为什么 弹框结果是0 ？

冥界3大法王

unit Unit7;

interface

uses
  Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants,
  System.Classes, Vcl.Graphics, Vcl.Controls, Vcl.Forms, Vcl.Dialogs,
  Vcl.StdCtrls;

type
  TForm7 = class(TForm)
    Edit1: TEdit;
    Button1: TButton;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form7: TForm7;

function goushi(i: Integer):integer;  //定义公共函数

implementation

uses
  Unit8;

function goushi(i: Integer):integer;
begin
  Form7.Edit1.text := 8.toString;    //form2调运Form1的函数，如需要用到form1的组件，应注意在组件前添fORM1
end;

{$R *.dfm}

procedure TForm7.Button1Click(Sender: TObject);
begin
  Form8.Show;
end;

end.



unit Unit8;

interface

uses
  Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants,
  System.Classes, Vcl.Graphics, Vcl.Controls, Vcl.Forms, Vcl.Dialogs,
  Vcl.StdCtrls;

type
  TForm8 = class(TForm)
    Edit1: TEdit;
    Button1: TButton;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form8: TForm8;

implementation

uses
  Unit7;
{$R *.dfm}

procedure TForm8.Button1Click(Sender: TObject);
var
  i: Integer;
begin
  i := 5;
  Edit1.Text := '2';
  goushi(i);
  ShowMessage(IntToStr(goushi(i)));
end;
end.

DEATHTOUCH

[Delphi] 纯文本查看 复制代码

function goushi(i: Integer):integer;
begin
  Form7.Edit1.text := 8.toString;    //form2调运Form1的函数，如需要用到form1的组件，应注意在组件前添fORM1
end;

这里没有返回值啊，但是你下面：

[Delphi] 纯文本查看 复制代码

ShowMessage(IntToStr(goushi(i)));

当然会出问题了。
一般编译器会有警告的，没看吗这是？

axiong

，法王是在逗乐么？