feat：vip课双11活动

mec-teacher/src/main/java/com/ym/mec/teacher/controller/VipGroupActivityController.java

@@ -15,10 +15,8 @@ import org.apache.commons.lang3.StringUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
 
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.List;
-import java.util.Objects;
+import java.util.*;
+import java.util.stream.Collectors;
 
 /**
  * @Author Joburgess
@@ -70,6 +68,9 @@ public class VipGroupActivityController extends BaseController {
             if(Objects.isNull(sysConfig)|| StringUtils.isBlank(sysConfig.getParanValue())){
                 return succeed(Collections.EMPTY_LIST);
             }
+            Set<Integer> specialActivityIds = Arrays.stream(sysConfig.getParanValue().split(",")).map(Integer::valueOf).collect(Collectors.toSet());
+            List<VipGroupActivity> results = vipGroupActivities.stream().filter(e -> specialActivityIds.contains(e.getId())).collect(Collectors.toList());
+            return succeed(results);
         }
         return succeed(vipGroupActivities);
     }