webflow

cas的webflow

例子

参考

  • success.jsp

    <body> Welcome ${loginBean.userName}!! </body>

  • login.jsp

      <form method="post" action="${flowExecutionUrl}">
      <input type="hidden" name="_eventId" value="performLogin"> 
      <input type="hidden" name="_flowExecutionKey" value="${flowExecutionKey}" />
      <input type="text" name="userName" maxlength="40">
      <input type="password" name="password" maxlength="40">
      <input type="submit" value="Login" />
  </form>

  • web.xml

    <servlet>
  <servlet-name>springFlowApplication
  <servlet-class>org.springframework.web.servlet.DispatcherServlet
  <init-param>
      <param-name>contextConfigLocation
      <param-value>classpath://spring-config.xml
  </init-param>
  <load-on-startup>1
</servlet>
<servlet-mapping>
 <servlet-name>springFlowApplication
 <url-pattern>/
</servlet-mapping>

  • spirng-config.xml

      <context:component-scan base-package="com.jcg.examples" />
  <bean
  class="org.springframework.web.servlet.view.InternalResourceViewResolver">
      <property name="prefix" value="/jsp/" />
      <property name="suffix" value=".jsp" />
  </bean>
  <import resource="flow-definition.xml"/>

  • flow-definition.xml

      <bean class="org.springframework.webflow.mvc.servlet.FlowHandlerMapping">
      <property name="flowRegistry" ref="bookSearchFlowRegistry" />
  </bean>
  <bean class="org.springframework.webflow.mvc.servlet.FlowHandlerAdapter">
      <property name="flowExecutor" ref="bookSearchFlowExecutor" />
  </bean>
  <flow:flow-executor id="bookSearchFlowExecutor" flow-registry="bookSearchFlowRegistry" />
  <flow:flow-registry id="bookSearchFlowRegistry">
      <flow:flow-location id="bookSearchFlow" path="/flows/book-search-flow.xml" />
  </flow:flow-registry>

  • book-search-flow.xml

      <var name="loginBean" class="com.jcg.examples.bean.LoginBean" />
  <view-state id="displayLoginView" view="jsp/login.jsp" model="loginBean">
      <transition on="performLogin" to="performLoginAction" />
  </view-state>
  <action-state id="performLoginAction">
      <evaluate expression="loginService.validateUser(loginBean)" />
      <transition on="true" to="displaySuccess" />
      <transition on="false" to="displayError" />
  </action-state>
  <view-state id="displaySuccess" view="jsp/success.jsp" model="loginBean"/>
  <view-state id="displayError" view="jsp/failure.jsp" />
  • LoginService.java
    @Service
public class LoginService {
      public String validateUser(LoginBean loginBean)        {
              String userName = loginBean.getUserName();
              String password = loginBean.getPassword();
              return Boolean.toString(userName.equals("Chandan") && password.equals("TestPassword");
      }
}
  • LoginBean
    public class LoginBean implements Serializable
{
      private static final long serialVersionUID = 1L;
      private String userName;
      private String password;
//........ommited

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