Mybatis测试代码

import com.scott.dao.UserDao;
import com.scott.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.IOException;
import java.io.InputStream;
import java.util.List;

/**
 * @ClassName: MybatisTest
 * @description:
 * @date: 2020/6/17 9:10 PM
 * @author: Scott
 * @version: 1.0
 */
public class MybatisTest {
    /**
     * 入门案例
     * @param args
     */
    public static void main(String[] args) throws IOException {
        //1. 读取配置文件
        InputStream is = Resources.getResourceAsStream("SqlMapConfig.xml");
        //2. 创建SqlSessionFactory工厂
        SqlSessionFactoryBuilder builder = new SqlSessionFactoryBuilder();
        SqlSessionFactory factory = builder.build(is);
        //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
        UserDao userDao = session.getMapper(UserDao.class);
        //5. 使用代理对象执行方法
        List<User> users = userDao.findAll();

        for (User u: users) {
            System.out.println(u);
        }
        //6. 释放资源
        session.close();
        is.close();
    }
}