controller demo (1)

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
Use Excel;

class DemoController extends Controller
{
    function index(){
    Excel::create('New file', function($excel) {

        $excel->sheet('First sheet', function($sheet) {
            $sheet->loadView('excel.exp1');
        });

    })->export('xls');;

    }
}