我试图像这个PrimeFaces ShowCase描述的那样从bean中显示对话框。 问题是一切都按预期工作,对话框出现了,但是如果我关闭对话框,然后再次按下按钮,对话框就不会出现,除非刷新页面。
这与示例中每次按下按钮都会出现对话框的行为不同。
我代码中唯一的区别是我使用了CDI替代品而不是托管bean包,因为javax.faces.bean
包将被弃用。我的意思是:
javax.inject.Named
代替javax.faces.bean.ManagedBean
javax.faces.view.ViewScoped
代替javax.faces.bean.ViewScoped
无论如何,我也尝试过托管bean包,但仍然存在相同的错误行为。
这是我目前的代码:
index.xhtml
<?xml version='1.0' encoding='UTF-8' ?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:h="http://xmlns.jcp.org/jsf/html"
xmlns:p="http://primefaces.org/ui">
<h:head>
<title>Facelet Title</title>
</h:head>
<h:body>
<h:form>
<p:commandButton value="Open" actionListener="#{viewDialogMB.viewDialog()}"/>
</h:form>
</h:body>
</html>
ViewDialogMB.java
import java.util.HashMap;
import java.util.Map;
import javax.faces.view.ViewScoped;
import javax.inject.Named;
import org.primefaces.context.RequestContext;
@Named(value = "viewDialogMB")
@ViewScoped
public class ViewDialogMB {
public void viewDialog() {
Map<String,Object> options = new HashMap<>();
options.put("modal", true);
options.put("resizable", true);
RequestContext.getCurrentInstance().openDialog("dialog", options, null);
}
}
dialog.xhtml
<?xml version='1.0' encoding='UTF-8' ?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:h="http://xmlns.jcp.org/jsf/html"
xmlns:p="http://primefaces.org/ui">
<h:head>
<title>Dialog Title</title>
</h:head>
<h:body>
<p:outputLabel value="Hello from Dialog!" />
</h:body>
</html>
faces-config.xml(根据Dialog Framework文档)
<?xml version='1.0' encoding='UTF-8'?>
<faces-config version="2.2"
xmlns="http://xmlns.jcp.org/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-facesconfig_2_2.xsd">
<application>
<action-listener>
org.primefaces.application.DialogActionListener
</action-listener>
<navigation-handler>
org.primefaces.application.DialogNavigationHandler
</navigation-handler>
<view-handler>
org.primefaces.application.DialogViewHandler
</view-handler>
</application>
</faces-config>
顺便说一下,我的平台是:
- Glassfish 4
- JSF 2.2
- JDK 1.7 - 64位
- Java EE 7
- PrimeFaces 5.0(社区版)
我已经尝试过Mozilla Firefox,Google Chrome和MS IE11。