GWT。设置网址，无需提交 [英] GWT. Set url without submit

问题描述

我可以在不提交的情况下更改网址（设置参数）吗？
我发现此方法
http://google-web-toolkit.googlecode.com/svn/javadoc/2.1/com/google/gwt/user/client/Window .Location.html＃替换％28java.lang.String％29
，但它提交页面。所有的GWT状态都将丢失。

Can i change url(set parameter) without submit? I found this method http://google-web-toolkit.googlecode.com/svn/javadoc/2.1/com/google/gwt/user/client/Window.Location.html#replace%28java.lang.String%29 but it submit page. All GWT state will be lost.

推荐答案

你为什么要这样做？一般来说，GWT应用程序不会更改页面 - 因此它们通常是 SPA> （单页应用程序）

Why are you trying to do this? Generally speaking, GWT apps don't change pages - thus they are normally SPAs (single page applications)

当您从一台服务器，你将失去该页面上的状态。您可以更改URL的哈希部分，因为它不会返回到服务器，如下所示：

When you load a new page from a server, you will lose the state on that page. You can change the hash part of the URL as that won't return to the server, like this:

String newURL = Window.Location.createUrlBuilder().setHash("newhash").buildString();
Window.Location.replace(newURL);

但是，如果您打算这样做，我建议您查看GWT的MVP框架，它支持使用哈希令牌管理位置。

However, if you're going to do this, I would recommend taking a look at GWT's MVP framework, which has built in support for managing locations using hash tokens.

http://code.google.com/webtoolkit/doc/latest/DevGuideMvpActivitiesAndPlaces.html

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