bug修复

src/main/java/com/xjrsoft/module/banding/service/impl/BandingTaskServiceImpl.java

@@ -142,7 +142,7 @@ public class BandingTaskServiceImpl extends MPJBaseServiceImpl<BandingTaskMapper
         }
         //1、查询需要分班的学生信息
         List<String> orderColumn = new ArrayList();
-        orderColumn.add("height");orderColumn.add("score");
+        orderColumn.add("score");
         List<BaseNewStudent> baseNewStudents = newStudentService.selectJoinList(BaseNewStudent.class,
                 new MPJLambdaWrapper<BaseNewStudent>()
                         .select(BaseNewStudent::getId)
@@ -420,6 +420,15 @@ public class BandingTaskServiceImpl extends MPJBaseServiceImpl<BandingTaskMapper
                                                          List<BandingTaskClass> classList){
         Map<Long, List<BaseNewStudent>> classStudentMap = new HashMap<>();
         for (Long majorSetId : classConditionMap.keySet()) {
+            //查询该专业下面有几个班级，把这部分学生按照成绩均匀分组
+            List<List<BaseNewStudent>> result = new ArrayList<>();
+            for (int i = 0; i < classList.size(); i++) {
+                result.add(new ArrayList<>());
+            }
+            if(result.size() == 1){
+                continue;
+            }
+
             // 1、先把每个专业匹配的学生分组存一起，并按照分数高低排序
             List<BaseNewStudent> stuList = new ArrayList<>();
 
@@ -460,15 +469,9 @@ public class BandingTaskServiceImpl extends MPJBaseServiceImpl<BandingTaskMapper
                 Collections.sort(stuList, (s1, s2) -> (int) (s2.getScore().doubleValue() - s1.getScore().doubleValue())); //按照成绩降序排序
             }
 
-            //查询该专业下面有几个班级，把这部分学生按照成绩均匀分组
-            List<List<BaseNewStudent>> result = new ArrayList<>();
-            for (int i = 0; i < classList.size(); i++) {
-                result.add(new ArrayList<>());
-            }
-
             for (int i = 0; i < stuList.size(); i++) {
                 BaseNewStudent currentStudent = stuList.get(i);
-                int classIndex = i % classList.size(); //分配班级
+                int classIndex = i % result.size(); //分配班级
                 result.get(classIndex).add(currentStudent);
             }