Katika somo hii utakwenda kujifunza jinsi ya kufanya CRUDE operation kwa kutumia PDO. crude operation inahusu create, read, update. Delete.
Database ambayo tunakwend akuitumia ni ileile ya wanafunzi. Ila ongeza table nyingine iite majibu. Table hiyo iwe na column 3 ambazo ni id, jina, alama. Hakikisha column id ni autoincrement..
Project yetu tauwa na mfali 6 ambayo ni
Kama nilivyo eleza kwene somo lilotanguliwa kuwa tutatumia mfumo wa OOP yaani object oriented programming. Hivyo kama utarejea project yetu ya CRUDE operation kwa kutumia OOP unaweza kuelewa zaidi.
index.php
Tengeneza faili liite index.php kisha pest code hizo hapo chini:-
<?php
require_once 'wanafunzi_class.php';
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="stylesheet" href="style.css">
<title>Majibu Data</title>
</head>
<body>
<?php
echo '<table border="1" class="center">';
echo '<a href="add.php"><h1>Add data</h1></a>';
echo '<tr><th>ID</th>
<th>Name</th>
<th>Alama</th>
<th>Edit</th>
<th>Delete</th>
</tr>';
$majina = $db->majina_ya_wanafunzi();
foreach ($majina as $jina) {
$options = $db->majina_ya_wanafunzi();
//echo $jina[0] . ' ' . $jina[1] . '<br>';
echo '<tr>';
echo '<td>' .$jina['id'] . '</td>';
echo '<td>' . $jina['jina'] . '</td>';
echo '<td>' . $jina['alama'] . '</td>';
echo '<td><a href="edit.php?id='.$jina['id'].'">âœ</a> </td>';
echo '<td><a href="delete.php?id='.$jina['id'].'">âŒ</a> </td>';
echo '</tr>';
}
echo '</table>';
?>
</body>
</html>
add.php
Tengeneza faili liite add.php kisha pest code hizo hapo chini:-
<?php
require_once 'wanafunzi_class.php';
if (isset($_POST['submit'])){
// Insert data
$jina = $_POST['jina'];
$matokeo = $_POST['alama'];
$insertResult = $db->insertData($jina, $matokeo);
if ($insertResult) {
echo "<h1>Data inserted successfully!</h1>";
echo '<script>function quiz (){window.location.replace("index.php")}var myTimeout = setTimeout(quiz, 500)</script>';
} else {
echo "Error inserting data.";
}
}
?>
<br><br><br>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link href="style.css" rel="stylesheet">
<title>Styled Form</title>
</head>
<body>
<form action="" method="post">
<label for="jina">Jina</label><br>
<input type="text" name="jina"><br><br>
<label for="alama">Alama</label><br>
<input type="number" name="alama"><br><br>
<input type="submit" name="submit" value="Save">
</form>
</body>
</html>
edit.php
Tengeneza faili liite edit.php kisha pest code hizo hapo chini:-
<?php
require_once 'wanafunzi_class.php';
// Check if the form for editing is submitted
if (isset($_POST['edit_submit'])) {
$id_to_edit = $_POST['edit_id'];
$edited_jina = $_POST['edited_jina'];
$edited_matokeo = $_POST['edited_alama'];
// Edit data
$editResult = $db->editData($id_to_edit, $edited_jina, $edited_matokeo);
if ($editResult) {
echo "<h1>Data edited successfully!</h1>";
echo '<script>function quiz (){window.location.replace("index.php")}var myTimeout = setTimeout(quiz, 500)</script>'">...
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Umeionaje Makala hii.. ?
katika somo hili utajifunza jinsi ya ku upload multiple file yaani mafaili mengi kwa wakati mmoja kwa kutumia PHP
Soma Zaidi...Katika somo hili utakwenda kujifunza concept mpya ya abstract class na abstract method kwenye OOP.
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Soma Zaidi...Katika somo ili utakwenda kujifunz ahatuwa kwa hatuwa jinsi ya kutengeneza json data kutkana na data ambazo zio kwenye database
Soma Zaidi...Katika somo hili utajifnza jinsi ya kufanya prepared statement kama njia ya kuzuia sql ingection kwenye PHP blog
Soma Zaidi...Katika somo hili utakwenda kujifunza jinsi ya kutumia PHP kutengeneza tabale kwenye database ya mysql .
Soma Zaidi...Katika somo hili utajifunza jinsi ya kufanya sanitization kwenye user input ili kuzuia sql injection kwenye database.
Soma Zaidi...Katika somo hili utakwenda kuona namna ya kutuia if else kwenye data zilizopo kwenye database kwa kutumia PHP
Soma Zaidi...Katika somo hili utakwenda kujifunza jinsi ya kutengeneza class na object. Tunakwenda kutumia mfano wetu wa hapo juu kwa ajili ya kukamilisha somo hili.
Soma Zaidi...