class id 不允许null

src/main/java/com/yunhai/bschclassmanage/controller/api/SchStudentController.java

@@ -21,6 +21,7 @@ import com.yunhai.bschclassmanage.service.ISchClassService;
 import com.yunhai.bschclassmanage.service.ISchStudentService;
 import com.yunhai.bschclassmanage.utils.EasyPoiUtils;
 import com.yunhai.bschclassmanage.utils.UserContext;
+import com.yunhai.platform.utils.exception.DException;
 import org.apache.poi.ss.usermodel.Workbook;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.data.domain.Pageable;
@@ -76,6 +77,14 @@ public class SchStudentController extends BaseController {
                                                        @RequestParam(required = false) Integer classId,
                                                        @RequestParam(required = false) String keyword,
                                                        Pageable pageable) {
+        if(gradeId==null)
+        {
+            throw new DException("年级ID不允许为空");
+        }
+        if(classId==null||classId<=0)
+        {
+            throw new DException("班级ID不允许为空");
+        }
         return schStudentService.searchBaseSchStudentVO(UserContext.getSchId(),schsystemId,gradeId,classId,keyword,false,pageable);
     }