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Delphi Ë«É«Çò·ÖÎöÈí¼þ(1)

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{¹¤¾ßÀ൥Ԫ£¬°üÀ¨Ò»Ð©Óõ½µÄ¸¨ÖúÀඨÒå}
unit uCustomUtils;
interface
uses
  Classes;
type
  TLottery = packed record
   {ºìÇò¼¯ºÏ}
    RedBalls: TStringList;
    {ÀºÇò}
    BlueBall: string;
    {¿ª½±ÆÚºÅ}
    Period: string;
    {¿ª½±Ê±¼ä}
    Time: string;
    {ÆæżÊý±È}
    OddEvenCompare: string;
    {´óС±È}
    BigSmallCompare: string;
    {ºÍÖµ}
    Sum: string;
  end;
  pLottery = ^TLottery;
implementation
end.
{Êý¾Ý¿â¸¨Öúµ¥Ôª£¬Í¨¹ýÕâ¸öÀàÈ¥ÓëÊý¾Ý¿â´ò½»µÀ,ÒòΪµ±Ç°Óõ½µÄÊÇAccessÊý¾Ý¿â£¬}
{ËùÒԼ̳ÐÁËÒ»¸öAccessµÄÀ࣬ÆäËûÊý¾Ý¿â£¬¿ÉÒÔÔÙÁíÐÐʵÏÖ}
unit uDBHelper;
interface
uses
  Classes, ADODB, SysUtils, Windows,
  uCustomUtils;
const
  CONNECTION_STRING_ACCESS = 'Provider=Microsoft.Jet.OLEDB.4.0;Data Source=%s;Persist Security Info=False';
type
  TDBHelper = class
  private
    FDBFilePath: string;
    FCommandText: string;
    FConnection: TADOConnection;
  public
    {Ö´ÐÐInsert,Delete,Update²Ù×÷}
    procedure Execute; virtual; abstract;
    {Ö´ÐÐselect²Ù×÷}
    procedure SelectExecute; virtual; abstract;
    {´ò¿ªÊý¾Ý¿âÁ¬½Ó}
    procedure Open; virtual; abstract;
    {¹Ø±ÕÊý¾Ý¿âÁ¬½Ó}
    procedure Close; virtual; abstract;
    {¹¹Ô캯Êý}
  &n


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