Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

Delphi ´´½¨Ä¿Â¼¼°Ð´ÈÕÖ¾Îļþ


Delphi ´´½¨Ä¿Â¼¼°Ð´ÈÕÖ¾Îļþ
var
TF: TextFile;
LogFile: string;
txt :string;
sysDir:string;
//´´½¨°´Å¥
procedure TForm1.Button1Click(Sender: TObject);
begin
sysDir:=extractfilepath(application.ExeName );
if not directoryexists(sysdir+'log\') then
createdir(sysdir+'log\');
logfile:=sysdir+'log\'+formatdatetime('yyyymmdd',now)+'.txt';
end;
//дÈÕÖ¾°´Å¥
procedure TForm1.Button2Click(Sender: TObject);
begin
//assignfile(logfile,'log.txt');
AssignFile(tf,logfile);
if fileexists(logfile) then
append(tf)
else
rewrite(tf);
writeln(tf,'123');
closefile(tf);
end;


Ïà¹ØÎĵµ£º

delphi dll ¾²Ì¬µ÷ÓúͶ¯Ì¬µ÷Ó÷½·¨×ܽá

dll µ÷Ó÷½·¨ÓÐ ¾²Ì¬µ÷ÓúͶ¯Ì¬µ÷ÓÃÁ½ÖÖ·½·¨
Óõ½µÄdllΪÉÏÆªÎÄÕÂËù±àдµÄdll.
×ܽáÈçÏ£º
Unit Unit1;
Interface
Uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls;
Type
  TForm1 = Class(TForm)
    Button1: TButton; ......

delphi Format Type

Format
  typeµÄ¿ÉÄÜÖµÓÐÏÂÁÐÕâЩ£º
  (1) d ÓзûºÅÊ®½øÖÆÊý
        Args±ØÐëÊÇÓзûºÅÕûÐÍÊý¡£Èç¹ûÔÚ¸ñʽ»¯×Ö·û´®Öл¹¼ÓÈëÁË["." prec]£¬ÔòÈç¹ûArgs
        µÄ³¤¶ÈÈç¹ûСÓÚ¸ø³öµÄ¾«¶ÈÊýʱ£¬ÔÚǰ±ßÌî²¹0£»Èç¹û´óÓÚ¾«¶ÈÊý£¬°´Êµ¼Ê³¤¶ ......

delphi×Ö·û´®×ª»»ÎªcharÊý×é

var
  arrChar : array [0..4] of Char;
  b : Byte;
  s : string;
begin
  s := 'Test';
  Move(Pointer(s)^, arrChar, Length(s));   //string to array of char
  ShowMessage(arrChar);
  b := Ord(s[1]);   //First byte string to one single byte ......

XP»·¾³ÏÂÔÚDelphiÖе÷ÊÔCOM+×é¼þ

ÏÖÔÚÓ¦ÓÃϵͳÁ÷ÐÐÓÃB/S¿ª·¢£¬Ô缸Äêǰ¿ÉÊÇC/SµÄÌìÏÂÄØ£¬ÎÒÏÖÔÚ×öµÄijº½¿Õ¹«Ë¾»õÔ˽áËãά»¤¹¤×÷£¬Æäϵͳ¾ÍÊÇÀûÓÃDelphi¿ª·¢µÄC/SÓ¦ÓóÌÐò£¡ÔÚÈÕ³£µÄά»¤¹¤×÷ÖУ¬ÄÑÃâÒª¶ÔÒѾ­×öºÃµÄCOM+×é¼þ½øÐе÷ÊÔ£¬ÒԲ鿴¾ßÌåµÄ´¦ÀíÂß¼­£¡±¾ÎľÍÊǽéÉÜÔÚWindowsXP»·¾³ÏÂÈçºÎÔÚDelphiÖе÷ÊÔCOM+×é¼þ£¡
µÚÒ»²½£º¼Ç¼ÏÂÄãÏ£Íûµ÷ÊÔµÄCOM+×é¼þ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ