package com.example.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.example.BusinessException;
import com.example.bean.User;
import com.example.mapper.UserMapper;
import com.example.service.UserService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;

/**
 * <p>
 *  服务实现类
 * </p>
 *
 * @author aqian666
 * @since 2019-09-24
 */
@Service
public class UserServiceImpl extends ServiceImpl<UserMapper, User> implements UserService {

    @Resource
    private UserMapper userMapper;

    @Override
    public User selectUserByName(String username) {
        QueryWrapper<User> queryWrapper = new QueryWrapper<>();
        queryWrapper.lambda().eq(User::getUsername,username);
        return userMapper.selectOne(queryWrapper);
    }
}