Minggu, 03 Januari 2016

TUTORIAL SEDERHANA PHP OOP CRUD MySQL



TUTORIAL SEDERHANA PHP OOP CRUD MySQL

Untuk belajar sangat lah di butuhkan kemauan dan tekad yang kuat untuk menjadi bisa. Jangan pernah menyerah, lebih baik bertanya. Oke mari kita belajar Pemrograman PHP berorientasi object. Bagi anda atau saudara yang pengen tahu lebih jauh tentang PHP berorientasi Object bisa browsing di mbah Google isi kata kuncinya,
Emmm.... trus di baca.

Baik lah kita langsung buat class-class pada PHP, Berikut :
index.php
add_records.php
edit_records.php
dbcrud.php
inc
-- class.crud.php
-- dbconfig.php

Sebelum nya kita desain dulu database nya dulu ;
Misal buat nama database <i>dbtuts</i>
anda bisa copy paste aja di bawah ini ;

CREATE DATABASE `dbtuts` ;
CREATE TABLE `dbtuts`.`users` (
`user_id` INT( 10 ) NOT NULL AUTO_INCREMENT PRIMARY KEY ,
`first_name` VARCHAR( 25 ) NOT NULL ,
`last_name` VARCHAR( 25 ) NOT NULL ,
`user_city` VARCHAR( 45 ) NOT NULL
) ENGINE = InnoDB;

Membuat konfigurasi database :
buat file php dengan nama
dbconfig.php , berikut isi file di bawah ini.

<?php
define('DB_SERVER','localhost');
define('DB_USER','root');
define('DB_PASSWORD','');
define('DB_NAME','dbtuts');

class DB_con
{
 function __construct()
 {
  $conn = mysql_connect(DB_SERVER,DB_USER,DB_PASSWORD) or die('error connecting to server'.mysql_error());
  mysql_select_db(DB_NAME, $conn) or die('error connecting to database->'.mysql_error());
 }
}
?>

Buat Function pada file php dengan nama
class.crud.php , berikut isi file di bawah ini .

<?php
include_once 'dbconfig.php';
 
class CRUD
{
 public function __construct()
 {
  $db = new DB_con();
 }
 
 public function create($fname,$lname,$city)
 {
  mysql_query("INSERT INTO users(first_name,last_name,user_city) VALUES('$fname','$lname','$city')");
 }
 
 public function read()
 {
  return mysql_query("SELECT * FROM users");
 }
 
 public function delete($id)
 {
  mysql_query("DELETE FROM users WHERE user_id=".$id);
 }
 
 public function update($fname,$lname,$city,$id)
 {
  mysql_query("UPDATE users SET first_name='$fname', last_name='$lname', user_city='$city' WHERE user_id=".$id);
 }
}
?>


CREATE : Data Insert

Untuk memasukkan data pada tabel di mysql, kita membutuhkan script Html untuk menampung semua fields tabel users
berikut HTML code form yang akan di pakai untuk data insert :

HTML From

<form method="post">
<input type="text" name="fname" placeholder="first name" />
<input type="text" name="lname" placeholder="last name" />
<input type="text" name="city" placeholder="city" />
<button type="submit" name="save">save</button>
</form>

Potongan script untuk memanggil function di dalam script html form.
<?php
include_once 'inc/class.crud.php';
$crud = new CRUD();
if(isset($_POST['save']))
{
 $fname = $_POST['fname'];
 $lname = $_POST['lname'];
 $city = $_POST['city'];
 
 // insert
    $crud->create($fname,$lname,$city);
 // insert
}
?>


READ : Select Data
Disini bagaimana kamu dapat memanggil function di dalam data yang telah include di file class.crud.php file dan menggunakan $crud object dengan $crud-&gt;read() function.
<?php
include_once 'inc/class.crud.php';
$crud = new CRUD();
$res = $crud->read();
while($row = mysql_fetch_array($res))
{
 echo $row['first_name'];
 echo $row['last_name'];
 echo $row['user_city'];
}
?>
UPDATE : Update Data
Untuk update data kita membutuhkan pemanggilan data menyertakan set querystring yang akan di update :

if(isset($_GET['edt_id']))
{
 $res=mysql_query("SELECT * FROM users WHERE user_id=".$_GET['edt_id']);
 $row=mysql_fetch_array($res);
}


setelah diatas dapat kita update data menggunakan function. 

if(isset($_POST['update']))
{
 $id = $_GET['edt_id'];
 $fname = $_POST['fname'];
 $lname = $_POST['lname'];
 $city = $_POST['city'];

 $crud->update($fname,$lname,$city,$id);
}



DELETE : Delete Data

if(isset($_GET['del_id']))
{
 $id = $_GET['del_id'];
 $crud->delete($id);
}

Sampai disini kalian dapat menggunakan oops ini menjalankan insert, select,update and delete data from mysql
Saya berharap dapat membantu saudara saudara yang ingin belajar.
Berikut Script Lengkap nya :

inc/dbconfig.php
<?php
define('DB_SERVER','localhost');
define('DB_USER','root');
define('DB_PASSWORD','');
define('DB_NAME','dbtuts');

class DB_con
{
 function __construct()
 {
  $conn = mysql_connect(DB_SERVER,DB_USER,DB_PASSWORD) or die('error connecting to server'.mysql_error());
  mysql_select_db(DB_NAME, $conn) or die('error connecting to database->'.mysql_error());
 }
}

?>


inc/class.crud.php

<?php
include_once 'dbconfig.php';

class CRUD
{
 public function __construct()
 {
  $db = new DB_con();
 }

 public function create($fname,$lname,$city)
 {
  mysql_query("INSERT INTO users(first_name,last_name,user_city) VALUES('$fname','$lname','$city')");
 }

 public function read()
 {
  return mysql_query("SELECT * FROM users");
 }

 public function delete($id)
 {
  mysql_query("DELETE FROM users WHERE user_id=".$id);
 }

 public function update($fname,$lname,$city,$id)
 {
  mysql_query("UPDATE users SET first_name='$fname', last_name='$lname', user_city='$city' WHERE user_id=".$id);
 }
}
?>


index.php

<?php
include_once 'inc/class.crud.php';
$crud = new CRUD();
?>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<link rel="stylesheet" href="style.css" type="text/css" />
<title>php oops crud tutorial part-2 by cleartuts</title>
</head>
<body>

<div id="header">
<label>php oops crud tutorial part-2 by cleartuts</label>
</div>

<center>
<table id="dataview">
<tr>
<td colspan="5"><a href="add_records.php">add new</a></td>
</tr>
<?php
$res = $crud->read();
if(mysql_num_rows($res)>0)
{
 while($row = mysql_fetch_array($res))
 {
 ?>
    <tr>
    <td><?php echo $row['first_name']; ?></td>
    <td><?php echo $row['last_name']; ?></td>
    <td><?php echo $row['user_city']; ?></td>
    <td><a href="edit_records.php?edt_id=<?php echo $row['user_id']; ?>">edit</a></td>
    <td><a href="dbcrud.php?del_id=<?php echo $row['user_id']; ?>">delete</a></td>
    </tr>
    <?php
 }
}
else
{
 ?><tr><td colspan="5">Nothing here... add some new</td></tr><?php
}
?>
</table>

<footer>
<label>Visit <a href="http://cleartuts.blogspot.com/">cleartuts</a> for more tutorials...</label>
</footer>

</center>
</body>
</html>


add_records.php

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>php oops crud tutorial part-2 by cleartuts</title>
<link rel="stylesheet" href="style.css" type="text/css" />
</head>
<body>

<div id="header">
<label>php oops crud tutorial part-2 by cleartuts</label>
</div>

<center>
<form method="post" action="dbcrud.php">
<table id="dataview">
<tr>
<td><input type="text" name="fname" placeholder="first name" /></td>
</tr>
<tr>
<td><input type="text" name="lname" placeholder="last name" /></td>
</tr>
<tr>
<td><input type="text" name="city" placeholder="city" /></td>
</tr>
<tr>
<td><button type="submit" name="save">save</button></td>
</tr>
</table>
</form>
</center>
</body>
</html>


edit_records.php

<?php
include_once 'inc/class.crud.php';
$crud = new CRUD();
if(isset($_GET['edt_id']))
{
 $res=mysql_query("SELECT * FROM users WHERE user_id=".$_GET['edt_id']);
 $row=mysql_fetch_array($res);
}
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>php oops crud tutorial part-2 by cleartuts</title>
<link rel="stylesheet" href="style.css" type="text/css" />
</head>
<body>

<div id="header">
<label>php oops crud tutorial part-2 by cleartuts</label>
</div>

<center>
<form method="post" action="dbcrud.php?edt_id=<?php echo $_GET['edt_id'] ?>">
<table id="dataview">
<tr><td><input type="text" name="fname" placeholder="first name" value="<?php echo $row['first_name'] ?>" /><br /></td></tr>
<tr><td><input type="text" name="lname" placeholder="last name" value="<?php echo $row['last_name'] ?>" /></td></tr>
<tr><td><input type="text" name="city" placeholder="city" value="<?php echo $row['user_city'] ?>" /></td></tr>
<tr><td><button type="submit" name="update">update</button></td></tr>
</table>
</form>
</table>
</center>
</body>
</html>


dbcrud.php

<?php
include_once 'inc/class.crud.php';
$crud = new CRUD();
if(isset($_POST['save']))
{
 $fname = $_POST['fname'];
 $lname = $_POST['lname'];
 $city = $_POST['city'];

 // insert
    $crud->create($fname,$lname,$city);
 // insert
 header("Location: index.php");
}

if(isset($_GET['del_id']))
{
 $id = $_GET['del_id'];
 $crud->delete($id);
 header("Location: index.php");
}

if(isset($_POST['update']))
{
 $id = $_GET['edt_id'];
 $fname = $_POST['fname'];
 $lname = $_POST['lname'];
 $city = $_POST['city'];

 $crud->update($fname,$lname,$city,$id);
 header("Location: index.php");
}
?>


style.css

@charset "utf-8";
/* CSS Document */

* { margin:0; padding:0; }

#header
{
 text-align:center;
 width:100%;
 height:50px;
 background:#00a2d1;
 color:#f9f9f9;
 font-weight:bolder;
 font-family:Verdana, Geneva, sans-serif;
 font-size:35px;
}

table,td
{
 width:40%;
 padding:15px;
 border:solid #e1e1e1 1px;
 font-family:Verdana, Geneva, sans-serif;
 border-collapse:collapse;
}
#dataview
{
 margin-top:100px;
 position:relative;
 bottom:50px;
}
#dataview input
{
 width:100%;
 height:40px;
 border:0; outline:0;
 font-family:Verdana, Geneva, sans-serif;
 padding-left:10px;
}
#dataview button
{
 width:200px;
 height:40px;
 border:0; outline:0;
 font-family:Verdana, Geneva, sans-serif;
 padding-left:10px;
}


footer { margin-top:50px; position:relative; bottom:50px; font-family:Verdana, Geneva, sans-serif; }


Taraaaaaaa... selamat belajar !!!!!!
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