JAVA大数据的第四十四天——Spring

虽然过程有点曲折但最终还是做出来了！

package cn.kgc.dao;

import cn.kgc.entity.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 org.junit.Test;

import java.io.*;

import static org.junit.Assert.*;

public class UserDaoTest {
    SqlSessionFactoryBuilder builder=new SqlSessionFactoryBuilder();
    Reader reader=Resources.getResourceAsReader("mybatis-cfg.xml");
    SqlSessionFactory factory= builder.build(reader);
    SqlSession session=factory.openSession(true);

    public UserDaoTest() throws IOException {
    }

    @Test  //查看信息
    public void getUserByName() throws IOException {
        User user=session.getMapper(UserDao.class).getUserByName("zhangsan");
        System.out.println(user);
    }

    @Test
    public void addUser() {   //增加信息
        session.getMapper(UserDao.class).addUser("嬴政","123");
        //session.commit();
    }

    @Test
    public void update() {   //改变信息
        session.getMapper(UserDao.class).update("王井","123");
       // session.commit();
    }

    @Test
    public void delete() {   //删除信息
        session.getMapper(UserDao.class).delete("zhaoqi","12");
        session.commit();
    }
}