解决报错

src/main/java/com/xjrsoft/module/room/service/impl/RoomBedServiceImpl.java

@@ -549,9 +549,9 @@ public class RoomBedServiceImpl extends MPJBaseServiceImpl<RoomBedMapper, RoomBe
     @Override
     public Boolean adjustBedBatch(List<AdjustStudentBedDto> dtoList) {
         //存分配到女生寝室的男生名字
-        List<String> boyStudents = new ArrayList<>();
+        Set<String> boyStudents = new HashSet<>();
         //存分配到男生寝室的女生名字
-        List<String> girlStudents = new ArrayList<>();
+        Set<String> girlStudents = new HashSet<>();
         //需要清空床位的学生
         List<AdjustStudentBedDto> todoStudents = new ArrayList<>();
 
@@ -621,29 +621,33 @@ public class RoomBedServiceImpl extends MPJBaseServiceImpl<RoomBedMapper, RoomBe
             }
         }else{
             String boyMsg = "学生";
-            for (int i = 0; i < boyStudents.size(); i ++){
+            int i = 0;
+            for (String boyStudent : boyStudents) {
                 if(i > 0){
                     boyMsg += "、";
                 }
-                boyMsg += boyStudents.get(i);
+                boyMsg += boyStudent;
+                i ++;
             }
             boyMsg += "被分配到女生寝室";
 
             String girlMsg = "学生";
-            for (int i = 0; i < girlStudents.size(); i ++){
+            i = 0;
+            for (String girlStudent : girlStudents) {
                 if(i > 0){
                     girlMsg += "、";
                 }
-                girlMsg += girlStudents.get(i);
+                girlMsg += girlStudent;
+                i ++;
             }
-            girlMsg += "被分配到女生寝室";
+            girlMsg += "被分配到男生寝室";
 
             String moreBedMsg = "学生";
-            for (int i = 0; i < moreBedStudents.size(); i ++){
-                if(i > 0){
+            for (int j = 0; i < moreBedStudents.size(); j ++){
+                if(j > 0){
                     moreBedMsg += "、";
                 }
-                moreBedMsg += moreBedStudents.get(i);
+                moreBedMsg += moreBedStudents.get(j);
             }
             moreBedMsg += "被分配多个床位";
             throw new MyException(boyMsg + "；" + girlMsg + "；" + moreBedMsg);