利用 WebSphere Application Server V8 和 Rational Application Developer V8 開發 Java EE 6 應用程序7

@Stateful

@Named

@SessionScoped

public class AccountService implements Serializable {

     private static final long serialVersionUID = 7103565672729007156L;

     @PersistenceContext(unitName = “AccountManagementEJB”)

     EntityManager em;

     @Inject

     private Usertab user;

     @Inject

     private Credentials credential;

     ….

     public AccountService() {

         super();

     }

     public String login() {

     user

     = this.loginUser(credential.getUsername(),credential.getPassword());

         if (user != null)

             return (“AccountInfo.jsf”);

         else

             return (“AccountLogin.jsf”);

     }

     public Usertab loginUser(String username, String password) {

         ….

     }

     Getters() & Setters()…

}

<h:form>

<h1>Login</h1>

<h:panelGrid columns=”2″>

<h:outputLabel for=”username”>Username:</h:outputLabel>

<h:inputText id=”username” value=”#{credentials.username}”/>

<h:outputLabel for=”password”>Password:</h:outputLabel>

<h:inputSecret id=”password” value=”#{credentials.password}”/>

</h:panelGrid>

<h:commandButton value=”Login” action=”#{accountService.login}”/>

</h:form>