Session 在jsf中获取空表单会话bean
我在登录后设置了会话bean,并在xhtml文件中打印会话bean的值,但当我转到下一页或bean会话bean返回空时,它会自动重置该值 我将primeface 4.0、jsf 2.0和EJB3.0用于web应用程序 Web.xmlSession 在jsf中获取空表单会话bean,session,jsf-2,primefaces,Session,Jsf 2,Primefaces,我在登录后设置了会话bean,并在xhtml文件中打印会话bean的值,但当我转到下一页或bean会话bean返回空时,它会自动重置该值 我将primeface 4.0、jsf 2.0和EJB3.0用于web应用程序 Web.xml <?xml version="1.0" encoding="UTF-8"?> <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://java.sun.com/xml/ns/javaee"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
version="3.0">
<servlet>
<servlet-name>Faces Servlet</servlet-name>
<servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>Faces Servlet</servlet-name>
<url-pattern>*.xhtml</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>index.xhtml</welcome-file>
</welcome-file-list>
<context-param>
<param-name>javax.faces.PROJECT_STAGE</param-name>
<param-value>Development</param-value>
</context-param>
<!-- <context-param> <param-name>javax.faces.STATE_SAVING_METHOD</param-name>
<param-value>server</param-value> </context-param> -->
<session-config>
<session-timeout>30</session-timeout>
</session-config>
<context-param>
<param-name>primefaces.THEME</param-name>
<param-value>ui-lightness</param-value>
</context-param>
<context-param>
<param-name>org.apache.myfaces.CHECK_ID_PRODUCTION_MODE</param-name>
<param-value>false</param-value>
</context-param>
<context-param>
<param-name>org.apache.myfaces.VIEW_UNIQUE_IDS_CACHE_ENABLED</param-name>
<param-value>true</param-value>
</context-param>
<mime-mapping>
<extension>xlsx</extension>
<mime-type>text/xlsx</mime-type>
</mime-mapping>
</web-app>
//Setting user from loginMB having viewscope bean.
用户MB
@SessionScoped
@ManagedBean(name = "userMB")
public class UserMB extends AbstractMB implements Serializable {
public static final String INJECTION_NAME = "#{userMB}";
private static final long serialVersionUID = 1L;
private User user;
@EJB
private UserEJB userEJB;
public String logOut() {
getRequest().getSession().invalidate();
return "/index.xhtml?faces-redirect=true";
}
private HttpServletRequest getRequest() {
return (HttpServletRequest) FacesContext.getCurrentInstance()
.getExternalContext().getRequest();
}
public User getUser() {
if (user == null) {
user = new User();
}
return user;
}
public void setUser(User user) {
this.user = user;
}
public List<User> getUserList() {
if (userList == null) {
userList = userEJB.findAll();
}
return userList;
}
public void setUserList(List<User> userList) {
this.userList = userList;
}
}
坎姆布
@ManagedBean
@ViewScoped
public class CampMB extends AbstractMB implements Serializable {
private static final long serialVersionUID = 1L;
@ManagedProperty("#{userMB}")
private UserMB userMB;
public UserMB getUserMB() {
return userMB;
}
public void setUserMB(UserMB userMB) {
this.userMB = userMB;
}
private User user;
private Camp camp;
private List<CampDTO> listCamp;
@EJB
private CampEJB campEJB;
@EJB
private MemberEJB memberEJB;
@EJB
private CodeValueEJB codeEJB;
TimeZone timeZone = TimeZone.getDefault();
public TimeZone getTimeZone() {
return timeZone;
}
public void setTimeZone(TimeZone timeZone) {
this.timeZone = timeZone;
}
public List<CampDTO> getListCamp() {
Map<String, Object> sessionMap = FacesContext.getCurrentInstance().getExternalContext().getSessionMap();
UserMB managedBean = (UserMB) sessionMap.get("userMB");
System.out.println("test use==" + managedBean.getUser().getId());
System.err.println("Session"+getUserMB().getUser().getId());
if (listCamp == null) {
listCamp = new ArrayList<CampDTO>();
}
listCamp = ConvertUtils.convertCampToDTO(campEJB.findAll());
return listCamp;
}
public void setListCamp(List<CampDTO> listCamp) {
this.listCamp = listCamp;
}
public User getUser() {
if (user == null) {
user = new User();
}
return user;
}
public void setUser(User user) {
this.user = user;
}
}
我正在尝试从搜索中获得不同的技术,但没有人适合我?
它是否有任何配置,或者如何正确设置/获取会话bean。您的ViewScope和SessionScope注释来自哪些包?我使用了java faces注释。我从loginMB设置了用户。从userMB成功登录页面后,它会显示值,但当我转到其他页面时,会话为空。@GaneshJoshi-确认应用程序的会话创建逻辑正在运行properly@kolossus我在login successfull页面中从会话bean获得值,但在导航到另一个页面时,会话bean被重置,甚至我都没有调用会话bean。