/**

 * 数组转xls格式的excel文件

 * @param  array  $data      需要生成excel文件的数组

 * @param  string $filename  生成的excel文件名

 *      示例数据：

        $data = array(

            array(NULL, 2010, 2011, 2012),

            array('Q1',   12,   15,   21),

            array('Q2',   56,   73,   86),

            array('Q3',   52,   61,   69),

            array('Q4',   30,   32,    0),

           );

 */

function create_xls($data,$filename='simple.xls'){

    ini_set('max_execution_time', '0');

    Vendor('PHPExcel.PHPExcel');

    $filename=str_replace('.xls', '', $filename).'.xls';

    $phpexcel = new PHPExcel();

    $phpexcel->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");

    $phpexcel->getActiveSheet()->fromArray($data);

    $phpexcel->getActiveSheet()->setTitle('Sheet1');

    $phpexcel->setActiveSheetIndex(0);

    header('Content-Type: application/vnd.ms-excel');

    header("Content-Disposition: attachment;filename=$filename");

    header('Cache-Control: max-age=0');

    header('Cache-Control: max-age=1');

    header ('Expires: Mon, 26 Jul 1997 05:00:00 GMT'); // Date in the past

    header ('Last-Modified: '.gmdate('D, d M Y H:i:s').' GMT'); // always modified

    header ('Cache-Control: cache, must-revalidate'); // HTTP/1.1

    header ('Pragma: public'); // HTTP/1.0

    $objwriter = PHPExcel_IOFactory::createWriter($phpexcel, 'Excel5');

    $objwriter->save('php://output');

    exit;

}

$data = array(

    array(NULL, 2010, 2011, 2012),

    array('Q1',   12,   15,   21),

    array('Q2',   56,   73,   86),

    array('Q3',   52,   61,   69),

    array('Q4',   30,   32,    0),

   );

create_xls($data);