Mybatis测试类（创建工厂）

import com.**.IUserDao;
import com.**.domain.User;
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.InputStream;
import java.util.List;

/**
 * @program: mybatis_day01
 * @description: Mybatis测试类
 * @Author: 小白白
 * @create: 2019/12/03 - 8:49
 **/
public class MyBatisTest {
    public static void main(String[] args) throws Exception{
        //1.读取配置文件
        InputStream in = Resources.getResourceAsStream("SqlMapperConfig.xml");
        //2.创建SqlSessionFactory工厂
        SqlSessionFactoryBuilder builder = new SqlSessionFactoryBuilder();
        SqlSessionFactory factory = builder.build(in);
        //3.使用工厂生产SqlSession对象
        SqlSession session= factory.openSession();
        //4.使用SqlSession创建Dao接口的代理对象
        IUserDao iUserDao = session.getMapper(IUserDao.class);
        //5.使用代理对象执行方法
        List<User>  users = IUserDao.findAll();
        for (User user : users){
            System.out.println(users);
        }
        //6.释放资源
        session. close();
        in.close();
    }
}