作品广场优化，将点赞前三和浏览量前三的作品放在第一页的最前面

src/main/java/com/ai/da/common/utils/RedisUtil.java

@@ -7,10 +7,7 @@ import org.springframework.stereotype.Component;
 import org.springframework.util.CollectionUtils;
 
 import javax.annotation.Resource;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
+import java.util.*;
 import java.util.concurrent.TimeUnit;
 import java.util.stream.Collectors;
 
@@ -154,6 +151,8 @@ public class RedisUtil {
         return redisTemplate.keys(key);
     }
 
+    public Long getSize(String key){return redisTemplate.opsForSet().size(key);}
+
     public List<String> getMultiValue(Set<String> keys){
         return redisTemplate.opsForValue().multiGet(keys);
     }
@@ -216,4 +215,17 @@ public class RedisUtil {
         return redisTemplate.opsForValue().increment(key, 0);
     }
 
+    public Long getViewCount(String key) {
+        Object value = redisTemplate.opsForValue().get(key);
+        if (value instanceof Integer) {
+            return Long.valueOf((Integer) value);
+        } else if (value instanceof Long) {
+            return (Long) value;
+        } else if (value instanceof String) {
+            return Long.valueOf((String) value);
+        } else {
+            throw new IllegalArgumentException("Unexpected value type");
+        }
+    }
+
 }