导入功能：
MajorList = institutionBean.queryAllPerfessional( institutionIdString, basicDataBase);// 该学院下的专业 errorList = new ArrayList<>(); String companyNumber = (String) request.getSession().getAttribute( CloudContext.DatabaseName); // itoo // 查询该学院下的所有学生 List<EnrollStudent> existEnrollList = new ArrayList<>(); existEnrollList = enrollStudentBean.queryAllEnrollBycolleageName( freshmenDataBase, institutionName); // 创建一个通用的多部分解析器 CommonsMultipartResolver multipartResolver = new CommonsMultipartResolver( request.getSession().getServletContext()); InputStream inExcelFile = null; // 判断 request 是否有文件上传,即多部分请求 if (multipartResolver.isMultipart(request)) { // 转换成多部分request MultipartHttpServletRequest multiRequest = (MultipartHttpServletRequest) request; // 取得request中的所有文件名 Iterator<String> iter = multiRequest.getFileNames(); while (iter.hasNext()) { // 记录上传过程起始时的时间，用来计算上传时间 // 取得上传文件 MultipartFile file = multiRequest.getFile(iter.next()); inExcelFile = file.getInputStream(); } } // 创建一个list 用来存储读取的内容 List list = new ArrayList(); Cell cell; String result = ERROR; // 获取Excel文件对象 Workbook rwb = Workbook.getWorkbook(inExcelFile); // 获取文件的指定工作表 默认的第一个 Sheet sheet = rwb.getSheet(0); // 行数(表头的目录不需要，从1开始) for (int i = 0; i < sheet.getRows(); i++) { // 创建一个数组 用来存储每一列的值 String[] str = new String[sheet.getColumns()]; // 列数 for (int j = 0; j < sheet.getColumns(); j++) { // 获取第i行，第j列的值 cell = sheet.getCell(j, i); str[j] = cell.getContents(); } // 把刚获取的列存入list list.add(str); } // ==========保存错误信息的List // enrollStudent为要验证的List，error为保存错误信息的 List<EnrollStudent> enrollStudentList = new ArrayList<>(); List<FreshStudent> freshStudentList = new ArrayList<>(); List<String> mapList = new ArrayList<>(); if (!list.isEmpty()) { for (int i = 1; i < list.size(); i++) { EnrollStudent importStudent = new EnrollStudent(); String[] str = (String[]) list.get(i); if (list.get(i) == null || isAllEmpty(str)) { continue; } // 向freshstudent表中添加数据 FreshStudent freshStudent = new FreshStudent(); String freshid = UuidUtils.base58Uuid().toString(); freshStudent.setId(freshid); freshStudent.setIdentityCardID(str[1]); freshStudent.setName(str[2]); freshStudent.setSex(str[3]); freshStudent.setNation(str[4]); freshStudent.setIsHere("否"); freshStudent.setColleageId(institutionIdString); freshStudent.setEntranceDate(entranceDate); // 根据专业名称查询专业ID（str[9]为专业名称） freshStudent.setMajorId(""); if (!"".equals(str[9]) && str[9] != null) { for (Institution Major : MajorList) { if (str[9].equals(Major.getInstitutionName())) { freshStudent.setMajorId(Major.getId()); break; } } } freshStudent.setVersionStartTime(new Date()); freshStudent.setDataBaseName(freshmenDataBase); mapList.add(str[0]); // 调用新生接口，保存新生实体，并返回新生实体 // 学生信息 importStudent.setCEECode(str[0]); // 考号 importStudent.setFreshStudentId(freshid); // 新生id // 此时不应该添加进去数据 importStudent.setIdentityCardID(str[1]); // 身份证 importStudent.setName(str[2]); // 姓名 importStudent.setSex(str[3]); // 性别 importStudent.setNation(str[4]); // 民族 importStudent.setCEEAspiration(str[5]); // 高考志愿 importStudent.setCEEScore(str[6]); // 高考分数 importStudent.setLevel(str[7]); // 层次 importStudent.setSecondaryCollege(str[8]); // 学院名称 importStudent.setMajor(str[9]); // 专业 importStudent.setComment(str[10]); // 备注 importStudent.setDataBaseName(freshmenDataBase); // ===判断格式是否正确================================== String errorInfo = Verification(importStudent, freshStudent, enrollStudentList, existEnrollList); if (!"".equals(errorInfo)) { importStudent.setErrorInfo(errorInfo); errorList.add(importStudent); } // 如果数据格式验证成功，则验证该数据的考生号或身份证号是否已经在要导入的list表中。 else { else {// 如果有错的话，不加入到enrollStudentList和freshStudentList中去 enrollStudentList.add(importStudent); freshStudentList.add(freshStudent); } } } List<FreshStudent> freshList = new ArrayList<>(); List<EnrollStudent> enrollList = new ArrayList<>(); // FreshStudent去重 for (FreshStudent freshStudent : freshStudentList) { if (!freshList.contains(freshStudent)) { freshList.add(freshStudent); } } // enrollStudentList去重 for (EnrollStudent enrollStudent : enrollStudentList) { if (!freshList.contains(enrollStudent)) { enrollList.add(enrollStudent); } } // 批量添加考生 Boolean it = enrollStudentBean.addEnrollListAndFreshList( freshmenDataBase, authorityDataBase, companyNumber, enrollList, freshList, mapList); StringBuilder sbResult = new StringBuilder(); if (it) {// 导入成功 sbResult.append("为您成功导入" + enrollList.size() + "条数据。"); if (errorList.size() > 0) sbResult.append("有" + errorList.size() + "条数据未成功导入，您可以点击下载错误信息来获得错误原因。"); } else { sbResult.append("未能为您导入任何信息,您可以下载错误信息来获得错误原因"); } String strResult1 = sbResult.toString(); // 将更新结果转成json输出 String result1 = String.valueOf(strResult1); response.setContentType("text/html;charset=UTF-8"); PrintWriter out = null; out = response.getWriter(); out.write(result1); } catch (Exception e) { logger.error(e.getMessage(), e); } finally { MajorList = Collections.emptyList();// 导入使用完该全局变量，将请内容清空。 } }