123333

ruoyi-cai/src/main/java/com/ruoyi/cai/manager/HomeManager.java

@@ -18,6 +18,7 @@ import org.redisson.api.RedissonClient;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 
+import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 
@@ -93,6 +94,9 @@ public class HomeManager {
         Collections.shuffle(vos);
         Integer pageNum = pageQuery.getPageNum();
         int startIndex = (pageNum - 1) * pageQuery.getPageSize();
+        if(startIndex > vos.size()){
+            return Collections.emptyList();
+        }
         int endIndex = Math.min(startIndex+pageQuery.getPageSize(), vos.size());
         return vos.subList(startIndex, endIndex);
     }