java生成sql文件
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; } }
注：此处仅做日常记录方便后续用到时参考，不可转载
