//1、打开目录和打开txt文件
procedure TMainForm.bbtnOpenLoClick(Sender: TObject);
var
  sLogName: string;
begin
  sLogName := Pub_EXEPath + '\日志\' + FormatDateTime('yyyy-mm-dd',date())+'.txt';
  if not FileExists(sLogName) then
  begin
    MessageBox(0, '今日无错误日志！', '提示', MB_OK + MB_ICONINFORMATION);
    Exit;
  end;
  try
    OpenLog(sLogName);
  except on E : Exception do
    begin
      LogInfo('打开日志文件出错，原因：' + E.Message, True);
      MessageBox(0, '打开日志文件出错，请重试！', '错误', MB_OK + MB_ICONERROR);
    end;
  end;
end;

procedure TMainForm.bbtnOpenLogFolderClick(Sender: TObject);
var
  sDirName: string;
begin
  sDirName := Pub_EXEPath + '\日志';
  if not DirectoryExists(sDirName) then CreateDir(sDirName);
  try
    OpenLogDirectory(sDirName);
  except on E : Exception do
    begin
      LogInfo('打开日志目录出错，原因：' + E.Message, True);
      MessageBox(0, '打开日志目录出错，请重试！', '错误', MB_OK + MB_ICONERROR);
    end;
  end;
end;

-------
procedure TMainForm.OpenLogDirectory(DirName: string);
begin
  ShellExecute(Handle,'Open',PChar(DirName), nil, nil, 1);
end;

procedure TMainForm.OpenLog(FileName: string);
begin
  ShellExecute(Handle, 'Open', PChar('NotePad'), PChar(FileName), nil, SW_SHOW);
end;