unit1.pas

文字实现加解密的delphi源码

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, Buttons, StdCtrls, ComCtrls, ExtCtrls, Menus;

type
  TForm1 = class(TForm)
    Panel1: TPanel;
    Panel2: TPanel;
    SpeedButton1: TSpeedButton;
    SpeedButton2: TSpeedButton;
    SpeedButton3: TSpeedButton;
    SpeedButton4: TSpeedButton;
    Edit1: TEdit;
    TrackBar1: TTrackBar;
    RichEdit1: TRichEdit;
    RichEdit2: TRichEdit;
    Splitter1: TSplitter;
    MainMenu1: TMainMenu;
    N1: TMenuItem;
    N2: TMenuItem;
    N3: TMenuItem;
    N4: TMenuItem;
    N5: TMenuItem;
    N6: TMenuItem;
    OpenDialog1: TOpenDialog;
    SaveDialog1: TSaveDialog;
    FontDialog1: TFontDialog;
    ColorDialog1: TColorDialog;
    StatusBar1: TStatusBar;
    procedure SpeedButton1Click(Sender: TObject);
    procedure TrackBar1Change(Sender: TObject);
    procedure SpeedButton2Click(Sender: TObject);
    procedure SpeedButton3Click(Sender: TObject);
    procedure N2Click(Sender: TObject);
    procedure SpeedButton4Click(Sender: TObject);
    procedure N5Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.SpeedButton1Click(Sender: TObject);
var
i:integer;
str ,mystr:string;
begin
 for i:=0 to length(RichEdit1.text)-1 do
 begin
 str:=RichEdit1.text;
 if inttostr(ord(str[i+1]))='13' then mystr:=mystr+#13#10
 else
 if inttostr(ord(str[i+1]))<>'10' then mystr:=mystr+chr(ord(str[i+1])+strtoint(edit1.text));
 end;
  RichEdit2.text:=mystr;
 // RichEdit1.Clear;
end;

procedure TForm1.TrackBar1Change(Sender: TObject);
begin
   RichEdit2.Font.Size:= TrackBar1.Position;
   RichEdit1.Font.Size:= TrackBar1.Position;
end;

procedure TForm1.SpeedButton2Click(Sender: TObject);
var
i:integer;
str ,mystr:string;
begin
 for i:=0 to length(RichEdit2.text)-1 do
 begin
 str:=RichEdit2.text;
 if inttostr(ord(str[i+1]))='13' then mystr:=mystr+#13#10
 else
 if inttostr(ord(str[i+1]))<>'10' then mystr:=mystr+chr(ord(str[i+1])-strtoint(edit1.text));
 end;
  RichEdit1.text:=mystr;
end;

procedure TForm1.SpeedButton3Click(Sender: TObject);
begin
edit1.Text:=inputbox('密码设置','请输入密码','5');
end;

procedure TForm1.N2Click(Sender: TObject);
begin
if OpenDialog1.Execute then  RichEdit1.Lines.LoadFromFile(OpenDialog1.FileName);
end;

procedure TForm1.SpeedButton4Click(Sender: TObject);
begin
close;
end;

procedure TForm1.N5Click(Sender: TObject);
begin
if FontDialog1.Execute then
begin
RichEdit1.Font.Name:=FontDialog1.Font.Name;
RichEdit1.Font.Color:=FontDialog1.Font.Color;
RichEdit1.Font.Size:=FontDialog1.Font.Size;
RichEdit1.Font.Style:=FontDialog1.Font.Style;
RichEdit2.Font.Name:=FontDialog1.Font.Name;
RichEdit2.Font.Color:=FontDialog1.Font.Color;
RichEdit2.Font.Size:=FontDialog1.Font.Size;
RichEdit2.Font.Style:=FontDialog1.Font.Style;
end;
end;

end.