📄 date.js
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<!--
isIE = (document.all ? true : false);
function getIEPosX(elt) { return getIEPos(elt,"Left"); }
function getIEPosY(elt) { return getIEPos(elt,"Top"); }
function getIEPos(elt,which) {
iPos = 0
while (elt!=null) {
iPos += elt["offset" + which]
elt = elt.offsetParent
}
return iPos
}
function getXBrowserRef(eltname) {
return (isIE ? document.all[eltname].style : document.layers[eltname]);
}
function hideElement(eltname) { getXBrowserRef(eltname).visibility = 'hidden'; }
//按不同的浏览器进行处理元件的位置
function moveBy(elt,deltaX,deltaY) {
if (isIE) {
elt.left = elt.pixelLeft + deltaX;
elt.top = elt.pixelTop + deltaY;
} else {
elt.left += deltaX;
elt.top += deltaY;
}
}
function toggleVisible(eltname) {
elt = getXBrowserRef(eltname);
if (elt.visibility == 'visible' || elt.visibility == 'show') {
elt.visibility = 'hidden';
} else {
fixPosition(eltname);
elt.visibility = 'visible';
}
}
function setPosition(elt,positionername,isPlacedUnder) {
positioner = null;
if (isIE) {
positioner = document.all[positionername];
elt.left = getIEPosX(positioner);
elt.top = getIEPosY(positioner);
} else {
positioner = document.images[positionername];
elt.left = positioner.x;
elt.top = positioner.y;
}
if (isPlacedUnder) { moveBy(elt,0,positioner.height); }
}
//——————————————————————————————————————
// 判断浏览器
isIE = (document.all ? true : false);
// 初始月份及各月份天数数组
var months = new Array("一 月", "二 月", "三 月", "四 月", "五 月", "六 月", "七 月",
"八 月", "九 月", "十 月", "十一月", "十二月");
var daysInMonth = new Array(31, 28, 31, 30, 31, 30, 31, 31,
30, 31, 30, 31);
var displayMonth = new Date().getMonth();
var displayYear = new Date().getFullYear();
var displayDivName;
var displayElement;
function getDays(month, year) {
//测试选择的年份是否是润年？
if (1 == month)
return ((0 == year % 4) && (0 != (year % 100))) ||
(0 == year % 400) ? 29 : 28;
else
return daysInMonth[month];
}
function getToday() {
// 得到今天的日期
this.now = new Date();
this.year = this.now.getFullYear();
this.month = this.now.getMonth();
this.day = this.now.getDate();
}
// 并显示今天这个月份的日历
today = new getToday();
function newCalendar(eltName,attachedElement) {
if (attachedElement) {
if (displayDivName && displayDivName != eltName) hideElement(displayDivName);
displayElement = attachedElement;
}
displayDivName = eltName;
today = new getToday();
var parseYear = parseInt(displayYear + '');
var newCal = new Date(parseYear,displayMonth,1);
var day = -1;
var startDayOfWeek = newCal.getDay();
if ((today.year == newCal.getFullYear()) &&
(today.month == newCal.getMonth()))
{
day = today.day;
}
var intDaysInMonth =
getDays(newCal.getMonth(), newCal.getFullYear());
var daysGrid = makeDaysGrid(startDayOfWeek,day,intDaysInMonth,newCal,eltName)
if (isIE) {
var elt = document.all[eltName];
elt.innerHTML = daysGrid;
} else {
var elt = document.layers[eltName].document;
elt.open();
elt.write(daysGrid);
elt.close();
}
}
function incMonth(delta,eltName) {
displayMonth += delta;
if (displayMonth >= 12) {
displayMonth = 0;
incYear(1,eltName);
} else if (displayMonth <= -1) {
displayMonth = 11;
incYear(-1,eltName);
} else {
newCalendar(eltName);
}
}
function incYear(delta,eltName) {
displayYear = parseInt(displayYear + '') + delta;
newCalendar(eltName);
}
function makeDaysGrid(startDay,day,intDaysInMonth,newCal,eltName) {
var daysGrid;
var month = newCal.getMonth();
var year = newCal.getFullYear();
var isThisYear = (year == new Date().getFullYear());
var isThisMonth = (day > -1)
daysGrid = '<table border=1 cellspacing=0 cellpadding=2><tr><td bgcolor=#ffffff nowrap>';
daysGrid += '<font face="courier new, courier" size=2>';
daysGrid += '<a href="javascript:hideElement(\'' + eltName + '\')">x</a>';
daysGrid += ' ';
daysGrid += '<a href="javascript:incMonth(-1,\'' + eltName + '\')">« </a>';
daysGrid += '<b>';
if (isThisMonth) { daysGrid += '<font color=red>' + months[month] + '</font>'; }
else { daysGrid += months[month]; }
daysGrid += '</b>';
daysGrid += '<a href="javascript:incMonth(1,\'' + eltName + '\')"> »</a>';
daysGrid += ' ';
daysGrid += '<a href="javascript:incYear(-1,\'' + eltName + '\')">« </a>';
daysGrid += '<b>';
if (isThisYear) { daysGrid += '<font color=red>' + year + '</font>'; }
else { daysGrid += ''+year; }
daysGrid += '</b>';
daysGrid += '<a href="javascript:incYear(1,\'' + eltName + '\')"> »</a><br>';
daysGrid += ' Su Mo Tu We Th Fr Sa <br> ';
var dayOfMonthOfFirstSunday = (7 - startDay + 1);
for (var intWeek = 0; intWeek < 6; intWeek++) {
var dayOfMonth;
for (var intDay = 0; intDay < 7; intDay++) {
dayOfMonth = (intWeek * 7) + intDay + dayOfMonthOfFirstSunday - 7;
if (dayOfMonth <= 0) {
daysGrid += " ";
} else if (dayOfMonth <= intDaysInMonth) {
var color = "blue";
if (day > 0 && day == dayOfMonth) color="red";
daysGrid += '<a href="javascript:setDay(';
daysGrid += dayOfMonth + ',\'' + eltName + '\')" '
daysGrid += 'style="color:' + color + '">';
var dayString = dayOfMonth + "</a> ";
if (dayString.length == 6) dayString = '0' + dayString;
daysGrid += dayString;
}
}
if (dayOfMonth < intDaysInMonth) daysGrid += "<br> ";
}
return daysGrid + "</td></tr></table>";
}
function setDay(day,eltName) {
var month_;
var day_;
if((displayMonth+1)>0 && (displayMonth+1)<10){
month_ = "0"+ (displayMonth+1);
}else{
month_ = displayMonth+1;
}
if(day>0 && day <10){
day_ = "0"+ day;
}else{
day_ = day;
}
displayElement.value = displayYear+"-"+month_ + "-" + day_;
hideElement(eltName);
}
//——————————————————————————————————————
// fixPosition() 这个函数和前面所讲的那个函数一样
//
function fixPosition(eltname) {
elt = getXBrowserRef(eltname);
positionerImgName = eltname + 'Pos';
// hint: try setting isPlacedUnder to false
isPlacedUnder = false;
if (isPlacedUnder) {
setPosition(elt,positionerImgName,true);
} else {
setPosition(elt,positionerImgName)
}
}
function toggleDatePicker(eltName,formElt,dateField) {
var x = formElt.indexOf('.');
var formName = formElt.substring(0,x);
var formEltName = formElt.substring(x+1);
newCalendar(eltName,dateField);
toggleVisible(eltName);
}
function toggleMonthPicker(eltName,formElt,dateField) {
var x = formElt.indexOf('.');
var formName = formElt.substring(0,x);
var formEltName = formElt.substring(x+1);
newMonthCalendar(eltName,dateField);
toggleVisible(eltName);
}
function newMonthCalendar(eltName,attachedElement) {
if (attachedElement) {
if (displayDivName && displayDivName != eltName) hideElement(displayDivName);
displayElement = attachedElement;
}
displayDivName = eltName;
today = new getToday();
var parseYear = parseInt(displayYear + '');
var newCal = new Date(parseYear,displayMonth,1);
var day = -1;
var startDayOfWeek = newCal.getDay();
if ((today.year == newCal.getFullYear()) &&
(today.month == newCal.getMonth()))
{
day = today.day;
}
var intDaysInMonth =
getDays(newCal.getMonth(), newCal.getFullYear());
var daysGrid = makeMonthGrid(startDayOfWeek,day,intDaysInMonth,newCal,eltName)
if (isIE) {
var elt = document.all[eltName];
elt.innerHTML = daysGrid;
} else {
var elt = document.layers[eltName].document;
elt.open();
elt.write(daysGrid);
elt.close();
}
}
function makeMonthGrid(startDay,day,intDaysInMonth,newCal,eltName) {
var daysGrid;
var month = newCal.getMonth();
var year = newCal.getFullYear();
var isThisYear = (year == new Date().getFullYear());
var isThisMonth = (day > -1)
daysGrid = '<table border=1 cellspacing=0 cellpadding=2><tr><td bgcolor=#ffffff nowrap>';
daysGrid += '<font face="courier new, courier" size=2>';
daysGrid += '<a href="javascript:hideElement(\'' + eltName + '\')">x</a>';
daysGrid += ' ';
daysGrid += '<a href="javascript:incMonthA(-1,\'' + eltName + '\')">« </a>';
daysGrid += '<b>';
if (isThisMonth) { daysGrid += '<font color=red>' + months[month] + '</font>'; }
else { daysGrid += months[month]; }
daysGrid += '</b>';
daysGrid += '<a href="javascript:incMonthA(1,\'' + eltName + '\')"> »</a>';
daysGrid += ' ';
daysGrid += '<a href="javascript:incYearA(-1,\'' + eltName + '\')">« </a>';
daysGrid += '<b>';
if (isThisYear) { daysGrid += '<font color=red>' + year + '</font>'; }
else { daysGrid += ''+year; }
daysGrid += '</b>';
daysGrid += '<a href="javascript:incYearA(1,\'' + eltName + '\')"> »</a><br>';
daysGrid += ' Su Mo Tu We Th Fr Sa <br> ';
var dayOfMonthOfFirstSunday = (7 - startDay + 1);
for (var intWeek = 0; intWeek < 6; intWeek++) {
var dayOfMonth;
for (var intDay = 0; intDay < 7; intDay++) {
dayOfMonth = (intWeek * 7) + intDay + dayOfMonthOfFirstSunday - 7;
if (dayOfMonth <= 0) {
daysGrid += " ";
} else if (dayOfMonth <= intDaysInMonth) {
var color = "blue";
if (day > 0 && day == dayOfMonth) color="red";
daysGrid += '<a href="javascript:setMonth(';
daysGrid += dayOfMonth + ',\'' + eltName + '\')" '
daysGrid += 'style="color:' + color + '">';
var dayString = dayOfMonth + "</a> ";
if (dayString.length == 6) dayString = '0' + dayString;
daysGrid += dayString;
}
}
if (dayOfMonth < intDaysInMonth) daysGrid += "<br> ";
}
return daysGrid + "</td></tr></table>";
}
function setMonth(day,eltName) {
var month_;
var day_;
if((displayMonth+1)>0 && (displayMonth+1)<10){
month_ = "0"+ (displayMonth+1);
}else{
month_ = displayMonth+1;
}
if(day>0 && day <10){
day_ = "0"+ day;
}else{
day_ = day;
}
displayElement.value = displayYear+"-"+month_;
hideElement(eltName);
}
function incMonthA(delta,eltName) {
displayMonth += delta;
if (displayMonth >= 12) {
displayMonth = 0;
incYearA(1,eltName);
} else if (displayMonth <= -1) {
displayMonth = 11;
incYearA(-1,eltName);
} else {
newMonthCalendar(eltName);
}
}
function incYearA(delta,eltName) {
displayYear = parseInt(displayYear + '') + delta;
newMonthCalendar(eltName);
}
-->
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