Revert "feat(novel-front): 会员注册自动生成初始随机昵称"

This reverts commit 23ec63ef0b.

novel-front/src/main/java/com/java2nb/novel/service/impl/UserServiceImpl.java

@@ -29,7 +29,6 @@ import org.springframework.transaction.annotation.Transactional;
 
 import java.util.Date;
 import java.util.List;
-import java.util.concurrent.ThreadLocalRandom;
 
 import static com.java2nb.novel.mapper.BookDynamicSqlSupport.id;
 import static com.java2nb.novel.mapper.UserBookshelfDynamicSqlSupport.userBookshelf;
@@ -78,8 +77,7 @@ public class UserServiceImpl implements UserService {
         //数据库生成注册记录
         Long id = idWorker.nextId();
         entity.setId(id);
-        //注册时生成随机昵称，避免直接展示手机号
-        entity.setNickName(generateRandomNickName());
+        entity.setNickName(entity.getUsername());
         Date currentDate = new Date();
         entity.setCreateTime(currentDate);
         entity.setUpdateTime(currentDate);
@@ -93,15 +91,6 @@ public class UserServiceImpl implements UserService {
         return userDetails;
     }
 
-    /**
-     * 生成随机昵称，格式：书友 + 6 位随机数字。
-     * 用户后续可在账号设置里修改昵称。
-     */
-    private String generateRandomNickName() {
-        int random = ThreadLocalRandom.current().nextInt(100000, 1000000);
-        return "书友" + random;
-    }
-
     @Override
     public UserDetails login(User user) {
         //根据用户名密码查询记录