Include(a,St[i]); Inc(m);
end;
Result:=m;
end;
Function FWrd(st: string): string;
var n,i,nst: integer;
sl,srez: string;
Begin
Result:=''; srez:=''; n:=Length(st);
if n=0 then exit;
st:=st+' '; n:=n+1; sl:='';
for i:=1 to n do
if st[i]<>' ' then sl:=sl+st[i]
Else
If sl<>'' then begin
srez:=srez+' '+sl+'-'+IntTostr(Krz(sl)); sl:='';
end;
Result:=srez;
end; // FWrd
procedure TForm1.FormCreate(Sender: TObject);
Begin
Edit1.Clear; Edit2.Clear;
end;
procedure TForm1.Edit1KeyPress(Sender: TObject; var Key: Char);
Begin
if Key = #13 then Edit2.Text:=FWrd(Edit1.Text);
end;
End.
7.6.
. TEdit. Enter. .
1. , , . .
2. , . , .
3. , . , .
4. , . , .
5. , , . .
6. , , . .
7. , . . .
8. , . . .
9. , . . .
10. , , . .
11. , . ,
12. , , . , k - ( k - , ), .
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13. , , . , k - ( k - , , k -).
14. , , . .
15. , , . .
8.
: TOpenDialog TSaveDialog. . .
8.1.
, , . , :
Type TStudent = record //
Fio:string[30]; // ...
Group:integer; // .
Ocn: array [1..3] of integer; //
end;
Var Student: TStudent; //
, , :
Student.Fio:= ..; //
Student.Group:=720603;
with:
With Student do begin
Fio:= ..;
Group:=720603;
end;
8.2.
. Object Pascal : , .
, . DELPHI ( pas). : Var F: TextFile;.
, . . , , . : Var F: TStudent;.
, . : Var F: File;.
:
...
AssignFile (Fl, Filenam1.txt); //
AssignFile (Fw, Filenam2.txt); //
Rewrite (Fl); // Fl
Reset (Fw);) // Fw
...
Write (Fl, Stud); // Fl
Read (Fw, Stud); // Fw
...
CloseFile (Fl); // Fl
CloseFile (Fw); // Fw
8.3.
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AssignFile(var F; FileName: string) - F FileName.
Reset(var F[: File; RecSize: word] ) - . RecSize .
Rewrite(var F[: File; RecSize: word]) - .
Append(var F: TextFile ) - .
Read(F,v1[,v2,vn]) - .
Write(F,v1[,v2,vn]) - .
CloseFile(F) - .
Rename(var F; NewName: string ) - .
Erase(var F) - .
Seek(var F; NumRec: Longint) - NumRec.
SetTextBuf(var F: TextFile; var Buf[;Size: word]) - - Size.
Flush(var F: TextFile ) - -.
Truncate(var F) - , .
IoResult: integer - -.
FilePos(var F): longint - . .
FileSize(var F): longint - .
Eoln(var F: TextFile): boolean - True, .
Eof(var F)): boolean - True, .
SeekEoln(var F: TextFile): boolean True, , .
SeekEof(var F: TextFile): boolean - , SeekEoln, .
BlockRead(var F: File; var Buf; Count: word[; Result: word]), BlockWrite(var F: File; var Buf; Count: word[; Result: word]) - Buf Count .
8.4. TOpenDialog TSaveDialog
TOpenDialog TSaveDialog DIALOGS. , .. . . . , . a FileName. , , Filter, , , , DefaultExt. , Title.
8.5.
: , , . , , . , TMemo, .
8.5.1. TOpenDialog TSaveDialog
TOpenDialog TSaveDialog , Dialogs 
. . , Filter . Filter Editor, , , . OpenDialod1 . 8.1. *.dat , dat, *.* - ( ).
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. 8.1.
, dat, DefaultExt .dat. SaveDialog1 ( txt).
. 8.2.
8.5.2.
. . , , . . . 8.2. , . Close 
.
8.1.
8.1.
unit unit8;
Interface
uses Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, Buttons, ExtCtrls;
Type
TForm1 = class (TForm)
Edit1: TEdit;
Edit2: TEdit;
Edit3: TEdit;
Edit4: TEdit;
Label1: TLabel;
Label2: TLabel;
Label3: TLabel;
Label4: TLabel;
Label5: TLabel;
Memo1: TMemo;
Button1: TButton;
Button3: TButton;
Splitter1: TSplitter;
Button5: TButton;
BitBtn1: TBitBtn;
SaveDialog1: TSaveDialog;
Button2: TButton;
OpenDialog1: TOpenDialog;
Button4: TButton;
procedure FormCreate(Sender: TObject);
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
procedure Button3Click(Sender: TObject);
procedure Button4Click(Sender: TObject);
procedure Button5Click(Sender: TObject);
procedure BitBtn1Click(Sender: TObject);
private { Private declarations }
public { Public declarations }
end;
Type
TStudent = record
FIO: string[40]; // ...
otc: array[1..3] of word; //
sball: extended; //
end;
Var
Fz: file of Tstudent; //
Ft: TextFile; //
Stud: array[1..100] of Tstudent; //
nzap: integer; //
FileNameZ, FileNameT: string; //
Var
Form1: TForm1;
Implementation
{$R *.DFM}
procedure TForm1.FormCreate(Sender: TObject);
Begin
Edit1.Clear; Edit2.Clear; Edit3.Clear; Edit4.Clear;
Memo1.Clear;
Button1.Hide; //
nzap:=0;
end;
procedure TForm1.Button1Click(Sender: TObject); //
Begin
nzap:=nzap+1;
with stud[nzap] do begin
FIO:=Edit1.Text;
otc[1]:=StrToInt(Edit2.Text);
otc[2]:=StrToInt(Edit3.Text);
otc[3]:=StrToInt(Edit4.Text);
sball:=(otc[1]+otc[2]+otc[3])/3;
Memo1.Lines.Add(fio+ +IntToStr(otc[1])+ + IntToStr(otc[2])+
+IntToStr(otc[3]));
end;
Write(fz,Stud[nzap]); //
Edit1.Clear; Edit2.Clear; Edit3.Clear; Edit4.Clear;
end;
procedure TForm1.Button2Click(Sender: TObject); //
begin //
OpenDialog1.Title:= ; //
//
if OpenDialog1.Execute then //
begin //
FileNameZ:= OpenDialog1.FileName; //
//
AssignFile(Fz, FileNameZ); // Fz
// c
Rewrite(Fz); //
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end;
Button1.Show; //
end;
procedure TForm1.Button3Click(Sender: TObject); //
begin //
if OpenDialog1.Execute then //
begin //
FileNameZ:= OpenDialog1.FileName; //
AssignFile(Fz, FileNameZ); // Fz
// c
Reset(Fz); //
end;
nzap:=0;
while not eof(fz) do begin
nzap:=nzap+1;
Read(fz,stud[nzap]); //
with stud[nzap] do
Memo1.Lines.Add(fio+ +IntToStr(otc[1])+ +IntToStr(otc[2])+
+IntToStr(otc[3]));
end;
Button1.Show; //
end;
procedure TForm1.Button4Click(Sender: TObject); //
var i,j: word;
st: TStudent;
Begin
for i:=1 to nzap-1 do //
for j:=i+1 to nzap do
