java POI 批量导入

/**
* 读取出filePath中的所有数据信息
* @param filePath excel文件的绝对路径
*
*/

public static void getDataFromExcel(String filePath){
        List<Map<String,Integer>> list = new ArrayList<Map<String, Integer>>();
        //判断是否为excel类型文件
        if(!filePath.endsWith(".xls")&&!filePath.endsWith(".xlsx")){
            System.out.println("文件不是excel类型");
        }
        
        FileInputStream fis =null;
        Workbook wookbook = null;
        int flag = 0;
        
        try{
            //获取一个绝对地址的流
              fis = new FileInputStream(filePath);
        }catch(Exception e){
            e.printStackTrace();
        }
       
        try{
            //2003版本的excel，用.xls结尾
            wookbook = new HSSFWorkbook(fis);//得到工作簿
             
        }catch (Exception ex){
            try{
            	fis = new FileInputStream(filePath);
                //2007版本的excel，用.xlsx结尾
                wookbook = new XSSFWorkbook(filePath);//得到工作簿
            } catch (IOException e){
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
        
        //得到一个工作表
        Sheet sheet = wookbook.getSheetAt(0);
        
        //获得表头
        Row rowHead = sheet.getRow(0);
        
      //根据不同的data放置不同的表头
        Map<Object,Integer> headMap = new HashMap<Object, Integer>();
        
        
        //判断表头是否合格  ------------------------这里看你有多少列
        if(rowHead.getPhysicalNumberOfCells() != 2){
            System.out.println("表头列数与要导入的数据库不对应");
        }
        
        try{
            //----------------这里根据你的表格有多少列
            while (flag < 2){
                Cell cell = rowHead.getCell(flag);
                if (getRightTypeCell(cell).toString().equals("姓名")){
                    headMap.put("personName", flag);
                }
                if (getRightTypeCell(cell).toString().equals("性别")){
                    headMap.put("sex", flag);
                }
                flag++;
            }
        } catch (Exception e){
            e.printStackTrace();
            System.out.println("表头不合规范，请修改后重新导入");
        }
        
        //获得数据的总行数
        int totalRowNum = sheet.getLastRowNum();
        //要获得属性
        String name = "";
        String sex = "";
        List<PiousRegister> listPious = new ArrayList<PiousRegister>();
        List<PiousInfo> listPiousInfo = new ArrayList<PiousInfo>();
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd"); 
        
        if(0 == totalRowNum){
            System.out.println("Excel内没有数据！");
        }
        
        Cell cell_1 = null,cell_2 = null;
        
       //获得所有数据
        for(int i = 1 ; i <= totalRowNum ; i++){
            //获得第i行对象
            Row row = sheet.getRow(i);
            
            try{
                cell_1 = row.getCell(headMap.get("personName"));
                cell_2 = row.getCell(headMap.get("sex"));
            } catch (Exception e){
                e.printStackTrace();
                System.out.println("获取单元格错误");
            }
            
            try{
            	if(cell_1 != null && cell_2 != null){
            		PiousRegister piousReg = new PiousRegister();
            		name = (String) getRightTypeCell(cell_1);
            		piousReg.setPersonName(name);
            		sex = (String) getRightTypeCell(cell_2);
            		piousReg.setPersonSex(sex.equals("男") ? 0 : 1);
            		System.out.println("名字："+name+",性别："+sex);
            	}
            } catch (ClassCastException e){
                e.printStackTrace();
                System.out.println("数据不全是数字或全部是文字!");
            }
            
        }
    }

	/**
     *     
     * @param cell 一个单元格的对象
     * @return 返回该单元格相应的类型的值
     */
    public static Object getRightTypeCell(Cell cell){
    	DecimalFormat df = new DecimalFormat("#");
        Object object = null;
        switch(cell.getCellType()){
            case Cell.CELL_TYPE_STRING :{
                object=cell.getStringCellValue();
                break;
            }
            case Cell.CELL_TYPE_NUMERIC :{
            	if(HSSFDateUtil.isCellDateFormatted(cell)){
               	 	SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
               	 	return sdf.format(HSSFDateUtil.getJavaDate(cell.getNumericCellValue())).toString();
           	 	}
            	return df.format(cell.getNumericCellValue());
            }
                
            case Cell.CELL_TYPE_FORMULA :{
                cell.setCellType(Cell.CELL_TYPE_NUMERIC);
                object=cell.getNumericCellValue();
                break;
            }
            
            case Cell.CELL_TYPE_BLANK :{
                cell.setCellType(Cell.CELL_TYPE_BLANK);
                object=cell.getStringCellValue();
                break;
            }
        }
        return object;
    }