java导出异常NotOfficeXmlFileException

Question

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

Answer 1

http://blog.csdn.net/hmh123123hmh/article/details/46609287