源码如下:
unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;
type
TForm1 = class(TForm)
lbl1: TLabel;
lbl2: TLabel;
lbl3: TLabel;
lbl4: TLabel;
lbl5: TLabel;
lbl6: TLabel;
edt_A: TEdit;
edt_B: TEdit;
edt_C: TEdit;
edt_D: TEdit;
edt_t0: TEdit;
edt_t: TEdit;
btnMCPH: TButton;
procedure btnMCPHClick(Sender: TObject); //该按钮按下后计算MCPH
function tau(T0:Double;T:Double):Double; //计算tau值并返回,tau为T/T0的值
function H2(T0:Double;T:Double;B:Double):Double ; //计算MCPH的第二项值
function H3(T0:Double;T:Double;C:Double):Double ; //计算MCPH的第三项值
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
//该按钮按下后计算MCPH
procedure TForm1.btnMCPHClick(Sender: TObject);
begin
ShowMessage('111');
end;
//计算tau值并返回,tau为T/T0的值
function TForm1.tau(T0:Double;T:Double):Double;
begin
Result:=T/T0;
end;
//计算MCPH的第二项值
function H2(T0:Double;T:Double;B:Double):Double ;
begin
Result:=(B/2)*T0*(tau(T0;T)+1) ;
end;
//计算MCPH的第三项值
function H3(T0:Double;T:Double;C:Double):Double ;
begin
Result:=(C/3)*T0*T0*(1+tau(T0;T)*(1+tau(T0;T))) ;
end;
end.
编译后报错:
[Error] Unit1.pas(57): Undeclared identifier: 'tau'
[Error] Unit1.pas(57): Undeclared identifier: 'tau'
[Error] Unit1.pas(26): Unsatisfied forward or external declaration: 'TForm1.H2'
[Error] Unit1.pas(27): Unsatisfied forward or external declaration: 'TForm1.H3'
求解救~~~~