<?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.atchina.dao.IUserDao"><!-- 保存用戶 --><insert id="saveUser" parameterType="com.atchina.domain.User"><selectKey keyColumn="id" keyProperty="id" resultType="String" order="AFTER">select last_insert_id();</selectKey>insert into user(username, birthday, sex, address)values ( #{username}, #{birthday}, #{sex}, #{address})</insert></mapper>

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package com.atchina.test;import com.atchina.dao.IUserDao; import com.atchina.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 org.junit.After; import org.junit.Before; import org.junit.Test;import java.io.InputStream; import java.util.Date; import java.util.List;public class MybatisTest {InputStream in = null;SqlSessionFactory sessionFactory = null;SqlSession sqlSession = null;IUserDao userDao = null;@Beforepublic void init() throws Exception{in = Resources.getResourceAsStream("SqlMapperConfig.xml");sessionFactory = new SqlSessionFactoryBuilder().build(in);sqlSession = sessionFactory.openSession();userDao = sqlSession.getMapper(IUserDao.class);}@Testpublic void testSave(){User u = new User();u.setUsername("天下");u.setBirthday(new Date());u.setSex("男");u.setAddress("梁山");System.out.println("保存之前:"+u);userDao.saveUser(u);System.out.println("保存之后:"+u);}@Afterpublic void destroy() throws Exception{// 提交sqlSession.commit();// 釋放資源sqlSession.close();in.close();} }

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