【转】delphi 保存到txt文件

procedure TForm1.btn1Click(Sender: TObject);
var
  astr: string;
  sList: TStrings;
  path: string;
begin
    sList := TStringList.Create;
    path := 'C:\a\b.txt';

    try
       if not DirectoryExists(ExtractFilePath(path)) then
       begin
         ForceDirectories(ExtractFilePath(path));
       end;
       if FileExists(path) then
       begin
         sList.LoadFromFile(path);
       end;
       sList.Add(FormatDateTime(# + mmo1.Text);
       sList.SaveToFile(path);
    finally
      sList.Free;
    end;
end;

转自：http://blog.sina.com.cn/s/blog_4bc47d230101eief.html