MyBatis(3.2.3) - Integration with Spring

package com.huey.hello.mybatis.beans;

import java.io.Serializable;

import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;

@Data
@NoArgsConstructor
@AllArgsConstructor
public class Department implements Serializable {
    /**
     * 
     */
    private static final long serialVersionUID = 1L;
    
    private int did;
    private String deptName;
    private String address;
    private String tel;
}

package com.huey.hello.mybatis.mapper;

import com.huey.hello.mybatis.beans.Department;

public interface DepartmentMapper {
    
    public int insertDepartment(Department department);
    
    public Department getDepartmentById(int did);
    
}

<?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">

<!--注意：此处的命名空间是 DepartmentMapper 的全限定类名-->
<mapper namespace="com.huey.hello.mybatis.mapper.DepartmentMapper">

    <cache size="512"></cache>

    <!-- ResultMaps 被用来将 SQL SELECT 语句的结果集映射到 JavaBean 的属性中 -->
    <resultMap type="Department" id="deptMap">
        <!-- 映射主键 -->
        <id property="did" column="did" />
        <!-- 映射普通字段 -->
        <result property="deptName" column="dept_name"/>
        <result property="address" column="address"/>
        <result property="tel" column="tel"/>
    </resultMap>

    <!-- 添加部门记录 -->
    <!-- id 名称需要与 DepartmentMapper 中的方法签名一致 -->
    <!-- Department 这一别名在 mybatis-config.xml 中配置 -->
    <insert id="insertDepartment" parameterType="Department" useGeneratedKeys="true" keyProperty="did">
        insert into department(dept_name, address, tel)
        values(#{deptName}, #{address}, #{tel})
    </insert>
    
    <!-- 根据 ID 查询部门记录 -->
    <select id="getDepartmentById" parameterType="int" resultMap="deptMap" useCache="true">
        select * from department where did=#{did}
    </select>

</mapper>

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN" 
"http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>

    <!-- 设置别名 -->
    <typeAliases>
        <typeAlias type="com.huey.hello.mybatis.beans.Department" alias="Department" />
        <typeAlias type="com.huey.hello.mybatis.beans.Employee" alias="Employee" />
    </typeAliases>

    <environments default="development">
        <environment id="development">
            <transactionManager type="JDBC" />
            <!-- 配置数据源 -->
            <dataSource type="POOLED">
                <property name="driver" value="com.mysql.jdbc.Driver" />
                <property name="url" value="jdbc:mysql://localhost/mybatis" />
                <property name="username" value="root" />
                <property name="password" value="root" />
            </dataSource>
        </environment>
    </environments>

    <!-- mapper 对应的 xml 配置文件 -->
    <mappers>
        <package name="com.huey.hello.mybatis.mapper"/>
    </mappers>
    
</configuration>

jdbc.driverClassName=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost/mybatis
jdbc.username=root
jdbc.password=root

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:aop="http://www.springframework.org/schema/aop"
    xmlns:context="http://www.springframework.org/schema/context" xmlns:tx="http://www.springframework.org/schema/tx"
    xsi:schemaLocation="
     http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
     http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
     http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd 
     http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd">

    <!-- 启动@AspectJ支持 -->
    <aop:aspectj-autoproxy proxy-target-class="true" />
    <!-- 自动扫描指定包及其子包下的所有Bean类 -->
    <context:component-scan base-package="com.huey.hello.mybatis" />
    <!-- 将配置值具体化到一个属性文件中，并且使用属性文件的key名作为占位符 -->
    <context:property-placeholder location="classpath:jdbc.properties" />

    <!-- 配置数据源  -->
    <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
        <property name="driverClassName" value="${jdbc.driverClassName}" />
        <property name="url" value="${jdbc.url}" />
        <property name="username" value="${jdbc.username}" />
        <property name="password" value="${jdbc.password}" />
    </bean>

    <!-- 配置 SqlSessionFactory 交由 Spring 管理 -->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource" />
        <property name="configLocation" value="classpath:mybatis-config.xml" />
    </bean>
    
    <!-- 配置 SqlSession -->
    <bean id="sqlSession" class="org.mybatis.spring.SqlSessionTemplate" scope="prototype">
        <constructor-arg index="0" ref="sqlSessionFactory" />
    </bean>

    <!-- 扫描并注册包中的映射器  Mapper 接口 -->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="basePackage" value="com.huey.hello.mybatis.mapper" />
    </bean>

    <!-- 将事务交由 Spring 管理 -->
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource" />
    </bean>

    <!-- 启用 Spring @Transactional 注解 -->
    <tx:annotation-driven />

</beans>

package com.huey.hello.mybatis.serv;

import javax.annotation.Resource;

import org.apache.ibatis.session.SqlSession;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import com.huey.hello.mybatis.beans.Department;
import com.huey.hello.mybatis.mapper.DepartmentMapper;

@Service("deptService")
@Transactional
public class DepartmentService {
    
    @Resource
    SqlSession sqlSession;
    
    public int createDepartment(Department department) {
        int result = 0;
        DepartmentMapper deptMapper = sqlSession.getMapper(DepartmentMapper.class);
        result = deptMapper.insertDepartment(department);
        return result;
    }
    
    public Department getDepartmentById(int did) {
        Department department = null;
        DepartmentMapper deptMapper = sqlSession.getMapper(DepartmentMapper.class);
        department = deptMapper.getDepartmentById(did);
        return department;
    }

}

package com.huey.hello.spring;

import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.AbstractJUnit4SpringContextTests;

@ContextConfiguration(locations={"classpath*:applicationContext*.xml"})
public class SpringTest extends AbstractJUnit4SpringContextTests {

}

package com.huey.hello.mybatis.serv;

import org.junit.Test;
import org.springframework.beans.factory.annotation.Autowired;

import com.huey.hello.mybatis.beans.Department;
import com.huey.hello.spring.SpringTest;

public class DepartmentServiceTest extends SpringTest {
    
    @Autowired
    DepartmentService deptService;
    
    @Test
    public void testCreateDepartment() {
        Department department = new Department(0, "组织部", "XX 路 ZZ 号", "011-99999");
        deptService.createDepartment(department);
        System.out.println(department);
    }
    
    @Test
    public void testGetDepartmentById() throws Exception {
        int did = 1001;
        Department department = deptService.getDepartmentById(did);
        if (department != null) {
            System.out.println(department);
        }
    }

}