laravel download file

/** @param \Illuminate\Http\Request  $request
 * @return \Illuminate\Auth\Access\Response */
public function download(Request $request)
{
    $file = public_path(). "/images/test.jpg";
    $headers = ['Content-Type: image/jpeg'];
    if (file_exists($file)) {
        return \Response::download($file, 'plugin.jpg', $headers);
    } else {
        echo('File not found.');
    }
}

composer global require "laravel/installer"

composer global require "laravel/installer=~1.1"

$('a#someID').attr({target: '_blank', 
                    href  : 'http://localhost/directory/file.pdf'});

<?php
 
namespace App\Http\Controllers;
 
use App\Http\Controllers\Controller;
use Illuminate\Http\Request;
 
class UserAvatarController extends Controller
{
    /**
     * Update the avatar for the user.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return \Illuminate\Http\Response
     */
    public function update(Request $request)
    {
        $path = $request->file('avatar')->store('avatars');
 
        return $path;
    }
}