1.

abort(404, 'Unauthorized action.');

An error will be thrown, showing404.blade.phpview file. How should I outputUnauthorized action.?

in this view file?

2.
How to get the name of the currently executed controller and method?
Use
echo Route::currentRouteAction();# in the controller

##The result is an error:

3.
Route::controllers(['test' => 'TestController']);

Do I have to set the get/post/etc. method for each method in the controller to set the routing in this way?

4.

The url will be output, but I am using https, how should I set it up?

5.Where to put the custom function? See what is written in this article.
composer dump-autoload, maybe sometimes there is only FRP but no SSH permissions. What else? Any solution?http://laravel.so/tricks/e81a15277236d35feb19ad5b86427bdc