mau cetak report pdf tp berdasarkan periode gimana ya kak? fw codeigniter

model.php

function cetak(){ return $this->db->get("tabel");

}

controller.php function cetakpdf(){ $this->load->model("m_progress"); $data['progress'] = $this->m_progress->cetak()->result();

$this->load->view('direktur/vcetaklaporan',$data); }