ssh項目搭建時，Spring的bean的基本配置

主要配置了： 數據庫實例、 Spring管理SessionFactory 、 事務的相關配置 、 aop配置

<?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:p="http://www.springframework.org/schema/p"
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:aop="http://www.springframework.org/schema/aop"
    xmlns:tx="http://www.springframework.org/schema/tx"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
         http://www.springframework.org/schema/beans/spring-beans.xsd
         http://www.springframework.org/schema/context
         http://www.springframework.org/schema/context/spring-context.xsd
         http://www.springframework.org/schema/aop
         http://www.springframework.org/schema/aop/spring-aop.xsd
         http://www.springframework.org/schema/tx
         http://www.springframework.org/schema/tx/spring-tx.xsd">

    <!-- 1. 連接池實例 -->
    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
        <property name="jdbcUrl" value="jdbc:mysql://localhost:3306/hib_demo"></property>
        <property name="driverClass" value="com.mysql.jdbc.Driver"></property>
        <property name="user" value="root"></property>
        <property name="password" value="root"></property>
        <property name="initialPoolSize" value="3"></property>
        <property name="maxPoolSize" value="6"></property>
    </bean>

    <!-- 2. Spring管理SessionFactory 【全部配置都寫到spring中】 -->
    <!-- # 注入DataSource、 注入常用配置屬性、映射配置屬性 -->
    <bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
        <property name="dataSource" ref="dataSource"></property>
        <property name="hibernateProperties">
            <props>
                 <prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
                 <prop key="hibernate.show_sql">true</prop>
                 <prop key="hibernate.hbm2ddl.auto">update</prop>
            </props>
        </property>
        <property name="mappingLocations">
            <list>
                <value>classpath:cn/itcast/entity/*.hbm.xml</value>
            </list>
        </property>
    </bean>

    <!-- 3. 事務相關配置 -->
    <!-- 3.1 事務管理器類 -->
    <bean id="txManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager">
        <property name="sessionFactory" ref="sessionFactory"></property>
    </bean>

    <!-- 3.2 事務增強(如何管理事務)-->
    <tx:advice id="txAdvice" transaction-manager="txManager">
        <tx:attributes>
            <tx:method name="get*" read-only="true"/>
            <tx:method name="find*" read-only="true"/>
            <tx:method name="*" read-only="false"/>
        </tx:attributes>
    </tx:advice>

    <!-- 3.3 Aop配置 = 切入點表達式(攔截目標對象，生成代理)  + 事務增強應用-->
    <aop:config>
        <aop:pointcut expression="execution(* cn.itcast.service.impl.*.*(..))" id="pt"/>
        <aop:advisor advice-ref="txAdvice" pointcut-ref="pt"/>
    </aop:config>
</beans>