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delphi ¶ÁÈ¡txtÎļþ


1¡¢ ·ÅÒ»ÏÂmemo¿Ø¼þ¡¢Ò»¸öbutton¡¢opendialog
ÔÚbuttonµÄclickʼþÖÐ
if opendialog1.Execute then
memo1.Lines.LoadfromFile(opendialog1.filename);  
2¡¢Àļòµ¥µÄʰ¡
var
   Mytxt : TStringList;
begin
   MyText :=
TStringList('ÄãµÄÎı¾Îļþ¼°Â·¾¶');
 
 MyText.Free;//ʹÍêºóÒªFREEŶ
end;  
 
ÓÃÒ»¸öMemo£¬È»ºóÓÃMemo1.Lines.LoadfromFile('C:\...\*.txt');
OK!  
»¹ÓÐÒ»ÖÖ·½·¨£º
var
f:textfile;
s:string;
begin
 
assignfile(f,'·¾¶ºÍÎļþÃû.txt');
  reset(f);
  readln(f,s);
  showmessage(s);
  closefile(f);
end;


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delphi±àÂë¹æ·¶Îĵµ

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1¡¢Ç°ÑÔ 3
2¡¢Ô´³ÌÐòÊéд¹æ·¶ 3
2.1ͨÓÃÔ´´úÂë¸ñʽ¹æ·¶ 3
2.1.1Ëõ½ø 3
2.1.2±ß¾à 3
2.1.3 Begin…EndÓï¾ä 3
2.1.4×¢ÊÍ 4
2.2 OBJECT PASCALÓï¾ä¸ñʽÊéд¹æ·¶ÓëÓ÷¨ 4
2.2.1À¨ºÅ 4
2.2.2±£Áô×ֺ͹ؼü×Ö 4
2.2.3¹ý³ÌºÍº¯Êý 5
2.2.4±äÁ¿ 5
2.2.5ÀàÐÍ 6
2.2.6Óï¾ä 6
2.2.7½á¹¹» ......

delphi ×Ô¶¨ÒåÎļþ

±¾ÎÄ×ªÔØ:http://rabbitfox.blog.sohu.com/29948084.html
             http://delphi.about.com/od/fileio/a/fileof_delphi.htm
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¡¶ÀûÓÃDelphiµÄ“File Of
Type”´´½¨²¢¹ÜÀíÊôÓÚÄã×Ô¼ºµÄ“Êý¾Ý¿â”¡·
Ô­×÷Õߣ ......

¹ØÓÚdelphiÖÐitemsºÍitemindexµÄÎÊÌâ

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itemÊÇÀïÃæµÄÄÚÈÝ
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item   itemindex
A      1
B      2
C      3
listbox1.items.count¾ÍÊÇÕâ¸öÁбí¿òÀï×ܹ²ÓжàÉÙÏî. ......

DelphiÖн¨ÒéʹÓõÄÓï¾ä

DelphiÖн¨ÒéʹÓõÄÓï¾ä
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No.1   ÅжÏÂß¼­ÀàÐÍ  
  var   B:   Boolean;  
  begin  
      B   :=   Boolean(2);   //ÕâÑùÖ»ÊÇΪÁ˵÷ÊÔ//B ......

delphi TStringList Ó÷¨Ïê½â

delphi TStringList Ó÷¨Ïê½â
//TStringList ³£Ó÷½·¨ÓëÊôÐÔ
:
var
  List: TStringList;
  i: Integer;
begin
  List := TStringList.Create;
  List.Add('Strings1');           {Ìí¼Ó}
  List.Add('Strings2');
  List.Exch ......
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