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  • 同时对数据库进行更新,添加与删除操作

    1.测试接口方法如下

    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);
    }

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  • 原文地址:https://www.cnblogs.com/xiaolin-peter/p/7196080.html
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