Delphi 字符串加密与解密函数

EncdDecd 单元: EncodeString、DecodeString、EncodeBase64、DecodeBase64

uses EncdDecd;

const str = '万一的 Delphi 博客';

procedure TForm1.Button1Click(Sender: TObject);

var

  strEncode,strDecode: string;

begin

  strEncode := EncodeString(str);

  strDecode := DecodeString(strEncode);

  ShowMessageFmt('%s'##'%s', [strEncode, strDecode]);

end;

procedure TForm1.Button2Click(Sender: TObject);

var

  strEncode,strDecode: string;

begin

  strEncode := EncodeBase64(BytesOf(str), Length(BytesOf(str)));

  strDecode := StringOf(DecodeBase64(strEncode));

  ShowMessageFmt('%s'##'%s', [strEncode, strDecode]);

end;