java 读取 Excel

private void initMachine() throws IwanException
{
// 开始
String filePath = new StringBuffer(Constant.ROOTPATH).append("WEB-INF/resource/machine.xls").toString();
HSSFWorkbook wb;
FileInputStream inp = null;
try {
inp = new FileInputStream(filePath);
wb = new HSSFWorkbook(new POIFSFileSystem(inp));
HSSFSheet sheet = wb.getSheetAt(0);
HSSFRow row = null;
int rowLen = sheet.getPhysicalNumberOfRows();
for(int i = 1;i < rowLen;i++){
row = sheet.getRow(i);
int id = PoiUtil.getIntValue(row.getCell((short) 0));
String name = PoiUtil.getStringValue(row.getCell((short) 1));
String img = PoiUtil.getStringValue(row.getCell((short)2));
String description = PoiUtil.getStringValue(row.getCell((short)3));
int price = PoiUtil.getIntValue(row.getCell((short) 4));
double jiaCheng = PoiUtil.getIntValue(row.getCell((short) 5));
//放入到实体类中
Machine machine = new Machine(id,name,img,description,price,jiaCheng);
machines.put(id, machine);
}
inp.close();//关闭流
//结束
} catch (Exception e) {
throw new iwan.app.exception.IwanException("TaskTemplate err:" + filePath, e);
}
}