0
即时使用数据表使用primefaces和我想选择一个特定的行和显示日期，但我面临的问题是，当我选择任何行时，它只显示第一行数据不是选择..这里是代码JSF Primefaces数据表行选择错误
view.xhtml：
<h:form prependId="false" id="form">
<p:dataTable id="dataTable" var="car" value="#{tableBean.getList()}"
paginator="true" rows="10" selectionMode="single" selection="#{tableBean.selectedCar}" rowKey="#{car.model}"
paginatorTemplate="{CurrentPageReport} {FirstPageLink} {PreviousPageLink} {PageLinks} {NextPageLink} {LastPageLink} {RowsPerPageDropdown}"
rowsPerPageTemplate="5,10,15">
<f:facet name="header">
Posted Jobs
</f:facet>
<p:column>
<f:facet name="header">
<h:outputText value="Model" />
</f:facet>
<h:outputText value="#{car.model}" />
</p:column>
<p:column>
<f:facet name="header">
<h:outputText value="Year" />
</f:facet>
<h:outputText value="#{car.year}" />
</p:column>
<p:column>
<f:facet name="header">
<h:outputText value="Manufacturer" />
</f:facet>
<h:outputText value="#{car.manufacturer}" />
</p:column>
<p:column>
<f:facet name="header">
<h:outputText value="Color" />
</f:facet>
<h:outputText value="#{car.color}" />
</p:column>
<f:facet name="footer">
<p:commandButton id="viewButton" value="View" icon="ui-icon-search"
update=":form:display" oncomplete="carDialog.show()" actionListener="#{tableBean.add}"
/>
</f:facet>
</p:dataTable>
<p:dialog id="dialog" header="Car Detail" widgetVar="carDialog" resizable="false"
width="200" showEffect="clip" hideEffect="fold">
<h:panelGrid id="display" columns="2" cellpadding="4">
<h:outputText value="Model:" />
<h:outputText value="#{tableBean.selectedCar.model}" />
<h:outputText value="Year:" />
<h:outputText value="#{tableBean.selectedCar.year}" />
<h:outputText value="Manufacturer:" />
<h:outputText value="#{tableBean.selectedCar.manufacturer}" />
<h:outputText value="Color:" />
<h:outputText value="#{tableBean.selectedCar.color}" />
</h:panelGrid>
</p:dialog>
</h:form>
Bean类：
package Bean;
import java.io.IOException;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.SessionScoped;
import javax.faces.context.FacesContext;
@ManagedBean
public class TableBean implements Serializable {
private static final long serialVersionUID = 1L;
private Cars selectedCar;
public Cars getSelectedCar() {
return selectedCar;
}
public void setSelectedCar(Cars selectedCar) {
this.selectedCar = selectedCar;
}
public static long getSerialversionuid() {
return serialVersionUID;
}
public List<Cars> getList() {
List<Cars> Carss = new ArrayList<Cars>();
Cars c = new Cars();
c.setColor("sd");
c.setManufacturer("sd");
c.setModel("sd");
c.setYear("1212");
Cars c1 = new Cars();
c1.setColor("sd");
c1.setManufacturer("sd");
c1.setModel("sd");
c1.setYear("1000");
Carss.add(c1);
Carss.add(c);
return Carss;
}
public void add(){
System.out.print(getSelectedCar().getYear());
}
}