안녕하세요... 엑셀을 어찌어찌 했는데 ...또 다른문제가.. 다들 어디다 넣고 사용하세요 저는

controller 에

function list(){
     $this->load->model('list_model');
       ...

     if ($mode){ 
        $this->load->library('phpexcel');
        $this->load->library('PHPExcel/IOFactory');
        $objPHPExcel = new PHPExcel();
        header("Content-type: application/vnd.ms-excel"); 
        header("Content-type: application/vnd.ms- excel;charset=KSC5601" ); 
        header("Content-Disposition: attachment;   filename=List[".date("Y-m-d")."].xls"); 
        header("Content-Description: PHP5 Generated Data" ); 
        $objPHPExcel->getProperties()->setTitle("title")
              ->setDescription("description");
        // Assign cell values
        $objPHPExcel->setActiveSheetIndex(0);
        $objPHPExcel->getActiveSheet()->setCellValue('A1', 'cell value here');
        $objWriter = IOFactory::createWriter($objPHPExcel, 'Excel5');
        $objWriter->save("nameoffile.xls"); 
}
   $this->load->view('header');
   $this->load->view('list',$data);
   $this->load->view('footer');

}