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我有一個dataTable動態列。無法過濾Primefaces數據表
於是我就用primefaces 5.3和JSF 2.2
這裏是代碼:
<h:form id="form1">
<p:dataTable var="etudiant" widgetVar="etdTable" paginator="true" rows="10"
rowsPerPageTemplate="5,10,15" value="#{etudiantController.etudiants}"
lazy="false" emptyMessage="Aucune etudiant trouvé"
filteredValue="#{etudiantController.filteredEtudiants}">
<p:column filterBy="#{etudiant.nomEtudiant}" filterMatchMode="exact">
<f:facet name="header">
<h:outputText value="Nom" />
</f:facet>
<h:outputText value="#{etudiant.nomEtudiant}" />
</p:column>
[...]
豆:
private List<Etudiant> etudiants;
private List<Etudiant> filteredEtudiants;
public List<Etudiant> getEtudiants() {
return etudiantService.getAllEtudiants();
}
public List<Etudiant> getFilteredEtudiants() {
return this.filteredEtudiants;
}
public void setFilteredEtudiants(List<Etudiant> filteredEtudiants) {
this.filteredEtudiants = filteredEtudiants;
}
getAllEtudiants()加載所有的學生。
例外:
java.lang.NullPointerException
at org.primefaces.component.datatable.feature.FilterFeature.filter(FilterFeature.java:150)
at org.primefaces.component.datatable.feature.FilterFeature.encode(FilterFeature.java:117)
at org.primefaces.component.datatable.DataTableRenderer.encodeEnd(DataTableRenderer.java:78)
at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:924)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1863) [...]
java.lang.IllegalStateException: CDATA tags may not nest
at com.sun.faces.renderkit.html_basic.HtmlResponseWriter.startCDATA(HtmlResponseWriter.java:681) at javax.faces.context.ResponseWriterWrapper.startCDATA(ResponseWriterWrapper.java:179)[...]
什麼是錯在這裏?
我認爲這是問題,或者至少,它必須得到解決。 jsf中的getter可以被調用100次,只顯示一次頁面。所以你不能在getter中調用db。 –
試試這個:https://stackoverflow.com/questions/5765853/how-and-when-should-i-load-the-model-from-database-for-hdatatable –
我在PostConstruct上加載它,但仍然無法工作。 – Spoonatte