Laravel 5 Simple Export CSV

export_csv.php

<?php
namespace App\Http\Controllers;

use Illuminate\Http\Request;
use App\Http\Requests;
use App\Http\Controllers\Controller;

use Excel;
use App\Models\Appointment;

public function export()
{
  $datalist = Appointment::get();
	$report15 = function ($excel) use ($datalist) {
			$excel->sheet('mySheet', function ($sheet) use ($datalist) {
				$sheet->fromArray($datalist);
	    });
  }
  return Excel::create('report15', $report15)->download('csv');
}