1、课堂作业与课外训练添加是否及时点评

mec-biz/src/main/java/com/ym/mec/biz/service/impl/StudentCourseHomeworkServiceImpl.java

@@ -26,6 +26,7 @@ import com.ym.mec.thirdparty.message.MessageSenderPluginContext;
 import com.ym.mec.thirdparty.message.MessageSenderPluginContext.MessageSender;
 import com.ym.mec.util.collection.MapUtil;
 import com.ym.mec.util.date.DateUtil;
+import org.apache.commons.lang3.StringUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -83,6 +84,9 @@ public class StudentCourseHomeworkServiceImpl extends BaseServiceImpl<Long, Stud
     @Override
     @Transactional(rollbackFor = Exception.class)
     public void submitHomework(StudentCourseHomework bean) {
+        if(Objects.isNull(bean.getAttachments())||StringUtils.isBlank(bean.getAttachments())){
+            throw new BizException("请选择作业");
+        }
         StudentCourseHomework existHomework = studentCourseHomeworkDao.get(bean.getId());
         if (Objects.isNull(bean) || Objects.isNull(bean.getId()) || Objects.isNull(existHomework)) {
             throw new BizException("作业不存在");