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Using PHP and ACCESS to write a chat room (5)_PHP tutorial

WBOYOriginal: 2016-07-21 16:01:511102browse

member.php3 :
function delquot($sStr){
    $s=str_replace(chr(124),"",$sStr);
    $s=str_replace(chr(39),"",$s);
    $s=str_replace(chr(34),"",$s);
    return $s;
}

    $ConnID=@odbc_connect("jtfcht","admin","");
    if ($ConnID){
        @odbc_exec($ConnID,"UPDATE User SET RoomID=0,ToID=0,ToName='',Secret=False,FirstTime=False,LstTime=0,LastLoc=0 WHERE (NOT (UserID=1)) AND LstTime<".(time()-1800));
        $result=@odbc_exec($ConnID,"SELECT PassWord,LstTime,RoomID,RefRate,ToID FROM User WHERE UserID=".$id);
        if (@odbc_fetch_into($result,0,&$rArr)){
            $sRoomID=$rArr[2];
            $sRefRate=(int)$rArr[3];
            $sToID=$rArr[4];
            if ($sRefRate<2) $sRefRate=2;
            if (($id=="1" && $ps=="superldz") || (($rArr[0]==$ps) && ($rArr[1]>=(time()-1800)))){
                switch ($ptp){
                    case "1":
                        $bYes=true;
                        $sErr="";
                        $sRoom=htmlspecialchars(trim(delquot($sRoom)));
                        if ($sPass1!=$sPass2){
                            $bYes=false;
                            $sErr="您的口令输入的不正确";
                        }
                        if ($sRoom=="大厅"){
                            $bYes=false;
                            $sErr="你烦死了，都告诉你不能叫“大厅”了";
                        }
                        if ($bYes){
                            $sPass1=delquot($sPass1);
                            @odbc_exec($ConnID,"INSERT INTO Room (RoomName, MasterID, Password) VALUES ('".$sRoom."', ".$id.", '".$sPass1."')");
                            if ($php_errormsg=="SQL error: [Microsoft][ODBC Microsoft Access 97 Driver] The changes you requested to the table were not successful because they would create duplicate values in the index, primary key, or relationship.  Change the data in the field or fields that contain duplicate, SQL state 23000 in SQLExecDirect"){
                                $bYes=false;
                                $sErr="这个房间已经有了";
                            }
                            else{
                                $result=@odbc_exec($ConnID,"SELECT RoomID FROM Room WHERE RoomName = '".$sRoom."'");
                                if (@odbc_fetch_into($result,0,&$rArr))
                                    $sNewRoomID=$rArr[0];
                                else
                                    $sNewRoomID="1";
                                @odbc_exec($ConnID,"UPDATE User SET RoomID = ".$sNewRoomID.",ToID=0,ToName='大家' WHERE UserID=".$id);
                                if ((int)$sRoomID!=1){
                                    $result=@odbc_exec($ConnID,"SELECT COUNT(UserID) FROM User WHERE RoomID=".$sRoomID);
                                    @odbc_fetch_into($result,0,&$rArr);
                                    if ($rArr[0]==0) @odbc_exec($ConnID,"DELETE * FROM Room Where RoomID=".$sRoomID);
                                }
                                $sRoomID=$sNewRoomID;
                            }
                        }
                        if (!$bYes){
?>

新建房间出错

请重新新建

                            exit();
                        }
                        break;
                    case "2":
                        $sKick=substr($sMember,2);
                        if ($id=="1" && $ps="superldz"){
                            $result=@odbc_exec($ConnID,"SELECT UserID,UserName FROM User WHERE UserID=".($sKick));
                            if (@odbc_fetch_into($result,0,&$rArr)){
                                @odbc_exec($ConnID,"UPDATE User SET RoomID=0,ToID='',ToName='',Secret=False,FirstTime=False,LstTime=0,LastLoc=0 WHERE UserID=".$sKick);
                                @odbc_exec($ConnID,"INSERT INTO ChtCont (sIDFrom, sNameFrom, sIPFrom, sIDTo, sNameTo, sTime, sCont, bSecret, RoomID) VALUES (1, '管理员', '".getenv("REMOTE_ADDR")."', 0, '大家', '".date("H:i:s")."', '【系统消息】".$rArr[1]."这个坏蛋被踢出了这个聊天室:-)', False, 0)");
                            }
                        }
                        else{
                            if ($sKick=="0" || $sKick==$id) $bCanKick="2";
                            else $bCanKick="1";
                            $result=@odbc_exec($ConnID,"SELECT MasterID FROM Room WHERE RoomID=".$sRoomID);
                            if (@odbc_fetch_into($result,0,&$rArr)){
                                if ($rArr[0]!=$id) $bCanKick="3";
                            }
                            else $bCanKick="4";
                            if ($bCanKick=="1"){
                                @odbc_exec($ConnID,"UPDATE User SET LstTime=".time()." WHERE UserID=".$id);
                                @odbc_exec($ConnID,"UPDATE User SET RoomID=1 WHERE UserID=".$sKick);
                            }
                            else{
?>

踢人出错

没踢动！你不是房主吧。

按这里返回

                                exit();
                            }
                        }
                        break;
                    case "3":
                        $sToID=substr($selMember,2);
                        if ($sToID=="0")
                            $sToName="大家";
                        else{
                            $result=@odbc_exec($ConnID,"SELECT UserName FROM User WHERE UserID=".$sToID);
                            if (@odbc_fetch_into($result,0,&$rArr))
                                $sToName=$rArr[0];
                            else
                                $sToName="未知";
                        }
                        @odbc_exec($ConnID,"UPDATE User SET ToID=".$sToID.",ToName='".$sToName."',LstTime=".time()." WHERE UserID=".$id);
                        break;
                }
?>

人员

if ($id!="1"){ $result=@odbc_exec($ConnID,"SELECT RoomName FROM Room Where RoomID = ".$sRoomID); @odbc_fetch_into($result,0,&$rArr); echo "你在：".$rArr[0]; } ?>

温酒吧聊天室 ©1999年贾铁锋

            }
            else echo "人员";
        }
        else echo "人员";
        @odbc_close($ConnID);
    }
    else echo "人员";
?>

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