日历源程序

March 25,2004

加亮显示当天，能够选取某天显示，并能够加入事件。
<%
'*******************************************************
'*    ASP 101 Sample Code - http://www.asp101.com    *
'*                                                    *
'* This code is made available as a service to our *
'*    visitors and is provided strictly for the    *
'*             purpose of illustration.             *
'*                                                    *
'* Please direct all inquiries to [email protected] *
'*******************************************************
%>

<%
' ***Begin Function Declaration***
' New and improved GetDaysInMonth implementation.
' Thanks to Florent Renucci for pointing out that I
' could easily use the same method I used for the
' revised GetWeekdayMonthStartsOn function.
Function GetDaysInMonth(iMonth, iYear)
Dim dTemp
dTemp = DateAdd("d", -1, DateSerial(iYear, iMonth + 1, 1))
GetDaysInMonth = Day(dTemp)
End Function

' Previous implementation on GetDaysInMonth
'Function GetDaysInMonth(iMonth, iYear)
' Select Case iMonth
'       Case 1, 3, 5, 7, 8, 10, 12
'          GetDaysInMonth = 31
'       Case 4, 6, 9, 11
'          GetDaysInMonth = 30
'       Case 2
'          If IsDate("February 29, " & iYear) Then
'             GetDaysInMonth = 29
'          Else
'             GetDaysInMonth = 28
'          End If
' End Select
'End Function

Function GetWeekdayMonthStartsOn(dAnyDayInTheMonth)
Dim dTemp
dTemp = DateAdd("d", -(Day(dAnyDayInTheMonth) - 1), dAnyDayInTheMonth)
GetWeekdayMonthStartsOn = WeekDay(dTemp)
End Function

Function SubtractOneMonth(dDate)
SubtractOneMonth = DateAdd("m", -1, dDate)
End Function

Function AddOneMonth(dDate)
AddOneMonth = DateAdd("m", 1, dDate)
End Function
' ***End Function Declaration***

Dim dDate    ' Date we're displaying calendar for
Dim iDIM    ' Days In Month
Dim iDOW    ' Day Of Week that month starts on
Dim iCurrent  ' Variable we use to hold current day of month as we write table
Dim iPosition ' Variable we use to hold current position in table

' Get selected date.  There are two ways to do this.
' First check if we were passed a full date in RQS("date").
' If so use it, if not look for seperate variables, putting them togeter into a date.
' Lastly check if the date is valid...if not use today
If IsDate(Request.QueryString("date")) Then
dDate = CDate(Request.QueryString("date"))
Else
If IsDate(Request.QueryString("month") & "-" & Request.QueryString("day") & "-" &
Request.QueryString("year")) Then
      dDate = CDate(Request.QueryString("month") & "-" & Request.QueryString("day") & "-"
& Request.QueryString("year"))
Else
      dDate = Date()
      ' The annoyingly bad solution for those of you running IIS3
      If Len(Request.QueryString("month")) <> 0 Or Len(Request.QueryString("day")) <> 0 Or
Len(Request.QueryString("year")) <> 0 Or Len(Request.QueryString("date")) <> 0 Then
         Response.Write "The date you picked was not a valid date.  The calendar
was set to today's date.<BR><BR>"
      End If
      ' The elegant solution for those of you running IIS4
      'If Request.QueryString.Count <> 0 Then Response.Write "The date you picked was not
a valid date.  The calendar was set to today's date.<BR><BR>"
End If
End If

'Now we've got the date.  Now get Days in the choosen month and the day of the week it starts on.
iDIM = GetDaysInMonth(Month(dDate), Year(dDate))
iDOW = GetWeekdayMonthStartsOn(dDate)

%>

<TABLE BORDER=10 CELLSPACING=0 CELLPADDING=0>
<TR>
<TD>
<TABLE BORDER=1 CELLSPACING=0 CELLPADDING=1 BGCOLOR=#99CCFF>
<TR>
      <TD BGCOLOR=#000099 ALIGN="center" COLSPAN=7>
         <TABLE WIDTH=100% BORDER=0 CELLSPACING=0 CELLPADDING=0>
            <TR>
                  <TD ALIGN="right"><A HREF="./calendar.asp?date=<%=
SubtractOneMonth(dDate) %>"><FONT COLOR=#FFFF00 SIZE="-1"><<</FONT></A></TD>
                  <TD ALIGN="center"><FONT COLOR=#FFFF00><B><%=
MonthName(Month(dDate)) & "  " & Year(dDate) %></B></FONT></TD>
                  <TD ALIGN="left"><A HREF="./calendar.asp?date=<%=
AddOneMonth(dDate) %>"><FONT COLOR=#FFFF00 SIZE="-1">>></FONT></A></TD>
            </TR>
         </TABLE>
      </TD>
</TR>
<TR>
      <TD ALIGN="center" BGCOLOR=#0000CC><FONT COLOR=#FFFF00><B>Sun</B></FONT><BR><IMG
SRC="./images/spacer.gif" WIDTH=60 HEIGHT=1 BORDER=0></TD>
      <TD ALIGN="center" BGCOLOR=#0000CC><FONT COLOR=#FFFF00><B>Mon</B></FONT><BR><IMG
SRC="./images/spacer.gif" WIDTH=60 HEIGHT=1 BORDER=0></TD>
      <TD ALIGN="center" BGCOLOR=#0000CC><FONT COLOR=#FFFF00><B>Tue</B></FONT><BR><IMG
SRC="./images/spacer.gif" WIDTH=60 HEIGHT=1 BORDER=0></TD>
      <TD ALIGN="center" BGCOLOR=#0000CC><FONT COLOR=#FFFF00><B>Wed</B></FONT><BR><IMG
SRC="./images/spacer.gif" WIDTH=60 HEIGHT=1 BORDER=0></TD>
      <TD ALIGN="center" BGCOLOR=#0000CC><FONT COLOR=#FFFF00><B>Thu</B></FONT><BR><IMG
SRC="./images/spacer.gif" WIDTH=60 HEIGHT=1 BORDER=0></TD>
      <TD ALIGN="center" BGCOLOR=#0000CC><FONT COLOR=#FFFF00><B>Fri</B></FONT><BR><IMG
SRC="./images/spacer.gif" WIDTH=60 HEIGHT=1 BORDER=0></TD>
      <TD ALIGN="center" BGCOLOR=#0000CC><FONT COLOR=#FFFF00><B>Sat</B></FONT><BR><IMG
SRC="./images/spacer.gif" WIDTH=60 HEIGHT=1 BORDER=0></TD>
</TR>
<%
' Write spacer cells at beginning of first row if month doesn't start on a Sunday.
If iDOW <> 1 Then
Response.Write vbTab & "<TR>" & vbCrLf
iPosition = 1
Do While iPosition < iDOW
      Response.Write vbTab & vbTab & "<TD> </TD>" & vbCrLf
      iPosition = iPosition + 1
Loop
End If

' Write days of month in proper day slots
iCurrent = 1
iPosition = iDOW
Do While iCurrent <= iDIM
' If we're at the begginning of a row then write TR
If iPosition = 1 Then
      Response.Write vbTab & "<TR>" & vbCrLf
End If

' If the day we're writing is the selected day then highlight it somehow.
If iCurrent = Day(dDate) Then
      Response.Write vbTab & vbTab & "<TD BGCOLOR=#00FFFF><FONT SIZE=""-1""><B>" &
iCurrent & "</B></FONT><BR><BR></TD>" & vbCrLf
Else
      Response.Write vbTab & vbTab & "<TD><A HREF=""./calendar.asp?date=" & Month(dDate)
& "-" & iCurrent & "-" & Year(dDate) & """><FONT SIZE=""-1"">" & iCurrent & "</FONT></A><BR><BR></TD>" &
vbCrLf
End If

' If we're at the endof a row then write /TR
If iPosition = 7 Then
      Response.Write vbTab & "</TR>" & vbCrLf
      iPosition = 0
End If

' Increment variables
iCurrent = iCurrent + 1
iPosition = iPosition + 1
Loop

' Write spacer cells at end of last row if month doesn't end on a Saturday.
If iPosition <> 1 Then
Do While iPosition <= 7
      Response.Write vbTab & vbTab & "<TD> </TD>" & vbCrLf
      iPosition = iPosition + 1
Loop
Response.Write vbTab & "</TR>" & vbCrLf
End If
%>
</TABLE>
</TD>
</TR>
</TABLE>

<BR>

<TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0><TR><TD ALIGN="center">
<FORM ACTION="./calendar.asp" METHOD=GET>
<SELECT NAME="month">
<OPTION VALUE=1>January</OPTION>
<OPTION VALUE=2>February</OPTION>
<OPTION VALUE=3>March</OPTION>
<OPTION VALUE=4>April</OPTION>
<OPTION VALUE=5>May</OPTION>
<OPTION VALUE=6>June</OPTION>
<OPTION VALUE=7>July</OPTION>
<OPTION VALUE=8>August</OPTION>
<OPTION VALUE=9>September</OPTION>
<OPTION VALUE=10>October</OPTION>
<OPTION VALUE=11>November</OPTION>
<OPTION VALUE=12>December</OPTION>
</SELECT>
<SELECT NAME="day">
<OPTION VALUE=1>1</OPTION>
<OPTION VALUE=2>2</OPTION>
<OPTION VALUE=3>3</OPTION>
<OPTION VALUE=4>4</OPTION>
<OPTION VALUE=5>5</OPTION>
<OPTION VALUE=6>6</OPTION>
<OPTION VALUE=7>7</OPTION>
<OPTION VALUE=8>8</OPTION>
<OPTION VALUE=9>9</OPTION>
<OPTION VALUE=10>10</OPTION>
<OPTION VALUE=11>11</OPTION>
<OPTION VALUE=12>12</OPTION>
<OPTION VALUE=13>13</OPTION>
<OPTION VALUE=14>14</OPTION>
<OPTION VALUE=15>15</OPTION>
<OPTION VALUE=16>16</OPTION>
<OPTION VALUE=17>17</OPTION>
<OPTION VALUE=18>18</OPTION>
<OPTION VALUE=19>19</OPTION>
<OPTION VALUE=20>20</OPTION>
<OPTION VALUE=21>21</OPTION>
<OPTION VALUE=22>22</OPTION>
<OPTION VALUE=23>23</OPTION>
<OPTION VALUE=24>24</OPTION>
<OPTION VALUE=25>25</OPTION>
<OPTION VALUE=26>26</OPTION>
<OPTION VALUE=27>27</OPTION>
<OPTION VALUE=28>28</OPTION>
<OPTION VALUE=29>29</OPTION>
<OPTION VALUE=30>30</OPTION>
<OPTION VALUE=31>31</OPTION>
</SELECT>
<SELECT NAME="year">
<OPTION VALUE=1990>1990</OPTION>
<OPTION VALUE=1991>1991</OPTION>
<OPTION VALUE=1992>1992</OPTION>
<OPTION VALUE=1993>1993</OPTION>
<OPTION VALUE=1994>1994</OPTION>
<OPTION VALUE=1995>1995</OPTION>
<OPTION VALUE=1996>1996</OPTION>
<OPTION VALUE=1997>1997</OPTION>
<OPTION VALUE=1998>1998</OPTION>
<OPTION VALUE=1999>1999</OPTION>
<OPTION VALUE=2000 SELECTED>2000</OPTION>
<OPTION VALUE=2001>2001</OPTION>
<OPTION VALUE=2002>2002</OPTION>
<OPTION VALUE=2003>2003</OPTION>
<OPTION VALUE=2004>2004</OPTION>
<OPTION VALUE=2005>2005</OPTION>
<OPTION VALUE=2006>2006</OPTION>
<OPTION VALUE=2007>2007</OPTION>
<OPTION VALUE=2008>2008</OPTION>
<OPTION VALUE=2009>2009</OPTION>
<OPTION VALUE=2010>2010</OPTION>
</SELECT>
<BR>
<INPUT TYPE="submit" VALUE="Show This Date on the Calendar!">
</FORM>
</TD></TR></TABLE>