用js是实现的网页日期选取
时间：2007-02-11 来源：pinkscut
var gdCtrl = new Object();
var goSelectTag = new Array();
var gcGray = "#808080";
var gcToggle = "#FFFF00";
var gcred = "#FF0000";
var gcBG = "#F8F9EE";
var gcGreen = "#00FF00"
var gdCurDate = new Date();
var giYear = gdCurDate.getFullYear();
var giMonth = gdCurDate.getMonth()+1;
var giDay = gdCurDate.getDate();
function fPopCalendar(popCtrl, dateCtrl){
event.cancelBubble=true;
gdCtrl = dateCtrl;
fSetYearMon(giYear, giMonth);
var point = fGetXY(popCtrl);
with (VicPopCal.style) {
left = point.x;
top = point.y+popCtrl.offsetHeight+1;
width = VicPopCal.offsetWidth;
height = VicPopCal.offsetHeight;
fToggleTags(point);
visibility = 'visible';
}
VicPopCal.focus();
}
function fSetDate(iYear, iMonth, iDay){
gdCtrl.value = iYear+"-"+iMonth+"-"+iDay;
fHideCalendar();
}
function fHideCalendar(){
VicPopCal.style.visibility = "hidden";
for (i in goSelectTag) //在数组中循环取值，goSelectTag为数组名
goSelectTag[i].style.visibility = "visible";
goSelectTag.length = 0;
}
function fSetSelected(aCell){
var iOffset = 0;
var iYear =parseInt(tbSelYear.value);//动态改变文本框的年
var iMonth = parseInt(tbSelMonth.value);//动态改变文本框的月
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, iCellHeight, iDateTextSize) {
var WeekDay = new Array("日","一","二","三","四","五","六");
var styleTD = " bgcolor='"+gcBG+"' bordercolor='"+gcBG+"' valign='middle' align='center' height='"+iCellHeight+"' style='font-size:9pt "+iDateTextSize+" 宋体;";
with (document) {
write("<tr>");
for(i=0; i<7; i++)
write("<td "+styleTD+"color:green'>" + 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 fUpdateCal(iYear, iMonth) {
myMonth = fBuildCal(iYear, iMonth);
var i = 0;
for (w = 0; w < 6; w++)
for (d = 0; d < 7; d++)
with (cellText[(7*w)+d]) {
Victor = i++;
if (myMonth[w+1][d]<0) {
color = gcGray;
innerText = -myMonth[w+1][d];
}else{
color = ((d==0)||(d==6))?"red":"black";
innerText = myMonth[w+1][d];
}
}
}
//该函数动态改变年后引起表格中的变化
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);//将改变厚的值传给fUpdateCal（）以便以在表格中显示变化
}
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 fToggleTags(){
with (document.all.tags("SELECT")){
for (i=0; i<length; i++)
if ((item(i).Victor!="Won")&&fTagInBound(item(i))){
item(i).style.visibility = "hidden";
goSelectTag[goSelectTag.length] = item(i);
}
}
}
function fTagInBound(aTag){
with (VicPopCal.style){
var l = parseInt(left);
var t = parseInt(top);
var r = l+parseInt(width);
var b = t+parseInt(height);
var ptLT = fGetXY(aTag);
return !((ptLT.x>r)||(ptLT.x+aTag.offsetWidth<l)||(ptLT.y>b)||(ptLT.y+aTag.offsetHeight<t));
}
}
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;
}
function fClearInput()
{
gdCtrl.value = "";
fHideCalendar();
}
var gMonths = 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");
with (document) {
write("<Div id='VicPopCal' onclick='event.cancelBubble=true' style='POSITION:absolute;visibility:hidden;border:1px ridge;width:10;z-index:100;'>");
write("<table border='0' bgcolor='#F8F9EE'>");
write("<TR>");
write("<td valign='middle' align='center'><input type='button' name='PrevMonth' value='＜' style='width:20' onClick='fPrevMonth()'>");
write(" <SELECT name='tbSelYear' onChange='fUpdateCal(tbSelYear.value, tbSelMonth.value)' style='font-color:#000080;width:70;border:1 solid #99CCFF; font-size:9pt; background-color:#F8F9EE' Victor='Won'>");
for(i=1900;i<=2050;i++)
write("<OPTION value='"+i+"'>"+i+"年</OPTION>");
write("</SELECT>");
write(" <select name='tbSelMonth' onChange='fUpdateCal(tbSelYear.value, tbSelMonth.value)' style='font-color:#000080;width:70;border:0 solid #99CCFF; font-size:9pt; background-color:#F8F9EE' Victor='Won'>");
for (i=0; i<12; i++)
write("<option value='"+(i+1)+"'>"+gMonths[i]+"</option>");
write("</SELECT>");
write(" <input type='button' name='PrevMonth' value='＞' style='width:20' onclick='fNextMonth()'>");
write("</td>");
write("</TR><TR>");
write("<td align='center'>");
write("<DIV style='background-color:blue'><table border='0' cellspacing='0' cellpadding='0' width='100%' bgcolor='blue'><tr><td><table border='0' cellspacing='1' width='100%' cellpadding='1'>");
fDrawCal(giYear, giMonth, 12, 12);
write("</table></td></tr></table></DIV>");
write("</td>");
write("</TR><TR><TD align='center'>");
write("<span style='cursor:hand; font-size=9pt' onclick='fSetDate(giYear,giMonth,giDay)' onMouseOver='this.style.color=gcred' onMouseOut='this.style.color=0'>今天："+giYear+"-"+giMonth+"-"+giDay+"</span>");
write("<span style='cursor:hand; font-size=9pt' onclick='fClearInput()' onMouseOver='this.style.color=gcGreen' onMouseOut='this.style.color=0'> 清空</span>");
write("</TD></TR>");
write("</TABLE></Div>");
write("");
}
function arrowtag(namestr,valuestr)
{
document.write("<input type='text' readonly name='"+namestr+"' value='"+valuestr+"' size='10' style='text-align: center;' style='Font-size: 9pt'> <Img src='../images/datetime.gif' style='cursor:hand;' align='absmiddle' alt='弹出日历下拉菜单' onclick='fPopCalendar("+namestr+","+namestr+");return false'>");
}
function arrowtag1(namestr,valuestr)
{
document.write("<input type='text' readonly name='"+namestr+"' value='"+valuestr+"' size='10' style='text-align: center;' style='Font-size: 9pt'> <Img src='../../images/datetime.gif' style='cursor:hand;' align='absmiddle' alt='弹出日历下拉菜单' onclick='fPopCalendar("+namestr+","+namestr+");return false'>");
}
var goSelectTag = new Array();
var gcGray = "#808080";
var gcToggle = "#FFFF00";
var gcred = "#FF0000";
var gcBG = "#F8F9EE";
var gcGreen = "#00FF00"
var gdCurDate = new Date();
var giYear = gdCurDate.getFullYear();
var giMonth = gdCurDate.getMonth()+1;
var giDay = gdCurDate.getDate();
function fPopCalendar(popCtrl, dateCtrl){
event.cancelBubble=true;
gdCtrl = dateCtrl;
fSetYearMon(giYear, giMonth);
var point = fGetXY(popCtrl);
with (VicPopCal.style) {
left = point.x;
top = point.y+popCtrl.offsetHeight+1;
width = VicPopCal.offsetWidth;
height = VicPopCal.offsetHeight;
fToggleTags(point);
visibility = 'visible';
}
VicPopCal.focus();
}
function fSetDate(iYear, iMonth, iDay){
gdCtrl.value = iYear+"-"+iMonth+"-"+iDay;
fHideCalendar();
}
function fHideCalendar(){
VicPopCal.style.visibility = "hidden";
for (i in goSelectTag) //在数组中循环取值，goSelectTag为数组名
goSelectTag[i].style.visibility = "visible";
goSelectTag.length = 0;
}
function fSetSelected(aCell){
var iOffset = 0;
var iYear =parseInt(tbSelYear.value);//动态改变文本框的年
var iMonth = parseInt(tbSelMonth.value);//动态改变文本框的月
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, iCellHeight, iDateTextSize) {
var WeekDay = new Array("日","一","二","三","四","五","六");
var styleTD = " bgcolor='"+gcBG+"' bordercolor='"+gcBG+"' valign='middle' align='center' height='"+iCellHeight+"' style='font-size:9pt "+iDateTextSize+" 宋体;";
with (document) {
write("<tr>");
for(i=0; i<7; i++)
write("<td "+styleTD+"color:green'>" + 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 fUpdateCal(iYear, iMonth) {
myMonth = fBuildCal(iYear, iMonth);
var i = 0;
for (w = 0; w < 6; w++)
for (d = 0; d < 7; d++)
with (cellText[(7*w)+d]) {
Victor = i++;
if (myMonth[w+1][d]<0) {
color = gcGray;
innerText = -myMonth[w+1][d];
}else{
color = ((d==0)||(d==6))?"red":"black";
innerText = myMonth[w+1][d];
}
}
}
//该函数动态改变年后引起表格中的变化
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);//将改变厚的值传给fUpdateCal（）以便以在表格中显示变化
}
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 fToggleTags(){
with (document.all.tags("SELECT")){
for (i=0; i<length; i++)
if ((item(i).Victor!="Won")&&fTagInBound(item(i))){
item(i).style.visibility = "hidden";
goSelectTag[goSelectTag.length] = item(i);
}
}
}
function fTagInBound(aTag){
with (VicPopCal.style){
var l = parseInt(left);
var t = parseInt(top);
var r = l+parseInt(width);
var b = t+parseInt(height);
var ptLT = fGetXY(aTag);
return !((ptLT.x>r)||(ptLT.x+aTag.offsetWidth<l)||(ptLT.y>b)||(ptLT.y+aTag.offsetHeight<t));
}
}
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;
}
function fClearInput()
{
gdCtrl.value = "";
fHideCalendar();
}
var gMonths = 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");
with (document) {
write("<Div id='VicPopCal' onclick='event.cancelBubble=true' style='POSITION:absolute;visibility:hidden;border:1px ridge;width:10;z-index:100;'>");
write("<table border='0' bgcolor='#F8F9EE'>");
write("<TR>");
write("<td valign='middle' align='center'><input type='button' name='PrevMonth' value='＜' style='width:20' onClick='fPrevMonth()'>");
write(" <SELECT name='tbSelYear' onChange='fUpdateCal(tbSelYear.value, tbSelMonth.value)' style='font-color:#000080;width:70;border:1 solid #99CCFF; font-size:9pt; background-color:#F8F9EE' Victor='Won'>");
for(i=1900;i<=2050;i++)
write("<OPTION value='"+i+"'>"+i+"年</OPTION>");
write("</SELECT>");
write(" <select name='tbSelMonth' onChange='fUpdateCal(tbSelYear.value, tbSelMonth.value)' style='font-color:#000080;width:70;border:0 solid #99CCFF; font-size:9pt; background-color:#F8F9EE' Victor='Won'>");
for (i=0; i<12; i++)
write("<option value='"+(i+1)+"'>"+gMonths[i]+"</option>");
write("</SELECT>");
write(" <input type='button' name='PrevMonth' value='＞' style='width:20' onclick='fNextMonth()'>");
write("</td>");
write("</TR><TR>");
write("<td align='center'>");
write("<DIV style='background-color:blue'><table border='0' cellspacing='0' cellpadding='0' width='100%' bgcolor='blue'><tr><td><table border='0' cellspacing='1' width='100%' cellpadding='1'>");
fDrawCal(giYear, giMonth, 12, 12);
write("</table></td></tr></table></DIV>");
write("</td>");
write("</TR><TR><TD align='center'>");
write("<span style='cursor:hand; font-size=9pt' onclick='fSetDate(giYear,giMonth,giDay)' onMouseOver='this.style.color=gcred' onMouseOut='this.style.color=0'>今天："+giYear+"-"+giMonth+"-"+giDay+"</span>");
write("<span style='cursor:hand; font-size=9pt' onclick='fClearInput()' onMouseOver='this.style.color=gcGreen' onMouseOut='this.style.color=0'> 清空</span>");
write("</TD></TR>");
write("</TABLE></Div>");
write("");
}
function arrowtag(namestr,valuestr)
{
document.write("<input type='text' readonly name='"+namestr+"' value='"+valuestr+"' size='10' style='text-align: center;' style='Font-size: 9pt'> <Img src='../images/datetime.gif' style='cursor:hand;' align='absmiddle' alt='弹出日历下拉菜单' onclick='fPopCalendar("+namestr+","+namestr+");return false'>");
}
function arrowtag1(namestr,valuestr)
{
document.write("<input type='text' readonly name='"+namestr+"' value='"+valuestr+"' size='10' style='text-align: center;' style='Font-size: 9pt'> <Img src='../../images/datetime.gif' style='cursor:hand;' align='absmiddle' alt='弹出日历下拉菜单' onclick='fPopCalendar("+namestr+","+namestr+");return false'>");
}
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