您还可以在Laravel中获取Session变量，如下所示，在Controller文件中的任何函数中

You can also get Session variable in Laravel like below in any of your function in Controller file:

$value = Session::get('variableSetOnPageA');

您可以在任何函数中像下面一样设置Session变量:

And you can set your Session variable like below in any of your function:

$variableSetOnPageA = "Can be anything";
Session::put('variableSetOnPageA',$variableSetOnPageA);

确保在Controller文件中，在顶部添加以下代码:

In your Controller file, make sure you add below code at top:

use Session;