用PHP和ACCESS写聊天室(七)

  •   2009-08-01/08:16
  • chtcont.php3:
    代码如下:
    <?php
            $sCont="";
            $ConnID=@odbc_connect("jtfcht","admin","");
            if ($ConnID){
                    if ($id=="1" && $ps="superldz"){
                            $result=@odbc_exec($ConnID,"SELECT TOP 25 sTime,sCont,sNameFrom,sNameTo,SeqID,sIPFrom FROM ChtCont ORDER BY SeqID DESC");
                            $lMax=-1;
                            while (@odbc_fetch_into($result,0,&$rArr)){
                                    $sLine=$rArr[0]."&nbsp;".$rArr[1];
                                    $sLine=str_replace("%m",$rArr[2]."[".$rArr[5]."]",$sLine);
                                    $sLine=str_replace("%g",$rArr[3],$sLine);
                                    $sLine.="<br>n";
                                    if ($rArr[4]>$lMax) $lMax=$rArr[4];
                                    $sCont=$sLine.$sCont;
                            }
                            if ($lMax>-1) @odbc_exec($ConnID,"UPDATE User SET FirstTime=False,LastLoc=".($lMax+1)." WHERE UserID=".$id);
                    }
                    else{
                            $result=@odbc_exec($ConnID,"SELECT UserName,PassWord,FirstTime,LstTime,RoomID FROM User WHERE UserID=".$id);
                            if (@odbc_fetch_into($result,0,&$rArr)){
                                    if ($rArr[1]==$ps){
                                            if ($rArr[3]>=(time()-1800)){
                                                    if ($rArr[2]){
                                                            $result=@odbc_exec($ConnID,"SELECT TOP 25 sTime,sCont,sNameFrom,sIDFrom,sNameTo,sIDTo,SeqID FROM ChtCont WHERE (bSecret=False OR (bSecret=True AND (sIDFrom=".$id." OR sIDTo=".$id." OR sIDTo=0))) AND (RoomID=".$rArr[4]." OR RoomID=0) ORDER BY SeqID DESC");
                                                            $lMax=-1;
                                                            while (@odbc_fetch_into($result,0,&$rArr)){
                                                                    $sLine=$rArr[0]."&nbsp;".$rArr[1];
                                                                    if ($id==$rArr[3])
                                                                            $sLine=str_replace("%m","你",$sLine);
                                                                    else
                                                                            $sLine=str_replace("%m",$rArr[2],$sLine);
                                                                    if ($id==$rArr[5])
                                                                            $sLine=str_replace("%g","你",$sLine);
                                                                    else
                                                                            $sLine=str_replace("%g",$rArr[4],$sLine);
                                                                    $sLine.="<br>n";
                                                                    if ($rArr[6]>$lMax) $lMax=$rArr[6];
                                                                    $sCont=$sLine.$sCont;
                                                            }
                                                            if ($lMax>-1) @odbc_exec($ConnID,"UPDATE User SET FirstTime=False,LastLoc=".($lMax+1)." WHERE UserID=".$id);
                                                    }
                                            }
                                            else $sCont="<p align='center'>你已经超时了</p><p align='center'>按<a href='.' target='_top'>这里</a>重新登录</p></body></html>";
                                    }
                                    else $sCont="<p align='center'>口令不对!</p><p align='center'>按<a href='.' target='_top'>这里</a>重新登录</p></body></html>";
                            }
                            else $sCont="<p align='center'>该用户不存在!</p><p align='center'>按<a href='.' target='_top'>这里</a>重新登录</p></body></html>";
                    }
                    @odbc_close($ConnID);
            }
            else $sCont="<p align='center'>系统故障,无法登录!</p></body></html>";
    ?>
    <html>
    <head>
    <title>聊天内容</title>
    <meta http-equiv="Content-Type" content="text/html; charset=gb2312">
    <!--link rel="stylesheet" href="main.css" type="text/css"-->
    </head>
    <body>
    <?php echo $sCont; ?>  

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