From 77be36cc9077b09186e69440f3204f9e623c335a Mon Sep 17 00:00:00 2001
From: qirong <2032486488@qq.com>
Date: 星期一, 26 六月 2023 15:52:24 +0800
Subject: [PATCH] 试卷题目顺序打乱
---
src/main/java/com/mindskip/xzs/service/impl/ExamPaperServiceImpl.java | 95 +++++++++++++++++++++++++++++++++++------------
1 files changed, 70 insertions(+), 25 deletions(-)
diff --git a/src/main/java/com/mindskip/xzs/service/impl/ExamPaperServiceImpl.java b/src/main/java/com/mindskip/xzs/service/impl/ExamPaperServiceImpl.java
index b98b439..298d087 100644
--- a/src/main/java/com/mindskip/xzs/service/impl/ExamPaperServiceImpl.java
+++ b/src/main/java/com/mindskip/xzs/service/impl/ExamPaperServiceImpl.java
@@ -1,5 +1,6 @@
package com.mindskip.xzs.service.impl;
+import com.mindskip.xzs.configuration.spring.exception.QuestionException;
import com.mindskip.xzs.domain.*;
import com.mindskip.xzs.domain.TextContent;
import com.mindskip.xzs.domain.enums.ExamPaperTypeEnum;
@@ -84,21 +85,21 @@
@Override
@Transactional
- public ExamPaper savePaperFromVM(ExamPaperEditRequestVM examPaperEditRequestVM, User user) {
+ public ExamPaper savePaperFromVM(ExamPaperEditRequestVM examPaperEditRequestVM, User user) throws QuestionException {
ActionEnum actionEnum = (examPaperEditRequestVM.getId() == null) ? ActionEnum.ADD : ActionEnum.UPDATE;
Date now = new Date();
List<ExamPaperTitleItemObject> frameTextContentList = new ArrayList<>();
List<ExamPaperTitleItemVM> titleItemsVM = new ArrayList<>();
//闅忔満璇曞嵎
- if (examPaperEditRequestVM.getSubjectSource() != null) {
+ if (examPaperEditRequestVM.getSubjectSource().size() != 0) {
// Map<Integer, Integer> questionList = questionService.getAll().stream().collect(Collectors.toMap(Question::getId, Question::getScore));
randomQuestion(examPaperEditRequestVM, frameTextContentList, titleItemsVM);
}
- if (titleItemsVM.size() < 0) {
+ if (titleItemsVM.size() == 0) {
titleItemsVM = examPaperEditRequestVM.getTitleItems();
}
- if (frameTextContentList.size() < 0) {
+ if (frameTextContentList.size() == 0) {
frameTextContentList = frameTextContentFromVM(titleItemsVM);
}
@@ -145,14 +146,18 @@
.map(q -> q.getId()))
.collect(Collectors.toList());
List<Question> questions = questionMapper.selectByIds(questionIds);
+ Integer order = 0;
+ Set<Integer> generatedNumbers = new HashSet<>();
+ Random random = new Random();
List<ExamPaperTitleItemVM> examPaperTitleItemVMS = examPaperTitleItemObjects.stream().map(t -> {
ExamPaperTitleItemVM tTitleVM = modelMapper.map(t, ExamPaperTitleItemVM.class);
List<QuestionEditRequestVM> questionItemsVM = t.getQuestionItems().stream().map(i -> {
- Question question = questions.stream().filter(q -> q.getId().equals(i.getId())).findFirst().get();
- QuestionEditRequestVM questionEditRequestVM = questionService.getQuestionEditRequestVM(question);
- questionEditRequestVM.setItemOrder(i.getItemOrder());
- return questionEditRequestVM;
- }).collect(Collectors.toList());
+ Question question = questions.stream().filter(q -> q.getId().equals(i.getId())).findFirst().get();
+ QuestionEditRequestVM questionEditRequestVM = questionService.getQuestionEditRequestVM(question);
+ questionEditRequestVM.setItemOrder(getRandomNumber(t.getQuestionItems().size() - 1, generatedNumbers, random));
+ return questionEditRequestVM;
+ }).sorted(Comparator.comparing(QuestionEditRequestVM::getItemOrder))
+ .collect(Collectors.toList());
tTitleVM.setQuestionItems(questionItemsVM);
return tTitleVM;
}).collect(Collectors.toList());
@@ -199,6 +204,11 @@
return examPaperMapper.removeByIds(ids);
}
+ @Override
+ public List<ExamPaper> gets(Integer[] ids) {
+ return examPaperMapper.gets(ids);
+ }
+
private void examPaperFromVM(ExamPaperEditRequestVM examPaperEditRequestVM, ExamPaper examPaper, List<ExamPaperTitleItemVM> titleItemsVM) {
// Integer gradeLevel = subjectService.levelBySubjectId(examPaperEditRequestVM.getSubjectId());
Integer questionCount = titleItemsVM.stream()
@@ -234,6 +244,9 @@
}
private void addExamPaperDepartment(ExamPaperEditRequestVM examPaperEditRequestVM, ExamPaper examPaper) {
+ if(examPaperEditRequestVM.getDepartmentIds().length==0){
+ return;
+ }
List<ExamPaperDepartment> list = Arrays.asList(examPaperEditRequestVM.getDepartmentIds()).stream().map(e -> {
ExamPaperDepartment examPaperDepartment = new ExamPaperDepartment();
examPaperDepartment.setExamPaperId(examPaper.getId());
@@ -256,13 +269,12 @@
}
/**
- *
* @param result
* @param scoresMap
* @param quantity
* @param totalScore
*/
- public static void selectRandomScores(Map<Integer, Integer> result, Map<Integer, Integer> scoresMap, int quantity, int totalScore) {
+ public static void selectRandomScores(Map<Integer, Integer> result, Map<Integer, Integer> scoresMap, int quantity, int totalScore) throws QuestionException {
// Map<String, Integer> selectedScoresMap = new HashMap<>();
if (quantity <= 0 || totalScore <= 0 || scoresMap.isEmpty()) {
@@ -270,13 +282,16 @@
}
List<Integer> keys = new ArrayList<>(scoresMap.keySet());
- List<Integer> values = scoresMap.values().stream().map(e->e=e/10).collect(Collectors.toList());
+ List<Integer> values = scoresMap.values().stream().map(e -> e = e / 10).collect(Collectors.toList());
Random random = new Random();
int remainingQuantity = quantity;
int remainingScore = totalScore;
for (int i = 0; i < quantity - 1; i++) {
+ if (i >= scoresMap.size()) {
+ throw new QuestionException();
+ }
int index = random.nextInt(values.size());
int score = values.get(index);
@@ -292,7 +307,7 @@
if (!values.isEmpty()) {
int index = random.nextInt(values.size());
int score = values.get(index);
- result.put(keys.get(index), remainingScore); // 鏈�鍚庝竴涓垎鏁颁负鍓╀綑鐨勫垎鏁�
+ result.put(keys.get(index), score); // 鏈�鍚庝竴涓垎鏁颁负鍓╀綑鐨勫垎鏁�
}
}
@@ -304,27 +319,29 @@
* @param frameTextContentList
* @param titleItemsVM title
*/
- private void randomQuestion(ExamPaperEditRequestVM examPaperEditRequestVM, List<ExamPaperTitleItemObject> frameTextContentList, List<ExamPaperTitleItemVM> titleItemsVM) {
+ private void randomQuestion(ExamPaperEditRequestVM examPaperEditRequestVM, List<ExamPaperTitleItemObject> frameTextContentList, List<ExamPaperTitleItemVM> titleItemsVM) throws QuestionException {
Map<Integer, Integer> subjectSource = examPaperEditRequestVM.getSubjectSource();
//鎬绘暟閲�
Integer sum = subjectSource.values().stream().mapToInt(Integer::intValue).sum();
- Integer avg = 0;
+ Integer count = 0;
+ Integer mark = 0;
ExamPaperTitleItemObject examPaperTitleItemObject = new ExamPaperTitleItemObject();
- examPaperTitleItemObject.setName("娴嬭瘯001");
+ examPaperTitleItemObject.setName(examPaperEditRequestVM.getTitleItems().get(0).getName());
ExamPaperTitleItemVM examPaperTitleItemVM = new ExamPaperTitleItemVM();
//titleItemsVM
- examPaperTitleItemVM.setName("娴嬭瘯001");
+ examPaperTitleItemVM.setName(examPaperEditRequestVM.getTitleItems().get(0).getName());
List<ExamPaperQuestionItemObject> examPaperQuestionItemObjectList = new ArrayList<>();
List<QuestionEditRequestVM> questionItems = new ArrayList<>();
+ Integer order = 0;
for (Integer key : subjectSource.keySet()) { // key锛氭暟閲�
//璇ユ爣绛惧搴旂殑鍒嗘暟 澶氶�夛細3 鍒ゆ柇锛�3 鍗曢�夛細4
- Integer source = 20 * subjectSource.get(key) / sum;
+ Integer source = 80 * subjectSource.get(key) / sum - mark;
// 澶氶�夊拰鍒ゆ柇鏁伴噺
- Integer multipleNumber = subjectSource.get(key) * 3 / 10;
+ Integer multipleNumber = (subjectSource.get(key) + count) * 3 / 10;
//澶氶�夊拰鍒ゆ柇鍒嗘暟
Integer multipleSource = source * 3 / 10;
List<Integer> questions = questionSubjectService.getSubject(key)
@@ -336,26 +353,27 @@
Map<Integer, Integer> multipleMap = list.stream()
.filter(e -> e.getQuestionType().equals(QuestionTypeEnum.MultipleChoice.getCode()))
.collect(Collectors.toMap(Question::getId, Question::getScore));
- selectRandomScores(multiple, multipleMap, multipleNumber, multipleSource);
+
+ selectRandomScores(multiple, multipleMap, multipleNumber < multipleMap.size() ? multipleNumber : multipleMap.size(), multipleSource);
//鍒ゆ柇
Map<Integer, Integer> judgmentMap = list.stream()
.filter(e -> e.getQuestionType().equals(QuestionTypeEnum.TrueFalse.getCode()))
.collect(Collectors.toMap(Question::getId, Question::getScore));
- selectRandomScores(multiple, judgmentMap, multipleNumber, multipleSource);
+ selectRandomScores(multiple, judgmentMap, multipleNumber < judgmentMap.size() ? multipleNumber : judgmentMap.size(), multipleSource);
//鍗曢�夋暟閲�
Integer radioNumber = subjectSource.get(key) - multiple.size();
//鍗曢�夊垎鏁�
- Integer radioSource = source - multiple.values().stream().mapToInt(Integer::intValue).sum();;
+ Integer radioSource = source - multiple.values().stream().mapToInt(Integer::intValue).sum();
//鍗曢��
Map<Integer, Integer> radioMap = list.stream()
.filter(e -> e.getQuestionType().equals(QuestionTypeEnum.SingleChoice.getCode()))
.collect(Collectors.toMap(Question::getId, Question::getScore));
- selectRandomScores(multiple, radioMap, radioNumber, radioSource);
- Integer order = 0;
- titleItemsVM.add(examPaperTitleItemVM);
+ selectRandomScores(multiple, radioMap, radioNumber < radioMap.size() ? radioNumber : radioMap.size(), radioSource);
+
+// titleItemsVM.add(examPaperTitleItemVM);
for (Integer k : multiple.keySet()) {
ExamPaperQuestionItemObject examPaperQuestionItemObject = new ExamPaperQuestionItemObject();
examPaperQuestionItemObject.setId(k);
@@ -371,11 +389,38 @@
//titleItemsVM
examPaperTitleItemVM.setQuestionItems(questionItems);
+ //鏁伴噺 鍖归厤
+ count = multiple.size() != subjectSource.get(key) ? subjectSource.get(key) - multiple.size() : 0;
+ //鍒嗘暟鍖归厤
+ mark = source != multiple.values().stream().mapToInt(Integer::intValue).sum() ? multiple.values().stream().mapToInt(Integer::intValue).sum() - source : 0;
}
frameTextContentList.add(examPaperTitleItemObject);
titleItemsVM.add(examPaperTitleItemVM);
+ if (count != 0 || mark != 0) {
+ throw new QuestionException();
+ }
+
}
+ public Integer getRandomNumber(Integer a, Set<Integer> generatedNumbers, Random random) {
+ if (a <= 0) {
+ throw new IllegalArgumentException("a蹇呴』涓烘鏁存暟");
+ }
+
+ int range = a + 1;
+
+ if (generatedNumbers.size() >= range) {
+ generatedNumbers.clear(); // 娓呯┖宸茬敓鎴愮殑鏁板瓧闆嗗悎
+ }
+
+ int randomNumber;
+ do {
+ randomNumber = random.nextInt(range);
+ } while (generatedNumbers.contains(randomNumber));
+
+ generatedNumbers.add(randomNumber);
+ return randomNumber;
+ }
}
--
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