unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;
type
TForm1 = class(TForm)
Button1: TButton;
procedure Button1Click(Sender: TObject);
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
type
TRec = record {定义结构 TRec}
name: ShortString;
age: Word;
constructor Create(str: ShortString; w: Word); {构造函数}
end;
{ TRec 构造函数实现}
constructor TRec.Create(str: ShortString; w: Word);
begin
name := str;
age := w;
end;
//使用结构
procedure TForm1.Button1Click(Sender: TObject);
var
rec: TRec;
begin
rec.Create('李四', 81);
ShowMessage(rec.name); {李四}
end;
end.
结构的方法、属性都是在 Delphi 7 以后的版本中加入的, 非常类似与"类", 但又不如在"类"里完善;它的其他一些新特性也好像是从"类"里搬过来的, 等在"类"里面研究吧.