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{-----------------------------------------------------------------------------
Unit Name: HashTable
Author: LiuHeng
Date: 2010-04-13
Purpose: ·â×°DelphiµÄHashTable
History:
------------------------------- ......
unit MyADO;
interface
uses
SysUtils, Classes,ADODB,DB,Variants,StdCtrls,Dialogs;
type
TMyADO = class(TComponent)
private
Connection: TADOConnection;
Query: TADOQuery;
Table: TADOTable;
FConnectio ......
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¸öÓ¦ÓóÌÐò£¨OLE Controller£©·ÃÎÊÆäËüÓ¦ÓóÌÐò£¨OLE Server£©ËùÌṩµÄ
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ijÏÄܱàдÌض¨ ......
1.Round£¨ËÄÉáÁùÈëÎåÁôË«£©
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var
i, j: Integer;
begin
i := Round(1.5); // iµÈÓÚ2
j := Round(2.5); // jµÈÓÚ2
end;
ÔÚDelphiÖÐʹÓÃRoundº¯ÊýµÃµ½µÄ´ð°¸ÓÐʱÓëÎÒÃÇËùÔ¤ÆڵĻ᲻̫һÑù£º²ÉÓõÄÊÇËÄÉáÁùÈëÎåÁôË«¡£¼´µ±Éá»òÈëλ´óÓÚ»òСÓÚÎåÊ ......
var
ExcelFile:string;
SourceRange,DesRange:Variant;
Row,Column,i:integer;
begin
if OpenDialog1.Execute then
begin
ExcelFile:=OpenDialog1.Files[0];
if not FileExists(ExcelFile) then Exit;
end
else
Exit;
try
ExcelApp:=CreateOleObject('Excel.Application');
......