异常：
jxl.read.biff.BiffException: Unable to recognize OLE stream
at jxl.read.biff.CompoundFile.<init>(CompoundFile.java:116)
at jxl.read.biff.File.<init>(File.java:127)
at jxl.Workbook.getWorkbook(Workbook.java:221)
at jxl.Workbook.getWorkbook(Workbook.java:198)
at Excel.TestExcel.main(TestExcel.java:17)
excel版本问题，尝试解决办法：
1、把文件另存为即可读取（已测试）
2、新建excel文件
http://wenda.haosou.com/q/1364935930062526