首页 > 代码库 > Spring web flow 配置文件

Spring web flow 配置文件

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans" 
 xmlns:context="http://www.springframework.org/schema/context" 
 xmlns:p="http://www.springframework.org/schema/p" 
 xmlns:mvc="http://www.springframework.org/schema/mvc" 
 xmlns:tx="http://www.springframework.org/schema/tx"
 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
 xsi:schemaLocation="http://www.springframework.org/schema/beans 
      http://www.springframework.org/schema/beans/spring-beans-3.0.xsd 
      http://www.springframework.org/schema/context 
      http://www.springframework.org/schema/context/spring-context.xsd 
      http://www.springframework.org/schema/tx
      http://www.springframework.org/schema/tx/spring-tx-2.5.xsd
      http://www.springframework.org/schema/mvc 
      http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd"> 

      <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value=http://www.mamicode.com/"/"/>
        <property name="suffix" value=http://www.mamicode.com/".jsp"/>
      </bean>
      <bean class="org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping"/>
      <bean class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping">  
            <property name="mappings">  
                <props>  
                    <prop key="/index">index1</prop>  
                    <prop key="/shopping">flowController</prop>
                </props>  
            </property>  
        </bean>  
      <bean id="index1" class="org.springframework.web.servlet.mvc.ParameterizableViewController" >
         <property name="viewName" value=http://www.mamicode.com/"index">
       </bean>
      
       <bean id="flowController" class="org.springframework.webflow.mvc.servlet.FlowController">
        <property name="flowExecutor" ref="flowExecutor" />
      </bean>
              <!--FlowController可以理解为时flow的入口,也就是spring mvc与spring web flow的结合点,将请求交给词控制器处理就表示进入到flow中去,具体进入到哪一个flow就是靠flowExecutor来判断,判断的方式是根据请求的URL,那么在本例中将会进入到id为shopping的flow
-->

      </beans>





<?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:webflow="http://www.springframework.org/schema/webflow-config"
    xsi:schemaLocation=" http://www.springframework.org/schema/beans 
    http://www.springframework.org/schema/beans/spring-beans-2.5.xsd 
    http://www.springframework.org/schema/webflow-config 
    http://www.springframework.org/schema/webflow-config/spring-webflow-config-2.0.xsd">
    <webflow:flow-executor id="flowExecutor" flow-registry="flowRegistry" />
    <!-- 所有 flow的定义文件它的位置在这里进行配置, flow-builder-services 用于配置 flow 的特性 -->
    <webflow:flow-registry id="flowRegistry" flow-builder-services="flowBuilderServices">
        <webflow:flow-location path="/WEB-INF/flows/shopping.xml" id="shopping" />
        <webflow:flow-location path="/WEB-INF/flows/addToCart.xml" id="addToCart" />
    </webflow:flow-registry>
    <!--Web Flow 中的视图通过 MVC 框架的视图技术来呈现 -->
    <webflow:flow-builder-services id="flowBuilderServices" view-factory-creator="mvcViewFactoryCreator" />
    <!-- 指明 MVC 框架的 view resolver ,用于通过 view 名查找资源 -->
    <bean id="mvcViewFactoryCreator" class="org.springframework.webflow.mvc.builder.MvcViewFactoryCreator">
        <property name="viewResolvers" ref="viewResolver" />
    </bean>
</beans>






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

<flow xmlns="http://www.springframework.org/schema/webflow"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://www.springframework.org/schema/webflow
 http://www.springframework.org/schema/webflow/spring-webflow-2.0.xsd">
 <!-- view-state中的view对应jsp文件夹中的jsp页面,on是触发事件,to对应state id -->
<!--      <var name="mycart" class="bean.Cart"/>  表示定义一个名为mycart的变量,其值为bean.Cart类对象
             这种方式可以使用spring注解代替:@Component("mycart")
-->
   <on-start> <!-- 表示在进入此flow之前执行 -->
      <set name="conversationScope.cart" value=http://www.mamicode.com/"mycart">
   </on-start> 
     <view-state id="viewCart" view="/jsp/viewCart" > <!-- 我们可以看到这是此flow的第一个state,那么当进入到这个flow时 -->
       <on-render>  <!--在这个视图渲染之前,执行里面的业务逻辑-->          <!--首先执行这个state,即进入到viewCart页面 -->
         <evaluate expression="productService.getProducts()" result="viewScope.products"/> 
           <!-- expression表达式表示业务逻辑,将该方法的返回值放入到view范围内的products中 -->
      </on-render> 
       <transition on="submit" to="viewOrder"><!--当在此状态下,如果触发submit,则会转向viewOrder状态 -->
       </transition> 
      <transition on="addToCart" to="addProductToCart"/>
   </view-state> 
    <view-state id="viewOrder" view="/jsp/viewOrder">
        <transition on="confirm" to="orderConfirmed">
        </transition>
    </view-state>
    <view-state id="orderConfirmed" view="/jsp/viewConfirmed">
        <transition on="returnToIndex" to="returnToIndex">
        </transition>
    </view-state>
    <end-state id="returnToIndex" view="index">
    </end-state><!-- 次flow的结束状态 ,不能再转向其他状态-->
    
    <subflow-state id="addProductToCart" subflow="addToCart"> <!-- 子流,subflow表示子flow的id -->
         <transition on="productAdded" to="viewCart" /> 
   </subflow-state>

</flow>





<?xml version="1.0" encoding="UTF-8"?> 
<flow xmlns="http://www.springframework.org/schema/webflow" 
 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
 xsi:schemaLocation="http://www.springframework.org/schema/webflow 
 http://www.springframework.org/schema/webflow/spring-webflow-2.0.xsd"> 
   <on-start>  
  <set name="requestScope.productId" value=http://www.mamicode.com/"requestParameters.productId"/>
  </on-start> 
 <action-state id="addToCart"> 
   <evaluate expression="cart.addItem(productService.getProduct(productId))"/> 
   <transition to="productAdded"/> 
 </action-state> <!-- 此state就是用来处理业务逻辑的 -->
 <end-state id="productAdded"/> 
</flow> 


Spring web flow 配置文件