public class UserMapperTest {

private ApplicationContext applicationContext;

    @Before

    public void init() throws Exception {

        //初始化spring容器

        applicationContext = new ClassPathXmlApplicationContext("classpath:spring/applicationContext.xml");

    }

    @Test

    public void testDeleteByPrimaryKey() {

        fail("Not yet implemented");

    }

    @Test

    public void testInsert() {

        UserMapper userMapper = applicationContext.getBean(UserMapper.class);

        User user = new User();

        user.setUsername("武大郎");

        user.setSex("1");

        user.setBirthday(new Date());

        user.setAddress("河北清河县");

        userMapper.insert(user);

    }

    @Test

    public void testSelectByExample() {

        UserMapper userMapper = applicationContext.getBean(UserMapper.class);

        UserExample example = new UserExample();

        //Criteria criteria = example.createCriteria();

        //criteria.andUsernameLike("%张%");

        //执行查询

        List<User> list = userMapper.selectByExample(example);

        for (User user : list) {

            System.out.println(user);

        }

    }

    @Test

    public void testSelectByPrimaryKey() {

        UserMapper userMapper = applicationContext.getBean(UserMapper.class);

        User user = userMapper.selectByPrimaryKey(10);

        System.out.println(user);

    }

    @Test

    public void testUpdateByPrimaryKey() {

        fail("Not yet implemented");

    }

}

<?xml version="1.0" encoding="UTF-8"?>

<beans xmlns="http://www.springframework.org/schema/beans"

    xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p"

    xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"

    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd

    http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd

    http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd

    http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd">

    <!-- 加载配置文件 -->

    <context:property-placeholder location="classpath:db.properties" />

    <!-- 数据库连接池 -->

    <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"

        destroy-method="close">

        <property name="driverClassName" value="${jdbc.driver}" />

        <property name="url" value="${jdbc.url}" />

        <property name="username" value="${jdbc.username}" />

        <property name="password" value="${jdbc.password}" />

        <property name="maxActive" value="10" />

        <property name="maxIdle" value="5" />

    </bean>

    <!-- sqlSessonFactory的配置 -->

    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">

        <!-- 配置数据库连接池 -->

        <property name="dataSource" ref="dataSource"></property>

        <!-- 加载配置文件 -->

        <property name="configLocation" value="classpath:mybatis/SqlMapConfig.xml"></property>

    </bean>

    <!-- 传统dao的配置方法 -->

    <bean id="userDaoImpl" class="cn.itheima.mybatis.dao.impl.UserDaoImpl">

        <!-- 注入sqlSessionFactory -->

        <property name="sqlSessionFactory" ref="sqlSessionFactory"/>

    </bean>

    <!-- mapper代理形式dao的配置 -->

    <!-- 第一种方法，配置代理对象 -->

    <!-- <bean id="userMapper" class="org.mybatis.spring.mapper.MapperFactoryBean">

        设置代理的mapper接口

        <property name="mapperInterface" value="cn.itheima.mybatis.mapper.UserMapper"></property>

        注入sqlSessionFactory

        <property name="sqlSessionFactory" ref="sqlSessionFactory"/>

    </bean> -->

    <!-- 配置包扫描器 -->

    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">

        <!-- 配置要扫描的包 ，如果扫描多个包使用半角逗号分隔-->

        <!-- <property name="basePackage" value="cn.itheima.mybatis.mapper,com.itheima.mybatis.mapper"/> -->

        <property name="basePackage" value="com.itheima.mybatis.mapper"/>

    </bean>

</beans>