jsf输入按键问题 [英] jsf enter key pressed problem

问题描述

我有一个带有两个按钮的xhtml弹出页面.这两个按钮在其后备bean中都有actionListener方法.当用户单击Enter时，我如何确保第一个按钮actionListener方法被调用.

i have a xhtml popup page which has two buttons.The two buttons have actionListener methods in their backing beans. When the user clicks enter how can i ensure that the first buttons actionListener method gets called.

推荐答案

几个框架都提供了一个标签来允许这样做，例如，< s:defaultAction/> http://seamframework.org/"rel =" nofollow noreferrer> Jboss Seam .它只是向您的页面添加了一段javascript，以监听回车键.

Several frameworks provide a tag to allow for this, for example <s:defaultAction/> from Jboss Seam. It is just adds a piece of javascript to your page that listens for the enter key.

如果您不使用Seam或类似产品，则可以自己添加javascript-例如

If you aren't using Seam or similar, then add the javascript yourself - for example something like this

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