fix 学生不存在时候加课报错

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

@@ -1298,9 +1298,13 @@ public class ClassGroupServiceImpl extends BaseServiceImpl<Integer, ClassGroup>
         //检测新排课冲突
         courseScheduleService.checkNewCourseSchedules(courseScheduleList, false);
         //老师结算表
-        courseScheduleTeacherSalaryService.batchInsert(courseScheduleTeacherSalaryList);
+        if(courseScheduleTeacherSalaryList.size() > 0) {
+            courseScheduleTeacherSalaryService.batchInsert(courseScheduleTeacherSalaryList);
+        }
         //学生结算表
-        courseScheduleStudentPaymentDao.batchInsert(courseScheduleStudentPaymentList);
+        if(courseScheduleStudentPaymentList.size() > 0) {
+            courseScheduleStudentPaymentDao.batchInsert(courseScheduleStudentPaymentList);
+        }
         return classGroup;
     }
 
@@ -1538,10 +1542,14 @@ public class ClassGroupServiceImpl extends BaseServiceImpl<Integer, ClassGroup>
         }
 
         //老师结算表
-        courseScheduleTeacherSalaryService.batchInsert(courseScheduleTeacherSalaryList);
+        if(courseScheduleTeacherSalaryList.size() > 0) {
+            courseScheduleTeacherSalaryService.batchInsert(courseScheduleTeacherSalaryList);
+        }
 
         //学生结算表
-        courseScheduleStudentPaymentDao.batchInsert(courseScheduleStudentPaymentList);
+        if(courseScheduleStudentPaymentList.size() > 0) {
+            courseScheduleStudentPaymentDao.batchInsert(courseScheduleStudentPaymentList);
+        }
         return classGroup;
     }
 
@@ -1788,10 +1796,14 @@ public class ClassGroupServiceImpl extends BaseServiceImpl<Integer, ClassGroup>
         courseScheduleService.checkSnapCourseShchedules(courseScheduleList);
 
         //老师结算表
-        courseScheduleTeacherSalaryService.batchInsert(courseScheduleTeacherSalaryList);
+        if(courseScheduleTeacherSalaryList.size() > 0) {
+            courseScheduleTeacherSalaryService.batchInsert(courseScheduleTeacherSalaryList);
+        }
 
         //学生结算表
-        courseScheduleStudentPaymentDao.batchInsert(courseScheduleStudentPaymentList);
+        if(courseScheduleStudentPaymentList.size() > 0) {
+            courseScheduleStudentPaymentDao.batchInsert(courseScheduleStudentPaymentList);
+        }
         return classGroup;
     }