三扬JAVA高端人才实训基地

在做Spring相关开发时，时常要用到一些相关的Bean的声明，如数据库连接池，hibernate的SessionFactory声明等。一下是一些常用到的Bean声明。

1 Message source的声明，重要用于系统的信息提示。

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<bean id="messageSource" class="org.springframework.context.support.ResourceBundleMessageSource">
  <property name="basename"><value>messages</value></property>
</bean>

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<bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
  <property name="locations">
    <list>
        <value>WEB-INF/mail.properties</value>
        <value>WEB-INF/jdbc.properties</value>
    </list>
  </property>
</bean>

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<bean id="customEditorConfigurer" class="org.springframework.beans.factory.config.CustomEditorConfigurer">
  <property name="customEditors">
    <map>
        <entry key="java.util.Date">
          <bean class="org.springframework.beans.propertyeditors.CustomDateEditor">
            <constructor-arg index="0">
                <bean class="java.text.SimpleDateFormat">
                  <constructor-arg><value>yyyy-MM-dd</value></constructor-arg>
                </bean>
            </constructor-arg>
            <constructor-arg index="1"><value>false</value></constructor-arg>
          </bean>
        </entry>
    </map>
  </property>
</bean>

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<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
  <property name="driverClassName"><value>${jdbc.driverClassName}</value></property>
  <property name="url"><value>${jdbc.url}</value></property>
  <property name="username"><value>${jdbc.username}</value></property>
  <property name="password"><value>${jdbc.password}</value></property>
</bean>

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<bean id="sessionFactory" class="org.springframework.orm.hibernate.LocalSessionFactoryBean">
  <property name="dataSource"><ref local="dataSource"/></property>
  <property name="mappingResources"><value>mapping.xml</value></property>
  <property name="hibernateProperties">
    <props>
        <prop key="hibernate.dialect">${hibernate.dialect}</prop>
    </props>
  </property>
</bean>

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<bean id="jotm" class="org.springframework.transaction.jta.JotmFactoryBean"/>
<bean id="transactionManager" class="org.springframework.transaction.jta.JtaTransactionManager">
  <property name="userTransaction"><ref local="jotm"/></property>
</bean>

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<bean id="hibernateTransactionManager" class="org.springframework.orm.hibernate.HibernateTransactionManager">
  <property name="sessionFactory"><ref local="sessionFactory"/></property>
</bean>

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<bean id="clinic" class="org.springframework.transaction.interceptor.TransactionProxyFactoryBean">
  <property name="transactionManager"><ref local="hibernateTransactionManager"/></property>
  <property name="target"><ref local="clinicTarget"/></property>
  <property name="transactionAttributes">
    <props>
        <prop key="get*">PROPAGATION_REQUIRED,readOnly</prop>
        <prop key="find*">PROPAGATION_REQUIRED,readOnly</prop>
        <prop key="load*">PROPAGATION_REQUIRED,readOnly</prop>
        <prop key="store*">PROPAGATION_REQUIRED</prop>
    </props>
  </property>
</bean>

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<bean id="mailSender" class="org.springframework.mail.javamail.JavaMailSenderImpl">
  <property name="host"><value>${mail.host}</value></property>
</bean>

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<bean id="DemoController" class="cn.edu.bit82.DemoController"/>
<bean id="urlMapping" class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping">
  <property name="mappings">
    <props>
        <prop key="/hello.html">DemoController</prop>
        <prop key="*">SecondController</prop>
    </props>
  </property>
</bean>