读取以下两种格式的Excel : *.xls and *.xlsx 用Apache POI API来实现,需要用到 HSSF 和 XSSF 的类库 HSSF is the POI Project's pure Java implementation of the Excel '97(-2007) (.xls) file format. XSSF is the POI Project's pure Java implementation of the Excel 2007 OOXML (.xls…