@DeleteMapping("deleteQuestion")
 @ApiOperation(value = "删除问题")
 public ServerResponse deleteQuestion(Integer id){
 sysQuestionMapper.deleteByPrimaryKey(id);
 sysQuestionAnswerMapper.deleteByQUestionId(id);
 return ServerResponse.createBySuccess("删除成功");
 }

 @GetMapping("getQuestionList")
 @ApiOperation(value = "获得问题列表")
 public ServerResponse getQuestionList(){
 List list = sysQuestionMapper.selectAllQuestion();
 return ServerResponse.createBySuccess(list);
 }

 @GetMapping("getQuestionAnswerList")
 @ApiOperation(value = "获得问题选项列表")
 public ServerResponse getQuestionAnswerList(Integer question_id){
 List list = sysQuestionAnswerMapper.selectByQuestionId(question_id);
 return ServerResponse.createBySuccess(list);
 }

 @PostMapping("addQuestion")
 @ApiOperation(value = "添加问题")
 public ServerResponse addQuestion(String question,String[] answerList,Integer[] answer){
 Integer type = 1;
 if (answer.length != 1) {
 type = 2;
 }
 String stringAnswer = "";
 List list = Arrays.asList(answer);
 SysQuestion sysQuestion = new SysQuestion();
 sysQuestion.setQuestionName(question);
 sysQuestion.setCreateTime(new Date());
 sysQuestion.setType(type);
 sysQuestionMapper.insert(sysQuestion);
 Integer question_id = sysQuestionMapper.selectLastQuestionId();
 for (int i=0;i

  select max(id) from sys_question
 

 
  select * from sys_question order by create_time desc

  select * from sys_question_answer
  where question_id=#{question_id}
 

 
  select max(id) from sys_question_answer
 

 
  delete from sys_question_answer where question_id=#{question_id}