Question

我无法使用Hibernate和postgres在我的数据库中执行INSERT。

<p:panel id="PanelAjoutDept" header="Ajouter département" style="width: 450px;height: 450px" >  
        <h:panelGrid id="GridAjoutDept" columns="2" cellpadding="20" >  
               <h:outputText value="Nom : " />  
               <p:inputText id="libelleDept1" value="#{departementBean.departement.libelleDepartement}" />

               <h:outputText value="Téléphone : " />  
               <p:inputText id="libelleDept2" value="#{departementBean.departement.telDepartement}" />

               <h:outputText value="Fax : " />  
               <p:inputText id="libelleDept3" value="#{departementBean.departement.faxDepartement}" />

               <h:outputText value="Responsable : " />  
               <p:inputText id="libelleDept4" value="#{departementBean.departement.respDepartement}" />

               <p:commandButton id="BoutonValideDept" value="Valider" action="#{departementBean.addDepartement()}"
                                                 update="PanelListeDept, ListDataTableDept"  ajax="true"/>

               <p:commandButton value="Reset" type="reset" />
       </h:panelGrid>  
</p:panel>

这就是Bean：

@ManagedBean(name = "departementBean")
@SessionScoped
public class DepartementBean implements Serializable {

    @ManagedProperty(value = "#{departementService}")
    private DepartementService departementService;
    private List<Departement> list;
    private Departement departement;
    private Departement departementTemp;
    private int length;
    private DepartementDataModel departementDataModel;

    public DepartementBean() {
        departement = new Departement();
        list = new ArrayList<Departement>();

    }

    @PostConstruct
    public void init() {
        list = new ArrayList<Departement>();
        list.addAll(departementService.findAll());
        length = list.size();
    }

    public void addDepartement() {
        System.out.println("///////////////////////Add:" + list.size() + "\n");
        if (departement == null) {
            departement = new Departement();
        }
        departementService.save(departement);
        list = departementService.findAll();
        System.out.println("///////////////////////Add:" + list.size() + "\n");
        length = list.size();
    }


//getter and setter

当我尝试点击Valide按钮时，我有这个错误：

javax.el.PropertyNotFoundException：/ Genseignant.xhtml @ 50,124 value =“＃{departementBean.departement.libelleDepartement}”：目标无法访问，'departement'返回null com.sun.faces.facelets.el.TagValueExpression.getType（TagValueExpression.java:100）在 org.primefaces.renderkit.InputRenderer.getConverter（InputRenderer.java:162）在 org.primefaces.renderkit.InputRenderer.getConvertedValue（InputRenderer.java:175） at javax.faces.component.UIInput.getConvertedValue（UIInput.java:1030）在javax.faces.component.UIInput.validate（UIInput.java:960）at javax.faces.component.UIInput.executeValidate（UIInput.java:1233）at at javax.faces.component.UIInput.processValidators（UIInput.java:698）at at javax.faces.component.UIComponentBase.processValidators（UIComponentBase.java:1214）在 javax.faces.component.UIComponentBase.processValidators（UIComponentBase.java:1214）在 org.primefaces.component.panel.Panel.processValidators（Panel.java:284）在 javax.faces.component.UIComponentBase.processValidators（UIComponentBase.java:1214）在 javax.faces.component.UIComponentBase.processValidators（UIComponentBase.java:1214）在 org.primefaces.component.accordionpanel.AccordionPanel.processValidators（AccordionPanel.java:296）在javax.faces.component.UIForm.processValidators（UIForm.java:253）在 javax.faces.component.UIComponentBase.processValidators（UIComponentBase.java:1214）在 javax.faces.component.UIComponentBase.processValidators（UIComponentBase.java:1214）在 javax.faces.component.UIViewRoot.processValidators（UIViewRoot.java:1172）在 com.sun.faces.lifecycle.ProcessValidationsPhase.execute（ProcessValidationsPhase.java:76）在com.sun.faces.lifecycle.Phase.doPhase（Phase.java:101）at com.sun.faces.lifecycle.LifecycleImpl.execute（LifecycleImpl.java:118）在javax.faces.webapp.FacesServlet.service（FacesServlet.java:593）at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:305）在 org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:210）在 org.springframework.security.web.FilterChainProxy $ VirtualFilterChain.doFilter（FilterChainProxy.java:368）在 org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke（FilterSecurityInterceptor.java:109）

请问有什么不对。

无法将数据插入数据库

0 个答案: