封锁整个页面 [英] Block entire page
本文介绍了封锁整个页面的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
当我更改页面(从第1页到第2页)时，存在一些延迟，可以单击其他按钮，然后执行这些操作.因此，我想在等待加载下一页的页面期间屏蔽该页面，我该怎么办?
When I change the page (page1 to page2) exists some delay and it is possible to click other buttons and these actions go run. So I would like to block the page during the waiting time for loading the following page, how do I?
我使用jsf2和primefaces.
I use jsf2 and primefaces.
这时已经测试了blockUI和blockUI扩展->不起作用
At this time already tested blockUI and blockUI-extensions -> not work
推荐答案
您应该告诉我们.为什么p:blockUI不起作用?
You should tell us. Why p:blockUI is not work?
尝试一下.是工作.
page1.xhtml
page1.xhtml
<?xml version="1.0" encoding="UTF-8"?>
<!--
To change this license header, choose License Headers in Project Properties.
To change this template file, choose Tools | Templates
and open the template in the editor.
-->
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:h="http://java.sun.com/jsf/html"
xmlns:f="http://java.sun.com/jsf/core"
xmlns:ui="http://java.sun.com/jsf/facelets"
xmlns:p="http://primefaces.org/ui">
<h:head>
<f:facet name="first">
<meta http-equiv="Content-Type"
content="text/html; charset=UTF-8" />
<meta name="viewport"
content="user-scalable=no,
width=device-width,
initial-scale=1.0,
maximum-scale=1.0"/>
</f:facet>
<title>page1</title>
</h:head>
<h:body id="bodyView">
page1
<h:form id="form1">
<p:editor id="editor"
widgetVar="editorWidget"
width="600" />
</h:form>
<h:form id="form2">
<p:blockUI block=":bodyView"
widgetVar="bui"/>
<p:commandButton id="redirect"
value="go to page2"
onclick="PF('bui').show();"
actionListener="#{blockView.redirect}"/>
</h:form>
</h:body>
</html>
page2.xhtml
page2.xhtml
<?xml version="1.0" encoding="UTF-8"?>
<!--
To change this license header, choose License Headers in Project Properties.
To change this template file, choose Tools | Templates
and open the template in the editor.
-->
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:h="http://java.sun.com/jsf/html"
xmlns:f="http://java.sun.com/jsf/core"
xmlns:ui="http://java.sun.com/jsf/facelets"
xmlns:p="http://primefaces.org/ui">
<h:head>
<f:facet name="first">
<meta http-equiv="Content-Type"
content="text/html; charset=UTF-8" />
<meta name="viewport"
content="user-scalable=no,
width=device-width,
initial-scale=1.0,
maximum-scale=1.0"/>
</f:facet>
<title>page2</title>
</h:head>
<h:body>
<h:form>
page2
</h:form>
</h:body>
</html>
MangedBean
MangedBean
import java.io.Serializable;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.ViewScoped;
import javax.faces.context.FacesContext;
import javax.faces.event.ActionEvent;
/**
*
* @author Wittakarn
*/
@ViewScoped
@ManagedBean(name = "blockView")
public class BlockView implements Serializable{
public void redirect(ActionEvent event){
try {
Thread.sleep(4000);
FacesContext.getCurrentInstance().getExternalContext().redirect("page2.xhtml");
} catch (Exception ex) {
ex.printStackTrace();
}
}
}
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