JSF 2 和发布/重定向/获取?

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如果我错了，请纠正我，但我想我所有的非 AJAX 提交都应该使用 Post/Redirect/Get (PRG) 方式，因为 GET 应该用于刷新/查询数据，并且就我而言，我能想到的应用程序页面实际上只是更新数据然后刷新页面，所以我认为 PRG 适合这里.

Please correct me if I'm wrong, but I'm thinking of all of my non-AJAX submits should use the Post/Redirect/Get (PRG) way, since GET should be used to refresh/query data, and in my case, the application pages I can think of really only do update on the data and then refresh the page, so I think PRG fits here.

我相信我可以使用faces-config.way来做到这一点，在那里我使用<redirect/>，或者我可以使用return "myview.xhtml?faces-redirect=true";

I believe I can do this using the faces-config.way, where I make use of the <redirect/>, or I can use the return "myview.xhtml?faces-redirect=true";

现在的问题是..

有没有什么办法可以全局配置，对于非AJAX调用/提交，自动使用faces-redirect=true，这样我的源就这么简单:

Is there any way I can configure this globally that for non-AJAX calls/submits, automatically make use of faces-redirect=true, so that my source is as simple as this:

return "myview";

推荐答案

您可以使用自定义 ConfigurableNavigationHandler.这是一个启动示例:

You could do this with a custom ConfigurableNavigationHandler. Here's a kickoff example:

package com.example; import java.util.Map; import java.util.Set; import javax.faces.application.ConfigurableNavigationHandler; import javax.faces.application.NavigationCase; import javax.faces.application.NavigationHandler; import javax.faces.context.FacesContext; public class RedirectNavigationHandler extends ConfigurableNavigationHandler { private NavigationHandler parent; public RedirectNavigationHandler(NavigationHandler parent) { this.parent = parent; } @Override public void handleNavigation(FacesContext context, String from, String outcome) { if (!outcome.endsWith("?faces-redirect=true")) { outcome += "?faces-redirect=true"; } parent.handleNavigation(context, from, outcome); } @Override public NavigationCase getNavigationCase(FacesContext context, String fromAction, String outcome) { if (parent instanceof ConfigurableNavigationHandler) { return ((ConfigurableNavigationHandler) parent).getNavigationCase(context, fromAction, outcome); } else { return null; } } @Override public Map<String, Set<NavigationCase>> getNavigationCases() { if (parent instanceof ConfigurableNavigationHandler) { return ((ConfigurableNavigationHandler) parent).getNavigationCases(); } else { return null; } } }

在faces-config.xml中注册如下:

<application> <navigation-handler>com.example.RedirectNavigationHandler</navigation-handler> </application>