delphi文件fileopenfileseek等的用法.docx
- 大宝&小宝个人认证 |
- 2021-04-13 发布|
- 21.9 KB|
- 8页
begin
begin
Delphi 文件 FileOpen 、 FileSeek 等的用法
Delphi 文件 FileOpen 、FileSeek 等的用法(红色字体)
2010-04-30 18:00unit Unit1;
interface uses
Windows, Messages, SysUtils, Variants, Classes,
Graphics, Controls, Forms,
Dialogs, StdCtrls, Grids;
type
TForm1 = class(TForm)
Button1: TButton;
Memo1: TMemo;
Label1: TLabel;
Edit1: TEdit;
Edit2: TEdit;
Label2: TLabel;
Button2: TButton;
Button3: TButton;
StringGrid1: TStringGrid;
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
procedure Button3Click(Sender: TObject);
end;
//定义记录类型
TRecEmp = record
//需要初始化
EmpNo: String[20];
EmpName: String[30];
end;
var
Form1: TForm1;
RecEmp: TRecEmp;
//定义一个记录类型的文件变量
FileText: file of TRecEmp;
implementation {$R *.dfm} procedure TForm1.Button1Click(Sender: TObject);
var last: LongInt;
RecEmp.Em