src/main/java/com/example/g8backend/service/UserServiceImpl.java

package com.example.g8backend.service;

import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.example.g8backend.entity.User;
import com.example.g8backend.mapper.UserMapper;
import jakarta.annotation.Resource;
import org.springframework.stereotype.Service;

@Service
public class UserServiceImpl extends ServiceImpl<UserMapper, User> implements IUserService {
    @Resource
    private UserMapper userMapper; // 手动注入 UserMapper

    @Override
    public User getUserByName(String name) {
        return userMapper.getUserByName(name); // 调用 UserMapper 的自定义 SQL
    }
}