poi导入excel

请看excel分类,其他的博客,下面的博客写的比较早,没啥太大利用价值,纯粹是复制代码

贴代码：

import org.apache.commons.beanutils.PropertyUtils;
import org.apache.commons.io.FileUtils;
import org.apache.commons.io.IOUtils;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;

@Override
	public List<String> upload(PProduct product, InputStream is,String lastName)throws Exception {
		HqlBean hqlBean = HqlBeanCacheUtil.gethqlBeanCache().get("cn.digitalpublishing.dao.PProductDao").get("getList");
		String statusYes = DicCache.getIdByCode(DicConstants.DIC_STATUS, DicConstants.DATA_STATUS_AVAILABLE);
		Map<String, Object> condition = new HashMap<String, Object>();
		Map<String, Object> params = new HashMap<String, Object>();
		List<String> isbnList = new ArrayList<String>();
		byte[] excelByte = IOUtils.toByteArray(is);
		Workbook xwb = null;
		try {
			if(lastName.equals("xlsx")){
				xwb = new XSSFWorkbook(new ByteArrayInputStream(excelByte));
			}else{
				xwb = new HSSFWorkbook(new ByteArrayInputStream(excelByte));
			}

			Sheet sheet = xwb.getSheetAt(0);
			for (int i = sheet.getFirstRowNum() + 1; i <= sheet.getPhysicalNumberOfRows(); i++) {
				condition.clear();
				Row row = sheet.getRow(i);
				if (row != null) {
					Cell isbn = row.getCell(0);
					Cell title = row.getCell(1);
					Cell publish = row.getCell(2);
					Cell price = row.getCell(3);
					Cell firstAuthor = row.getCell(4);
					Cell translator = row.getCell(5);
					Cell size = row.getCell(6);
					Cell binding = row.getCell(7);
					Cell pubDate = row.getCell(8);
					String isDiagiTal = DicCache.getIdByCode(DicConstants.ISDIGITAL, DicConstants.ISDIGITAL_0);
					int packageNum = 4;
					int bookNum = 4;
					String isTeaching = "";//DicCache.getIdByCode(DicConstants.DIC_STATUS, DicConstants.DATA_STATUS_AVAILABLE)

					if ((isbn != null)||title != null||publish != null||price != null||firstAuthor != null) {

						params.put("isbn", isbn.toString());
						params.put("title", title.toString());
						//params.put("publish", publish.toString());     出版社
						BigDecimal _price = new BigDecimal(price.toString());
						params.put("price", _price);
						params.put("firstAuthor", firstAuthor.toString());
						//PProduct _product = this.daoFacade.getProductDao().getList(params, "", hqlBean).get(0);
						List<PProduct> _listProduct = this.daoFacade.getProductDao().getList(params, "", hqlBean);
						if(_listProduct.size()==0){
							ServiceFactory service = new ServiceFactoryImpl();
							PProductTypeService saleItemService = service.getPProductTypeService();
							PProductType productTypeByCode = saleItemService.getProductTypeByCode("book");
							PProduct _proLine = new PProduct();
							_proLine.setIsbn(isbn.toString());
							_proLine.setTitle(title.toString());
							_proLine.setPublish(publish.toString());
							_proLine.setPrice(_price);
							_proLine.setFirstAuthor(firstAuthor.toString());
							_proLine.setTranslator(translator.toString());
							_proLine.setSize(size.toString());
							_proLine.setBinding(binding.toString());
							/*String _date = pubDate.toString();
							SimpleDateFormat sdf=new SimpleDateFormat("yyyy-mm-dd");
						    Date cd=sdf.parse(_date);
							_proLine.setPubDate(cd);*/
							_proLine.setIsDiagiTal(isDiagiTal);
							_proLine.setPackageNum(packageNum);
							_proLine.setBookNum(bookNum);
							_proLine.setIsTeaching(isTeaching);

							_proLine.setProductType(productTypeByCode);
							_proLine.setOwnerFlag(DicCache.getIdByCode(DicConstants.PRODUCT_OWNER_FLAG, DicConstants.PRODUCT_OWNER_FLAG_OTHER));
							_proLine.setStatus(DicCache.getIdByCode(DicConstants.DIC_STATUS, DicConstants.DATA_STATUS_AVAILABLE));
							_proLine.setCreateOn(new Date());
							/*String projectCode = EditorailSerialCode.getCode(Integer.valueOf(DicConstants.CODE_TYPE_PROJECT), crmCorpTypeRelationship.getCorp().getCode());
							_proLine.setCode(projectCode);
							_proLine.setProductIntegerNum(projectCode);*/

							this.insertProduct(_proLine);
						}else{
							isbnList.add(title.toString());
						}
					}else{
						throw new RuntimeException("第"+i+"行数据不完整，请认真填写");
					}
				}

			}
		} catch (Exception e) {
			e.printStackTrace();
		}
		return isbnList;
	}