String filePath = "D:\aaa.xlsx";
XSSFWorkbook wb = new XSSFWorkbook();
....
....
....
FileOutputStream outputStream = new FileOutputStream(filePath);
wb.write(outputStream);
outputStream.close();
我使用FileOutputStream方法生成的文件创建到了服务器端,有什么办法能在客户端上生成?求解答