一、生成試卷
public void saveByCourseId(String courseId, Long examId) { //取出各個題型的數量 QuestionRule questionRule = questionRuleDao.findCurrentQuestionRule(); Integer singlCount = questionRule.getSinglCount();//單選題數量 Integer moreCount = questionRule.getMoreCount();//多選題數量 Integer judgeCount = questionRule.getJudgeCount();//判斷題數量 //取出數據 //List<Question> singlList = questionService.findByCourseId(courseId,Question.Type.singl.ordinal()); //List<Question> moreList = questionService.findByCourseId(courseId,Question.Type.more.ordinal()); //List<Question> judgeList = questionService.findByCourseId(courseId,Question.Type.judge.ordinal()); //單選題 List<Question> singlList = questionDao.findByCourseId(courseId,Question.Type.singl.ordinal()); //list轉換成無序的set集合 Set<Question> singlResult = new HashSet<Question>(); for (Question question : singlList) { singlResult.add(question); } Set<Question> singlSet = new HashSet<Question>();//用來存儲抽到的單選題 int singlFlag = 0; //單選題存儲個數標記 for (Question question : singlResult) { //判斷是否是單選題 if (question.getType() == Question.Type.singl.ordinal()) { for (int i = 0; i < singlCount; i++) { if (singlFlag >= singlCount) { break; } singlFlag ++; //如果考題已存在,繼續遍歷 if (singlSet.contains(question)) { singlFlag --; } singlSet.add(question); } } } insertEntity(singlSet,examId); //多選題 List<Question> moreList = questionDao.findByCourseId(courseId,Question.Type.more.ordinal()); //list轉換成set集合 Set<Question> moreResult = new HashSet<Question>(); for (Question question : moreList) { moreResult.add(question); } //用來存儲抽到的多選題 Set<Question> moreSet = new HashSet<Question>(); int moreFlag = 0; //多選題存儲個數標記 for (Question question : moreResult) { //判斷是否是多選題 if (question.getType() == Question.Type.more.ordinal()) { for (int i = 0; i < moreCount; i++) { if (moreFlag >= moreCount) { break; } moreFlag ++; //如果考題已存在,繼續遍歷 if (moreSet.contains(question)) { moreFlag --; } moreSet.add(question); } } } insertEntity(moreSet,examId); //判斷題 List<Question> judgeList = questionDao.findByCourseId(courseId,Question.Type.judge.ordinal()); //list轉換成set Set<Question> judgeResult = new HashSet<Question>(); for (Question question : judgeList) { judgeResult.add(question); } //用來存儲抽到的判斷題 Set<Question> judgeSet = new HashSet<Question>(); int judgeFlag = 0; //判斷題存儲個數標記 for (Question question : judgeResult) { //判斷是否是判斷題 if (question.getType() == Question.Type.judge.ordinal()) { for (int i = 0; i < judgeCount; i++) { if (judgeFlag >= judgeCount) { break; } judgeFlag ++; //如果考題已存在,繼續遍歷 if (judgeSet.contains(question)) { judgeFlag --; } judgeSet.add(question); } } } insertEntity(judgeSet,examId); }
二、執行保存操作
三、試卷數據庫設計