<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN" "http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration><environments default="development"><environment id="development"><transactionManager type="JDBC" /><dataSource type="POOLED"><property name="driver" value="com.mysql.cj.jdbc.Driver" /><property name="url" value="jdbc:mysql://localhost:3306/mybatis?serverTimezone=GMT%2B8&amp;useSSL=false&amp;useUnicode=true&amp;characterEncoding=utf8" /><property name="username" value="root" /><property name="password" value="1234" /></dataSource></environment></environments><mappers><mapper class="com.practice.mapper.UsersMapper"/></mappers>
</configuration>

package com.practice.Test;import com.practice.bean.Users;
import com.practice.mapper.UsersMapper;import org.apache.ibatis.io.Resources;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;import java.io.IOException;
import java.io.InputStream;public class Test2 {public static void main(String[] args) throws IOException {String resource = "mybatisconfig.xml";InputStream is = Resources.getResourceAsStream(resource);SqlSessionFactory sessionFactory = new SqlSessionFactoryBuilder().build(is);SqlSession session = sessionFactory.openSession();UsersMapper mapper = session.getMapper(UsersMapper.class);Users user = mapper.getByName("瓦房店");session.close();System.out.println(user.getId());}
}

<properties><maven.compiler.source>1.8</maven.compiler.source><maven.compiler.target>1.8</maven.compiler.target>
</properties>