导出时
执行 XSSFWorkbook workBook=new XSSFWorkbook(fis);
报错org.apache.poi.openxml4j.exceptions.NotOfficeXmlFileException: No valid entries or contents found, this is not
a valid OOXML (Office Open XML) file
请问如何解决
http://blog.csdn.net/hmh123123hmh/article/details/46609287
其实是文档在SVN下下来加密了。。。。