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我希望在primefaces 3.2中使用級聯下拉,但它不起作用。下面是我的XHTML代碼:在primefaces 3.2級聯下拉不起作用
<p:selectOneMenu style="width: 150px" value="#{watchBean.exchange}">
<f:selectItem itemLabel="NSE" itemValue="nse"/>
<f:selectItem itemLabel="BSE" itemValue="bse"/>
<p:ajax event="change" update="sym" listener="#{watchBean.wow}" />
</p:selectOneMenu>
<p:selectOneMenu style="width: 150px" id="sym" value="#{watchBean.sl}" var="scrip">
<f:selectItems itemLabel="#{scrip.scripSymbol}" itemValue="#{scrip.scripSymbol}"/>
</p:selectOneMenu>
bean代碼:
import java.util.List;
import javax.annotation.ManagedBean;
import javax.inject.Named;
import javax.enterprise.context.RequestScoped;
import javax.faces.context.FacesContext;
import javax.faces.event.ValueChangeEvent;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import javax.xml.ws.WebServiceRef;
import service.MasterScrip;
import service.StatelessWebService_Service;
/**
*
* @author root
*/
@javax.faces.bean.ManagedBean
@javax.faces.bean.RequestScoped
public class watchBean {
@WebServiceRef(wsdlLocation = "WEB-INF/wsdl/localhost_8080/StatelessWebService/StatelessWebService.wsdl")
private StatelessWebService_Service service;
/** Creates a new instance of watchBean */
public watchBean() {
}
String uname,scripSym,exchange;
Integer scripID;
List<UserTrack> ut;
List<MasterScrip> sl;
public List<MasterScrip> getSl() {
return sl;
}
public void setSl(List<MasterScrip> sl) {
this.sl = sl;
}
public String getExchange() {
return exchange;
}
public void setExchange(String exchange) {
sl=getAllScripByExchange(exchange);
setSl(sl);
this.exchange = exchange;
}
public void wow(ValueChangeEvent e)
{
sl=getAllScripByExchange((String)e.getNewValue());
// setSl(sl);
//FacesContext.getCurrentInstance().renderResponse();
// sl=getAllScripByExchange(exchange);
} ....
我得到以下錯誤:
javax.el.MethodNotFoundException: Method not found: [email protected].wow(javax.faces.event.AjaxBehaviorEvent)
我提到How do I get PrimeFaces <p:selectOneMenu> to call valueChangeListener?並從我的代碼刪除的監聽,只有不停第一個下拉菜單的值屬性,仍然不起作用,那麼它不會產生錯誤,第二個下拉菜單不會動態填充。 我被困在這,這個錯誤的原因是什麼,它如何解決?
謝謝mate..it工作 – z22
@ z22沒問題! – Damian