当复选框被点击时，页面重定向

Question

我试图将一个简单的复选框附加到素面中的数据列表。复选框用于用户对Purchase Orders进行多个审批。当我不附加复选框时，我单击数据列表，它成功地转到下一页。但是当我附加复选框时，它不成功。任何帮助都将非常感激。谢谢你！

Xhtml:

<p:dataList id="poList" value="#{purchaseOrder.purchaseOrders}"
    var="po" type="inset">
    <f:attribute name="filter" value="true" />
    <f:attribute name="placeholder" value="Search" />
    <f:attribute name="autoDividers" value="true" />
    <f:attribute name="icon" value="grid" />
    <f:attribute name="iconSplit" value="true" />
    <h:outputLabel for="name" value="Standard Label:" />
    <p:column>
        <p:commandLink id="poItem" action="pm:poDetails?transition=slide"
            update=":poDetailsForm:content" styleClass="selection">
            <f:setPropertyActionListener value="#{po}"
                target="#{purchaseOrder.po}" />
            #{po.poNumber}9 for #{po.vendorName} at <br />
            <font color='red'>#{po.moneyValue}</font>
     <p:column>
        <p:selectBooleanCheckbox id="ApprovePOcb" value="" 
            itemLabel="Approve" />  
     </p:column>    
        </p:commandLink>
    </p:column>
    <f:facet name="footer">
        <strong>#{fn:length(purchaseOrder.purchaseOrders)} PO(s)</strong>
    </f:facet>
</p:dataList>   

PurchaseOrderMBean:

public class PurchaseOrderMBean implements Serializable
{
    List<PurchaseOrder> purchaseOrderList;
    PurchaseOrder selectedPo;
    public PurchaseOrderMBean()
    {
        purchaseOrderList = new ArrayList<PurchaseOrder>();
        purchaseOrderList.add(
            new PurchaseOrder(232324, "ABC",  "USD" , 500000.00, "LargeCap"));
        purchaseOrderList.add(
            new PurchaseOrder(43342, "XYZ",  "USD", 700000.00, "MediumCap"));
    }
    public List<PurchaseOrder> getPurchaseOrders()
    {
        List<PurchaseOrder> pendingPos = new ArrayList<PurchaseOrder>();

        for (PurchaseOrder po : purchaseOrderList)
        {
            if ((po.getStatus().equals("PEN")))
            {
                pendingPos.add(po);
            }
        }
        return pendingPos;
    }
    public void setPo(PurchaseOrder po)
    {
        selectedPo = po;
        System.out.println("PO selected: " + po);
    }
    public PurchaseOrder getPo()
    {
        return selectedPo;
    }
    public void savePurchaseOrder()
    {
        System.out.println("savePurchaseOrder() called");
    }
    public void setUpdateStatus(String poid)
    {
        System.out.println("setUpdateStatus() called");
        PurchaseOrder po=(PurchaseOrder)getPurchaseOrder(poid);             
        po.setStatus("APPROVE");        
        System.out.println("setUpdateStatus() updated");
    }
    public String getUpdateStatus()
    {
        return "";
    }
    public PurchaseOrder getPurchaseOrder(String poid)
    {
        PurchaseOrder po=null;
        System.out.println("getPurchaseOrder() called");
        for (int i=0;i<this.getPurchaseOrders().size();i++)
        {
            po=(PurchaseOrder)getPurchaseOrders().get(i);
            if (po.getPoNumber()==Long.parseLong(poid))
                break;
        }
        System.out
            .println("getPurchaseOrder() po returned");
        return po;
    }

    public String gotoDetails()
    {
        return "po_details?transition=slide";
    }
}

我只是卡住了当我添加复选框。我试了很久了

Answer 1

添加调用bean并进行重定向，这样的:

<p:selectBooleanCheckbox id="ApprovePOcb" value="" itemLabel="Approve" />  
   <p:ajax event="change" listener="#{bean.checkboxChanged}"/>
</p:column>

和在bean做:

public class bean implements Serializable {
    //all variabile and methode
    public void checkboxChanged() {
        try {
            FacesContext.getCurrentInstance()
                .getExternalContext().redirect("./page.jsf");
        }
        catch (IOException e) {
            //error
        }
    }
}