使用MyBatis(三)使用xml查询表中所有数据

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.yw.test03.UserMapper">
<select id="selectUser" resultType="com.yw.test01.User">
select * from user where id = #{id}
</select>
<select id="selectAllUser" resultType="com.yw.test01.User">
select * from user
</select>
</mapper>

selectAllUser

package com.yw.test03;

import java.io.IOException;
import java.io.InputStream;
import java.util.List;

import org.apache.ibatis.io.Resources;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;

public class Test01
{
public static void main(String[] args) throws IOException
{

String resource = "com/yw/test03/mybatis-config.xml";
InputStream inputStream = Resources.getResourceAsStream(resource);
SqlSessionFactory sqlSessionFactory = new SqlSessionFactoryBuilder().build(inputStream);

SqlSession session = sqlSessionFactory.openSession();
try {
//		  User user = (User) session.selectOne("com.yw.test01.UserMapper.selectUser", 1);
//		  System.out.println(user);

List users=session.selectList("com.yw.test03.UserMapper.selectAllUser");
System.out.println(users);

} finally {
session.close();
}
}
}

List users=session.selectList("com.yw.test03.UserMapper.selectAllUser");
System.out.println(users);