我的preRenderView-Event有点麻烦。我的页面也使用命令按钮来提交数据，但不幸的是，在调用按钮操作之前总是调用preRenderView-Event。
<h:body style="width:600px; ">
<ui:composition template="/common/master-layout.xhtml">
<ui:define name="title">#{message['app.page.main.title']}</ui:define>
<ui:debug
rendered="#{initParam['javax.faces.PROJECT_STAGE'] eq 'Development'}"
hotkey="x" />
<ui:define name="metadata">
<f:metadata>
<f:viewParam name="id" value="#{saisieDevisController.idDemande}" />
<f:event type="preRenderView"
listener="#{saisieDevisController.init}" />
</f:metadata>
</ui:define>
<ui:define name="content">
<p:fieldset legend="Programme" style="margin-top: 20px;">
<h:form id="etudeDemSaisieDevisForm">
<p:tabView id="etudeDemSaisieDevisTabView">
<p:tab id="programmeTab" title="Programme">
<h:panelGrid columns="4" cellpadding="10">
<h:outputText id="programmeInput" value="Programme"
style="font-weight:bold" />
<h:outputText for="programmeInput"
value="#{saisieDevisController.selectedDemande.idProgramme.codeProgImmobilier}" />
<h:outputText id="lotInput" value="Lot" style="font-weight:bold" />
<h:outputText for="lotInput"
value="#{saisieDevisController.selectedDemande.idBien.numLotCommercial}" />
<h:outputText id="nomAcqInput" value="Nom Acquereur"
style="font-weight:bold" />
<h:outputText for="nomAcqInput"
value="#{saisieDevisController.selectedDemande.idAcquereur.genreEtatCivil} #{saisieDevisController.selectedDemande.idAcquereur.prenomAcquereur} #{saisieDevisController.selectedDemande.idAcquereur.nomAcquereur}" />
</h:panelGrid>
</p:tab>
<p:tab id="datesFraisTab" title="Dates et frais">
<h:panelGrid columns="4" cellpadding="10">
<h:outputLabel value="Date de valité de devis"
style="font-weight:bold" />
<p:calendar
value="#{saisieDevisController.selectedDemande.lastDevis.datValidite}"
id="dateValiditeDevis" showOn="button" required="true">
<f:convertDateTime pattern="dd/MM/yyyy" />
</p:calendar>
<h:outputLabel value="Date butoire de chantier"
style="font-weight:bold" />
<p:calendar
value="#{saisieDevisController.selectedDemande.lastDevis.dateButoire}"
id="dateButoireDevis" showOn="button" required="true">
<f:convertDateTime pattern="dd/MM/yyyy" />
</p:calendar>
<h:outputText value="Frais de dossier" style="font-weight:bold" />
<p:selectOneMenu
value="#{saisieDevisController.selectedDemande.lastDevis.fraDossiers}"
style="width: 175px;">
<f:selectItem itemLabel="Choisir..." itemValue=""
noSelectionOption="true" />
<f:selectItem itemLabel="Aucun" itemValue="Aucun" />
<f:selectItem itemLabel="Déjà réglé" itemValue="Déjà réglé" />
<f:selectItem itemLabel="Charge Acquéreur"
itemValue="Charge Acquéreur" />
<f:selectItem itemLabel="Charge SNC" itemValue="Charge SNC" />
</p:selectOneMenu>
<h:outputLabel value="Date de plan de référence"
style="font-weight:bold" />
<p:calendar
value="#{saisieDevisController.selectedDemande.lastDevis.datPlanReference}"
id="datePlanRef" showOn="button" required="true">
<f:convertDateTime pattern="dd/MM/yyyy" />
</p:calendar>
<h:outputText value="Frais de pilotage" style="font-weight:bold" />
<p:selectOneMenu
value="#{saisieDevisController.selectedDemande.lastDevis.fraPilotage}"
style="width: 175px;">
<f:selectItem itemLabel="Choisir..." itemValue=""
noSelectionOption="true" />
<f:selectItem itemLabel="Oui" itemValue="Oui" />
<f:selectItem itemLabel="Non" itemValue="Non" />
<f:selectItem itemLabel="Pour mémoire" itemValue="Pour mémoire" />
</p:selectOneMenu>
<h:outputText value="Frais de plan" style="font-weight:bold" />
<p:selectOneMenu
value="#{saisieDevisController.selectedDemande.lastDevis.fraPlan}"
style="width: 175px;">
<f:selectItem itemLabel="Choisir..." itemValue=""
noSelectionOption="true" />
<f:selectItem itemLabel="Aucun" itemValue="Aucun" />
<f:selectItem itemLabel="Charge Acquéreur"
itemValue="Charge Acquéreur" />
<f:selectItem itemLabel="Charge SNC" itemValue="Charge SNC" />
</p:selectOneMenu>
</h:panelGrid>
</p:tab>
<p:tab id="devisTab" title="Devis">
<h:panelGrid columns="2" cellpadding="10">
<h:panelGrid columns="4" cellpadding="10">
<h:outputText id="numDevis" value="Numéro de devis"
style="font-weight:bold" />
<h:inputText for="numDevis"
value="#{saisieDevisController.selectedDemande.lastDevis.numDevis}" />
<h:outputText id="dateRecepDemande"
value="Date de la réception de la demande"
style="font-weight:bold" />
<h:outputText for="dateRecepDemande"
value="#{saisieDevisController.selectedDemande.dateDemande}">
<f:convertDateTime pattern="dd/MM/yyyy" />
</h:outputText>
<h:outputText id="dateSaisieDevis"
value="Date de saisie de la demande" style="font-weight:bold" />
<h:outputText for="dateSaisieDevis"
value="#{saisieDevisController.selectedDemande.dateSaisie}">
<f:convertDateTime pattern="dd/MM/yyyy" />
</h:outputText>
<h:outputText id="ficheOptionDevis" value="Fiche d'oprion"
style="font-weight:bold" />
<h:outputText for="ficheOptionDevis"
value="#{saisieDevisController.selectedDemande.ficheOption}" />
</h:panelGrid>
</h:panelGrid>
</p:tab>
<p:tab id="previsualisationTab" title="Prévisualisation">
<h:panelGrid columns="2" cellpadding="10">
</h:panelGrid>
</p:tab>
</p:tabView>
<p:panel>
<ui:include src="ligneDataTable.xhtml" />
</p:panel>
<h:panelGrid columns="4" cellpadding="10"
style="text-align: center;margin-left: 25%;width: 50%; margin-right: 25%; margin-top: 30px; background-color:RGB(225,240,233)">
<h:outputText id="chargeSncHt" value="Charge SNC HT"
style="font-weight:bold" />
<h:outputText for="chargeSncHt"
value="#{saisieDevisController.selectedDemande.idDemande}" />
<h:outputText id="chargeAcqHt" value="Charge Acq HT"
style="font-weight:bold" />
<h:outputText for="chargeAcqHt" value="200" />
<h:outputText id="chargeSncTtc" value="Charge SNC TTC"
style="font-weight:bold" />
<h:outputText for="chargeSncTtc" value="0" />
<h:outputText id="chargeAcqTtc" value="Charge ACQ TTC"
style="font-weight:bold" />
<h:outputText for="chargeAcqTtc" value="0" />
</h:panelGrid>
<h:panelGrid columns="3" cellpadding="10" style="margin: 0 auto;">
<p:commandButton value="Valider" id="saveDemande"
styleClass="ui-priority-primary"
action="#{saisieDevisController.updateValidate}"
style="margin-left:10px;margin-top:10px;margin-bottom:10px;height:125%;width:90px">
</p:commandButton>
<p:commandButton value="Annuler" id="cancelDemande"
styleClass="ui-priority-primary"
action="#{saisieDevisController.updateCancel}"
style="margin-left:10px;margin-top:10px;margin-bottom:10px;height:125%;width:90px"
immediate="true" />
<p:commandButton value="Suspendre" id="suspendDemande"
styleClass="ui-priority-primary"
action="#{saisieDevisController.updateSuspend}"
style="margin-left:10px;margin-top:10px;margin-bottom:10px;height:125%;width:90px">
</p:commandButton>
</h:panelGrid>
</h:form>
</p:fieldset>
</ui:define>
</ui:composition>
控制器：
@Component
@Scope("view")
public class SaisieDevisController implements Serializable {
//...
@ManagedProperty("#{demandeController.selectedDemande}")
private DemandeDto selectedDemande;
private Long idDemande;
//...
public String init(){
if (!FacesContext.getCurrentInstance().isPostback()) {
selectedDemande = new DemandeDto();
selectedDemande.setIdBien(new BienDto());
listDescriptifs = new ArrayList<DescriptifDto>();
selectedDecriptif = new DescriptifDto();
actualize();
}
return null;
}
public String initLigne(){
ligneToSave = new LigneDto();
listLots = new ArrayList<LotDto>();
listLots = lotService.findAll();
listSituations = new ArrayList<SituationDto>();
listSituations = situationService.findAll();
listUnites = new ArrayList<UniteDto>();
listUnites = uniteService.findAll();
return "/views/demande/saisieDevis/addLigne?faces-redirect=true";
}
public void actualize(){
selectedDemande = saisieDevisService.findById(idDemande);
selectedDemande.setLastDevis(selectedDemande.getLastDevis());
}
答案 0 :(得分：0)
考虑到JSF Lifecycle，在“调用应用程序”阶段完成之前，实际上不可能触发preRenderView-Event。请仔细检查以下内容：
saisieDevisController.init听起来非常通用。也许像@PostConstruct这样的触发器会先调用它（嵌套）。希望它有所帮助...