动易教程:运用日历功能查看指定日期的留言_动易Cms教程

<style>
html,body{margin:5px 0px 0px 0px;height:100%;font-size:9pt}
td { font-family: "宋体"; font-size:9pt}
</style>
<table width="180" cellpadding="0" cellspacing="1" bgcolor="dddddd" align=center>
<%
'以下为ASP中通过该日历算法实现的具体代码
'先判断是否指定了一个年份和月份，没有则根据当前的年和月份显示
If Request("ReqDate")="" then
CurrentDate=Date
else
CurrentDate=Trim(Request("ReqDate"))
end if
pyear=year(CurrentDate)
pmonth=month(CurrentDate)

'以下的代码生成日历显示的表格头内容
%>
<tr align="LEFT" bgcolor="#dddddd">
<td width="14%" height="19" align="center">
<input type="button" value="<<" onClick="JavaScript:location.href='?ReqDate=<%=DateAdd("m",-1,CurrentDate) %>'">
</td>
<td colspan="5" align="center">
<%=pyear%>年<%=pmonth%>月
</td>
<td width="14%" align="center">
<input type="button" value=">>" onClick="JavaScript:location.href='?ReqDate=<%=DateAdd("m",1,CurrentDate)%>'">
</td>
</tr>
<tr align="center" bgcolor="#CCCCCC">
<td width="14%" height="19"> 日</td>
<td width="14%"> 一</td>
<td width="14%"> 二</td>
<td width="14%"> 三</td>
<td width="14%"> 四</td>
<td width="14%"> 五</td>
<td width="14%"> 六</td>
</tr>
<tr align=center bgcolor=ffffff height=19>
<%
'由于ASP中没有获取指定月共有多少天的函数，因此我们需要通过其他算法来获得，算法其实很简单，就是计算一下要显示月份的1日至下个月的1日一共相差几天
fromDate = FormatDateTime(month(CurrentDate) & "/1/" & year(CurrentDate))
toDate = FormatDateTime(DateAdd("m",1,fromDate))
'获得要显示月份的第一天为周几
nunmonthstart=weekday(fromDate)-1
'获得要显示的1日至下个月的1日一共相差几天(月份一共有多少天)
nunmonthend=DateDiff("d",fromDate,toDate)
'判断显示日历需要用几行表格来显示（每行显示7天）
if nunmonthstart nunmonthend<36 then
maxi=36
else
maxi=43
end if
'循环生成表格并显示
i=1
do while i<maxi
iv=i-nunmonthstart
if i>nunmonthstart and i<=nunmonthend nunmonthstart then
'如果为显示的是今天则用红色背景显示
if iv=Day(now) and month(now)=pmonth and year(now)=pyear then
response.write( "<td align=center bgcolor=ffaaaa><a href='Search.asp?Field=GuestTime&KindID=0&keyword=" &pyear& "-" & pmonth & "-" & iv & "' target=_parent>" & iv & "</a></td>")
else
response.write( "<td align=center><a href='Search.asp?Field=GuestTime&KindID=0&keyword=" &pyear& "-" & pmonth & "-" & iv & "' target=_parent>" & iv & "</a></td>")
end if
else
response.write( "<td> </td>")
end if

'如果能被7整除（每行显示7个）则输出一个换行
if i mod 7=0 then
response.write( "</tr><tr align=center bgcolor=ffffff height=19>")
end if
i=i 1
loop
%>
</table>

If IsDate(Trim(Request("keyword"))) = False Then
FoundErr = True
ErrMsg = ErrMsg & "<li>" & XmlText("Guest", "ShowAllGuest/Err1", "输入的关键字不是有效日期！") & "</li>"
Exit Sub
Else
If SystemDatabaseType = "SQL" Then
sqlGuest = sqlGuest & " and GuestDatetime = '" & Trim(Request("keyword")) & "' "
Else
sqlGuest = sqlGuest & " and GuestDatetime = #" & Trim(Request("keyword")) & "# "
End If
End If

-----------------------------------------------------------------------------------

If IsDate(Trim(Request("keyword"))) = False Then
FoundErr = True
ErrMsg = ErrMsg & "<li>" & XmlText("Guest", "ShowAllGuest/Err1", "输入的关键字不是有效日期！") & "</li>"
Exit Sub
Else
If SystemDatabaseType = "SQL" Then
'如果数据量不大，用datediff是可以的，否则影响性能就最好用>=和 <
' sqlGuest = sqlGuest & " and GuestDatetime = '" & Trim(Request("keyword")) & "' "

'sqlGuest = sqlGuest & " and GuestDatetime between '" & Trim(Request("keyword")) & " 00:00:00' and '" & Trim(Request("keyword")) & " 23:59:59' "
sqlGuest = sqlGuest & " and datediff(day,guestdatetime,'" & Trim(Request("keyword")) & "')=0 "
Else
'sqlGuest = sqlGuest & " and GuestDatetime = #" & Trim(Request("keyword")) & "# "
sqlGuest = sqlGuest & " and GuestDatetime between #" & Trim(Request("keyword")) & " 00:00:00# and #" & Trim(Request("keyword")) & " 23:59:59# "
'sqlGuest = sqlGuest & " and datediff(day,guestdatetime,'" & Trim(Request("keyword")) & "')=0 "
End If
End If