unit Unit1; interface uses Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,Soap.EncdDecd,IdHashMessageDigest,IdSSLOpenSSL,IdSSLOpenSSLHeaders, Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, System.Hash; type TForm1 = class(TForm) Button1: TButton; Button2: TButton; Button3: TButton; Button4: TButton; procedure Button1Click(Sender: TObject); procedure Button2Click(Sender: TObject); procedure Button3Click(Sender: TObject); procedure Button4Click(Sender: TObject); private { Private declarations } public { Public declarations } end; TMD5 = class(TIdHashMessageDigest5); var Form1: TForm1; implementation {$R *.dfm} function MyFun(p: Pointer): Integer; stdcall; var i: Integer; begin for i := 0 to 500 do begin Form1.Canvas.Lock; Form1.Canvas.TextOut(10, 10, 'threadid=' + IntToStr(GetCurrentThreadId()) + ',' + IntToStr(i)); Form1.Canvas.Unlock; Sleep(10); end; Result := 0; end; procedure MyPro(); var i: Integer; begin for i := 0 to 500 do begin Form1.Canvas.Lock; Form1.Canvas.TextOut(10, 10, 'threadid=' + IntToStr(GetCurrentThreadId()) + ',' + IntToStr(i)); Form1.Canvas.Unlock; Sleep(10); end; end; procedure TForm1.Button1Click(Sender: TObject); begin ShowMessage('xxx'); MessageBox(0, 'nn', 'mmm', 0); Application.MessageBox('xxx', 'system', 0); end; procedure TForm1.Button2Click(Sender: TObject); begin // TThread.CreateAnonymousThread(MyPro).Start; end; procedure TForm1.Button3Click(Sender: TObject); var data, key: string; begin data := 'xxx'; key := 'key'; ShowMessage(THashMD5.Create.GetHashString(data)); ShowMessage(THashMD5.Create.GetHMAC(data, key)); ShowMessage(THashSHA1.Create.GetHashString(data)); ShowMessage(THashSHA1.Create.GetHMAC(data, key)); ShowMessage(THashBobJenkins.Create.GetHashString(data)); ShowMessage(THash.GetRandomString(10)); ShowMessage(THash.DigestAsString(TEncoding.UTF8.GetBytes(data))); end; procedure TForm1.Button4Click(Sender: TObject); var data, key: string; begin data:='fuck'; data:=EncodeString(data) ; ShowMessage(data); ShowMessage(DecodeString(data)); ShowMessage(TMD5.Create.HashStringAsHex(data)); end; end.