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Otentifikasi
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Pada FormUtama
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Login Multi User Buatlah tabel baru dengan nama tb_user
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Login Multi User Tambahkan komponen2 SQLDB pada form login
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Login Multi User Prosedur FormCreate pada form login
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Modifikasi Prosedur LoginClick pada form login
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procedure TFormLogin.btnLoginClick(Sender: TObject); var passcode:string; begin SQLQuery1.Active:=FALSE; SQLQuery1.SQL.Clear; SQLQuery1.SQL.Add('SELECT * FROM tb_user where username="' +eUser.text+'"'); SQLQuery1.Active:=TRUE; passcode:=SQLQuery1.FieldByName('password').AsString; if(ePass.Text = passcode) then FormLogin.hide; FormUtama.show; end else MessageDlg('Salah!!', mtWarning,[mbOK],0); exit; end;
![procedure TFormLogin.btnLoginClick(Sender: TObject); var passcode:string; begin SQLQuery1.Active:=FALSE; SQLQuery1.SQL.Clear; SQLQuery1.SQL.Add( SELECT * FROM tb_user where username= +eUser.text+ ); SQLQuery1.Active:=TRUE; passcode:=SQLQuery1.FieldByName( password ).AsString; if(ePass.Text = passcode) then FormLogin.hide; FormUtama.show; end else MessageDlg( Salah!! , mtWarning,[mbOK],0); exit; end;](http://slideplayer.info/slide/3058240/11/images/8/procedure+TFormLogin.btnLoginClick%28Sender%3A+TObject%29%3B+var+passcode%3Astring%3B+begin+SQLQuery1.Active%3A%3DFALSE%3B+SQLQuery1.SQL.Clear%3B+SQLQuery1.SQL.Add%28+SELECT+%2A+FROM+tb_user+where+username%3D+%2BeUser.text%2B+%29%3B+SQLQuery1.Active%3A%3DTRUE%3B+passcode%3A%3DSQLQuery1.FieldByName%28+password+%29.AsString%3B+if%28ePass.Text+%3D+passcode%29+then+FormLogin.hide%3B+FormUtama.show%3B+end+else+MessageDlg%28+Salah%21%21+%2C+mtWarning%2C%5BmbOK%5D%2C0%29%3B+exit%3B+end%3B.jpg "procedure TFormLogin.btnLoginClick(Sender: TObject); var passcode:string; begin SQLQuery1.Active:=FALSE; SQLQuery1.SQL.Clear; SQLQuery1.SQL.Add( SELECT * FROM tb_user where username= +eUser.text+ ); SQLQuery1.Active:=TRUE; passcode:=SQLQuery1.FieldByName( password ).AsString; if(ePass.Text = passcode) then FormLogin.hide; FormUtama.show; end else MessageDlg( Salah!! , mtWarning,[mbOK],0); exit; end;")
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Login menggunakan enkripsi MD5
Buatlah user dan password baru dengan query : Password akan terenkripsi menggunakan algoritma md5:
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Login menggunakan enkripsi MD5
Modifikasi skrip sebelumnya pada bagian yang ditandai berikut : NB. Uses md5;
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