controller

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');

class Laporan extends CI_Controller {

public function __construct()
	{
		parent::__construct();
		$this->load->model("penjualan_model");

	}

	public function index()
	{
    		$this->load->view('admin/laporan/laporan');
	}


	}


//for print
		public function submit ()
		{
			if(isset($_POST['cetak']))
			{

					$data['the_content']='mPDF and CodeIgniter are cool!';
					$data['data'] = $this->penjualan_model->cetak();
					$html=$this->load->view('admin/laporan/cetak_laporan', $data, true);
					$pdfFilePath = "Laporan Penjualan.pdf";
					$this->load->library('m_pdf');
					$pdf = $this->m_pdf->load();

					$pdf->WriteHTML($html);

					$pdf->Output();

			}
		else if (isset($_POST['cari']))
		{
			    $data['data'] = $this->penjualan_model->cetak();
				$this->load->view('admin/laporan/cari_laporan', $data);

		}
}
}