php excel文件加密

php require 'PHPExcel.php'; $objPHPExcel = new PHPExcel(); $objPHPExcel->setActiveSheetIndex(0) ->setCellValue('A1', '姓名') ->setCellValue('B1', '年龄') ->setCellValue('A2', '张三') ->setCellValue('B2', 25); $objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel2007'); $objWriter->save('example.xlsx');