Delphi Ë«É«Çò·ÖÎöÈí¼þ(1)
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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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