Question

我想列出访问者的IP地址和上次冲浪网址。我编码的以下代码可以很好地期待一件事。它不会列出最后一个URL地址，而是列出所有这些地址。例如：

71.187.189.67 | 7/6/2009 9:59:25 PM | /html/default.aspProcess=HomeNewSeason& IMAGECONTENT = bg_home_newtaste.gif更多...... 71.187.189.67 | 7/6/2009 9:59:24 PM | /html/default.aspMore ... 66.249.68.210 | 7/6/2009 9:51:32 PM | /html/default.aspSection=products& SubSection = products＆amp; CATEGORYID = 2＆amp; SORTBY = PriceDownMore ...

但我希望它为

71.187.189.67 | 7/6/2009 9:59:25 PM | /html/default.aspProcess=HomeNewSeason& IMAGECONTENT = bg_home_newtaste.gif更多...... 66.249.68.210 | 7/6/2009 9:51:32 PM | /html/default.aspSection=products& SubSection = products＆amp; CATEGORYID = 2＆amp; SORTBY = PriceDownMore ...

我的代码

<%
    OnlineTime = DateAdd("n", -10, Now())

    SQL = "SELECT COUNT(DISTINCT VISITORIP) AS ONLINE, VISITORIP, HTTPADDRESS, DATEENTERED"
    SQL = SQL & " FROM STATS"
    SQL = SQL & " WHERE DATEENTERED BETWEEN '" & OnlineTime & "' AND '" & NOW() & "'"
    SQL = SQL & " GROUP BY VISITORIP, HTTPADDRESS, DATEENTERED"
    SQL = SQL & " ORDER BY DATEENTERED DESC"
    Set objOnVisitors = objConn.Execute(SQL)    

    If objOnVisitors.EOF Then
    Else
%>  
      <!-- Start Post -->
      <div class="post">
        <div class="date">
          <span class="month">Online</span>
          <span class="day"><%=objOnVisitors("ONLINE")%></span>
        </div>
        <p>
          <span class="title">Visits Online</span>
        </p>
<% Do While Not objOnVisitors.EOF %>
        <p>
            <%=objOnVisitors("VISITORIP")%>|<%=objOnVisitors("DATEENTERED")%>|<%=objOnVisitors("HTTPADDRESS")%><a href="">More...</a>
        </p>
<%
    objOnVisitors.MoveNext
    Loop
%>

        </div>
        <!-- End Post -->

    End If
    objOnVisitors.Close
    Set objOnVisitors = Nothing
%>

Answer 1

此查询应该这样做。语法可能有点不对。我正在创建一个内部查询来查找MAX（DATEENTERED），并将其连接到STATS以将结果限制为每个IP的最新结果。

SQL = "SELECT S.VISITORIP, S.HTTPADDRESS, S.DATEENTERED"
SQL = SQL & " FROM STATS S"
SQL = SQL & " JOIN (SELECT VISITORIP, MAX(DATEENTERED) FROM STATS S WHERE DATEENTERED BETWEEN '" & OnlineTime & "' AND '" & NOW() & "') S1"
SQL = SQL & " ON S.VISITORIP = S1.VISITORIP AND S.DATEENTERED = S1.DATEENTERED"
SQL = SQL & " WHERE S.DATEENTERED BETWEEN '" & OnlineTime & "' AND '" & NOW() & "'"
SQL = SQL & " GROUP BY S.VISITORIP, S.HTTPADDRESS, S.DATEENTERED"
SQL = SQL & " ORDER BY S.DATEENTERED DESC"

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