Java--Excel操作

public static List<Info> readXml(String fileName, Map<String, Fuck> pcMap) throws Exception{  
        boolean isE2007 = false;    //判断是否是excel2007格式  
        if(fileName.endsWith("xlsx"))  
            isE2007 = true;  
        try {  
            InputStream input = new FileInputStream(fileName);  //建立输入流  
            Workbook wb  = null;  
            //根据文件格式(2003或者2007)来初始化  
            if(isE2007) {
                wb = new XSSFWorkbook(input);  
            } else {
                wb = new HSSFWorkbook(input);  
            }
            Sheet sheet = wb.getSheetAt(0);     //获得第一个表单  
            Iterator<Row> rows = sheet.rowIterator(); //获得第一个表单的迭代器  
            
            
            //初始化列标
            Map<String, Integer> map = new HashMap<String, Integer>();
            if(rows.hasNext()) {
                Row row = rows.next();
                Iterator<Cell> cells = row.cellIterator();
                int i = 0;
                while(cells.hasNext()) {
                    Cell cell = cells.next();
                    if(map.containsKey(cell.toString())) {
                        continue ;
                    }
                    map.put(cell.toString(), i++);
                }
            }
//            for(Map.Entry<String, Integer> set : map.entrySet()) {
//                System.out.println(set.getKey() + " " + set.getValue());
//            }
            
            
            //取数据
            List<Info> dataList = new ArrayList<Info>();
            while (rows.hasNext()) {  
                Row row = rows.next();  //获得行数据  
//                System.out.println("Row #" + row.getRowNum());  //获得行号从0开始  
                Iterator<Cell> cells = row.cellIterator();    //获得第一行的迭代器  

                String msg = "";
                if(cells.hasNext()) {
                    Cell cell = cells.next();
                    cell.setCellType(Cell.CELL_TYPE_STRING);
                    Info info = new Info();
                    
                    Cell org_noCell = row.getCell(map.get("美国编号"));
                    org_noCell.setCellType(Cell.CELL_TYPE_STRING);
                    info.setOrg_no(org_noCell.toString());
                    
                    Cell org_nameCell = row.getCell(map.get("餐厅名字"));
                    org_nameCell.setCellType(Cell.CELL_TYPE_STRING);
                    info.setOrg_name(org_nameCell.toString());
                    
                    Cell szcsCell = row.getCell(map.get("城市"));
                    szcsCell.setCellType(Cell.CELL_TYPE_STRING);
                    info.setSzcs(szcsCell.toString());
                    
                    Cell addrCell = row.getCell(map.get("地址"));
                    addrCell.setCellType(Cell.CELL_TYPE_STRING);
                    info.setAddr(addrCell.toString());
                    
                    Cell telCell = row.getCell(map.get("电话"));
                    telCell.setCellType(Cell.CELL_TYPE_STRING);
                    info.setTel(telCell.toString());
                    
                    Cell taxcodeCell = row.getCell(map.get("对应纳税号"));
                    taxcodeCell.setCellType(Cell.CELL_TYPE_STRING);
                    info.setTaxcode(taxcodeCell.toString());
                    
                    msg = org_noCell.toString() + org_nameCell + szcsCell + addrCell + telCell + taxcodeCell;
                    if("".equals(msg.trim())) {
                        continue ;
                    }
                    if(info != null) {
                        if(pcMap.containsKey(taxcodeCell.toString())) {
                            Fuck fuck = pcMap.get(taxcodeCell.toString());
                            info.setPayee(info.getOrg_no());
                            info.setChecker(fuck.getChecker());
                        }
                        dataList.add(info);
                    }
                }
            }
            return dataList;
        } catch (IOException ex) {  
            ex.printStackTrace();  
            throw new Exception("请参考模板并选择正确的文件！");
        }
    }