CatchTheLettersBackend/src/main/java/com/example/catchTheLetters/service/LevelService.java

package com.example.catchTheLetters.service;

import com.example.catchTheLetters.entity.Level;
import com.example.catchTheLetters.utils.R;

import java.util.List;

/**
 * @author 慕华
 * @date 2024/4/10
 * @Version 1.0
 * @description
 */
public interface LevelService {

    R<Level> levelDetail(Long id);

    R<List<Level>> list();
}