feat: 用户服务通用接口新增查询用户昵称接口

ruoyi-common/src/main/java/com/ruoyi/common/constant/CacheNames.java

@@ -35,6 +35,11 @@ public interface CacheNames {
      */
     String SYS_USER_NAME = "sys_user_name#30d";
 
+    /**
+     * 用户昵称
+     */
+    String SYS_NICK_NAME = "sys_nick_name#30d";
+
     /**
      * 部门
      */

ruoyi-common/src/main/java/com/ruoyi/common/core/service/UserService.java

@@ -15,4 +15,12 @@ public interface UserService {
      */
     String selectUserNameById(Long userId);
 
+    /**
+     * 通过用户ID查询用户昵称
+     *
+     * @param userId 用户ID
+     * @return 用户昵称
+     */
+    String selectNickNameById(Long userId);
+
 }

ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysUserServiceImpl.java

@@ -482,4 +482,12 @@ public class SysUserServiceImpl implements ISysUserService, UserService {
         return ObjectUtil.isNull(sysUser) ? null : sysUser.getUserName();
     }
 
+    @Cacheable(cacheNames = CacheNames.SYS_NICK_NAME, key = "#userId")
+    @Override
+    public String selectNickNameById(Long userId) {
+        SysUser sysUser = baseMapper.selectOne(new LambdaQueryWrapper<SysUser>()
+            .select(SysUser::getNickName).eq(SysUser::getUserId, userId));
+        return ObjectUtil.isNull(sysUser) ? null : sysUser.getNickName();
+    }
+
 }