在Laravel中将值从url传递给控制器

Question

I have created an a tag in my x.blade.pdp file

<a href="{{ URL::to('/certificate/pdf/'.$year) }}" class= "text-center">Print Certificate</a>

In web.php

Route::get('/certificate/pdf/{$year}','PDFController@export_pdf');

My Controller

public function export_pdf( $year)

But when I click on the link the page cannot be displayed. I would like to use the $year in the where clause .

Please I need some assistance

Answer 1

Controller function should be like this

public function export_pdf( Request $request){
  $year = $request->year;
}

Route should be like this

Route::get('/certificate/pdf/{year}','PDFController@export_pdf');

if the year is optional then route is

Route::get('/certificate/pdf/{year?}','PDFController@export_pdf');