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一个投票程序
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1. vote.asp
<%@ LANGUAGE="VBSCRIPT"%>
<%OPTION EXPLICIT%>
<%Response.Buffer = True%>
<!-- #INCLUDE FILE="adovbs.inc" -->
<%
'*** Remember to create those variables before trying to use them.
Dim objConn
Dim objRec3
Dim strConnect
Dim varTopic, varTopicID, varSelectionNum, varSelected
Dim i, varTotal, varThis, varThisTitle, varAlreadyVote
strConnect = "DRIVER={Microsoft Access Driver (*.mdb)};DBQ=" & Server.MapPath("vote.mdb") & ";DefaultDir=" & Server.MapPath(".") & ";DriverId=25;FILE=MS Access;MaxBufferSize=512;PageTimeout=5;SafeTransactions=0;Threads=3;UID=admin;UserCommitSync=Yes;;User Id=admin;"
Set objConn = Server.CreateObject ("ADODB.Connection") '*** Create an ADO database connection object.
Set objRec3 = Server.CreateObject ("ADODB.Recordset") '** Create an ADO RecordSet object.
objConn.Open strConnect '*** Open the connection to the database
objRec3.Open "vote", objConn, adOpenForwardOnly, adLockPessimistic, adUseServer '*** Open the recordset
varTopic = Request.Form("topic")
varTopicID = Request.Form("topicID")
if varTopicID="" then
varTopicID = Request.QueryString("topicID")
end if
varSelectionNum = Request.Form("selectionNum")
varSelected = Request.Form("selected")
objRec3.Filter = 0
objRec3.Filter = "topicID=" & varTopicID 'only number can be filter?
If NOT objRec3.EOF then
if Request.Form("selected") = "" then
else
varAlreadyVote="alreadyVote" & "_" & varTopicID
if Session(varAlreadyVote)<>"true" then
objRec3("selection" & varSelected & "_count") = objRec3("selection" & varSelected & "_count") +1
objRec3.Update
Session(varAlreadyVote)="true"
end if
end if
varTotal=0
for i=0 to objRec3("selectionNum")-1
varTotal=varTotal+ objRec3("selection" & i & "_count")
next
%>
<p align=left> <% =varTopic %> </p>
<p align=center>
<table width=480 border=0 cellspacing=0 cellpadding=0 bgcolor=#000000>
<caption align=left><font size=2>共有 <font color=red><% =varTotal %></font>人参加</font></caption>
<tr><td>
<table width=480 border=0 cellspacing=1 cellpadding=3>
<tr bgcolor=#dcdcdc align=center valign=center>
<th width=120><font size=2>选项</font></td>
<th width=300><font size=2>比 例</font></td>
<th width=60><font size=2>人数</font></td>
</tr>
<%
for i=0 to objRec3("selectionNum")-1
varThisTitle=objRec3("selection" & i & "_title")
varThis=objRec3("selection" & i & "_count")
%>
<tr bgcolor=#ffffff valign=center>
<td width=120 align=center><font size=2 color=#ff0000><% =varThisTitle %></font></td>
<td width=300 align=left><img src="color.gif" width=<% =varThis*100/varTotal %> height=12 border=0><font size=2 color=#ff0000>
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