thinkphp5集成phpexcel的导出方法

    /**
     * 直接导出需要生产的内容
     * @param $field
     * @param $list
     * @param string $title
     * @throws PHPExcel_Exception
     * @throws PHPExcel_Writer_Exception
     */
    public function phpExcelList($field, $list, $filename='文件')
    {
        vendor("PHPExcel.PHPExcel");
        $objPHPExcel = new PHPExcel();
        $objWriter = new PHPExcel_Writer_Excel5($objPHPExcel); //设置保存版本格式
        foreach ($list as $key => $value) {
            foreach ($field as $k => $v) {
                if ($key == 0) {
                    $objPHPExcel->getActiveSheet()->setCellValue($k . '1', $v[1]);
                }
                $i = $key + 2; //表格是从2开始的
                $objPHPExcel->getActiveSheet()->setCellValue($k . $i, $value[$v[0]]);
            }
        }
        header("Pragma: public");
        header("Expires: 0");
        header("Cache-Control:must-revalidate, post-check=0, pre-check=0");
        header("Content-Type:application/force-download");
        header("Content-Type:application/vnd.ms-execl");
        header("Content-Type:application/octet-stream");
        header("Content-Type:application/download");;
        header('Content-Disposition:attachment;filename='.$filename.'.xls');
        header("Content-Transfer-Encoding:binary");
        $objWriter->save('php://output');
    }
    

 //导出
    public function Output()
    {
        $data=array(
            0=>array('id'=>1,'serial_number'=>'123','batch'=>'1'),
            1=>array('id'=>2,'serial_number'=>'124','batch'=>'2'),
            2=>array('id'=>3,'serial_number'=>'125','batch'=>'3'),
        );
        $filename='序列号';
        $field = array(
            'A' => array('id', '序号'),
            'B' => array('serial_number', '序列号'),
            'C' => array('batch', '批次'),
        );
        //$this->downloadExcel($data,$title,$filename);
        $this->phpExcelList($field,$data,$filename);
            
         
    }