[CodeIgniter]CSV匯出下載

    controllers 程式
   
    public function csv()
    {
   
     $this->load->helper('download');   //下載函數
     $this->load->dbutil();               
     $sql = "SELECT * FROM class_item order by class_item_sort";
     $query =$this->sql_base->sql_result($sql);
     $content=$this->dbutil->csv_from_result($query);
     $name = 'test.csv';
     force_download($name,iconv("UTF-8","Big5",$content));
    }