同时对数据库进行更新，添加与删除操作

private void updateCourseList(String classId, JSONObject request, JSONObject user) {
　　JSONArray courseList = request.optJSONArray("courseList");
　　String insertSql = "insert into cekasp_train_course(id, classId, name, teacherName, status, createUser, createDate) values (?, ?, ?, ?, 0, ?, now())";
　　String updateSql = "update cekasp_train_course set name = ?, teacherName = ?, updateUser = ?, updateDate = now() where id = ? and classId = ? and status >= ?";
　　List<String> courseIdList = new ArrayList<>();
　　for (int i = 0, len = courseList.length(); i < len; i++) {
　　JSONObject course = courseList.optJSONObject(i);
　　String id = course.optString("id", null);
　　String name = course.optString("name");
　　String teacherName = course.optString("teacherName");
　　if (ValidateUtil.isNull(id)) { // 如果没有id，就添加到数据库
　　id = String.valueOf(dataService.getAutoId("cekasp_train_course"));
　　dataService.getJdbcTemplate().update(insertSql, id, classId, name, teacherName, user.optString("id"));
　　log.info("add course, name is {}, id is {}", name, id);
　　} else { // 如果有id，就更新
　　dataService.getJdbcTemplate().update(updateSql, name, teacherName, user.optString("id"), id, classId, DataStatusEnum.NORMAL.getValue());
　　log.info("update course, new name is {}, id is {}", name, id);
}
　　courseIdList.add(id);
}
　　NamedParameterJdbcTemplate namedParameterJdbcTemplate = new NamedParameterJdbcTemplate(dataService.getJdbcTemplate());
　　Map<String, Object> paramMap = new HashMap<>();
　　paramMap.put("status", DataStatusEnum.DELETED.getValue());
　　paramMap.put("ids", courseIdList);
　　paramMap.put("classId", classId);
　　namedParameterJdbcTemplate.update("update cekasp_train_course set status = (:status) where classId = (:classId) and id not in (:ids)", paramMap);
}

同时对数据库进行更新，添加与删除操作

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