Membangun aplikasi web di era modern memerlukan pondasi yang kokoh. Framework modern memberikan fleksibilitas luar biasa bagi developer untuk menghadirkan fitur kompleks secara cepat tanpa mengabaikan aspek keamanan dan keandalan sistem.
Tahapan Implementasi & Walkthrough Kode
Berikut adalah langkah demi langkah teknis yang dapat Anda ikuti langsung pada codebase Anda:
Tahap 1: Penulisan Kode & Konfigurasi
composer require maatwebsite/excel
Tahap 2: Penulisan Kode & Konfigurasi
/*
* Package Service Providers...
*/
Maatwebsite\Excel\ExcelServiceProvider::class,
Tahap 3: Penulisan Kode & Konfigurasi
'Excel' => Maatwebsite\Excel\Facades\Excel::class,
Tahap 4: Penulisan Kode & Konfigurasi
php artisan vendor:publish --provider="Maatwebsite\Excel\ExcelServiceProvider"
Tahap 5: Penulisan Kode & Konfigurasi
php artisan make:import UsersImport --model=User
Tahap 6: Penulisan Kode & Konfigurasi
<?php
namespace App\Imports;
use App\User;
use Illuminate\Support\Facades\Hash;
use Maatwebsite\Excel\Concerns\ToModel;
class UsersImport implements ToModel
{
/**
* @param array $row
*
* @return \Illuminate\Database\Eloquent\Model|null
*/
public function model(array $row)
{
return new User([
'name' => $row[0],
'email' => $row[1],
'password' => Hash::make($row[2]),
]);
}
}
Tahap 7: Penulisan Kode & Konfigurasi
php artisan make:controller UsersController
Tahap 8: Penulisan Kode & Konfigurasi
<?php
namespace App\Http\Controllers;
use App\Imports\UsersImport;
use App\User;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Storage;
use Maatwebsite\Excel\Facades\Excel;
class UsersController extends Controller
{
public function index()
{
$users = User::latest()->get();
return view('data_users', compact('users'));
}
public function import(Request $request)
{
$this->validate($request, [
'file' => 'required|mimes:csv,xls,xlsx'
]);
$file = $request->file('file');
// membuat nama file unik
$nama_file = $file->hashName();
//temporary file
$path = $file->storeAs('public/excel/',$nama_file);
// import data
$import = Excel::import(new UsersImport(), storage_path('app/public/excel/'.$nama_file));
//remove from server
Storage::delete($path);
if($import) {
//redirect
return redirect()->route('users.index')->with(['success' => 'Data Berhasil Diimport!']);
} else {
//redirect
return redirect()->route('users.index')->with(['error' => 'Data Gagal Diimport!']);
}
}
}
Tahap 9: Penulisan Kode & Konfigurasi
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css">
<link rel="stylesheet" href="//cdn.datatables.net/1.10.20/css/jquery.dataTables.min.css">
<title>Data Users</title>
</head>
<body>
<div class="container" style="margin-top: 80px">
<div class="row">
<div class="col-md-12">
@if($message = Session::get('success'))
<div class="alert alert-success" role="alert">
{{ $message }}
</div>
@elseif($message = Session::get('error'))
<div class="alert alert-danger" role="alert">
{{ $message }}
</div>
@endif
<div class="card">
<div class="card-header">
DATA USERS
</div>
<div class="card-body">
<div class="button-action" style="margin-bottom: 20px">
<button type="button" class="btn btn-success" data-toggle="modal" data-target="#import">
IMPORT
</button>
<a href="" class="btn btn-primary btn-md">EXPORT</a>
</div>
<div class="table-responsive">
<table class="table table-bordered" id="table">
<thead>
<tr>
<th scope="col">NAMA LENGKAP</th>
<th scope="col">ALAMAT EMAIL</th>
</tr>
</thead>
<tbody>
@foreach ($users as $user)
<tr>
<td>{{ $user->name }}</td>
<td>{{ $user->email }}</td>
</tr>
@endforeach
</tbody>
</table>
</div>
</div>
</div>
</div>
</div>
</div>
<!-- modal -->
<div class="modal fade" id="import" tabindex="-1" role="dialog" aria-labelledby="exampleModalLabel" aria-hidden="true">
<div class="modal-dialog" role="document">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title">IMPORT DATA</h5>
<button type="button" class="close" data-dismiss="modal" aria-label="Close">
<span aria-hidden="true">×</span>
</button>
</div>
<form action="{{ route('users.import') }}" method="POST" enctype="multipart/form-data">
@csrf
<div class="modal-body">
<div class="form-group">
<label>PILIH FILE</label>
<input type="file" name="file" class="form-control" required>
</div>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-secondary" data-dismiss="modal">TUTUP</button>
<button type="submit" class="btn btn-success">IMPORT</button>
</div>
</form>
</div>
</div>
</div>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js"></script>
<script src="//cdn.datatables.net/1.10.20/js/jquery.dataTables.min.js"></script>
<script>
$(document).ready( function () {
$('#table').DataTable();
} );
</script>
</body>
</html>
Tahap 10: Penulisan Kode & Konfigurasi
Route::get('/users', 'UsersController@index')->name('users.index');
Route::post('/users/import', 'UsersController@import')->name('users.import');
Selalu gunakan pendekatan deklaratif, validasi input seawal mungkin di boundary layer, dan lakukan logging terstruktur untuk memudahkan observability ketika sistem dijalankan di lingkungan cloud produksi.
Kesimpulan
Dengan mengikuti langkah-langkah terstruktur di atas, implementasi modul Anda akan jauh lebih rapi, aman dari bug umum, serta siap diskalakan ke lingkungan produksi.
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