public function Adduser(){
    $data['akses']=$this->us->Get_akses('user','Akses');
            foreach($data as $key=>$r){

        }
        $data['isi']='opp/add_user';
       $this->load->view('template_ope',$data);
    }

    public function tambah_user(){
    $nik=$this->input->post('nik');
    $nama=$this->input->post('nama');
    $almt=$this->input->post('almt');
    $user=$this->input->post('user');
    $pass=$this->input->post('pass');
    $akses=$this->input->post('akses');

        $this->form_validation->set_rules('nik', 'Nik', 'required|alpha_dash|min_length[7]|max_length[7]|callback_username_check');
        $this->form_validation->set_rules('nama', 'nama', 'required');
	$this->form_validation->set_rules('almt', 'Alamat', 'required');
        $this->form_validation->set_rules('user', 'Username', 'required');
         $this->form_validation->set_rules('pass', 'Password', 'required');
 if ($this->form_validation->run() == FALSE)
	{
	$this->session->set_flashdata('msg', 'Periksa Kembali Semua Data !!!');
         redirect('operator/Adduser','refresh');".";
	    }
	else
	{
            $data_user=$this->us->lihat_user($nik);
            if ($data_user['NIK']==$nik and $data_user['username']=$user) {
                $this->session->set_flashdata('msg', 'Duplikat NIK dan username!!!');
         redirect('operator/Adduser','refresh');".";
            }
            elseif($data_user['NIK']==$nik or $data_user['username']=$user){
                 $this->session->set_flashdata('msg', 'Duplikat NIK atau username!!!');
         redirect('operator/Adduser','refresh');".";
            }
         $this->us->tambah( $nik,$nama,$almt,$user,$pass,$akses);
	$this->session->set_flashdata('msg', 'Data Berhasil Disimpan !!!');
     redirect('operator/user/','refresh');".";

	     }
    }