需要明白的:
操作excel方式有两种: JXL 2. POI
导入时,JXL不能读取高版本的Excel(07以上),POI更具兼容性。
poi解析Excel文件时有两种格式:
HSSFWorkbook格式用来解析Excel2003(xls)的文件
XSSFWorkbook格式用来解析Excel2007(xlsx)的文件
如果用HSSFWorkbook解析Excel2007(xlsx)时就会报异常:“The supplied data appears to be in the Office 2007+ XML. You are calling the part of POI that deals with OLE2 Office Documents. You need to call a different part of POI to process this data (eg XSSF instead of HSSF)”