java poi excel 导入

/**
	 * 资料导入方法
	 * @param filePath  资料文件路径
	 * @return 资料信息
	 */
	public List<Map<String, String>> infomationImport(String filePath)  {
		
		//存储 资料集合
		List<Map<String, String>> infomationList = new ArrayList<Map<String,String>>();
		
		try{
			//创建文件输入流
			FileInputStream is= new FileInputStream(new File(filePath));
			
			HSSFWorkbook workbook = new HSSFWorkbook(is); //创建对Excel工作簿文件的引用    
			 /**
	         * 循环sheet页
	         */
	        for (int numSheets = 0; numSheets < workbook.getNumberOfSheets(); numSheets++) {    
	            if (null != workbook.getSheetAt(numSheets)) {    
	                HSSFSheet sheet = workbook.getSheetAt(numSheets); //获得一个sheet    
	  
	                /**
	                 * 循环sheet页所有行
	                 */
	                for (int rowNumOfSheet = 1; rowNumOfSheet <= sheet.getLastRowNum(); rowNumOfSheet++) {    
	                	
	                	//存储每一行的资料
	                	Map<String,String> map = new HashMap<String,String>();
	                	
	                    if (null != sheet.getRow(rowNumOfSheet)) {   
	                    	
	                    	//获得一行 
	                        HSSFRow row = sheet.getRow(rowNumOfSheet);    
	  
	                        /**
	                         * 循环每一行的所有列
	                         */
	                        for (short cellNumOfRow = 0; cellNumOfRow <= row.getLastCellNum(); cellNumOfRow++) {    
	                            if (null != row.getCell(cellNumOfRow)) {   
	                            	
	                            	//获得列值
	                                HSSFCell cell = row.getCell(cellNumOfRow);     
	                                                                   
	                                //数字类型
	                                if(cell.getCellType() == HSSFCell.CELL_TYPE_NUMERIC){  
	                                	NumberFormat fomatter = new  DecimalFormat();
	                                	String[] dataList=fomatter.format(Double.parseDouble(String.valueOf(cell.getNumericCellValue()))).split(Constants.CONSTANT_DATA_SEPARATOR);
	                                	StringBuffer sb=new StringBuffer();
	                                	for (int i = 0; i < dataList.length; i++) {
											sb.append(dataList[i]);
										}
	                                	map.put(sheet.getRow(0).getCell(cellNumOfRow).getStringCellValue(), sb.toString());
	                                }else if(cell.getCellType() == HSSFCell.CELL_TYPE_BOOLEAN){    
	                                	map.put(sheet.getRow(0).getCell(cellNumOfRow).getStringCellValue(), String.valueOf(cell.getBooleanCellValue()));
	                                }else {    
	                                	map.put(sheet.getRow(0).getCell(cellNumOfRow).getStringCellValue(),cell.getStringCellValue());
	                                }    
	                            }    
	                        }  
	                    }    
	                    infomationList.add(map);
	                }    
	            }    
	        }  
		}catch(FileNotFoundException e){
			e.printStackTrace();
		}
		catch(IOException ioexception){
			ioexception.printStackTrace();
		}
        return infomationList;   
	}