java 读取excel

public void GetExcelInfos(){
  Workbook rwb = null;
  try {
    rwb = Workbook.getWorkbook(new File("D:/country.xls"));
   //获得工作薄的个数
            rwb.getNumberOfSheets();
            //在Excel文档中，第一张工作表的缺省索引是0
            Sheet st = rwb.getSheet(0);
            //通用的获取cell值的方式,getCell(int column, int row) 行和列
            int rows=st.getRows();
            int cols=st.getColumns();
            System.out.println("当前工作表的名字:"+st.getName());
            System.out.println("总行数:"+rows);
            System.out.println("总列数:"+cols);
            for(int i=0 ; i < rows ; i ++){
                Cell c1=st.getCell(0,i);
                Cell c2=st.getCell(1,i);
                Cell c3=st.getCell(2,i);
                System.out.println("ID: "+c1.getContents()+"  EnglishName: "+c2.getContents()+"   Cname: "+c3.getContents());
                }

  } catch (BiffException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  } catch (IOException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  }finally{
   rwb.close();
  }
 }