开发Spring MVC应用程序(4-3)

l         在springapp-xml中需要定义DAO使用的DataSource和ProductManagerDao接口的引用

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

<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN"
    
    

 "http://www.springframework.org/dtd/spring-beans.dtd">
    
    

<!--
    
    

  - Application context definition for "springapp" DispatcherServlet.
    
    

  -->
    
    

<beans>
    
    

    <!--  Controller for the initial "Hello" page -->
    
    

    <bean id="springappController" class="web.SpringappController">
    
    

        <property name="productManager">
    
    

            <ref bean="prodMan"/>
    
    

        </property>
    
    

    </bean>
    
    

    <!--  Validator and Form Controller for the "Price Increase" page -->
    
    

    <bean id="priceIncreaseValidator" class="bus.PriceIncreaseValidator"/>
    
    

    <bean id="priceIncreaseForm" class="web.PriceIncreaseFormController">
    
    

        <property name="sessionForm"><value>true</value></property>
    
    

        <property name="commandName"><value>priceIncrease</value></property>
    
    

        <property name="commandClass"><value>bus.PriceIncrease</value></property>
    
    

        <property name="validator"><ref bean="priceIncreaseValidator"/></property>
    
    

        <property name="formView"><value>priceincrease</value></property>
    
    

        <property name="successView"><value>hello.htm</value></property>
    
    

        <property name="productManager">
    
    

            <ref bean="prodMan"/>
    
    

        </property>
    
    

    </bean>
    
    

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

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

      <property name="url">
    
    

        <value>jdbc:mysql://localhost/test</value>
    
    

      </property>
    
    

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

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

    </bean>
    
    

    <bean id="prodManDao" class="db.ProductManagerDaoJdbc">
    
    

        <property name="dataSource">
    
    

            <ref bean="dataSource"/>
    
    

        </property>
    
    

    </bean>
    
    

    <bean id="prodMan" class="bus.ProductManager">
    
    

        <property name="productManagerDao">
    
    

            <ref bean="prodManDao"/>
    
    

        </property>
    
    

<!--
    
    

        <property name="products">
    
    

            <list>
    
    

                <ref bean="product1"/>
    
    

                <ref bean="product2"/>
    
    

                <ref bean="product3"/>
    
    

            </list>
    
    

        </property>
    
    

-->
    
    

    </bean>
    
    

<!--
    
    

    <bean id="product1" class="bus.Product">
    
    

        <property name="description"><value>Lamp</value></property>
    
    

        <property name="price"><value>5.75</value></property>
    
    

    </bean>
    
    

    <bean id="product2" class="bus.Product">
    
    

        <property name="description"><value>Table</value></property>
    
    

        <property name="price"><value>75.25</value></property>
    
    

    </bean>
    
    

    <bean id="product3" class="bus.Product">
    
    

        <property name="description"><value>Chair</value></property>
    
    

        <property name="price"><value>22.79</value></property>
    
    

    </bean>
    
    

-->
    
    

    <bean id="messageSource" class="org.springframework.context.support.ResourceBundleMessageSource">
    
    

        <property name="basename"><value>messages</value></property>
    
    

    </bean>
    
    

    <bean id="urlMapping" class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping">
    
    

        <property name="mappings">
    
    

            <props>
    
    

                <prop key="/hello.htm">springappController</prop>
    
    

                <prop key="/priceincrease.htm">priceIncreaseForm</prop>
    
    

            </props>
    
    

        </property>
    
    

    </bean>
    
    

    <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
    
    

        <property name="viewClass">
    
    

           <value>org.springframework.web.servlet.view.JstlView</value>
    
    

        </property>
    
    

        <property name="prefix"><value>/WEB-INF/jsp/</value></property>
    
    

        <property name="suffix"><value>.jsp</value></property>
    
    

    </bean>
    
    

</beans>
    
    

l         重新部署程序，运行程序，做增长价格的操作，数据库中数据会相应变化