//无限进制转换:一位高人的程序
//pas
unit DigitUnit;
interface
uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
StdCtrls, Spin;
type
TForm1 = class(TForm)
Button1: TButton;
Edit1: TEdit;
Edit2: TEdit;
Button2: TButton;
SpinEdit1: TSpinEdit;
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
{$R *.DFM}
function Power(Base, Exponent: Integer): Integer;
var
I: Integer;
begin
Result := 1;
for I := 1 to Exponent do
Result := Result * Base;
end; { Power }
const
cScaleChar = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ';
function DigitToInt(mScale: Byte; mDigit: string): Integer;
var
I, L: Integer;
begin
Result := 0;
L := Length(mDigit);
for I := L downto 1 do
Result := Result + Pred(Pos(mDigit[I], cScaleChar)) * Power(mScale, L - I);
end; { DigitToInt }
function IntToDigit(mScale: Byte; mInt: Integer): string;
var
I, J: Integer;
begin
Result := '';
I := mInt;
while (I >= mScale) do begin
J := I mod mScale;
Result := Copy(cScaleChar, Succ(J), 1) + Result;
I := I div mScale;
end;
Result := Copy(cScaleChar, Succ(I), 1) + Result;
end; { IntToDigit }
procedure TForm1.Button1Click(Sender: TObject);
begin
Edit2.Text := IntToStr(DigitToInt(SpinEdit1.Value, Edit1.Text));
end;
procedure TForm1.Button2Click(Sender: TObject);
begin
Edit1.Text := IntToDigit(SpinEdit1.Value, StrToIntDef(Edit2.Text, 0));
end;
end.
//dfm
object Form1: TForm1
Left = 192
Top = 107
Width = 409
Height = 97
Caption = 'Form1'
Color = clBtnFace
Font.Charset = DEFAULT_CHARSET
Font.Color = clWindowText
Font.Height = -11
Font.Name = 'MS Sans Serif'
Font.Style = []
OldCreateOrder = False
PixelsPerInch = 96
TextHeight = 13
object Button1: TButton
Left = 184
Top = 32
Width = 75
Height = 25
Caption = 'Button1'
TabOrder = 0
OnClick = Button1Click
end
object Edit1: TEdit
Left = 136
Top = 8
Width = 121
Height = 21
TabOrder = 1
Text = 'Edit1'
end
object Edit2: TEdit
Left = 272
Top = 8
Width = 121
Height = 21
TabOrder = 2
Text = 'Edit2'
end
object Button2: TButton
Left = 272
Top = 32
Width = 75
Height = 25
Caption = 'Button2'
TabOrder = 3
OnClick = Button2Click
end
object SpinEdit1: TSpinEdit
Left = 8
Top = 8
Width = 121
Height = 22
MaxValue = 255
MinValue = 2
TabOrder = 4
Value = 0
end
end
//pas
unit DigitUnit;
interface
uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
StdCtrls, Spin;
type
TForm1 = class(TForm)
Button1: TButton;
Edit1: TEdit;
Edit2: TEdit;
Button2: TButton;
SpinEdit1: TSpinEdit;
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
{$R *.DFM}
function Power(Base, Exponent: Integer): Integer;
var
I: Integer;
begin
Result := 1;
for I := 1 to Exponent do
Result := Result * Base;
end; { Power }
const
cScaleChar = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ';
function DigitToInt(mScale: Byte; mDigit: string): Integer;
var
I, L: Integer;
begin
Result := 0;
L := Length(mDigit);
for I := L downto 1 do
Result := Result + Pred(Pos(mDigit[I], cScaleChar)) * Power(mScale, L - I);
end; { DigitToInt }
function IntToDigit(mScale: Byte; mInt: Integer): string;
var
I, J: Integer;
begin
Result := '';
I := mInt;
while (I >= mScale) do begin
J := I mod mScale;
Result := Copy(cScaleChar, Succ(J), 1) + Result;
I := I div mScale;
end;
Result := Copy(cScaleChar, Succ(I), 1) + Result;
end; { IntToDigit }
procedure TForm1.Button1Click(Sender: TObject);
begin
Edit2.Text := IntToStr(DigitToInt(SpinEdit1.Value, Edit1.Text));
end;
procedure TForm1.Button2Click(Sender: TObject);
begin
Edit1.Text := IntToDigit(SpinEdit1.Value, StrToIntDef(Edit2.Text, 0));
end;
end.
//dfm
object Form1: TForm1
Left = 192
Top = 107
Width = 409
Height = 97
Caption = 'Form1'
Color = clBtnFace
Font.Charset = DEFAULT_CHARSET
Font.Color = clWindowText
Font.Height = -11
Font.Name = 'MS Sans Serif'
Font.Style = []
OldCreateOrder = False
PixelsPerInch = 96
TextHeight = 13
object Button1: TButton
Left = 184
Top = 32
Width = 75
Height = 25
Caption = 'Button1'
TabOrder = 0
OnClick = Button1Click
end
object Edit1: TEdit
Left = 136
Top = 8
Width = 121
Height = 21
TabOrder = 1
Text = 'Edit1'
end
object Edit2: TEdit
Left = 272
Top = 8
Width = 121
Height = 21
TabOrder = 2
Text = 'Edit2'
end
object Button2: TButton
Left = 272
Top = 32
Width = 75
Height = 25
Caption = 'Button2'
TabOrder = 3
OnClick = Button2Click
end
object SpinEdit1: TSpinEdit
Left = 8
Top = 8
Width = 121
Height = 22
MaxValue = 255
MinValue = 2
TabOrder = 4
Value = 0
end
end
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