给撤回按钮加了点判断逻辑。

AES-front/src/views/user/report-submit/components/report-actions.vue

@@ -118,8 +118,7 @@ const onWithdraw = () => { //撤回提交
       emit('clickWithdraw');
       ElMessage.success('撤回成功！');
     } catch (error) {
-      console.error("Failed to Withdraw:", error);
-      ElMessage.error('撤回时发生错误！');
+
     }
   }).catch(() => {
     // 用户取消撤回

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

@@ -466,8 +466,15 @@ public class ProblemController {
         String UserId = decodeToken.getUserId();
         int userId = Integer.parseInt(UserId);
         submitReport.setStudentId(userId);
-
         if (problemServiceI.findReportSubmitted(submitReport)) {
+            String submissionstatus=problemServiceI.findReportSubmittedStatus(submitReport);
+            if(submissionstatus.equals("2")){
+                return RespBean.error("实验报告已撤回！");
+            }
+            else if(submissionstatus.equals("0")){
+                return RespBean.error("尚未提交实验报告！");
+            }
+            else{
             boolean result = problemServiceI.withdrawSubmitInfo(submitReport);
             if (result) {
                 return RespBean.ok("撤回信息更新成功");
@@ -475,6 +482,7 @@ public class ProblemController {
                 return RespBean.error("撤回信息更新失败");
             }
         }
+        }
         else{
             return RespBean.error("未找到该学生提交信息！");
         }

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

@@ -24,4 +24,5 @@ public interface SubmitReportDaoI extends BaseDaoI<SubmitReport> {
     public boolean updateReportSubmitted(SubmitReport submitReport);
     public boolean updateReportSubmittedForSubmission(SubmitReport submitReport);
     public boolean withdrawReportSubmitted(SubmitReport submitReport);
+    public String getReportSubmittedStatus(SubmitReport submitReport);
 }

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

@@ -357,4 +357,24 @@ public class SubmitReportDaoImpl extends BaseDaoImpl<SubmitReport> implements Su
             return false;
         }
     }
+
+    @Override
+    public String getReportSubmittedStatus(SubmitReport submitReport) {
+        Session session = this.getCurrentSession();
+        String submissionStatus = null; // 默认为 null，表示没有找到状态或发生错误
+        try {
+            // 构建查询语句
+            String hql = "SELECT submissionStatus FROM SubmitReport WHERE problemId = :problemId AND studentId = :studentId AND adminuserId = :adminuserId";
+
+            Query<String> query = session.createQuery(hql, String.class);
+            query.setParameter("problemId", submitReport.getProblemId());
+            query.setParameter("studentId", submitReport.getStudentId());
+            query.setParameter("adminuserId", submitReport.getAdminuserId());
+
+            submissionStatus = query.uniqueResult();
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return submissionStatus;
+    }
 }

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

@@ -510,6 +510,11 @@ public int redoReport(PMReviewMessage pmReviewMessage){
         return studentSubmitDao.withdrawReportSubmitted(submitReport);
     }
 
+    @Override
+    public String findReportSubmittedStatus(SubmitReport submitReport) {
+        return studentSubmitDao.getReportSubmittedStatus(submitReport);
+    }
+
     @Override
     public int editPostProblem(int classId,
                                int problemId,LocalDateTime startTime,LocalDateTime endTime,boolean allow){

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

@@ -61,4 +61,5 @@ public interface ProblemServiceI {
 	boolean updateSubmitInfoToProps(SubmitReport submitReport);//学生更新报告信息（保存，之前保存过）
 	boolean updateSubmitInfoForSubmission(SubmitReport submitReport);//学生提交报告
 	boolean withdrawSubmitInfo(SubmitReport submitReport);//学生撤回报告
+	String findReportSubmittedStatus(SubmitReport submitReport);//查询该学生之前已经提交过该问题的报告状态
 }