在播放framewrok 2.2 scala模板时读取cookie值 [英] reading cookie value in play framewrok 2.2 scala template

问题描述

我正尝试读取播放框架模板内的cookie值（不在控制器内）。我正在尝试以下不工作：

I am trying to read a cookie value inside the play framework template (not inside a controller). I am trying the following which is not working:

@ val cookieVal = request.cookies.get('PLAY_SESSION').value

任何解决此问题的建议都将不胜感激。我试图这样做的原因是改变页面基于cookie值呈现的方式。

Any suggestions to fix this will be greatly appreciated. The reason why I am trying this is to change how the page gets rendered based on a cookie value.

推荐答案

在模板中，您可以定义 val s，如下所示：

In templates you define vals as follows:

@defining(request.cookies.get('PLAY_SESSION').value) { theValue =>
  <div>Hello @theValue</div>
}

我个人更喜欢读取控制器中的cookies并将它们传递给模板如果需要的话。

I personally prefer to read the cookies in the controller and pass them to the template if needed.

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