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我試圖將現有商店合併到jsf中的新客戶端,但它不成功。該程序基本上包括一個支持bean控制器,一個ejb和jsf頁面(註冊),我已經能夠在combobox UI中填充shoplist。這裏是代碼。如何將商店實體合併到客戶實體(多對一)jsf
register.xhtml:
clientcontroller.client.fname
是一個SFSB。
Property
已經存在,但試圖合併。
從列表中店(shopcontroller.shopList
)
<h:form>
<h:panelGrid columns="3" >
<h:outputText value="Select From.
Available Shops :" />
<h:selectOneMenu value="#.
{shopController.shop}" >
<f:selectItems var="s" value="#.
{shopController.shopList}" />
</h:selectOneMenu>
<h:commandButton value="register".
action="#{clientcontroller.Register(s)}" />
</h:panelGrid>
</h:form>
支撐類:
ManagedBean(name="clientcontroller")
@RequestScoped
public class clientController {
@EJB ClientEJB clientEJB;
private Client clt = new Client();
private Shop shp = new Shop();
private String clientfname;
//getters and setters
public String Register(Shop shp){
this.shp = shp;
clientEJB.register(clt, shp);
return "";
}
EJB類:
@Stateful
@LocalBean
public class ClientEJB {
@PersistenceContext
EntityManager em;
public void addClient(Client clt){
em.persist(clt);
}
public void register(Client c ,Shop s){
c.getShopList().add(s);
s.setAvailability("false");
s.setClientid(c);
em.merge(s);
em.merge(c);
}
}
那麼究竟是什麼問題?你在期待什麼,你會得到什麼? – kostja 2013-02-13 09:02:18