package com.example.springboot.service;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import com.example.springboot.entity.User;
import com.example.springboot.mapper.UserMapper;

@Service
public class UserService {
    @Autowired
    private UserMapper userMapper;

    public void Save(User user) {
        if (user.getId() == null) {
            userMapper.insert(user);
        } else {
            userMapper.update(user);
        }
    }
}