delphi语法类型

怕忘记了，写在这儿！

unit Unit1;interfaceuses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls;type TForm1 = class(TForm) Button1: TButton; procedure Button1Click(Sender: TObject); private { Private declarations } public { Public declarations } end;var Form1: TForm1;implementation{$R *.dfm}procedure TForm1.Button1Click(Sender: TObject);vari,j:integer;r:real;ch:char;s:string[7];begini:=10;j:=100;r:=1.0;ch:='b';s:='1234567890';showmessage(inttostr(i)+inttostr(j));showmessage(floattostr(r));showmessage(ch);showmessage(b);end;end.