perf: 集成 Spring Cache，优化查询用户昵称性能

continew-admin-common/src/main/java/top/charles7c/cnadmin/common/config/RedissonConfiguration.java

@@ -21,6 +21,7 @@ import lombok.extern.slf4j.Slf4j;
 
 import org.redisson.codec.JsonJacksonCodec;
 import org.redisson.spring.starter.RedissonAutoConfigurationCustomizer;
+import org.springframework.cache.annotation.EnableCaching;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 
@@ -33,6 +34,7 @@ import com.fasterxml.jackson.databind.ObjectMapper;
  * @since 2022/12/28 23:17
  */
 @Slf4j
+@EnableCaching
 @Configuration
 @RequiredArgsConstructor
 public class RedissonConfiguration {

continew-admin-common/src/main/java/top/charles7c/cnadmin/common/constant/CacheConsts.java

@@ -42,4 +42,9 @@ public class CacheConsts {
      * 限流键前缀
      */
     public static final String LIMIT_KEY_PREFIX = "LIMIT";
+
+    /**
+     * 用户缓存键前缀
+     */
+    public static final String USER_KEY_PREFIX = "USER";
 }