PHP somo la 99: Jinsi ya kutumia ORM kwa kutumia library ya RedBeanPHP
Katika somo hili utakwenda kujifunza Jinsi ya kutumia ORM kwa kutumia library ya RedBeanPHP
Hapa sasa ndipo tunakwenda kuitumia database yetu ili kuweza kutengeneza shopmanagement app. Tutatumia table zile zile tulizozitumia awali. Tutafanya kile kile tulichokifanya. Hapa utaona urahisi zaidi wa kutumia ORM.
Hii ni setup nzuri kwa mfumo wa "Shop Management" kwa kutumia RedBeanPHP. ✅ Nitakuandikia kila ukurasa (products.php, customers.php, transactions.php) hatua kwa hatua na kuhakikisha kuwa unaweza:
- Kuongeza bidhaa (products)
- Kuongeza wateja (customers)
- Kufanya manunuzi (transactions)
- Kuonyesha data zote
- Kuhariri (edit) na kufuta (delete) rekodi
🔹 Kwanza: Unda Database shop
Hakikisha umeunda database shop, kisha RedBeanPHP itajenga tables moja kwa moja.
CREATE DATABASE shop;
Kisha hakikisha umeinstall RedBeanPHP kama nilivyoeleza awali.
📌 1. db.php - Kusanidi RedBeanPHP
Faili hili litatumika katika kila ukurasa kuunganisha database. Kutumia composer kunaweza kuleta shida ikawa baadhi ya mafaili hayapatikani hivyo ukiwa na tatizo hilo vyema kutembelea kwenye website yao kisha download faili husika la driver, kisha include kwenye faili la database configuration. rejea somo lililotangualia.
<?php
require 'vendor/autoload.php';
R::setup('mysql:host=127.0.0.1;dbname=shop', 'root', '');
if (!R::testConnection()) {
die('Database haijaunganishwa!');
}
?>
📌 2. products.php - Kusimamia Bidhaa (Products)
- Kuongeza bidhaa
- Kuhariri bidhaa
- Kufuta bidhaa
- Kuonyesha bidhaa zote
<?php
require 'db.php';
// Ongeza Product
if (isset($_POST['add'])) {
$product = R::dispense('products');
$product->name = $_POST['name'];
$product->price = $_POST['price'];
R::store($product);
header("Location: products.php");
}
// Futa Product
if (isset($_GET['delete'])) {
$product = R::load('products', $_GET['delete']);
R::trash($product);
header("Location: products.php");
}
// Hariri Product
if (isset($_POST['edit'])) {
$product = R::load('products', $_POST['id']);
$product->name = $_POST['name'];
$product->price = $_POST['price'];
R::store($product);
header("Location: products.php");
}
// Pata Products zote
$products = R::findAll('products');
?>
<h2>Manage Products</h2>
<form method="post">
<input type="text" name="name" placeholder="Product Name" required>
<input type="number" name="price" placeholder="Price" required>
<button type="submit" name="add">Add Product</button>
</form>
<table border="1">
<tr><th>Name</th><th>Price</th><th>Action</th></tr>
<?php foreach ($products as $product): ?>
<tr>
<td><?= $product->name; ?></td>
<td><?= $product->price; ?></td>
<td>
<a href="?delete=<?= $product->id; ?>">Delete</a>
<form method="post" style="display:inline;">
<input type="hidden" name="id" value="<?= $product->id; ?>">
<input type="text" name="name" value="<?= $product->name; ?>">
<input type="number" name="price" value="<?= $product->price; ?>">
<button type="submit" name="edit">Edit</button>
</form>
</td>
</tr>
<?php endforeach; ?>
</table>
📌 3. customers.php - Kusimamia Wateja (Customers)
- Kuongeza mteja
- Kuhariri mteja
- Kufuta mteja
- Kuonyesha wateja wote
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