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随机组卷

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Lqc 2025-08-28 14:35:03 +08:00
parent 97419396f6
commit 69d2a464cb
1 changed files with 41 additions and 4 deletions
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45
jeecg-boot/jeecg-boot-module/jeecg-module-learn/src/main/java/org/jeecg/modules/biz/controller/ExamBizController.java
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@ -1,5 +1,7 @@
package org.jeecg.modules.biz.controller;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
import com.baomidou.mybatisplus.core.toolkit.CollectionUtils;
@ -19,6 +21,7 @@ import org.jeecg.modules.gen.paper.service.IPaperService;
import org.jeecg.modules.gen.paperquestion.entity.PaperQuestion;
import org.jeecg.modules.gen.paperquestion.service.IPaperQuestionService;
import org.jeecg.modules.gen.question.entity.Question;
import org.jeecg.modules.gen.question.entity.QuestionRequest;
import org.jeecg.modules.gen.question.service.IQuestionService;
import org.jeecg.modules.gen.questionrepo.entity.QuestionRepo;
import org.jeecg.modules.gen.questionrepo.service.IQuestionRepoService;
@ -67,9 +70,8 @@ public class ExamBizController {
new LambdaQueryWrapper<QuestionRepo>().
eq(QuestionRepo::getRepoId, paper.getRepoId())
);
questionIds = list.stream()
.map(QuestionRepo::getQuestionId)
.collect(Collectors.toList());
//筛选试卷
questionIds = random(list, paper.getRules());
}else {
//固定组卷
// 获取试卷中的试题关联信息
@ -194,6 +196,41 @@ public class ExamBizController {
return examRecordService.update(updateWrapper) ? Result.OK() : Result.error("提交考试失败");
}
//根据考试规则随机组卷
public List<String> random(List<QuestionRepo> list, String rules) {
JSONObject ruleJson = JSON.parseObject(rules);
// 根据规则筛选和随机抽取题目
Map<Integer, List<String>> typeQuestions = new HashMap<>();
// 先按题目类型分组
list.forEach(qr -> {
Question question = questionService.getById(qr.getQuestionId());
if (!typeQuestions.containsKey(question.getType())) {
typeQuestions.put(question.getType(), new ArrayList<>());
}
typeQuestions.get(question.getType()).add(question.getId());
});
// 根据规则随机抽取题目
List<String> questionIds = new ArrayList<>();
for (Integer type : typeQuestions.keySet()) {
int count = ruleJson.getInteger("type"+type + "_count"); // 例如：single_choice_count
List<String> typeQuestionIds = typeQuestions.get(type);
// 随机抽取指定数量的题目
if (typeQuestionIds.size() <= count) {
questionIds.addAll(typeQuestionIds);
} else {
// 打乱顺序后取前count个
Collections.shuffle(typeQuestionIds);
questionIds.addAll(typeQuestionIds.subList(0, count));
}
}
return questionIds;
}
//获取ip信息
public String getClientIp(HttpServletRequest request) {
String ip = request.getHeader("X-Forwarded-For");
@ -219,6 +256,7 @@ public class ExamBizController {
return ip;
}
//获取设备信息
public String getDeviceInfo(HttpServletRequest request) {
// 获取User-Agent
String userAgent = request.getHeader("User-Agent");
@ -226,7 +264,6 @@ public class ExamBizController {
String deviceInfo = parseDeviceInfo(userAgent);
return deviceInfo;
}
private String parseDeviceInfo(String userAgent) {
if (userAgent == null) {
return "Unknown";