在class类中编写了根据学生id查班级id接口（暂无别用），目前用于作业查询部分调用方法；

优化部分前端字体大小，排版格式等；
初步构建了作业部分的后端大致框架，尝试编写学生端查询作业信息模块，后端逻辑未全部完成。

AES-front/src/api/user.js

@@ -19,5 +19,11 @@ export default {
   updateUserPwd: (data) => request.post('/user/editUserPassword', data),
   signUser: (data) => request.post('/user/signUser', data, { noNeedToken: true }),
 
+  //班级相关
   takeClassByInviteCode: (data) => request.post('/classes/takeClassByInviteCode', data), //¼ÓÈë°à¼¶
+
+
+  //作业题目部分
+  getExamList: (data) =>request.post('/problem/getExamList')//学生获取作业列表
+
 }

AES-front/src/views/user/exam-list/components/exam-actions.vue

@@ -1,12 +1,12 @@
 <template>
   <div flex-col gap-y-10>
-    <n-button type="primary" size="small" @click="onStart">参加</n-button>
+    <n-button type="primary" size="small" @click="onStart">进入</n-button>
     <n-button type="success" size="small" @click="onGrade">成绩</n-button>
   </div>
 </template>
 
 <script setup>
-// 控制“参加”按钮在短时间内只能被点击一次，该按钮若短时间内多次点击会出现
+// 控制“进入”按钮在短时间内只能被点击一次，该按钮若短时间内多次点击会出现
 // “Redis未启动”、“提交本题不能过快,请稍后重试”等错误
 const isClicked = ref(false)
 

AES-front/src/views/user/exam-list/index.vue

@@ -1,7 +1,223 @@
 <template>
-<h1>作业列表</h1>
+  <CommonPage show-footer>
+    <n-data-table
+        remote
+        :single-line="false"
+        :columns="columns"
+        :data="examList"
+        :loading="loading"
+        :pagination="paginationReactive"
+        :row-key="rowKey"
+        :scroll-x="900"
+        @update:page="onChangePage"
+    />
+  </CommonPage>
 </template>
 
 <script setup>
+import { ref, reactive, onMounted } from 'vue'
+import api from '@/api/user'
+import ExamActions from './components/exam-actions.vue'
+import { formatDateTime, getToken } from '@/utils'
+import { useUserStore } from '@/store'
+import { useRouter } from 'vue-router'
+import { useCountdown } from '@/composables'
+
+const userStore = useUserStore()
+const router = useRouter()
+
+const loading = ref(true)
+const examList = ref([])
+const countdownControllers = {}
+
+const paginationReactive = reactive({
+  page: 1,
+  pageSize: 10,
+  prefix({ itemCount }) {
+    return `总共 ${itemCount} 条`
+  },
+})
+
+const onStartExam = async (exam) => {//点击进入控件的逻辑
+  const { status, id, type } = exam
+
+    try {
+      await api.addExamInfo({ id })
+      if (type == 'iTraining') {
+        router.push({ name: 'TrainingIndex', params: { examId: id } })
+      } else {
+        router.push({ name: 'ContestIndex', params: { examId: id } })
+      }
+    } catch (err) {
+      console.log(err)
+    }
+}
+
+const onViewScore = (exam) => {//点击成绩控件的逻辑
+  var trainingViewScore = ''
+  if (exam.type == 'iTraining') {
+    trainingViewScore = 'iTraining'
+  } else {
+    trainingViewScore = exam.studentViewScore
+  }
+  const examId = exam.id
+  const problemNum = exam.problemNum
+  switch (trainingViewScore) {
+    case 'System':
+      if (parseInt(problemNum) <= 10) {
+        router.push({ name: 'ContestScoreRankStatus', params: { examId }, query: { fromclient: false }  })
+      } else {
+        router.push({ name: 'ContestScoreTop10', params: { examId }, query: { fromclient: false }  })
+      }
+      break
+    case 'RankAndStatus':
+      router.push({ name: 'ContestScoreRankStatus', params: { examId }, query: { fromclient: false }  })
+      break
+    case 'OnlyRank':
+      router.push({ name: 'ContestScoreOnlyRank', params: { examId }, query: { fromclient: false } })
+      break
+    case 'Top10':
+      router.push({ name: 'ContestScoreTop10', params: { examId }, query: { fromclient: false }  })
+      break
+    case 'iTraining':
+      router.push({ name: 'TrainingScoreTrainRank', params: { examId }, query: { fromclient: false }  })
+      break
+    case 'NoScorePage':
+      $message.warning("当前作业不能查看成绩");
+      break
+    default:
+  }
+
+}
+
+const columns = [
+  {
+    key: 'name',
+    title: '作业名称',
+    fixed: 'left',
+    width: 150,
+    align: 'center',
+  },
+  {
+    key: 'description',
+    title: '描述信息',
+  },
+  {
+    key: 'starttime',
+    title: '开始时间',
+    width: '108',
+    align: 'center',
+    render: (row) => {
+      return row['starttime'] ? formatDateTime(row['starttime']) : ''
+    },
+  },
+  {
+    key: 'endtime',
+    title: '结束时间',
+    width: '108',
+    align: 'center',
+    render: (row) => {
+      return row['endtime'] ? formatDateTime(row['endtime']) : ''
+    },
+  },
+
+  {
+    key: 'status',
+    title: '状态',
+    width: '116',
+    render: (row, idx) => {
+      if (countdownControllers[row.id]) {
+        const { leftTime, minute, second } = countdownControllers[row.id]
+        if (leftTime.value <= 0) {
+          examList.value[idx].status = '考试进行中'
+          return '考试进行中'
+        }
+        return `还有${minute.value}分${second.value}秒`
+      }
+      return row.status
+    },
+  },
+
+  {
+    key: 'actions',
+    title: '操作',
+    width: '80',
+    fixed: 'right',
+    render(row) {
+      // console.log(toRaw(row))
+      return h(ExamActions, {
+        onClickStart: () => onStartExam(row),
+        onClickGrade: () => onViewScore(toRaw(row)),
+      })
+    },
+  },
+]
+
+
+
+const queryByPage = async (currentPage) => {
+  loading.value = true
+  //先清理所有定时器
+  for (let key in countdownControllers) {
+    countdownControllers[key].clearCountdown()
+  }
+  try {
+    const res = await api.getExamList({
+      pageNum: currentPage,
+      pageSize: paginationReactive.pageSize,
+    })
+    examList.value = res.data // 假设返回的数据在 res.data 中
+    const { pageNum, pageSize, total, list } = res.data
+    paginationReactive.page = pageNum
+    paginationReactive.pageSize = pageSize
+    paginationReactive.itemCount = total
+    examList.value = list
+
+    // 添加倒计时控制
+    examList.value.forEach((exam) => {
+      // 距离考试不到1h,开始倒计时
+      if (exam.status.startsWith('还有')) {
+        // 格式："还有" + minute + ":" + second
+        const [minute, second] = exam.status.replace('还有', '').split(':')
+        countdownControllers[exam.id] = useCountdown()
+        countdownControllers[exam.id].startCountdown(Number(minute) * 60 + Number(second))
+      }
+    })
+  } catch (err) {
+    console.log(err)
+  } finally {
+    loading.value = false
+  }
+}
+
+const onChangePage = (page) => {
+  paginationReactive.page = page
+  if (!loading.value) {
+    queryByPage(page)
+  }
+}
+const onUpdatePageSize = (pageSize) => {
+  paginationReactive.pageSize = pageSize
+  paginationReactive.page = 1
+  queryByPage(1)
+}
+
+const rowKey = (rowData) => {
+  return rowData.id
+}
+
+onMounted(() => {
+  queryByPage(paginationReactive.page)
+})
+
+//销毁倒计时
+onBeforeUnmount(() => {
+  for (let key in countdownControllers) {
+    countdownControllers[key].clearCountdown()
+  }
+})
+
+
+
 
 </script>

AES-front/src/views/user/index.vue

@@ -95,7 +95,7 @@ img.shadow-img {
 /* 文字说明样式 */
 .index-right-div {
   margin-left: 35px;
-  width: 400px;
+  width: 300px;
 }
 
 /* 修改文字说明样式，添加悬停效果 */

AES-front/src/views/user/problem/index.vue

@@ -0,0 +1,13 @@
+<template>
+
+</template>
+
+<script>
+export default {
+  name: "index"
+}
+</script>
+
+<style scoped>
+
+</style>

AES-front/src/views/user/take-class/index.vue

@@ -63,7 +63,7 @@ const handleValidateButtonClick = ()=>{
 }
 .lead
 {
-  font-size:1.25rem;
+  font-size:1.4rem;
   font-weight:300
 }
 .divCode{

AES/src/main/java/com/example/aes/problem/controller/ProblemController.java

@@ -0,0 +1,72 @@
+package com.example.aes.problem.controller;
+
+
+import com.example.aes.global.model.DecodeToken;
+import com.example.aes.global.model.RespBean;
+import com.example.aes.problem.model.PMProblem;
+import com.example.aes.problem.service.ProblemServiceI;
+import com.example.aes.user.dao.AccountDao;
+import com.example.aes.user.model.Adminusers;
+import com.example.aes.user.model.Classstudents;
+import com.example.aes.user.model.DataGrid;
+import com.example.aes.user.model.Users;
+import com.example.aes.user.service.ClassesServiceI;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.security.access.prepost.PreAuthorize;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import javax.annotation.Resource;
+import javax.persistence.criteria.CriteriaBuilder;
+import javax.servlet.http.HttpServletRequest;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+
+
+@RestController
+@RequestMapping("/problem")
+public class ProblemController {
+
+    @Autowired
+    private ClassesServiceI classesServiceI;
+
+    @Autowired
+    private ProblemServiceI problemServiceI;
+
+    //获取作业列表
+    @GetMapping("/getExamList")
+    public RespBean getExamList(Integer pageNum,Integer pageSize, HttpServletRequest request) {
+        if (pageNum < 1 || pageSize < 1)
+            return RespBean.error("参数错误！");
+
+//        PMProblem pMproblem = new PMProblem();
+//        pMproblem.setPageNum(pageNum);
+//        pMproblem.setPageSize(pageSize);
+
+        DecodeToken decodeToken = new DecodeToken(request);
+        String userId = decodeToken.getUserId();
+
+        // 根据学生id查找班级id
+        List<Classstudents> classstudentsList = classesServiceI.findClassIdByStudentId(Integer.parseInt(userId));
+        List<Integer> classIds = new ArrayList<Integer>();
+        for (Classstudents classstudent : classstudentsList) {
+            //提取所有的classstudentslist中的classid并存放到新的classids表里面用作后续处理
+            classIds.add(classstudent.getClassId());
+        }
+
+        List<PMProblem> pMproblems = problemServiceI.getProblemsByClassIds(classIds);
+
+        if (pMproblems != null) {
+            return RespBean.ok("获取作业列表成功！",pMproblems);
+        } else {
+            return RespBean.error("获取作业列表失败！");
+        }
+    }
+
+
+////////////逻辑在未完成
+}

AES/src/main/java/com/example/aes/problem/dao/ProblemDaoI.java

@@ -0,0 +1,20 @@
+package com.example.aes.problem.dao;
+
+
+import com.example.aes.problem.model.PMProblem;
+import com.example.aes.problem.model.Problem;
+import com.example.aes.user.dao.BaseDaoI;
+import com.example.aes.user.model.Classstudents;
+
+
+import java.util.List;
+
+
+public interface ProblemDaoI extends BaseDaoI<Problem> {
+
+    List<PMProblem> findProblemsByClassIds(List<Integer> classIds);
+
+
+
+
+}

AES/src/main/java/com/example/aes/problem/dao/impl/ProblemDaoImpl.java

@@ -0,0 +1,42 @@
+package com.example.aes.problem.dao.impl;
+
+import com.example.aes.problem.dao.ProblemDaoI;
+import com.example.aes.problem.model.PMProblem;
+import com.example.aes.problem.model.Problem;
+import com.example.aes.user.dao.BaseDaoI;
+import com.example.aes.user.dao.impl.BaseDaoImpl;
+import com.example.aes.user.model.Classstudents;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.jdbc.core.BeanPropertyRowMapper;
+import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.stereotype.Repository;
+
+import java.util.List;
+
+@Repository("ProblemDao")
+public class ProblemDaoImpl extends BaseDaoImpl<Problem> implements ProblemDaoI{
+
+    @Autowired
+    private JdbcTemplate jdbcTemplate;
+
+    @Override
+    public List<PMProblem> findProblemsByClassIds(List<Integer> classIds){
+        // SQL查询，根据classIds获取problemId, startTime, endTime
+        String sql = "SELECT p.problem_id AS problemId, pp.start_time AS startTime, pp.end_time AS endTime " +
+                "FROM postproblem pp " +
+                "JOIN problem p ON pp.problem_id = p.id " +
+                "WHERE pp.class_id IN (?)";
+
+        // 将classIds转换为逗号分隔的字符串
+        String classIdsStr = classIds.toString().replace("[", "").replace("]", "");
+
+        // 执行查询
+        List<PMProblem> problems = jdbcTemplate.query(
+                sql,
+                new Object[]{classIdsStr},
+                new BeanPropertyRowMapper<>(PMProblem.class)
+        );
+
+        return problems;
+    }
+}

AES/src/main/java/com/example/aes/problem/model/PMProblem.java

@@ -0,0 +1,39 @@
+package com.example.aes.problem.model;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.util.Date;
+
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+public class PMProblem extends Problem implements java.io.Serializable{//继承Problems子类
+
+//    //作业problem基本属性,继承自Problem类
+//    private int Id;
+//    private int courseId;
+//    private int adminuserId;
+//    private String title;
+//    private String description;
+
+    // 作业列表分页exam
+    private int pageNum;
+    private int pageSize;
+
+
+    // (作业列表)页面上其他需要的属性
+    private Date startTime;//开始时间，来自postproblem
+    private Date endTime;//结束时间
+    private String submissonStatus;//提交状态，来自submitproblem
+    private String plagiarismStatus;//查重状态
+    private float score;//最终分数
+    private String status;//最后在页面显示的状态，取决于上面三个参数。
+
+    //(作业列表)页面需要的后台数据
+    private int studentId;//学生id
+    private int classId;//班级id
+
+
+}

AES/src/main/java/com/example/aes/problem/model/Problem.java

@@ -0,0 +1,27 @@
+package com.example.aes.problem.model;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import javax.persistence.Table;
+import java.util.Date;
+
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+@Table(name = "Problem")
+public class Problem implements java.io.Serializable{   //Problem父类
+
+    //作业problem基本属性
+    private int Id;//此处为ProblemId
+    private int courseId;
+    private int adminuserId;
+    private String title;
+    private String description;
+
+    // 作业列表分页exam
+    private int pageNum;
+    private int pageSize;
+
+}

AES/src/main/java/com/example/aes/problem/service/Impl/ProblemServiceImpl.java

@@ -0,0 +1,23 @@
+package com.example.aes.problem.service.Impl;
+
+import com.example.aes.problem.dao.ProblemDaoI;
+import com.example.aes.problem.model.PMProblem;
+import com.example.aes.problem.service.ProblemServiceI;
+import com.example.aes.user.dao.ClassesDaoI;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+@Service
+public class ProblemServiceImpl implements ProblemServiceI {
+
+    private ProblemDaoI problemDao;
+    @Autowired
+    public void setProblemDao(ProblemDaoI problemDao) {
+        this.problemDao = problemDao;
+    }
+
+    public List<PMProblem> getProblemsByClassIds(List<Integer> classIds){
+        return problemDao.findProblemsByClassIds(classIds);
+    }
+}

AES/src/main/java/com/example/aes/problem/service/ProblemServiceI.java

@@ -0,0 +1,12 @@
+package com.example.aes.problem.service;
+
+
+
+import com.example.aes.problem.model.PMProblem;
+import com.example.aes.user.model.*;
+
+import java.util.List;
+
+public interface ProblemServiceI {
+	public List<PMProblem> getProblemsByClassIds(List<Integer> classIds);
+}

AES/src/main/java/com/example/aes/user/controller/ClassesController.java

@@ -5,10 +5,7 @@ import com.example.aes.global.model.PageBean;
 import com.example.aes.global.model.RespBean;
 import com.example.aes.user.dao.ClassesDaoI;
 import com.example.aes.user.dao.ClassstudentsDaoI;
-import com.example.aes.user.model.DataGrid;
+import com.example.aes.user.model.*;
-import com.example.aes.user.model.Json;
-import com.example.aes.user.model.PMClasses;
-import com.example.aes.user.model.UClass;
 import com.example.aes.user.service.ClassesServiceI;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.transaction.annotation.Transactional;
@@ -176,4 +173,18 @@ public class ClassesController{
     }
 
 
+    @PostMapping("/findClassIdByStudentId")// 根据学生id查找班级id（暂时无用
+    public RespBean findClassIdByStudentId(HttpServletRequest request)
+    {
+        DecodeToken decodeToken = new DecodeToken(request);
+        String userId = decodeToken.getUserId();//获取学生id
+        int studentId = Integer.parseInt(userId);
+        List<Classstudents> classstudentsList = classesServiceI.findClassIdByStudentId(studentId);
+
+        if (classstudentsList == null || classstudentsList.isEmpty()) { // 如果列表为空，返回错误信息
+            return RespBean.error("没有找到相关班级");
+        }
+        else return RespBean.ok("查找班级成功", classstudentsList);
+    }
+
 }

AES/src/main/java/com/example/aes/user/dao/ClassesDaoI.java

@@ -1,12 +1,7 @@
 package com.example.aes.user.dao;
 
 
-import com.example.aes.user.model.Classes;
+import com.example.aes.user.model.*;
-
-import com.example.aes.user.model.PMClasses;
-
-import com.example.aes.user.model.PMUser;
-import com.example.aes.user.model.UClass;
 
 
 import java.util.Date;
@@ -49,4 +44,6 @@ public interface ClassesDaoI extends BaseDaoI<Classes> {
 	public long findClassStudentsByIdNum(int classId);
 	public List<PMUser> findClassStudentsByIdPage(int classId, int pageNum, int pageSize);
 	public boolean deleteClassStudentsByUserId(int classId, int userId); // 通过userId删除班级学生
+
+	public List<Classstudents>findClassIdByStudentId(int studentId);//根据班级id查找学生id
 }

AES/src/main/java/com/example/aes/user/dao/impl/ClassesDaoImpl.java

@@ -538,4 +538,12 @@ public class ClassesDaoImpl extends BaseDaoImpl<Classes> implements ClassesDaoI
 		return this.count(totalhql).longValue();
 	}
 
+	@Override
+	public List<Classstudents> findClassIdByStudentId(int studentId){
+		String hql = "from Classstudents c where c.userId=" + studentId;
+		Query q = this.getCurrentSession().createQuery(hql);
+		return q.list();
+	}
+
+
 }

AES/src/main/java/com/example/aes/user/service/ClassesServiceI.java

@@ -26,4 +26,5 @@ public interface ClassesServiceI {
 	public DataGrid findClassNotInCourse(UClass uClass, int pageNum, int pageSize); // 获取未参加课程的班级
 	public DataGrid findClassNotInCourse(int courseId,	int teacherId, int pageNum, int pageSize, boolean history); // 获取未参加课程的班级
 
+	public List<Classstudents> findClassIdByStudentId(int studentId); // 根据学生id查找班级id
 }

AES/src/main/java/com/example/aes/user/service/impl/ClassesServiceImpl.java

@@ -232,4 +232,11 @@ public void setclassstudentsDao(ClassstudentsDaoI classstudentsDao) {
 	public boolean deleteClassStudentsByUserId(int classId, int userId) {
 		return classesDao.deleteClassStudentsByUserId(classId, userId);
 	}
+
+	@Override
+	public List<Classstudents> findClassIdByStudentId(int studentId){
+		return classesDao.findClassIdByStudentId(studentId);
+	};
+
+
 }

AES/src/main/resources/application.properties

@@ -5,7 +5,7 @@ server.port=8082
 spring.datasource.type=com.alibaba.druid.pool.DruidDataSource
 jdbc_url=jdbc:mysql://localhost:3306/aes?useUnicode=true&characterEncoding=utf8&serverTimezone=GMT%2B8&useSSL=false&allowPublicKeyRetrieval=True
 jdbc_username=root
-jdbc_password=123456
+jdbc_password=13661744518xh
 #spring.datasource.url=jdbc:mysql://localhost:3306/aes?useUnicode=true&characterEncoding=utf8&serverTimezone=GMT%2B8&useSSL=false&allowPublicKeyRetrieval=True
 #spring.datasource.username=root
 #spring.datasource.password=123456