){
thePosition = tmpObject.position;
tmpObject.position = "static";
absTop += tmpObject.offsetTop;
tmpObject.position = thePosition;
tmpObject = tmpObject.offsetParent;
}
return absTop;
}
this.GetFormatYear = function(theYear){//format theYear to 4 digit
var tmpYear = theYear;
if (tmpYear <100){
tmpYear += 1900;
if (tmpYear <1970){
tmpYear += 100;
}
}
if (tmpYear <this.MinYear){
tmpYear = this.MinYear;
}
if (tmpYear > this.MaxYear){
tmpYear = this.MaxYear;
}
return(tmpYear);
}
this.GetMonthDays = function(theYear, theMonth){ //get theYear and theMonth days number
var theDays = new Array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
var theMonthDay = 0, tmpYear = this.GetFormatYear(theYear);
theMonthDay = theDays[theMonth];
if (theMonth == 1){ //theMonth is February
if(((tmpYear % 4 == 0) && (tmpYear % 100 != 0)) || (tmpYear % 400 == 0)){
theMonthDay++;
}
}
return(theMonthDay);
}
this.SetDateFormat = function(theYear, theMonth, theDay){//format a date to this.DateFormat
var theDate = this.DateFormat;
var tmpYear = this.GetFormatYear(theYear);
var tmpMonth = theMonth;
if (tmpMonth <0){
tmpMonth = 0;
}
if (tmpMonth > 11){
tmpMonth = 11;
}
var tmpDay = theDay;
if (tmpDay <1){
tmpDay = 1;
}else{
tmpDay = this.GetMonthDays(tmpYear, tmpMonth);
if (theDay <tmpDay){
tmpDay = theDay;
}
}
theDate = theDate.replace(/<yyyy>/g, tmpYear.toString());
theDate = theDate.replace(/<yy>/g, tmpYear.toString().substr(2,2));
theDate = theDate.replace(/<MMMMMM>/g, this.MonthName[tmpMonth]);
theDate = theDate.replace(/<MMM>/g, this.MonthName[tmpMonth].substr(0,3));
if (theMonth <9){
theDate = theDate.replace(/<mm>/g, "0" + (tmpMonth + 1).toString());
}else{
theDate = theDate.replace(/<mm>/g, (tmpMonth + 1).toString());
}
theDate = theDate.replace(/<m>/g, (tmpMonth + 1).toString());
if (theDay <10){
theDate = theDate.replace(/<dd>/g, "0" + tmpDay.toString());
}else{
theDate = theDate.replace(/<dd>/g, tmpDay.toString());
}
theDate = theDate.replace(/<d>/g, tmpDay.toString());
return(theDate);
  }
  this.GetTextDate = function(theString){ //convert a string to a date, if the string is not a date, return a empty string
  var i = 0, tmpChar = "", find_tag = "";
  var start_at = 0, end_at = 0, year_at = 0, month_at = 0, day_at = 0;
  var tmp_at = 0, one_at = 0, two_at = 0, one_days = 0, two_days = 0;
  var aryDate = new Array();
  var tmpYear = -1, tmpMonth = -1, tmpDay = -1;
  var tmpDate = theString.toLowerCase();
  var defDate = "";
  end_at = tmpDate.length;
  for (i=1;i<end_at;i++){
  if (tmpDate.charAt(i)=="0"){
  tmpChar = tmpDate.charAt(i-1);
  if (tmpChar<"0" || tmpChar>"9"){
  tmpDate = tmpDate.substr(0,i-1) + "-" + tmpDate.substr(i+1);
  }
  }
  }
  for (i=0;i<9;i++){
  tmpDate = tmpDate.replace(this.MonthName.toLowerCase().substr(0,3), "-00" + (i+1).toString() + "-");
  }
  for (i=9;i<12;i++){
  tmpDate = tmpDate.replace(this.MonthName.toLowerCase().substr(0,3), "-0" + (i+1).toString() + "-");
  }
  tmpDate = tmpDate.replace(/jan/g, "-001-");
  tmpDate = tmpDate.replace(/feb/g, "-002-");
  tmpDate = tmpDate.replace(/mar/g, "-003-");
  tmpDate = tmpDate.replace(/apr/g, "-004-");
  tmpDate = tmpDate.replace(/may/g, "-005-");
  tmpDate = tmpDate.replace(/jun/g, "-006-");
  tmpDate = tmpDate.replace(/jul/g, "-007-");
  tmpDate = tmpDate.replace(/aug/g, "-008-");
  tmpDate = tmpDate.replace(/sep/g, "-009-");
  tmpDate = tmpDate.replace(/oct/g, "-010-");
  tmpDate = tmpDate.replace(/nov/g, "-011-");
  tmpDate = tmpDate.replace(/dec/g, "-012-");
  for (i=0;i<tmpDate.length;i++){
  tmpChar = tmpDate.charAt(i);
  if ((tmpChar<"0" || tmpChar>"9") && (tmpChar != "-")){
  tmpDate = tmpDate.replace(tmpChar,"-")
  }
  }
  while(tmpDate.indexOf("--") != -1){
  tmpDate = tmpDate.replace(/--/g,"-");
  }
  start_at = 0;
  end_at = tmpDate.length-1;
  while (tmpDate.charAt(start_at)=="-"){
  start_at++;
  }
  while (tmpDate.charAt(end_at)=="-"){
  end_at--;
  }
  if (start_at <end_at+1){
  tmpDate = tmpDate.substring(start_at,end_at+1);
  }else{
  tmpDate = "";
  }
  aryDate = tmpDate.split("-");
  if (aryDate.length != 3){
  return(defDate);
  }
  for (i=0;i<3;i++){
  if (parseInt(aryDate,10)<1){
  aryDate = "1";
  }
  }
  find_tag="000";
  for (i=2;i>=0;i--){
  if (aryDate.length==3){
  if (aryDate>="001" && aryDate<="012"){
  tmpMonth = parseInt(aryDate,10)-1;
  switch (i){
  case 0:
  find_tag = "100";
  one_at = parseInt(aryDate[1],10);
  two_at = parseInt(aryDate[2],10);
  break;
  case 1:
  find_tag = "010";
  one_at = parseInt(aryDate[0],10);
  two_at = parseInt(aryDate[2],10);
  break;
  case 2:
  find_tag = "001";
  one_at = parseInt(aryDate[0],10);
  two_at = parseInt(aryDate[1],10);
  break;
  }
  }
  }
  }
  if (find_tag!="000"){
  one_days = this.GetMonthDays(two_at,tmpMonth);
  two_days = this.GetMonthDays(one_at,tmpMonth);
  if ((one_at>one_days)&&(two_at>two_days)){
  return(defDate);
  }
  if ((one_at<=one_days)&&(two_at>two_days)){
  tmpYear = this.GetFormatYear(two_at);
  tmpDay = one_at;
  }
  if ((one_at>one_days)&&(two_at<=two_days)){
  tmpYear = this.GetFormatYear(one_at);
  tmpDay = two_at;
  }
  if ((one_at<=one_days)&&(two_at<=two_days)){
  tmpYear = this.GetFormatYear(one_at);
  tmpDay = two_at;
  tmpDate = this.DateFormat;
  year_at = tmpDate.indexOf("<yyyy>");
  if (year_at == -1){
  year_at = tmpDate.indexOf("<yy>");
  }
  day_at = tmpDate.indexOf("<dd>");
  if (day_at == -1){
  day_at = tmpDate.indexOf("<d>");
  }
  if (year_at >= day_at){
  tmpYear = this.GetFormatYear(two_at);
  tmpDay = one_at;
  }
  }
  return(new Date(tmpYear, tmpMonth, tmpDay));
  }
  find_tag = "000";
  for (i=2;i>=0;i--){
  if (parseInt(aryDate,10)>31){
  tmpYear = this.GetFormatYear(parseInt(aryDate,10));
  switch (i){
  case 0:
  find_tag = "100";
  one_at = parseInt(aryDate[1],10);
  two_at = parseInt(aryDate[2],10);
  break;
  case 1:
  find_tag = "010";
  one_at = parseInt(aryDate[0],10);
  two_at = parseInt(aryDate[2],10);
  break;
  case 2:
  find_tag = "001";
  one_at = parseInt(aryDate[0],10);
  two_at = parseInt(aryDate[1],10);
  break;
  }
  }
  }
  if (find_tag=="000"){
  tmpDate = this.DateFormat;
  year_at = tmpDate.indexOf("<yyyy>");
  if (year_at == -1){
  year_at = tmpDate.indexOf("<yy>");
  }
  month_at = tmpDate.indexOf("<MMMMMM>");
  if (month_at == -1){
  month_at = tmpDate.indexOf("<MMM>");
  }
  if (month_at == -1){
  month_at = tmpDate.indexOf("<mm>");
  }
  if (month_at == -1){
  month_at = tmpDate.indexOf("<m>");
  }
  day_at = tmpDate.indexOf("<dd>");
  if (day_at == -1){
  day_at = tmpDate.indexOf("<d>");
  }
  if ((year_at>month_at)&&(year_at>day_at)){
  find_tag="001"
  }
  if ((year_at>month_at)&&(year_at<=day_at)){
  find_tag="010";
  }
  if ((year_at<=month_at)&&(year_at>day_at)){
  find_tag="010";
  }
  if ((year_at<=month_at)&&(year_at<=day_at)){
  find_tag="100";
  }
  switch (find_tag){
  case "100":
  tmpYear = parseInt(aryDate[0],10);
  one_at = parseInt(aryDate[1],10);
  two_at = parseInt(aryDate[2],10);
  break;
  case "010":
  one_at = parseInt(aryDate[0],10);
  tmpYear = parseInt(aryDate[1],10);
  two_at = parseInt(aryDate[2],10);
  break;
  case "001":
  one_at = parseInt(aryDate[0],10);
  two_at = parseInt(aryDate[1],10);
  tmpYear = parseInt(aryDate[2],10);
  break;
  }
  tmpYear = this.GetFormatYear(tmpYear);
  }
  if (find_tag!="000"){
  if ((one_at>12)&&(two_at>12)){
  return(defDate);
  }
  if (one_at<=12){
  if (two_at > this.GetMonthDays(tmpYear,one_at-1)){ return(new Date(tmpYear, one_at-1, this.GetMonthDays(tmpYear,one_at-1)));
  }
  if (two_at>12){
  return(new Date(tmpYear, one_at-1, two_at));
  }
  }
  if (two_at<=12){
  if (one_at > this.GetMonthDays(tmpYear,two_at-1)){
  return(new Date(tmpYear, two_at-1, this.GetMonthDays(tmpYear,two_at-1)));
  }
  if (one_at>12){
  return(new Date(tmpYear, two_at-1, one_at));
  }
  }
  if ((one_at<=12)&&(two_at<=12)){
  tmpMonth = one_at-1;
  tmpDay = two_at;
  tmpDate = this.DateFormat;
  month_at = tmpDate.indexOf("<MMMMMM>");
  if (month_at == -1){
  month_at = tmpDate.indexOf("<MMM>");
  }
  if (month_at == -1){
  month_at = tmpDate.indexOf("<mm>");
  }
  if (month_at == -1){
  month_at = tmpDate.indexOf("<m>");
  }
  day_at = tmpDate.indexOf("<dd>");
  if (day_at == -1){
  day_at = tmpDate.indexOf("<d>");
  }
  if (month_at >= day_at){
  tmpMonth = two_at-1;
  tmpDay = one_at;
  }
  return(new Date(tmpYear, tmpMonth, tmpDay));
  }
  }
  }
  this.CreateYearList = function(MinYear, MaxYear){ //create year list
  var theName = this.Name;
  var theYearObject = document.all.item(theName + "_YearList");
  if (theYearObject == null){
  return;
  }
  var theYear = 0;
  var theYearHTML = "<select id="" + theName + "_YearList" style="" + this.YearListStyle + "" tabIndex="-1" onChange="document.jsMonthView.UpdateMonthGrid(this)" onBlur="document.jsMonthView.DeleteMonthGrid()">";
  for (theYear = MinYear; theYear <= MaxYear; theYear++){
  theYearHTML += "<option value="" + theYear.toString() + "">" + theYear.toString() + "</option>";
  }
  theYearHTML += "</select>";
  theYearObject.outerHTML = theYearHTML;
  }
  this.CreateMonthList = function( ){ //create month list
  var theName = this.Name; var theMonthObject = document.all.item(theName + "_MonthList");
  if (theMonthObject == null){
  return;
  }
  var theMonth = 0;
  var theMonthHTML = "<select id="" + theName + "_MonthList" style="" + this.MonthListStyle + "" tabIndex="-1" onChange="document.jsMonthView.UpdateMonthGrid(this)" onBlur="document.jsMonthView.DeleteMonthGrid()">";
  for (theMonth = 0; theMonth <12; theMonth++){
  theMonthHTML += "<option value="" + theMonth.toString() + "">" + this.MonthName[theMonth] + "</option>";
  }
  theMonthHTML +="</select>";
  theMonthObject.outerHTML = theMonthHTML;
  }
  this.setDayList = function(theYear, theMonth, theDay){ //set the month view show a date
  var theName = this.Name;
  var theDayObject = document.all.item(theName + "_DayList");
  if (theDayObject == null){
  return;
  }
  theDayObject.value = theDay.toString();
  var theFirstDay = new Date(theYear, theMonth, 1);
  var theCurrentDate = new Date();
  var theWeek = theFirstDay.getDay();
  if (theWeek == 0){
  theWeek = 7;
  }
  var theLeftDay = 0;
  if (theMonth == 0){
  theLeftDay = 31;
  }else{
  theLeftDay = this.GetMonthDays(theYear, theMonth - 1);
  }
  var theRightDay = this.GetMonthDays(theYear, theMonth);
  var theCurrentDay = theLeftDay - theWeek + 1;
  var offsetMonth = -1; //the month is previous month
  var theColor = this.InvalidColor;
  var theBgColor = this.UnselectBgColor;
  var theBdColor = theBgColor;
  var WeekId = 0
  var DayId = 0;
  var theStyle = "";
  var theDayHTML = "<table width="100%" height="100%" border="0" cellspacing="0" cellpadding="0">";
  theDayHTML += " <tr style="" + this.TitleStyle + "">";
  for (DayId = 0; DayId <7; DayId++){
  theDayHTML += " <td width="10%">" + this.WeekName[DayId] + "</td>";
  }
  theDayHTML += " </tr>";
  theDayHTML += " <tr>";
  theDayHTML += " <td colspan="7" style="" + this.LineBgStyle + "">";
  theDayHTML += " <table style="" + this.LineStyle + "" border="0" cellspacing="0" cellpadding="0">";
  theDayHTML += " <tr><td></td></tr>";
  theDayHTML += " </table>";
  theDayHTML += " </td>";
  theDayHTML += " </tr>";
  for (WeekId = 0; WeekId <6; WeekId++){
  theDayHTML += " <tr style="" + this.DayStyle + "">";
  for (DayId = 0; DayId <7; DayId++){
  if ((theCurrentDay > theLeftDay) && (WeekId <3)){
  offsetMonth++; //the month is current month;
  theCurrentDay = 1;
  }
  if ((theCurrentDay > theRightDay) && (WeekId > 3)){
  offsetMonth++; //the month is next month;
  theCurrentDay = 1;
  }
  switch (offsetMonth){
  case -1:
  theColor = this.InvalidColor;
  break;
  case 1:
  theColor = this.InvalidColor;
  break;
  case 0:
  if ((DayId==0)||(DayId==6)){
  theColor = this.WeekendColor;
  }else{
  theColor = this.ValidColor;
  }
  break;
  }
  if ((DayId==0)||(DayId==6)){
  theBgColor = this.WeekendBgColor;
  }else{
  theBgColor = this.UnselectBgColor;
  }
  theBdColor = this.DayBdColor;
  if ((theCurrentDay == theDay) && (offsetMonth == 0)){
  theColor = this.SelectedColor;
  theBgColor = this.SelectedBgColor;
  theBdColor = theBgColor;
  }
  if ((theYear == theCurrentDate.getFullYear()) && (theMonth == theCurrentDate.getMonth()) && (theCurrentDay == theCurrentDate.getDate()) && (offsetMonth == 0)){
  theBdColor = this.TodayBdColor;
  }
  theStyle = "border:" + this.DayBdWidth + "px solid " + theBdColor + "; color:" + theColor + "; background-color:" + theBgColor + ";";
  theDayHTML += " <td style="" + theStyle + "" onMouseOver="" + this.OverDayStyle + "" onMouseOut="" + this.OutDayStyle + "" onMouseDown="document.jsMonthView.CreateMonthGrid(" + theYear.toString() + ", " + (theMonth + offsetMonth).toString() + ", " + theCurrentDay.toString() + ")">";
  theDayHTML += theCurrentDay.toString();
  theDayHTML += " </td>";
  theCurrentDay++;
  }
  theDayHTML += " </tr>";
  }
  theDayHTML += " <tr style="" + this.FooterStyle + "" onMouseDown="document.jsMonthView.CreateMonthGrid(" + theCurrentDate.getFullYear().toString() + ", " + theCurrentDate.getMonth().toString() + ", " + theCurrentDate.getDate().toString() + ");">";
  theStyle = "border:" + this.DayBdWidth + "px solid " + this.TodayBdColor + ";";
  theDayHTML += " <td style="" + theStyle + ""><br></td>";
  theDayHTML += " <td colspan="6"> " + this.TodayTitle + " " + this.SetDateFormat(theCurrentDate.getFullYear(), theCurrentDate.getMonth(), theCurrentDate.getDate()) + "</td>";
  theDayHTML += " </tr>";
  theDayHTML += " </table>";
  var theMonthGrid = document.all.item(theName + "_MonthGrid");
  theMonthGrid.innerHTML = theDayHTML;
  }
  this.CreateMonthGrid = function(theYear, theMonth, theDay){ //refresh the month view to the date, main action is run this.setDayList() and set this.Source.value
  var theTextObject = this.Source;
  if (theTextObject == null){
  return;
  }
  var theName = this.Name;
  var theYearObject = document.all.item(theName + "_YearList");
  var theMonthObject = document.all.item(theName + "_MonthList");
  var tmpYear = theYear;
  var tmpMonth = theMonth;
  var tmpDay = 1;
  if (tmpMonth <0){
  tmpYear--;
  tmpMonth = 11;
  }
  if (tmpMonth > 11){
  tmpYear++;
  tmpMonth = 0;
  }
  if (tmpYear <this.MinYear){
  tmpYear = this.MinYear;
  }
  if (tmpYear > this.MaxYear){
  tmpYear = this.MaxYear;
  }
  if (theDay <1){
  tmpDay = 1;
  }else{
  tmpDay = this.GetMonthDays(tmpYear, tmpMonth);
  if (theDay <tmpDay){
  tmpDay = theDay;
  }
  }
  theYearObject.value = tmpYear;
  theMonthObject.value = tmpMonth;
  this.setDayList(tmpYear, tmpMonth, tmpDay);
  theTextObject.value = this.SetDateFormat(tmpYear, tmpMonth, tmpDay);
  theTextObject.select();
  }
  this.UpdateMonthGrid = function(theObject){ //run this.CreateMonthGrid() by theObject
  var theTextObject = this.Source;
  if (theTextObject == null){
  return;
  }
  var theName = this.Name;
  var theYearObject = document.all.item(theName + "_YearList");
  var theMonthObject = document.all.item(theName + "_MonthList");
  var theDayObject = document.all.item(theName + "_DayList");
  var tmpName = theObject.id.substr(theObject.id.lastIndexOf("_"));
  switch (tmpName){
  case "_goPreviousMonth": //go previous month button
  theObject.disabled = true;
  this.CreateMonthGrid(parseInt(theYearObject.value, 10), parseInt(theMonthObject.value, 10) - 1, parseInt(theDayObject.value, 10));
  theObject.disabled = false;
  break;
  case "_goNextMonth": //go next month button
  theObject.disabled = true;
  this.CreateMonthGrid(parseInt(theYearObject.value, 10), parseInt(theMonthObject.value, 10) + 1, parseInt(theDayObject.value, 10));
  theObject.disabled = false;
  break;
  case "_YearList": //year list
  this.CreateMonthGrid(parseInt(theYearObject.value, 10), parseInt(theMonthObject.value, 10), parseInt(theDayObject.value, 10));
  break;
  case "_MonthList": //month list
  this.CreateMonthGrid(parseInt(theYearObject.value, 10), parseInt(theMonthObject.value, 10), parseInt(theDayObject.value, 10));
  break;
  default:
  return;
  }
  }
  this.DeleteMonthGrid = function( ){ //check document focus, if blur this.Source then delete this
  var theName = this.Name;
  var theDivObject = document.all.item(theName + "_MonthView");
  if (theDivObject == null){
  return;
  }
  var tmpObject = document.activeElement;
  while (tmpObject != null){
  if (tmpObject == this.Source){
  return;
  }
  //if (tmpObject.id == theName + "_MonthView"){
  // return;
  //}
  //if (tmpObject.id == theName + "_MonthGrid"){
  // return;
  //}
  if (tmpObject.id == theName + "_goPreviousMonth"){
  return;
  }
  if (tmpObject.id == theName + "_goNextMonth"){
  return;
  }
  if (tmpObject.id == theName + "_YearList"){
  return;
  }
  if (tmpObject.id == theName + "_MonthList"){
  return;
  }
  if (tmpObject.id == theName + "_DayList"){
  return;
  }
  tmpObject = tmpObject.parentElement;
  }
  if (tmpObject == null){ //delete the month view
  theDivObject.outerHTML = "";
  var theDate = new Date(this.GetTextDate(this.Source.value));
  if (isNaN(theDate)){
  this.Source.value = "";
  }else{
  this.Source.value = this.SetDateFormat(theDate.getFullYear(), theDate.getMonth(), theDate.getDate());
  }
  this.Source = null;
  }
  }
  this.InitialMonthView = function( ){
  var theName = this.Name;
  var theValue = this.Source.value;
  var theCurrentDate = new Date(this.GetTextDate(theValue));
  if (isNaN(theCurrentDate)){
  theCurrentDate = new Date();
  }
  var theDivHTML = "<div id="" + theName + "_MonthView" onBlur="document.jsMonthView.DeleteMonthGrid();">";
  theDivHTML += " <table width="" + this.Width.toString() + "" height="" + this.Height.toString() + "" style="" + this.MonthGridStyle + "" cellpadding="0" cellspacing="0">";
  theDivHTML += " <tr>";
  theDivHTML += " <td align="center" valign="top">";
  theDivHTML += " <table width="100%" height="100%" border="0" cellspacing="0" cellpadding="0">";
  theDivHTML += " <tr align="center" style="" + this.HeaderStyle + "">";
  theDivHTML += " <td>";
  theDivHTML += " <input type="button" tabIndex="-1" style="" + this.MonthBtStyle + "" id="" + theName + "_goPreviousMonth" value="" + this.PreviousMonthText + "" onClick="document.jsMonthView.UpdateMonthGrid(this)" onBlur="document.jsMonthView.DeleteMonthGrid()">";
  theDivHTML += " </td>";
  theDivHTML += " <td>";
  theDivHTML += " <select id="" + theName + "_YearList">";
  theDivHTML += " </select>";
  theDivHTML += " </td>";
  theDivHTML += " <td>";
  theDivHTML += " <select id="" + theName + "_MonthList">";
  theDivHTML += " </select>";
  theDivHTML += " <input type="hidden" id="" + theName + "_DayList" value="1">";
  theDivHTML += " </td>";
  theDivHTML += " <td>";
  theDivHTML += " <input type="button" tabIndex="-1" style="" + this.MonthBtStyle + "" id="" + theName + "_goNextMonth" value="" + this.NextMonthText + "" onClick="document.jsMonthView.UpdateMonthGrid(this)" onBlur="document.jsMonthView.DeleteMonthGrid()">";
  theDivHTML += " </td>";
  theDivHTML += " </tr>";
  theDivHTML += " <tr>";
  theDivHTML += " <td colspan="4" bgcolor="" + this.UnselectBgColor + "">";
  theDivHTML += " <div id="" + theName + "_MonthGrid"><br></div>";
  theDivHTML += " </td>";
  theDivHTML += " </tr>";
  theDivHTML += " </table>";
  theDivHTML += " </td>";
  theDivHTML += " </tr>";
  theDivHTML += " </table>";
  theDivHTML += " </div>";
  document.body.insertAdjacentHTML("beforeEnd", theDivHTML);
  theDivObject = document.all.item(theName + "_MonthView");
  theDivObject.style.position = "absolute";
  theDivObject.style.posLeft = this.GetoffsetLeft(this.Source);
  theDivObject.style.posTop = this.GetoffsetTop(this.Source) + this.Source.offsetHeight;
  this.CreateYearList(this.MinYear, this.MaxYear);
  this.CreateMonthList();
  this.CreateMonthGrid(theCurrentDate.getFullYear(), theCurrentDate.getMonth(), theCurrentDate.getDate());
  }
  }
  function CreateMonthView(theTextObject){ //the month view create interface, fire at element's onFocus event
  //if (theTextObject.readOnly == true){
  //return;
  //}
  if (document.jsMonthView != null){
  if (document.jsMonthView.Source == theTextObject){
  return;
  }else{
  document.jsMonthView.DeleteMonthGrid();
  }
  }
  document.jsMonthView = new DefineMonthView(theTextObject);
  //insert your code, change the month view propertiy
  //example:
  // document.jsMonthView.DateFormat = "<MMM> <d>,<yyyy>";
  document.jsMonthView.InitialMonthView();
  theTextObject.select();
  }
  function DeleteMonthView(theTextObject){ //the month view delete interface, fire at element's onBlur event
  if (document.jsMonthView == null){
  return;
  }
  document.jsMonthView.DeleteMonthGrid();
  if (document.jsMonthView.Source == null){
  document.jsMonthView = null;
  }
  }
  //-->
  </SCRIPT>
非常全面的一个php技术网站,php 爱好者站 http://www.phpfans.net 有相当丰富的文章和源代码.










