spring自动注入和注解配置

1.spring配置文件

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

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- Licensed under the Apache License, Version 2.0 (the "License");

- you may not use this file except in compliance with the License.

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- http://www.apache.org/licenses/LICENSE-2.0
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- distributed under the License is distributed on an "AS IS" BASIS,

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- limitations under the License.

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

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

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

xmlns:util="http://www.springframework.org/schema/util"

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

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

xsi:schemaLocation="http://www.springframework.org/schema/beanshttp://www.springframework.org/schema/beans/spring-beans-2.5.xsd

http://www.springframework.org/schema/contexthttp://www.springframework.org/schema/context/spring-context-2.5.xsd

http://www.springframework.org/schema/utilhttp://www.springframework.org/schema/util/spring-util-2.5.xsd

http://www.springframework.org/schema/txhttp://www.springframework.org/schema/tx/spring-tx-2.5.xsd

http://www.springframework.org/schema/aophttp://www.springframework.org/schema/aop/spring-aop-2.5.xsd">

<context:annotation-config />

<!-- 自动加载SERVICE DAO ACTION -->

<context:component-scan base-package="xxx.dao.impl" />

<context:component-scan base-package="xxx.provider" />

<!-- 加载properties配置文件

<bean id="propertyConfigurer"

class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">

<property name="locations">

<list>

<value>classpath:jdbc.properties</value>

</list>

</property>

</bean>

-->

<!-- 配置mysql数据源 -->

<!--

<bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">

<property name="driverClassName" value="com.mysql.jdbc.Driver" />

<property name="url" value="jdbc:mysql://xxx.xxx.xxx.xxx:3306/o2o?useUnicode=true&characterEncoding=UTF-8" />

<property name="username" value="xxx" />

<property name="password" value = "xxx" />

</bean>

-->

<!-- 定义数据源Bean，使用C3P0数据源实现 -->

<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" destroy-method="close">

<property name="driverClass" value="com.mysql.jdbc.Driver"/>

<property name="jdbcUrl" value="jdbc:mysql://xxx.xxx.xxx.xxx:3306/o2o?useUnicode=true&characterEncoding=UTF-8"/>

<property name="user" value="xxx"/>

<property name="password" value="xxx"/>

<property name="maxPoolSize" value="50"/>

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

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

<property name="maxIdleTime" value="15"/>

</bean>

<!-- 配置sessionFactory -->

<bean id="sessionFactory" class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">

<!-- 依赖注入数据源，注入正是上面定义的dataSource -->

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

<!-- mappingResouces属性用来列出全部映射文件 -->

<property name="packagesToScan">

<list>

<value>xxx.entity</value>

</list>

</property>

<!-- 定义Hibernate的SessionFactory的属性 -->

<property name="hibernateProperties">

<props>

<prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>

<prop key="hibernate.show_sql">true</prop>

<prop key="hibernate.format_sql">true</prop>

</props>

</property>

</bean>

<!-- 配置事务管理器 -->

<bean id="transactionManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager">

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

</bean>

<!-- 采用@Transaction注解的方式使用事务 -->

<tx:annotation-driven transaction-manager="transactionManager"/>

<bean id="hibernateTempate" class="org.springframework.orm.hibernate3.HibernateTemplate">

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

</bean>

<!--配置事务的传播特性 -->

<!--

<tx:advice id="txAdvice" transaction-manager="transactionManager">

用于配置详细的事务语义

<tx:attributes>

对增、删、改方法进行事务支持

<tx:method name="add*" propagation="REQUIRED" />

<tx:method name="create*" propagation="REQUIRED" />

<tx:method name="save*" propagation="REQUIRED" />

<tx:method name="edit*" propagation="REQUIRED" />

<tx:method name="update*" propagation="REQUIRED" />

<tx:method name="delete*" propagation="REQUIRED" />

<tx:method name="remove*" propagation="REQUIRED" />

对查找方法进行只读事务

<tx:method name="get*" propagation="SUPPORTS" read-only="true" />

对其它方法进行只读事务

<tx:method name="*" propagation="SUPPORTS" read-only="true" />

</tx:attributes>

</tx:advice>

-->

<!--那些类的哪些方法参与事务 -->

<!--

<aop:config>

<aop:advisor

pointcut="execution(* cn.com.company.service..*Service.*(..))"

advice-ref="txAdvice" />

<aop:advisor

pointcut="execution(* cn.com.company.service..*ServiceImpl.*(..))"

advice-ref="txAdvice" />

</aop:config>

-->

<!--

<bean id="xxxxDaoImpl" class="xxx.impl.xxxDaoImpl">

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

</bean>

<bean id="xxxxServiceImpl" class="xxx.impl.xxxServiceImpl">

<property name="xxxxDAO" ref="xxxxDaoImpl"/>

</bean>

-->

</beans>

2.Dao实现类

@Repository("xxxxDAO")

public class XXXDaoImpl extends AbstractBaseDao<XXXTableEntity> implements XXXDaoIF {

}

3.service实现类

@Service("xxxServiceImpl")

@Transactional(readOnly=true)

public class xxxxServiceImpl implements xxxServiceIF {

@Autowired

@Qualifier("xxxDAO")

private xxxDaoIF xxxDAO;

public xxxDaoIF getxxxDAO() {

return xxxDAO;

}

public void setxxxDAO(xxxDaoIF xxxDAO) {

this.xxxDAO = xxxDAO;

}

public xxxDto findCustomById(String id) {

return null;

}

@Transactional(propagation=Propagation.REQUIRED)

public void save(xxxTableEntity entity) {

xxxDAO.insert(entity);

}

public String findUserNameById(String id) {

// TODO Auto-generated method stub

return null;

}

public void save(CustomerDto entity) {

// TODO Auto-generated method stub

}

}