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TchatRoom的实现:
{ TChatRoom }
constructor TChatRoom.Create(RoomName:string;RoomID:integer);
begin
FBufferLength:=0;
FConnectCount:=0;
FClearBufferTag:=1;
FLocked:=false;
FRoomName:=RoomName;
FRoomID:=RoomID;
end;
procedure TChatRoom.ClearBuffer;
var
i:integer;
begin
///在这里可以检测一个标志,判断是否需要服务器记录每一次聊天内容
for i:=1 to 20 do
FBuffer[i]:='''''''';
FBufferLength:=0;
FClearBufferTag:=0-FClearBufferTag;
end;
procedure TChatRoom.OneSpeak(content:string);
begin
FLocked:=true;
inc(FBufferLength);
if FBufferLength>20 then
begin
ClearBuffer;
inc(FBufferLength);
end;
FBuffer[FBufferLength]:=content;
FLocked:=false;
end;
function TChatRoom.OneRead:TStrings;
var
FStrings:TStrings;
i:integer;
begin
FLocked:=true;
FStrings:=TStringList.Create;
for i:=1 to FBufferLength do
FStrings.Add(FBuffer[i]);
result:=FStrings;
FLocked:=false;
end;
function TChatRoom.GetCanRead: boolean;
begin
result:=false;
if FBufferLength>0 then result:=true;
end;
procedure TChatRoom.LoginRoom(UserName:string);
//用户登陆聊天室事件,这里没有完全实现
begin
inc(FConnectCount);
end;
procedure TChatRoom.LeaveRoom(UserName: string);
//用户离开聊天室事件,这里没有完全实现
begin
Dec(FConnectCount);
end;
服务器端的最后一个比较重要的部分TchatRoomManager:
type
TChatRoomManager=class
private
ChatRoom:array of TChatRoom;
public
constructor Create;
function FindRoomByID(id:integer):TChatRoom;
end;
实现部分:
{ TChatRoomManager }
constructor TChatRoomManager.Create;
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