java生成sql文件

java生成sql文件

java生成sql文件

• • 场景

场景

用于清理数据库数据，生成sql语句脚本，方便DBA执行

    @RequestMapping("/cleanQuestion")
    @ResponseBody
    public AjaxResult cleanQuestion(@ModelAttribute("common") Common common, HttpServletRequest request)
    {
        //sign校验
        AjaxResult ajaxResult = new AjaxResult();
        try{
        //获取请求参数
        String  detailPlanId = request.getParameter("detailPlanId");

        long start = System.currentTimeMillis();
        BufferedWriter out = null;
        Map objMap = new HashMap(8);
        try {
            //路径
            String filePath = "D://100//export//"+DateUtils.getFormatDate(DateUtils.YYYY_MM_DD,new Date())+"//";
            File pathFile = new File(filePath);
            if (!pathFile.exists()) {
                pathFile.mkdirs();
            }
            String relFilePath = filePath + "计划id-" + detailPlanId + ".sql";
            File file = new File(relFilePath);
            if (!file.exists()) {
                file.createNewFile();
            }
            out = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(file), "UTF-8"));
            objMap.put("file",relFilePath);

            DetailPlanQuestion detailPlanQuestion = detailPlanQuestionService.selectDetailPlanQuestionByDetailPlanId(Long.parseLong(detailPlanId));
            StringBuffer detailQuesSql = new StringBuffer();
            //删除后台题信息
            detailQuesSql.append("UPDATE qs_study_detail_plan_question SET is_valid=0,update_by='手动',update_time=NOW() WHERE id=");
            detailQuesSql.append(detailPlanQuestion.getId());
            detailQuesSql.append(";");
            detailQuesSql.append("/r/n");

            //获取到当前题所在课表题信息
            UserDetailPlanQuestion udpq = new UserDetailPlanQuestion();
            udpq.setDetailPlanQuestionId(detailPlanQuestion.getId());
            List<UserDetailPlanQuestion> planQuestions = userDetailPlanQuestionService.selectUserDetailPlanQuestionList(udpq);
            if (CollectionUtils.isNotEmpty(planQuestions)) {

                StringBuffer quesSql = new StringBuffer();
                StringBuffer planSql = new StringBuffer();
                StringBuffer planCompSql = new StringBuffer();
                StringBuffer kpUpSql = new StringBuffer();
                StringBuffer kpInSql = new StringBuffer();
                for (UserDetailPlanQuestion planQuestion:planQuestions) {
                    Long userExtendId = planQuestion.getUserExtendId();
                    //生成删除题信息sql UPDATE qs_study_user_detail_plan_question3 SET is_valid=0 WHERE id=56321;
                    quesSql.append("UPDATE qs_study_user_detail_plan_question");
                    quesSql.append(userExtendId%32);
                    quesSql.append(" SET is_valid=0,update_by='手动',update_time=NOW() WHERE id=");
                    quesSql.append(planQuestion.getId());
                    quesSql.append(";");
                    quesSql.append("/r/n");

                    if (Constants.EXECUTE_STATUS.NOT_LEARN.getValue().equals(planQuestion.getStatus()) ||
                            Constants.EXECUTE_STATUS.LEARNING.getValue().equals(planQuestion.getStatus())) {
                        //未学习 学习中 获取课信息
                        List<UserDetailPlanListen> planListens = userDetailPlanListenService.selectUserDetailPlanListenByExtendId(userExtendId, planQuestion.getUserDetailPlanId());
                        if (CollectionUtils.isNotEmpty(planListens)) {
                            //没有题了但是有课，根据课的状态决定
                            UserDetailPlanListen planListen = planListens.get(0);
                            if (Constants.EXECUTE_STATUS.FINISHED.getValue().equals(planListen.getStatus())) {
                                //当前课已经学完了，需要更新计划为已完成
                                UserDetailPlan userDetailPlan = userDetailPlanService.selectUserDetailPlanById(userExtendId, planQuestion.getUserDetailPlanId());
                                //获取计划信息
                                if (userDetailPlan != null) {
                                    planSql.append("UPDATE qs_study_user_detail_plan");
                                    planSql.append(userExtendId%32);
                                    planSql.append(" SET status=3,update_by='手动',update_time=NOW(),finish_date='");
                                    planSql.append(DateUtils.getFormatDate(null,planListen.getFinishDate()));
                                    planSql.append("' WHERE id=");
                                    planSql.append(planQuestion.getUserDetailPlanId());
                                    planSql.append(";");
                                    planSql.append("/r/n");

                                    //插入阶段完成计划
                                    UserDaySchedule daySchedule = userDayScheduleService.selectUserDayScheduleById(userExtendId, userDetailPlan.getUserDayScheduleId());
                                    UserPath userPath = userPathService.selectUserPathById(daySchedule.getUserPathId());
                                    //INSERT INTO qs_study_user_stage_plan_complete (`user_extend_id`, `stage_id`, `subject_id`, `plan_extend_id`, `long_short_path_id`, `plan_id`, `complete_method`, `is_valid`, `create_by`, `create_time`, `update_by`, `update_time`, `remark`, `paper_id`) VALUES ('33', '11', '1', '13', '17', '1719', '1', '1', '', '2020-08-26 15:13:06', '', NULL, '', NULL);
                                    planCompSql.append("INSERT INTO qs_study_user_stage_plan_complete (`user_extend_id`, `stage_id`, `subject_id`, `plan_extend_id`, `long_short_path_id`, `plan_id`, `complete_method`, `is_valid`, `create_by`, `create_time`) VALUES (");
                                    planCompSql.append(userExtendId);
                                    planCompSql.append(",");
                                    planCompSql.append(userPath.getStageId());
                                    planCompSql.append(",");
                                    planCompSql.append(userPath.getSubjectId());
                                    planCompSql.append(",");
                                    planCompSql.append(userPath.getPlanExtendId());
                                    planCompSql.append(",");
                                    planCompSql.append(userPath.getLongShortPathId());
                                    planCompSql.append(",");
                                    planCompSql.append(userDetailPlan.getDetailPlanId());
                                    planCompSql.append(",2,1,'手动',NOW());");
                                    planCompSql.append("/r/n");

                                    List<Long> kpIdList = detailPlanKpService.getKpIdListByPlanId(userDetailPlan.getDetailPlanId());
                                    if(CollectionUtils.isNotEmpty(kpIdList)){
                                        for (Long aLong : kpIdList) {
                                            UserStageKpComplete uskc = new UserStageKpComplete();
                                            uskc.setUserExtendId(userExtendId);
                                            uskc.setStageId(userPath.getStageId());
                                            uskc.setSubjectId(userPath.getSubjectId());
                                            uskc.setKpId(aLong);
                                            List<UserStageKpComplete> uskcList = userStageKpCompleteService.selectUserStageKpCompleteList(uskc);
                                            if(CollectionUtils.isNotEmpty(uskcList)){
                                                uskc = uskcList.get(0);
                                                //更新阶段完成知识点
                                                kpUpSql.append("UPDATE qs_study_user_stage_kp_complete SET complete_method=2,update_by='手动',update_time=NOW() WHERE id=");
                                                kpUpSql.append(uskc.getId());
                                                kpUpSql.append(";");
                                                kpUpSql.append("/r/n");
                                            }else {
                                                //插入阶段完成知识点
                                                kpInSql.append("INSERT INTO qs_study_user_stage_kp_complete (`user_extend_id`, `stage_id`, `subject_id`, `kp_id`, `complete_method`, `is_valid`, `create_by`, `create_time`) VALUES (");
                                                kpInSql.append(userExtendId);
                                                kpInSql.append(",");
                                                kpInSql.append(uskc.getStageId());
                                                kpInSql.append(",");
                                                kpInSql.append(uskc.getSubjectId());
                                                kpInSql.append(",");
                                                kpInSql.append(aLong);
                                                kpInSql.append(",2,1,'手动',NOW());");
                                                kpInSql.append("/r/n");
                                            }
                                        }
                                    }
                                }



                            }else if (Constants.EXECUTE_STATUS.SKIPPED.getValue().equals(planListen.getStatus())) {

                                UserDetailPlan userDetailPlan = userDetailPlanService.selectUserDetailPlanById(userExtendId, planQuestion.getUserDetailPlanId());
                                if (userDetailPlan != null) {
                                    planSql.append("UPDATE qs_study_user_detail_plan");
                                    planSql.append(userExtendId%32);
                                    planSql.append(" SET status=4,update_by='手动',update_time=NOW(),finish_date='");
                                    planSql.append(DateUtils.getFormatDate(null,planListen.getFinishDate()));
                                    planSql.append("' WHERE id=");
                                    planSql.append(planQuestion.getUserDetailPlanId());
                                    planSql.append(";");
                                    planSql.append("/r/n");

                                    //插入阶段完成计划
                                    UserDaySchedule daySchedule = userDayScheduleService.selectUserDayScheduleById(userExtendId, userDetailPlan.getUserDayScheduleId());
                                    UserPath userPath = userPathService.selectUserPathById(daySchedule.getUserPathId());
                                    //INSERT INTO qs_study_user_stage_plan_complete (`user_extend_id`, `stage_id`, `subject_id`, `plan_extend_id`, `long_short_path_id`, `plan_id`, `complete_method`, `is_valid`, `create_by`, `create_time`, `update_by`, `update_time`, `remark`, `paper_id`) VALUES ('33', '11', '1', '13', '17', '1719', '1', '1', '', '2020-08-26 15:13:06', '', NULL, '', NULL);
                                    planCompSql.append("INSERT INTO qs_study_user_stage_plan_complete (`user_extend_id`, `stage_id`, `subject_id`, `plan_extend_id`, `long_short_path_id`, `plan_id`, `complete_method`, `is_valid`, `create_by`, `create_time`) VALUES (");
                                    planCompSql.append(userExtendId);
                                    planCompSql.append(",");
                                    planCompSql.append(userPath.getStageId());
                                    planCompSql.append(",");
                                    planCompSql.append(userPath.getSubjectId());
                                    planCompSql.append(",");
                                    planCompSql.append(userPath.getPlanExtendId());
                                    planCompSql.append(",");
                                    planCompSql.append(userPath.getLongShortPathId());
                                    planCompSql.append(",");
                                    planCompSql.append(userDetailPlan.getDetailPlanId());
                                    planCompSql.append(",2,1,'手动',NOW());");
                                    planCompSql.append("/r/n");

                                    List<Long> kpIdList = detailPlanKpService.getKpIdListByPlanId(userDetailPlan.getDetailPlanId());
                                    if(CollectionUtils.isNotEmpty(kpIdList)){
                                        for (Long aLong : kpIdList) {
                                            UserStageKpComplete uskc = new UserStageKpComplete();
                                            uskc.setUserExtendId(userExtendId);
                                            uskc.setStageId(userPath.getStageId());
                                            uskc.setSubjectId(userPath.getSubjectId());
                                            uskc.setKpId(aLong);
                                            List<UserStageKpComplete> uskcList = userStageKpCompleteService.selectUserStageKpCompleteList(uskc);
                                            if(CollectionUtils.isNotEmpty(uskcList)){
                                                uskc = uskcList.get(0);
                                                //更新阶段完成知识点
                                                kpUpSql.append("UPDATE qs_study_user_stage_kp_complete SET complete_method=2,update_by='手动',update_time=NOW() WHERE id=");
                                                kpUpSql.append(uskc.getId());
                                                kpUpSql.append(";");
                                                kpUpSql.append("/r/n");
                                            }else {
                                                //插入阶段完成知识点
                                                kpInSql.append("INSERT INTO qs_study_user_stage_kp_complete (`user_extend_id`, `stage_id`, `subject_id`, `kp_id`, `complete_method`, `is_valid`, `create_by`, `create_time`) VALUES (");
                                                kpInSql.append(userExtendId);
                                                kpInSql.append(",");
                                                kpInSql.append(uskc.getStageId());
                                                kpInSql.append(",");
                                                kpInSql.append(uskc.getSubjectId());
                                                kpInSql.append(",");
                                                kpInSql.append(aLong);
                                                kpInSql.append(",2,1,'手动',NOW());");
                                                kpInSql.append("/r/n");
                                            }
                                        }
                                    }
                                }

                            }else {


                            }

                        }else {
                            //没有题了也没有课则删除当前计划
                            planSql.append("UPDATE qs_study_user_detail_plan");
                            planSql.append(userExtendId%32);
                            planSql.append(" SET is_valid=0,update_by='手动',update_time=NOW() WHERE id=");
                            planSql.append(planQuestion.getUserDetailPlanId());
                            planSql.append(";");
                            planSql.append("/r/n");
                        }


                    }
                }
                out.write(detailQuesSql.toString());
                out.newLine();
                out.write(quesSql.toString());
                out.newLine();
                out.write(planSql.toString());
                out.newLine();
                out.write(planCompSql.toString());
                out.newLine();
                out.write(kpUpSql.toString());
                out.newLine();
                out.write(kpInSql.toString());

            }
        }catch (Exception e) {
            e.printStackTrace();
        }finally {
            if (out != null) {
                try {
                    out.flush();
                    out.close();
                }catch (Exception e) {
                    e.printStackTrace();
                }
            }
        }
        long end = System.currentTimeMillis();

        objMap.put("time","耗时："+(end-start)/1000+"s");

        ajaxResult.put("code", Constants.CODE.SUCCESS.getValue());
        ajaxResult.put("msg",Constants.CODE.SUCCESS.getDescription());
        ajaxResult.put("obj",objMap);
        return ajaxResult;
    }catch (Exception e){
        e.printStackTrace();
        ajaxResult.put("code", Constants.CODE.SYSTEM_ERROE.getValue());
        ajaxResult.put("msg", Constants.CODE.SYSTEM_ERROE.getDescription());
        ajaxResult.put("obj", "");
        return ajaxResult;
    }
}



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注：此处仅做日常记录方便后续用到时参考，不可转载
https://blog.csdn.net/csdn565973850/article/details/114872647
                                                        
原创文章，作者：ItWorker，如若转载，请注明出处：https://blog.ytso.com/tech/java/281964.html