Unit2.pas
资源名称:zkemsdk.zip [点击查看]
上传用户:lzd18710
上传日期:2009-11-26
资源大小:3595k
文件大小:4k
源码类别:
通讯编程
开发平台:
Visual Basic
- unit Unit2;
- interface
- uses
- Classes, windows, SysUtils, OleCtrls, zkemkeeper_TLB,Forms;
- type
- TLogReader = class(TThread)
- private
- { Private declarations }
- NewLogs: tstrings;
- FActive: boolean;
- FPeriod: integer;
- FConnected: boolean;
- CZKEM1: TCZKEM;
- DevID: integer;
- IPAddress: string;
- BaudRate, PortNo: integer;
- procedure UpdateList;
- procedure UpdateState;
- function Connect: boolean;
- procedure DisConnnect;
- function ReadLogs: integer;
- procedure ClearLogs;
- procedure SetActive(const Value: boolean);
- procedure SetPeriod(const Value: integer);
- protected
- procedure Execute; override;
- public
- constructor Create(AIPAddress: string; APortNumber: integer=4370); overload;
- constructor Create(APortNo: integer; ADevID: integer=1; ABaudRate: integer=115200); overload;
- destructor Destroy; override;
- property Connected: boolean read FConnected;
- property Active: boolean read FActive write SetActive;
- property Period: integer read FPeriod write SetPeriod;
- end;
- implementation
- uses unit1;
- { TLogReader }
- procedure TLogReader.ClearLogs;
- begin
- CZKEM1.ClearGLog(DevID);
- end;
- function TLogReader.Connect: boolean;
- begin
- if not Connected then
- begin
- if IPAddress='' then
- FConnected := CZKEM1.Connect_Com(PortNo, DevID, BaudRate)
- else
- FConnected := CZKEM1.Connect_Net(IPAddress, PortNo);
- if Connected then Synchronize(UpdateState);
- end;
- result := Connected;
- end;
- constructor TLogReader.Create(AIPAddress: string; APortNumber: integer);
- begin
- inherited Create(true);
- Period := 5;
- NewLogs := tstringlist.Create;
- IPAddress := AIPAddress;
- PortNo := APortNumber;
- DevID := 1;
- CZKEM1:= TCZKEM.Create(nil);
- CZKEM1.Width := 0;
- CZKEM1.Parent := application.MainForm;
- resume;
- end;
- constructor TLogReader.Create(APortNo, ADevID, ABaudRate: integer);
- begin
- inherited Create(true);
- Period := 5;
- NewLogs := tstringlist.Create;
- IPAddress := '';
- PortNo := APortNo;
- DevID := ADevID;
- BaudRate := ABaudRate;
- CZKEM1:= TCZKEM.Create(nil);
- CZKEM1.Width := 0;
- CZKEM1.Parent := application.MainForm;
- resume;
- end;
- destructor TLogReader.Destroy;
- begin
- CZKEM1.Free;
- NewLogs.free;
- inherited;
- end;
- procedure TLogReader.DisConnnect;
- begin
- if Connected then
- begin
- CZKEM1.Disconnect;
- FConnected := false;
- Synchronize(UpdateState);
- end;
- end;
- procedure TLogReader.Execute;
- var
- i: integer;
- OldActive: boolean;
- begin
- while true do
- begin
- if FActive then
- begin
- if Connect then
- begin
- if ReadLogs>0 then
- begin
- ClearLogs;
- Synchronize(UpdateList);
- end;
- end;
- end
- else
- DisConnnect;
- OldActive := FActive;
- //Sleep Period
- i := 0;
- while i<FPeriod*2-1 do
- begin
- //sleep 500ms
- WaitForSingleObject(GetCurrentThread(), 500);
- if Terminated then exit;
- if OldActive xor FActive then break;
- inc(i);
- end;
- end;
- end;
- function TLogReader.ReadLogs: integer;
- var
- dwTMachine, dwEnrollNumber,dwEMachineNumber,dwVerifyMode: Integer;
- dwInOutMode,dwYear,dwMonth,dwDay,dwHour,dwMinute: Integer;
- s: string;
- TimeStr: WideString;
- f: tfilestream;
- begin
- NewLogs.Clear;
- result := 0;
- if CZKEM1.ReadGeneralLogData(DevID) then
- //while CZKEM1.GetGeneralLogDataStr(DevID, dwEnrollNumber, dwVerifyMode,
- // dwInOutMode,TimeStr) do
- while CZKEM1.GetGeneralLogData(1,dwTMachine,dwEnrollNumber,dwEMachineNumber,dwVerifyMode,
- dwInOutMode,dwYear,dwMonth,dwDay,dwHour,dwMinute) do
- begin
- s:=format('%5d %d %d %s', [dwEnrollNumber, dwVerifyMode, dwInOutMode,TimeStr]);
- NewLogs.Add(s);
- inc(result);
- end;
- end;
- procedure TLogReader.SetActive(const Value: boolean);
- begin
- FActive := Value;
- end;
- procedure TLogReader.SetPeriod(const Value: integer);
- begin
- FPeriod := Value;
- end;
- procedure TLogReader.UpdateList;
- begin
- Form1.AddLogs(NewLogs);
- end;
- procedure TLogReader.UpdateState;
- begin
- form1.UpdateState(self, FConnected);
- end;
- end.