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;
}
}
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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