Codeigniter ออกรายงานเป็น Excel 2007 โดยให้ขึ้น Popup เพื่อเลือกพาธสำหรับเก็บไฟล์ ครับ

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

class Test extends CI_Controller{
	
	function index(){
		/**
		 * PHPExcel
		 *
		 * Copyright (C) 2006 - 2010 PHPExcel
		 *
		 * This library is free software; you can redistribute it and/or
		 * modify it under the terms of the GNU Lesser General Public
		 * License as published by the Free Software Foundation; either
		 * version 2.1 of the License, or (at your option) any later version.
		 *
		 * This library is distributed in the hope that it will be useful,
		 * but WITHOUT ANY WARRANTY; without even the implied warranty of
		 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
		 * Lesser General Public License for more details.
		 *
		 * You should have received a copy of the GNU Lesser General Public
		 * License along with this library; if not, write to the Free Software
		 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
		 *
		 * @category   PHPExcel
		 * @package    PHPExcel
		 * @copyright  Copyright (c) 2006 - 2010 PHPExcel (http://www.codeplex.com/PHPExcel)
		 * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL
		 * @version    1.7.5, 2010-12-10
		 */
		
		/** Error reporting */
		error_reporting(E_ALL);
		
		date_default_timezone_set('Europe/London');
		
		/** PHPExcel */
		require_once APPPATH.'libraries/PHPExcel/PHPExcel.php';
		
		
		// Create new PHPExcel object
		$objPHPExcel = new PHPExcel();
		
		// Set properties
		$objPHPExcel->getProperties()->setCreator("Maarten Balliauw")
									 ->setLastModifiedBy("Maarten Balliauw")
									 ->setTitle("Office 2007 XLSX Test Document")
									 ->setSubject("Office 2007 XLSX Test Document")
									 ->setDescription("Test document for Office 2007 XLSX, generated using PHP classes.")
									 ->setKeywords("office 2007 openxml php")
									 ->setCategory("Test result file");
		
		
		// Add some data
		$objPHPExcel->setActiveSheetIndex(0)
					->setCellValue('A1', 'Hello')
					->setCellValue('B2', 'world!')
					->setCellValue('C1', 'Hello')
					->setCellValue('D2', 'world!');
		
		// Miscellaneous glyphs, UTF-8
		$objPHPExcel->setActiveSheetIndex(0)
					->setCellValue('A4', 'Miscellaneous glyphs')
					->setCellValue('A5', 'éàèùâêîôûëïüÿäöüç');
		
		// Rename sheet
		$objPHPExcel->getActiveSheet()->setTitle('Simple');
		
		
		// Set active sheet index to the first sheet, so Excel opens this as the first sheet
		$objPHPExcel->setActiveSheetIndex(0);
		
		
		// Redirect output to a client’s web browser (Excel2007)
		header('Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');
		header('Content-Disposition: attachment;filename="01simple.xlsx"');
		header('Cache-Control: max-age=0');
		
		$objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel2007');
		$objWriter->save('php://output');
		exit;

	}

}

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

class Test extends CI_Controller{
	
	function index(){
		/**
		 * PHPExcel
		 *
		 * Copyright (C) 2006 - 2010 PHPExcel
		 *
		 * This library is free software; you can redistribute it and/or
		 * modify it under the terms of the GNU Lesser General Public
		 * License as published by the Free Software Foundation; either
		 * version 2.1 of the License, or (at your option) any later version.
		 *
		 * This library is distributed in the hope that it will be useful,
		 * but WITHOUT ANY WARRANTY; without even the implied warranty of
		 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
		 * Lesser General Public License for more details.
		 *
		 * You should have received a copy of the GNU Lesser General Public
		 * License along with this library; if not, write to the Free Software
		 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
		 *
		 * @category   PHPExcel
		 * @package    PHPExcel
		 * @copyright  Copyright (c) 2006 - 2010 PHPExcel (http://www.codeplex.com/PHPExcel)
		 * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL
		 * @version    1.7.5, 2010-12-10
		 */
		
		/** Error reporting */
		error_reporting(E_ALL);
		
		date_default_timezone_set('Europe/London');
		
		/** PHPExcel */
		require_once APPPATH.'libraries/PHPExcel/PHPExcel.php';
		
		
		// Create new PHPExcel object
		$objPHPExcel = new PHPExcel();
		
		// Set properties
		$objPHPExcel->getProperties()->setCreator("Maarten Balliauw")
									 ->setLastModifiedBy("Maarten Balliauw")
									 ->setTitle("Office 2007 XLSX Test Document")
									 ->setSubject("Office 2007 XLSX Test Document")
									 ->setDescription("Test document for Office 2007 XLSX, generated using PHP classes.")
									 ->setKeywords("office 2007 openxml php")
									 ->setCategory("Test result file");
		
		
		// Add some data
		$objPHPExcel->setActiveSheetIndex(0)
					->setCellValue('A1', 'Hello')
					->setCellValue('B2', 'world!')
					->setCellValue('C1', 'Hello')
					->setCellValue('D2', 'world!');
		
		// Miscellaneous glyphs, UTF-8
		$objPHPExcel->setActiveSheetIndex(0)
					->setCellValue('A4', 'Miscellaneous glyphs')
					->setCellValue('A5', 'éàèùâêîôûëïüÿäöüç');
		
		// Rename sheet
		$objPHPExcel->getActiveSheet()->setTitle('Simple');
		
		
		// Set active sheet index to the first sheet, so Excel opens this as the first sheet
		$objPHPExcel->setActiveSheetIndex(0);
			
		$objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel2007');
		$objWriter->save('sample.xlsx'); 
		exit;

	}

}