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unit Unit11;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;
type
TForm11 = class(TForm)
edt1: TEdit;
btn1: TButton;
edt2: TEdit;
btn2: TButton;
procedure btn1Click(Sender: TObject);
procedure btn2Click(Sender: TObject);
procedure FormCreate(Sender: TObject);
private
function ip2Int(const strIP: string): Int64;
function int2Ip(intIP: Int64): string;
{ Private declarations }
public
{ Public declarations }
end;
var
Form11: TForm11;
implementation
{$R *.dfm}
function TForm11.int2Ip(intIP : Int64) : string;
var
n : int64;
begin
Result := '';
n := intIP shr 24;
intIP := intIP xor (n shl 24);
Result := IntToStr(n) + '.';
n := intIP shr 16;
intIP := intIP xor (n shl 16);
Result := Result + IntToStr(n) + '.';
n := intIP shr 8;
intIP := intIP xor (n shl 8);
Result := Result + IntToStr(n) + '.';
n := intIP;
Result := Result + IntToStr(n);
end;
function TForm11.ip2Int(const strIP : string): Int64;
var
lst : TStringList;
i : integer;
begin
result := 0;
lst := TStringList.Create;
try
lst.Delimiter := '.';
lst.DelimitedText := strIP;
for i := 0 to lst.Count - 1 do
result := result + StrToInt64(lst[i]) shl (24 - i * 8);
finally
lst.Free;
end;
end;
procedure TForm11.btn1Click(Sender: TObject);
begin
edt2.Text := IntToStr(ip2Int(edt1.Text));
end;
procedure TForm11.btn2Click(Sender: TObject);
begin
edt1.Text := int2Ip(StrToInt64(edt2.Text));
end;
procedure TForm11.FormCreate(Sender: TObject);
begin
edt1.Text := '192.168.1.1';
btn1.Click;
end;
end.
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