unit1.pas

来自「Delphi的函数例子」· PAS 代码 · 共 48 行

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls,StrUtils;

type
  TForm1 = class(TForm)
    Edit1: TEdit;
    Button1: TButton;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
    function ChangeSellID(SellID: String): String;
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

{ TForm1 }

function TForm1.ChangeSellID(SellID: String): String;
var
  First: ShortString;
begin
  First := LeftStr(SellID,1);
  First := UpperCase(First);
  Delete(SellID,1,1);
  Insert(First,SellID,0);
  Result := SellID;

end;

procedure TForm1.Button1Click(Sender: TObject);
begin
  Edit1.Text := ChangeSellID('b20040501');
end;

end.