require_once './Classes/PHPExcel/IOFactory.php';  $filePath = './Template.xlsx';  //读取文件  if (!file_exists($filePath)) {     exit("you dont have ");  }  $objPHPExcel = PHPExcel_IOFactory::load($filePath);  $sheet = $objPHPExcel->getSheet(0); // 读取第一工作表  $highestColumm = $sheet->getHighestColumn(); // 取得总列数  $highestRow = $sheet->getHighestRow(); // 取得总行数  /** 循环读取每个单元格的数据 */  $i = 2;  foreach ($list as $key => $value) {      $objPHPExcel->setActiveSheetIndex(0)            ->setCellValue('Z'.$i, $value['demo'])            ->setCellValue('AA'.$i, $value['demo']);      $i++;  }  $objPHPExcel->getActiveSheet()->setTitle('Simple');  $objPHPExcel->setActiveSheetIndex(0);  /** 输出到指定目录 */  $objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel2007');  $objWriter->save('simple.xlsx');//文件保存路径  /** 输出到浏览器直接下载打开 */  $file_name = 'batchTemplate.xlsx';  header('Content-Type:application/vnd.ms-excel'); //指定下载文件类型  header('Content-Disposition: attachment; filename="'.$file_name.'"'); //指定下载文件的描述  header('Content-Length:'.filesize($input_file)); //指定下载文件的大小  /** 将文件内容读取出来并直接输出，以便下载 */  readfile($input_file);