Spring

配置文件：

 

mybatis配置文件：

<?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>
    <typeAliases>
        <package name="com.jr.entity"/>
        <package name="com.jr.vo"/>
    </typeAliases>
</configuration>

spring配置文件：

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:aop="http://www.springframework.org/schema/aop"
       xmlns:context="http://www.springframework.org/schema/context"
       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.xsd
        http://www.springframework.org/schema/aop
        http://www.springframework.org/schema/aop/spring-aop-4.3.xsd
        http://www.springframework.org/schema/context
       http://www.springframework.org/schema/context/spring-context-4.3.xsd
       http://www.springframework.org/schema/tx
       http://www.springframework.org/schema/tx/spring-tx-4.3.xsd">

    <!-- 1 ~ 4: 配置mybatis -->

    <!-- 1.加载外部属性文件，获得连接数据库四要素 -->
    <context:property-placeholder location="classpath:jdbc.properties"/>

    <!-- 2.配置数据源 -->
    <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
        <property name="driverClassName" value="${driverClass}"/>
        <property name="url" value="${url}"/>
        <property name="username" value="${user}"/>
        <property name="password" value="${password}"/>
    </bean>

    <!-- 3.管理SqlSessionFactory对象 -->
    <bean id="factory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource"/>
        <!-- 加载mybatis配置文件 -->
        <property name="configLocation" value="classpath:SqlMapConfig.xml"/>
    </bean>

    <!-- 4.配置mapper映射文件的扫描器对象 -->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="basePackage" value="com.jr.mapper"/>
        <property name="sqlSessionFactoryBeanName" value="factory"/>
    </bean>

    <!-- 5.配置注解扫描器-->
    <context:component-scan base-package="com.jr"/>

    <!-- 6.配置自动创建aop代理类 -->
    <aop:aspectj-autoproxy/>

    <!-- 7.声明事务管理的对象 -->
    <bean id="txManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource"/>
    </bean>

    <!-- 8.配置事务的传播策略 -->
    <!--<tx:advice id="txAdvice" transaction-manager="txManager">
        <tx:attributes>
            &lt;!&ndash; name: 使用通配符 给方法设置策略 &ndash;&gt;
            <tx:method name="add*" propagation="REQUIRED"/> &lt;!&ndash; 有事务就加入，没有就开启一个事务 &ndash;&gt;
            <tx:method name="update*" propagation="REQUIRED"/>
            <tx:method name="remove*" propagation="REQUIRED"/>
            <tx:method name="get*" propagation="SUPPORTS"/> &lt;!&ndash; 有事务就加入，没有就在非事务下执行 &ndash;&gt;
        </tx:attributes>
    </tx:advice>-->

    <!-- 9.配置xml方式的声明式事务 -->
    <!--<aop:config>
        <aop:pointcut id="txpointcut" expression="execution(* com.jr.service.DeptServiceImpl.*(..))"/>
        <aop:advisor advice-ref="txAdvice" pointcut-ref="txpointcut"/>
    </aop:config>-->

    <!-- 配置事务支持注解 -->
    <tx:annotation-driven transaction-manager="txManager"/>
</beans>

实体类注解：

/**
 *  @Component == 代替bean标签
 *  @Data == 自动生成get/set/toString
 *  @AllArgsConstructor == 自动生成全参构造器
 *  @NoArgsConstructor == 自动生成无参构造器
 */
@Component
@Data
@AllArgsConstructor
@NoArgsConstructor


实现类注解：

 

 

 代理类：

@Component
@Aspect
public class Advice {

    @Before("execution(* com.jr.service.*ServiceImpl.*(..))")
    public void check() {
        System.out.println("权限检查");
    }

    @After("execution(* com.jr.service.*ServiceImpl.*(..))")
    public void log() {
        System.out.println("日志记录");
    }
}

测试类：

ApplicationContext applicationContext;
DeptService deptService;
Dept dept;

@Before
public void before() {
    applicationContext = new ClassPathXmlApplicationContext("applicationContext.xml");
    deptService = applicationContext.getBean("deptServiceImpl", DeptService.class);
    dept = applicationContext.getBean("dept", Dept.class);
}

@Test
public void getTest() {
    List<Dept> list = deptService.getAll();
    for (Dept dept : list) {
        System.out.println(dept);
    }
}