java读取excel文件并返回list结果集

/**
 * 用于读取excel
 * @author HUA
 *<span style="font-family: Arial, Helvetica, sans-serif;">count 为excel中的子文档号</span>
 */
public class excelload{
    public static List<Map<String,Object>> loadExcel(String filepath,int count){
        //创建Excel工作簿文件的引用
        XSSFWorkbook wookbook=null;
        try{
            wookbook = new XSSFWorkbook(new FileInputStream(filepath));//根据路劲创建引用
        }catch(FileNotFoundException e){
            // TODO Auto-generated catch block
            e.printStackTrace();
        }catch(IOException e){
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        //在excel文档中，第一个工作表的缺省索引是0
        XSSFSheet sheet=wookbook.getSheetAt(count);
        //获取到excel文件中的所有行数
        int rows = sheet.getPhysicalNumberOfRows();
        int shengchanstart=0;
        List<Map<String,Object>> li = new ArrayList<Map<String,Object>>();
        boolean boo =false;
        for(int i=1;i<rows;i++){
            XSSFRow row = sheet.getRow(i);
           
            if(row!=null){
                //获取文件中的所有列
                int cells = row.getPhysicalNumberOfCells();
                String value="";
                //遍历列
                if(!boo){
                   aa: for(int j=0;j<cells;j++){
                       
                        XSSFCell cell = row.getCell((short)j);
                        
                        if(cell!=null){
                            switch(cell.getCellType()){
                                case XSSFCell.CELL_TYPE_FORMULA:
                                    System.out.println(cell.getCellFormula() + "=====================");;
                                    break;
                                   case XSSFCell.CELL_TYPE_NUMERIC:
                                    value += cell.getNumericCellValue() + ",";
                                    break;
                                   case XSSFCell.CELL_TYPE_STRING:
                                       if("表名".equals(cell.getStringCellValue())){
                                           boo=true;
                                           break aa;
                                       }
                                    value += cell.getStringCellValue() + ",";
                                   default:
                                    value += "";
                                    break;
                            }
                        }
                       }
                    }else{
                        XSSFCell cell = row.getCell((short)1);
                        Map<String,Object> map = new HashMap<String, Object>();
                        if(!"".equals(cell.getStringCellValue())){
                            String tablename=getMergedRegionValue(sheet,i);
                            map.put("table",tablename);
                            map.put("fieldname",row.getCell((short)(shengchanstart+2)).getStringCellValue());
                            map.put("desc",row.getCell((short)(shengchanstart+1)).getStringCellValue());
                            System.out.println(tablename+"**********");
                            li.add(map);
                        }
                        //System.out.println(i+"**********");
                    }
                }
        }
        System.out.println(li);
        return li;
    }
 /**
 * 用于读取excel
 * @author HUA
 *<span style="