jsf中弹出win型对话框

<h:form id="form1">
   <a4j:outputPanel ajaxRendered="true">
    <rich:message id="hmessage" for="infor" style="display:none" />
    <script language="javascript" type="text/javascript">   
           //<![CDATA[   
          try{   
              var msg= document.getElementById( "form1:hmessage").innerHTML.replace(/<.+?>/gim,'');   
             if(msg){   
                  if(msg.length > 0){   
                       alert(msg);   
                   }   
               }   
           }catch(e){}   
           //]]>   
       </script>
   </a4j:outputPanel>
<h:input id="qqq"/>
</h:form>

 

 注意，在底层id号的赋值情况

 FacesUtils.addErrorMessage("form1:qqq", e .getMessage());

package com.cvicse.report.ui.portal.util;

import java.util.ResourceBundle;

import javax.faces.FactoryFinder;
import javax.faces.application.Application;
import javax.faces.application.ApplicationFactory;
import javax.faces.application.FacesMessage;
import javax.faces.context.ExternalContext;
import javax.faces.context.FacesContext;
import javax.faces.el.ValueBinding;
import javax.faces.webapp.UIComponentTag;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;

public class FacesUtils {
	/**
	 * Get servlet context.
	 * 
	 * @return the servlet context
	 */
	public static ServletContext getServletContext() {
		return (ServletContext) FacesContext.getCurrentInstance()
				.getExternalContext().getContext();
	}

	public static ExternalContext getExternalCpntext() {
		return FacesContext.getCurrentInstance().getExternalContext();
	}

	/**
	 * Get managed bean based on the bean name.
	 * 
	 * @param beanName
	 *            the bean name
	 * @return the managed bean associated with the bean name
	 */
	public static Object getManagedBean(String beanName) {
		Object o = getValueBinding(getJsfEl(beanName)).getValue(
				FacesContext.getCurrentInstance());

		return o;
	}

	/**
	 * Remove the managed bean based on the bean name.
	 * 
	 * @param beanName
	 *            the bean name of the managed bean to be removed
	 */
	public static void resetManagedBean(String beanName) {
		getValueBinding(getJsfEl(beanName)).setValue(
				FacesContext.getCurrentInstance(), null);
	}

	/**
	 * Store the managed bean inside the session scope.
	 * 
	 * @param beanName
	 *            the name of the managed bean to be stored
	 * @param managedBean
	 *            the managed bean to be stored
	 */
	public static void setManagedBeanInSession(String beanName,
			Object managedBean) {
		FacesContext.getCurrentInstance().getExternalContext().getSessionMap()
				.put(beanName, managedBean);
	}

	/**
	 * Get parameter value from request scope.
	 * 
	 * @param name
	 *            the name of the parameter
	 * @return the parameter value
	 */
	public static String getRequestParameter(String name) {
		return (String) FacesContext.getCurrentInstance().getExternalContext()
				.getRequestParameterMap().get(name);
	}

	/**
	 * Add information message.
	 * 
	 * @param msg
	 *            the information message
	 */
	public static void addInfoMessage(String msg) {
		addInfoMessage(null, msg);
	}

	/**
	 * Add information message to a sepcific client.
	 * 
	 * @param clientId
	 *            the client id
	 * @param msg
	 *            the information message
	 */
	public static void addInfoMessage(String clientId, String msg) {
		FacesContext.getCurrentInstance().addMessage(clientId,
				new FacesMessage(FacesMessage.SEVERITY_INFO, msg, msg));
	}

	/**
	 * Add error message.
	 * 
	 * @param msg
	 *            the error message
	 */
	public static void addErrorMessage(String msg) {
		addErrorMessage(null, msg);
	}

	/**
	 * Add error message to a sepcific client.
	 * 
	 * @param clientId
	 *            the client id
	 * @param msg
	 *            the error message
	 */
	public static void addErrorMessage(String clientId, String msg) {
		FacesContext.getCurrentInstance().addMessage(clientId,
				new FacesMessage(FacesMessage.SEVERITY_ERROR, msg, msg));
	}

	/**
	 * Evaluate the integer value of a JSF expression.
	 * 
	 * @param el
	 *            the JSF expression
	 * @return the integer value associated with the JSF expression
	 */
	public static Integer evalInt(String el) {
		if (el == null) {
			return null;
		}

		if (UIComponentTag.isValueReference(el)) {
			Object value = getElValue(el);

			if (value == null) {
				return null;
			} else if (value instanceof Integer) {
				return (Integer) value;
			} else {
				return new Integer(value.toString());
			}
		} else {
			return new Integer(el);
		}
	}

	private static Application getApplication() {
		ApplicationFactory appFactory = (ApplicationFactory) FactoryFinder
				.getFactory(FactoryFinder.APPLICATION_FACTORY);
		return appFactory.getApplication();
	}

	private static ValueBinding getValueBinding(String el) {
		return getApplication().createValueBinding(el);
	}

	private static HttpServletRequest getServletRequest() {
		return (HttpServletRequest) FacesContext.getCurrentInstance()
				.getExternalContext().getRequest();
	}

	private static Object getElValue(String el) {
		return getValueBinding(el).getValue(FacesContext.getCurrentInstance());
	}

	private static String getJsfEl(String value) {
		return "#{" + value + "}";
	}

	public static String getMessageByKey(String key) {
		String messageBundleName = FacesContext.getCurrentInstance()
				.getApplication().getMessageBundle();
		ResourceBundle resourceBundle = ResourceBundle
				.getBundle(messageBundleName);
		try {
			return resourceBundle.getString(key);
		} catch (Exception e) {
			return key;
		}
	}
}