poi 获取excel数据 导入数据库

Posted 2020-09-21 曹增令

MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest) request;
		Map<String, MultipartFile> fileMap = multipartRequest.getFileMap();
		for (Map.Entry<String, MultipartFile> entity : fileMap.entrySet()) {
			MultipartFile file = entity.getValue();// 获取上传文件对象
			ImportParams params = new ImportParams();
			params.setHeadRows(1);
			params.setNeedSave(false);
			try {
				/*System.out.println(file.getInputStream());
				List<CasHistoryDateEntity> listCasHistoryDateEntitys = ExcelImportUtil.importExcel(file.getInputStream(),CasHistoryDateEntity.class,params);
				listCasHistoryDateEntitys.remove(0);
				for (CasHistoryDateEntity casHistoryDate : listCasHistoryDateEntitys) {*/
				//casHistoryDateService.save(casHistoryDate);
				// 构造 Workbook 对象，execelFile 是传入文件路径(获得Excel工作区)
				MultipartFile file1 = file;
				CommonsMultipartFile cf = (CommonsMultipartFile) file1;
				DiskFileItem fi = (DiskFileItem) cf.getFileItem();
				File file2 = fi.getStoreLocation();
				Workbook book = null;
				//book = new XSSFWorkbook(new FileInputStream(file2));
				try {
					// Excel 2007获取方法
					book = new XSSFWorkbook(new FileInputStream(file2));
				} catch (Exception ex) {
					// Excel 2003获取方法
					book = new HSSFWorkbook(new FileInputStream(file2));
				}
				// 读取表格的第一个sheet页
				Sheet sheet = book.getSheetAt(0);
				// 定义 row、cell
				Row row;
				String cell;
				// 总共有多少行,从0开始
				int totalRows = sheet.getLastRowNum();
				// 循环输出表格中的内容,首先循环取出行,再根据行循环取出列
				for (int i = 1; i <= totalRows; i++) {
					CasHistoryDateEntity casHistoryDateEntity = new CasHistoryDateEntity();
					Map<String, Object> map = new HashedMap();
					row = sheet.getRow(i);
					// 处理空行
					if (row == null) {
						continue;
					}
					// 总共有多少列,从0开始
					int totalCells = row.getLastCellNum();
					for (int f = row.getFirstCellNum(); f < totalCells; f++) {
						// 处理空列
						if (row.getCell(f) == null) {
							continue;
						}
						// 通过 row.getCell(j).toString() 获取单元格内容
						SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
						cell = row.getCell(f).toString();
						if (row.getRowNum() > 1) {
							if (1 == f) {
								casHistoryDateEntity.setXmmc(cell);
							}
							if (2 == f) {
								casHistoryDateEntity.setQtys(cell);
							}
							if (3 == f) {
								casHistoryDateEntity.setZzdw(cell);
							}
							if (4 == f) {
								casHistoryDateEntity.setFzcs(cell);
							}
							if (5 == f) {
								casHistoryDateEntity.setLxsjj(cell);
							}
							if (6 == f) {
								casHistoryDateEntity.setLxshc(cell);
							}
							if (7 == f) {
								casHistoryDateEntity.setLxsjn(cell);
							}
							if (8 == f) {
								casHistoryDateEntity.setWyh(cell);
							}
							if (9 == f) {
								casHistoryDateEntity.setXmbh(cell);
							}
							if (10 == f) {
								casHistoryDateEntity.setJf(cell);
							}
							if (11 == f) {
								casHistoryDateEntity.setJtsjj(cell);
							}
							if (12 == f) {
								casHistoryDateEntity.setJtsjc(cell);
							}
							if (13 == f) {
								casHistoryDateEntity.setJtsjn(cell);
							}
							if (14 == f) {
								casHistoryDateEntity.setMqzt(cell);
							}
							if (15 == f) {
								casHistoryDateEntity.setZxbg(cell);
							}
							if (16 == f) {
								casHistoryDateEntity.setXmlxr(cell);
							}
							if (17 == f) {
								casHistoryDateEntity.setLxfs(cell);
							}
							if (18 == f) {
								casHistoryDateEntity.setFzr(cell);
							}
							if (19 == f) {
								casHistoryDateEntity.setBz(cell);
							}
							systemService.save(casHistoryDateEntity);
						}
						System.out.print(cell + "\t");
					}
					//casHistoryDateService.save(casHistoryDate);
					//casHistoryDateService.save(casHistoryDate);
					System.out.println("");
				}
				j.setMsg("文件导入成功！");
				/*}*/
			} catch (Exception e) {
				j.setMsg("文件导入失败！");
				logger.error(ExceptionUtil.getExceptionMessage(e));
			} finally {
				try {
					file.getInputStream().close();
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
		}