Spring 高级

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

http://www.springframework.org/schema/tx

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

<bean id="trManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource"></property>
    </bean>

<tx:advice id="trAdvice" transaction-manager="trManager">
    <tx:attributes>
        <tx:method name="save*" isolation="DEFAULT" propagation="REQUIRED" read-only="false"/>
        <tx:method name="delete*" isolation="DEFAULT" propagation="REQUIRED" read-only="false"/>
        <tx:method name="update*" isolation="DEFAULT" propagation="REQUIRED" read-only="false"/>
        <tx:method name="*" isolation="DEFAULT" propagation="REQUIRED" read-only="true"/>
    </tx:attributes>
</tx:advice>

<aop:config>
        <aop:pointcut id="trPointcut" expression="execution(* com.itheima.service..*.*(..))" />
        <aop:advisor advice-ref="trAdvice" pointcut-ref="trPointcut"/>
    </aop:config>

<tx:attributes>
      <tx:method name="save*" isolation="DEFAULT" propagation="REQUIRED" read-only="false" rollback-for="com.itheima.exception.DaoException,com.itheima.exception.ServiceException"/>
</tx:attributes>

<context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:beans.xml</param-value>
    </context-param>
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>

<bean id="personAction" class="com.itheima.web.action.PersonAction" scope="prototype">
        <property name="personService" ref="personService"></property>
</bean>

class="com.itheima.web.action.PersonAction

 <action name="PersonAction_*" class="personAction" method="{1}">
            <result name="success">/success.jsp</result>
 </action>

	<!-- 加载数据文件 -->
    <context:property-placeholder location="classpath:jdbc.properties"/>
    <!-- 配置c3p0数据源 -->
	<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" destroy-method="close">
		<property name="driverClass" value="${jdbc.driver}" />
		<property name="jdbcUrl" value="${jdbc.url}"/>
		<property name="user" value="${jdbc.user}" />
		<property name="password" value="${jdbc.password}" />
		<!--连接池中保留的最小连接数。-->
		<property name="minPoolSize" value="5" />
	
		<!--连接池中保留的最大连接数。Default: 15 -->
		<property name="maxPoolSize" value="30" />
	
		<!--初始化时获取的连接数，取值应在minPoolSize与maxPoolSize之间。Default: 3 -->
		<property name="initialPoolSize" value="10"/>
	
		<!--最大空闲时间,60秒内未使用则连接被丢弃。若为0则永不丢弃。Default: 0 -->
		<property name="maxIdleTime" value="60"/>
	
		<!--当连接池中的连接耗尽的时候c3p0一次同时获取的连接数。Default: 3 -->
		<property name="acquireIncrement" value="5" />
	
		<!--JDBC的标准参数，用以控制数据源内加载的PreparedStatements数量。但由于预缓存的statements  
			属于单个connection而不是整个连接池。所以设置这个参数需要考虑到多方面的因素。  
			如果maxStatements与maxStatementsPerConnection均为0，则缓存被关闭。Default: 0-->
		<property name="maxStatements" value="0" />
	
		<!--每60秒检查所有连接池中的空闲连接。Default: 0 -->
		<property name="idleConnectionTestPeriod" value="60" />
	
		<!--定义在从数据库获取新连接失败后重复尝试的次数。Default: 30 -->
		<property name="acquireRetryAttempts" value="30" />
	
		<!--获取连接失败将会引起所有等待连接池来获取连接的线程抛出异常。但是数据源仍有效  
			保留，并在下次调用getConnection()的时候继续尝试获取连接。如果设为true，那么在尝试  
			获取连接失败后该数据源将申明已断开并永久关闭。Default: false-->
		<property name="breakAfterAcquireFailure" value="true" />
   </bean>

<bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
    	<property name="dataSource" ref="dataSource"></property>
    	<!-- 加载hibernate.cfg.xml 
    	<property name="configLocation">
    		<value>classpath:hibernate.cfg.xml</value>
    	</property>
    	-->
    	<!-- 负责加载hibernate的属性文件 -->
    	<property name="hibernateProperties">
    		<props>
    			<prop key="hibernate.dialect">org.hibernate.dialect.MySQL5Dialect</prop>
    			<prop key="hibernate.hbm2ddl.auto">update</prop>
    			<prop key="hibernate.show_sql">true</prop>
    		</props>
    	</property>
    	<!-- 添加映射 -->
    	<property name="mappingDirectoryLocations">
    		<array>
    			<value>classpath:com/itheima/domain</value>
    		</array>
    	</property>
    </bean>