相当于delphi的日历控件
<!--Start-->
var YearStr,MonthStr,DayStr,NowDayStr;
var WeekStr,week,week_one;
var WeekArr = new Array("星期日", "星期一", "星期二", "星期三","星期四", "星期五", "星期六");
var dt = new Date();
var showtype;
var caleX = 0;
var caleY = 0;
YearStr = dt.getYear();
MonthStr = dt.getMonth() + 1;
NowDayStr = DayStr = dt.getDate();
week = dt.getDay();
WeekStr = WeekArr[week];
document.write("<DIV id=idCalendar style='position:absolute;top:100px;left:100px;width:260px;border: #000000 1px solid;background-color: #ffffff;display:none'></DIV>");
function initCalendar(){
var CaleHTML="";
CaleHTML += "<TABLE border=0 cellspacing=0 cellpadding=1 width='100%'>";
CaleHTML += "<TR bgcolor=#33246C><TD><BUTTON onclick='prevMonth()' class=btn><span lang=EN-US style='font-family:Arial'>◄</span></BUTTON></TD>";
CaleHTML += "<TD align=center><SPAN style='color:white'>"+ YearStr +"年"+ MonthStr +"月</SPAN></TD>"
CaleHTML += "<TD align=right><BUTTON onclick='nextMonth()' class=btn><span lang=EN-US style='font-family:Arial'>►</span></BUTTON></TD></TR>";
CaleHTML += "<TR><TD colspan=3>";
CaleHTML += "<TABLE border=0 cellspacing=0 cellpadding=0 width='100%'><TR>";
for(var i=0; i<WeekArr.length; i++){
CaleHTML += "<TD>" + WeekArr[i] + "</TD>";
}
CaleHTML += "</TR><TR><TD colspan=7><HR size=1 color=blank width='90%'></TD></TR>";
CaleHTML += bodyCalendar();
CaleHTML += "</TABLE>";
CaleHTML += "</TD></TR>";
CaleHTML += "<TR><TD colspan=3>今天是：<Font color=red>"+ dt.getYear() +"-"+ (dt.getMonth() + 1) +"-"+ dt.getDate() +"</font></TD></TR>";
CaleHTML += "</TABLE>";
return CaleHTML;
}
function bodyCalendar(){
var ResultStr = "<TR>";
var tempStr = "" + MonthStr + "/1/" + YearStr;
var d = new Date(tempStr);
week_one = d.getDay();
for(var i=0;i<week_one;i++){
ResultStr += "<TD></TD>";
}
var bYear = YearStr/4;
var maxDay;
switch(MonthStr){
case 1:
case 3:
case 5:
case 7:
case 8:
case 10:
case 12:
maxDay = 31;
break;
case 2:
if(bYear==0)
maxDay = 28;
else
maxDay = 29;
break;
default:
maxDay = 30;
break;
}
var k;
var bday;
for(var i=0;i<maxDay;i++){
if((i+1) == DayStr)
bday = "border: #006432 1px solid;";
file://else if((i+1) == NowDayStr)
file://bday = "border: #ff0000 1px solid;";
else
bday = "border: #ffffff 1px solid;";
BRStr = i+week_one+1;
if(BRStr>=7 && BRStr%7==0){
ResultStr += "<TD align=right style='cursor:hand;"+ bday +"' onmouseover='TDMove()' onmouseout='TDOut()' onclick='TDClick()'>"+ eval(i+1) +"</TD></TR><TR>";
k=0;
}
else{
ResultStr += "<TD align=right style='cursor:hand;"+ bday +"' onmouseover='TDMove()' onmouseout='TDOut()' onclick='TDClick()'>"+ eval(i+1) +"</TD>";
k+=1;
}
}
for(var i=0;i<7-k;i++){
ResultStr += "<TD></TD>";
}
ResultStr += "</TR>";
return ResultStr;
}
function prevMonth(){
MonthStr -= 1;
if(MonthStr == 0){
MonthStr = 12;
YearStr -= 1;
}
idCalendar.innerHTML = initCalendar();
}
function nextMonth(){
MonthStr += 1;
if(MonthStr > 12){
MonthStr = 1;
YearStr += 1;
}
idCalendar.innerHTML = initCalendar();
}
function TDMove(){
var obj = window.event.srcElement;
obj.style.setAttribute("border", "#005AB5 1px solid");
}
function TDOut(){
var obj = event.srcElement;
if(parseInt(obj.innerText) == DayStr)
obj.style.setAttribute("border","#006432 1px solid");
file://else if(parseInt(obj.innerText) == NowDayStr)
file://obj.style.setAttribute("border","#ff0000 1px solid");
else
obj.style.setAttribute("border","#ffffff 1px solid");
}
var tobj;
function showCalendar(stype){
showtype = stype;
var obj = event.srcElement;
var pobj = obj.parentElement;
tobj = pobj.childNodes(0);
v = tobj.value;
if(v != ""){
pos = v.indexOf("-");
if(pos != -1 && pos == 4){
YearStr = parseInt(v.substring(0,pos));
v = v.substring(pos+1,v.length);
}
pos = v.indexOf("-");
if(pos != -1){
MonthStr = parseInt(v.substring(0,pos));
v = v.substring(pos+1,v.length);
}
if(v.length>0)
DayStr = parseInt(v);
}
var objParent = obj.offsetParent;
var left = obj.offsetLeft;
var top = obj.offsetTop;
while(objParent.tagName.toUpperCase() != "BODY"){
left += objParent.offsetLeft;
top += objParent.offsetTop;
objParent = objParent.offsetParent;
}
left += obj.offsetWidth;
top += obj.offsetHeight;
idCalendar.style.top = top+1;
idCalendar.style.left = left-260;
caleX = left - 260;
caleY = top + 1;
idCalendar.innerHTML = initCalendar();
idCalendar.style.display="";
hideElement("SELECT");
/*var left = event.clientX;
var top = event.clientY;
idCalendar.style.top = top+5;
idCalendar.style.left = left-250;
idCalendar.innerHTML = initCalendar();
idCalendar.style.display="";*/
}
function TDClick(){
DayStr = event.srcElement.innerText;
if(showtype=="day"){
tobj.value = YearStr + "-" + MonthStr + "-" + DayStr;
}
else{
tobj.value = YearStr + "-" + MonthStr;
}
hideCalendar();
}
function getCaleToSec(){
var dt;
if(showtype=="day")
dt = new Date(MonthStr+"/"+DayStr+"/"+YearStr);
else
dt = new Date(MonthStr+"/1/"+YearStr);
var s = dt.getTime();
return s/1000;
}
function hideCalendar(){
idCalendar.style.display = "none";
showElement("SELECT");
}
function C_MouseUp(){
if(idCalendar == null)
return;
var top = parseInt(idCalendar.style.top);
var left = parseInt(idCalendar.style.left);
var wi = idCalendar.offsetWidth;
var he = idCalendar.offsetHeight;
var x = event.clientX;
var y = event.clientY;
var x1 = left + wi;
var y1 = top + he;
if(x>x1||x<left||y>y1||y<top){
hideCalendar();
showElement("SELECT");
}
}
function hideElement(elmID){
for (i = 0; i < document.all.tags(elmID).length; i++){
obj = document.all.tags(elmID)[i];
if (! obj || ! obj.offsetParent)
continue;
objLeft = obj.offsetLeft;
objTop = obj.offsetTop;
objParent = obj.offsetParent;
while (objParent.tagName.toUpperCase() != "BODY")
{
objLeft += objParent.offsetLeft;
objTop += objParent.offsetTop;
objParent = objParent.offsetParent;
}
if(caleX > (objLeft + obj.offsetWidth) || objLeft > (caleX + idCalendar.offsetWidth))
;
else if(objTop > (caleY + idCalendar.offsetHeight))
;
else if(caleY > (objTop + obj.offsetHeight))
;
else
obj.style.visibility = "hidden";
}
}
function showElement(elmID){
for (i = 0; i < document.all.tags(elmID).length; i++){
obj = document.all.tags(elmID)[i];
if (! obj || ! obj.offsetParent)
continue;
obj.style.visibility = "";
}
}
document.onmouseup = C_MouseUp;
<!--End-->
<BODY>
<p> </p>
<FORM METHOD=POST ACTION="">
<TABLE width="80%" align=center>
<TR>
<TD width=150> </TD>
<TD align=center>
<INPUT TYPE="text" NAME="day" class=bk><INPUT TYPE="button" value="▼" class=btn onclick="showCalendar('day')">
</TD>
<TD width=150> </TD>
</TR>
</TABLE>
</FORM>
</BODY>
</HTML>
