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MVC withCodeigniter PHP Framework

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MVC( Model – View – Controller )


Software Design PatternSoftware Design PatternSoftware Design PatternSoftware Design Pattern● Masalah dalam develop software:

● Algoritma mana yang akan digunakan?● Design mana yang cocok untuk digunakan?● Teknik apa yang harus diterapkan?● Modul apa saja yang dapat ditambahkan?

● Tiap masalah dalam develop software adalah unik, karena itu solusinya harus lebih unik.

● Bagaimana menerapkan solusi yang tepat pada masalah yang sedang dihadapi?

● Design Pattern merupakan solusi umum dalam menghadapi masalah yang sering timbul pada pengembangan aplikasi.


MVC – MVC – Model View ControllerModel View ControllerMVC – MVC – Model View ControllerModel View Controller

● Metode pendekatan pembuatan aplikasi dengan memisahkan aplikasi menjadi 3 segmen:● Model● View● Controller

● Struktur aplikasi lebih diutamakan dalam penggunaan kembali code program (reuse).


MVC – MVC – Model View ControllerModel View Controller (cont.)(cont.)MVC – MVC – Model View ControllerModel View Controller (cont.)(cont.)


MVC – MVC – ModelModelMVC – MVC – ModelModel

● Merupakan representasi tipe data yang akan digunakan oleh aplikasi.● contoh:

– model database– model RSS Feeds– API Calls

● Pertimbangan aspek:● Desain database.● Query & Store Procedure.● Object Class.● Data Access Layer.● Mediasi antara Controller dan View.


MVC – MVC – ViewViewMVC – MVC – ViewView

● Informasi yang akan ditampilkan kepada pengguna melalui browser.

● Dapat berupa file HTML, generated PHP to HTML (template engine).

● Pertimbangan aspek:● Reporting.● Forms.● Validation.● AJAX.● Graphic & Styling.● UI testing.● Mediasi antara Controller dan Model.


MVC – MVC – ControllerControllerMVC – MVC – ControllerController

● Business logic dari aplikasi yang menjadi jembatan antara Model dan View.

● Me-respon terhadap HTTP Request dan menghasilkan halaman web yang diminta oleh pengguna.

● Pertimbangan aspek:● Validasi data.● Menggunakan database layer.● Algoritma.● Mediasi antara View dan Model.


How MVC can HELP ?How MVC can HELP ?How MVC can HELP ?How MVC can HELP ?


Framework


Framework – Framework – memudahkan kompleksitasmemudahkan kompleksitasFramework – Framework – memudahkan kompleksitasmemudahkan kompleksitas

● Menyediakan fungsi – fungsi umum.● Digunakan untuk aplikasi yang lebih spesifik.● Alur dikontrol oleh framework.● Fokus pada pengembangan aplikasi.


Mengapa menggunakan Framework?Mengapa menggunakan Framework?Mengapa menggunakan Framework?Mengapa menggunakan Framework?● Aplikasi berbasis web semakin kompleks →

tambah sulit untuk maintenance.● tambah menu A, menu B, transaksi C, dll

● Membantu dalam menerapkan konsep MVC.● pemisahan antara model, view dan controller

terlihat jelas.● Menyediakan mediasi antar muka 3 layer MVC.

● tidak perlu kuatir dalam melakukan integrasi antara presentation ke business layer dan ke data access layer.


Harapan dari adanya FrameworkHarapan dari adanya FrameworkHarapan dari adanya FrameworkHarapan dari adanya Framework● Mudah digunakan.● Fasilitasi performa aplikasi.● Menjamin keamanan.● Memisahkan HTML dan PHP.● Mendukung AJAX.● Tidak ada batasan penggunaan

istilah.● Mendukung API.● Meningkatkan kualitas code.● Melatih best practices.

● Kemampuan untuk dikonfigurasi

● Mendukung internationalisasi (multi-language).

● Ketersediaan dokumentasi.

● Komunitas aktif.

● Dukungan terhadap produk yang komersial.

● Lisensi yang ramah.

● Ketersediaan dengan web hosting.


PHP FrameworkPHP FrameworkPHP FrameworkPHP Framework● CakePHP

● http://www.cakephp.org● Codeigniter

● http://www.codeigniter.com● Zend Framework

● http://framework.zend.com● DOOPHP

● http://www.doophp.com

40+ PHP Framework Available!

http://www.cakephp.org/

http://www.codeigniter.com/

http://framework.zend.com/

http://www.doophp.com/


Framework – Framework – KISSKISSFramework – Framework – KISSKISS

● KISS (Keep it Short and Simple)● Mencapai KISS:

● Hindari istilah “Not Invented Here”.– gunakan kembali resource yang sudah ada.

● Inovasi.– inovasi tidak harus selalu hal yang baru; improvisasi dari

yang sudah ada.● Terbuka terhadap perubahan.● Simplicity is a mindset.

– coding disiplin, penggunaan tools, penggunaan library, penggunaan framework harus simple.→


Codeigniter 2( PHP Framework )


Codeigniter – Codeigniter – PHP FrameworkPHP FrameworkCodeigniter – Codeigniter – PHP FrameworkPHP Framework

● Membantu dalam pembuatan web based PHP application.

● Selesai lebih cepat.● Menyediakan library yang sering dibutuhkan.● Struktur logika lebih simple.● Dapat lebih fokus pada pengerjaan aplikasi.● Minimalisir penggunaan code pada hanya yang

dibutuhkan saja.


Codeigniter FeatureCodeigniter FeatureCodeigniter FeatureCodeigniter Feature● Free (lisensi Apache/BSD).● Ringan.● Cepat.● Menggunakan konsep MVC.● Human Readable URL.● Dukungan library dalam pembuatan aplikasi.● Mudah dalam pembuatan library, class.● Tidak membutuhkan Template Engine.● Dokumentasi lengkap.● Adanya Komunitas.


Codeigniter Application Flow ChartCodeigniter Application Flow ChartCodeigniter Application Flow ChartCodeigniter Application Flow Chart


CI ControllerCI ControllerCI ControllerCI Controller● Huruf pertama nama class harus huruf besar.● Extends -kan CI_Controller.● Simpan pada:

● application/controllers● Akses URL:

● http://localhost/index.php/nama_controller

<?php

class Blog extends CI_Controller

{

}

?>


CI Controller – CI Controller – FunctionsFunctionsCI Controller – CI Controller – FunctionsFunctions

● Segmen: setelah nama controller● http://localhost/index.php/nama_controller/nama_fungsi

● Default loaded function index()→● http://localhost/index.php/nama_controller/index

<?php


{

public function index()

{

echo 'Hello World!';

}

public function comments()

{

echo 'Look at this!';

}

}

?>


CI Controller – CI Controller – Functions ParameterFunctions ParameterCI Controller – CI Controller – Functions ParameterFunctions Parameter

● Function dengan parameter diakses melalui segment selanjutnya setelah nama fungsi:● http://localhost/index.php/products/shoes/sandals/123

<?php

class Products extends CI_Controller {

public function shoes($types, $id)

{

echo $types;

echo $id;

}

}

?>


CI Controller – CI Controller – Private FunctionsPrivate FunctionsCI Controller – CI Controller – Private FunctionsPrivate Functions

● Function tidak dapat diakses melalui URL.● Gunakan underscore ( _ ) pada nama functions.<?php


{


{

$this->_utility();

}

private function _utility()

{

echo 'This is utility';

}

}

?>


CI Controller – CI Controller – ConstructorsConstructorsCI Controller – CI Controller – ConstructorsConstructors

● Menjalankan default algoritma.● Tidak mengembalikan value.

<?php

class Blog extends CI_Controller {

public function __construct()

{

parent::__construct();

// Your own constructor code

}

}

?>


CI Controller – CI Controller – Full SkeletonFull SkeletonCI Controller – CI Controller – Full SkeletonFull Skeleton<?php


{


{


// Your own constructor code

}


{

echo 'Hello World!';

}


{

$this->_utility();

}

private function _utility()

{

echo 'This is utility';

}

}

?>


CI ViewsCI ViewsCI ViewsCI Views● Desain website (HTML, CSS, jQuery, etc)● Regular .php files● Simpan pada:

● application/views

<html>

<head>

<title>My Blog</title>

</head>

<body>

<h1>Welcome to my Blog!</h1>

</body>

</html>


CI Views – CI Views – Loading ViewLoading ViewCI Views – CI Views – Loading ViewLoading View

● Controller melakukan load View● $this->load->view('view_file_name');

<?php


function index()

{

$this->load->view('blogview');

}

}

?>


CI Views – CI Views – Dynamic DataDynamic DataCI Views – CI Views – Dynamic DataDynamic Data

● Controller melakukan load View dengan parameter data yang akan ditampilkan pada view● $this->load->view('view_file_name', $variable);

<?php


function index()

{

$data['title'] = "My Real Title";

$data['heading'] = "My Real Heading";

$this->load->view('blogview', $data);

}

}

?>

<html>

<head>

<title><?php echo $title;?></title>

</head>

<body>

<h1><?php echo $heading;?></h1>

</body>

</html>


CI ModelCI ModelCI ModelCI Model● Huruf pertama nama class harus huruf besar.● Nama file harus huruf kecil.● Extends -kan CI_Model.● Simpan pada:

● application/models

class Model_name extends CI_Model {

function __construct()

{


}

}


CI Model – CI Model – Loading ModelLoading ModelCI Model – CI Model – Loading ModelLoading Model

● Controller memanggil Model● $this->load->model('model_file_name');

<?php

class Blog_controller extends CI_Controller {

function blog()

{

$this->load->model('Blog');

$data['query'] = $this->Blog->get_last_ten_entries();

$this->load->view('blog', $data);

}

}

?>


CI Form HelperCI Form HelperCI Form HelperCI Form Helper● Load helper:

● $this->load->helper('form');● Form helper functions:

● form_open()● form_open_multipart()● form_hidden()● form_input()● form_password()● form_upload()● form_textarea()● form_dropdown()● form_multiselect()● form_checkbox()

● form_radio()● form_submit()● form_reset()● form_button()● form_close()

● set_value()● set_select()● set_checkbox()● set_radio()


CI Form Helper – CI Form Helper – form_open()form_open()CI Form Helper – CI Form Helper – form_open()form_open()

echo form_open('email/send');

<form method="post" accept-charset="utf-8"

action="http://example.com/index.php/email/send" />

● Attribute$attributes = array('class' => 'email', 'id' => 'myform');

echo form_open('email/send', $attributes);

<form method="post" accept-charset="utf-8"

action="http:/example.com/index.php/email/send"

class="email" id="myform" />


CI Input ClassCI Input ClassCI Input ClassCI Input Class● Tujuan:

● Melakukan pre-processes global input data untuk meningkatkan keamanan.

● Menyediakan fungsi untuk menangani input data.● Security Filtering:

● Menghilangkan predefined variable GET ($_GET).● Menghilangkan global variables.● Filter predefined variable POST/COOKIE.● Mendukung XSS (Cross-site Scripting Hacks).● Standarisasi newline menjadi \n


CI Input Class – CI Input Class – functionsfunctionsCI Input Class – CI Input Class – functionsfunctions

● $this->input->post();● $this->input->cookie();● $this->input->server();

if ( ! isset($_POST['something']))

{

$something = FALSE;

}

else

{

$something = $_POST['something'];

}

$something = $this->input->post('something');


CI ValidationCI ValidationCI ValidationCI Validation● Load library

● $this->load->library('form_validation');● Setup Rules● Check the Validation

● $this->form_validation->run();● Show Errors

● Set error delimiters– $this->form_validation->set_error_delimiters('<div class="error">', '</div>');

● show individual error– echo form_error('field name', '<div class="error">', '</div>');


CI Validation – CI Validation – Setup RulesSetup RulesCI Validation – CI Validation – Setup RulesSetup Rules<input type='text' name='txt_judul' size='60' maxlength='200' />

$rules = array

(

array

(

'field' => 'txt_judul'

, 'label' => 'Judul'

, 'rules' => 'trim|required'

)

);

$this->form_validation->set_rules($rules);


CI Validation – CI Validation – Setup RulesSetup Rules (cont.)(cont.)CI Validation – CI Validation – Setup RulesSetup Rules (cont.)(cont.)

● Rules ReferenceRules Description

required Returns FALSE if the form element is empty.

matches Returns FALSE if the form element does not match the one in the parameter.

min_length Returns FALSE if the form element is shorter then the parameter value.

max_length Returns FALSE if the form element is longer then the parameter value.

exact_length Returns FALSE if the form element is not exactly the parameter value.

greater_than Returns FALSE if the form element is less than the parameter value or not numeric.

less_than Returns FALSE if the form element is greater than the parameter value or not numeric.

alpha Returns FALSE if the form element contains anything other than alphabetical characters.

Rules Description

required Returns FALSE if the form element is empty.

matches Returns FALSE if the form element does not match the one in the parameter.

min_length Returns FALSE if the form element is shorter then the parameter value.

max_length Returns FALSE if the form element is longer then the parameter value.

exact_length Returns FALSE if the form element is not exactly the parameter value.

greater_than Returns FALSE if the form element is less than the parameter value or not numeric.

less_than Returns FALSE if the form element is greater than the parameter value or not numeric.

alpha Returns FALSE if the form element contains anything other than alphabetical characters.

Rules Description

alpha_numeric Returns FALSE if the form element contains anything other than alpha-numeric characters.

alpha_dash Returns FALSE if the form element contains anything other than alpha-numeric characters, underscores or dashes.

numeric Returns FALSE if the form element contains anything other than numeric characters.

integer Returns FALSE if the form element contains anything other than an integer.

decimal Returns FALSE if the form element is not exactly the parameter value.

is_natural Returns FALSE if the form element contains anything other than a natural number: 0, 1, 2, 3, etc.

is_natural_no_zero Returns FALSE if the form element contains anything other than a natural number, but not zero: 1, 2, 3, etc.

Rules Description

alpha_numeric Returns FALSE if the form element contains anything other than alpha-numeric characters.

alpha_dash Returns FALSE if the form element contains anything other than alpha-numeric characters, underscores or dashes.

numeric Returns FALSE if the form element contains anything other than numeric characters.

integer Returns FALSE if the form element contains anything other than an integer.

decimal Returns FALSE if the form element is not exactly the parameter value.

is_natural Returns FALSE if the form element contains anything other than a natural number: 0, 1, 2, 3, etc.

is_natural_no_zero Returns FALSE if the form element contains anything other than a natural number, but not zero: 1, 2, 3, etc.


CI Validation – CI Validation – Setup RulesSetup Rules (cont.)(cont.)CI Validation – CI Validation – Setup RulesSetup Rules (cont.)(cont.)

● Rules Reference

Rules Description

valid_email Returns FALSE if the form element does not contain a valid email address.

valid_emails Returns FALSE if any value provided in a comma separated list is not a valid email.

valid_ip Returns FALSE if the supplied IP is not valid.

valid_base64 Returns FALSE if the supplied string contains anything other than valid Base64 characters.

Rules Description

valid_email Returns FALSE if the form element does not contain a valid email address.

valid_emails Returns FALSE if any value provided in a comma separated list is not a valid email.

valid_ip Returns FALSE if the supplied IP is not valid.

valid_base64 Returns FALSE if the supplied string contains anything other than valid Base64 characters.


CI DatabaseCI DatabaseCI DatabaseCI Database● Load Database Class

● $this->load->database();● Running Query

● $this->db->query('your_sql_query_here');● Query Result

● as object– $qry->result();

● as array– $qry->result_array();


CI Database – CI Database – Standard ExampleStandard ExampleCI Database – CI Database – Standard ExampleStandard Example$this->load->database();

$query = $this->db->query('SELECT name, title, email FROM my_table');

foreach ($query->result() as $row)

{

echo $row->title;

echo $row->name;

echo $row->email;

}

$this->load->database();

$query = $this->db->query('SELECT name, title, email FROM my_table');

foreach ($query->result_array() as $row)

{

echo $row['title'];

echo $row['name'];

echo $row['email'];

}


CI Database – CI Database – Active RecordsActive RecordsCI Database – CI Database – Active RecordsActive Records

● Generic functions untuk mengelola koneksi ke database.

● Functions:● Selecting Data● Inserting Data● Updating Data● Deleting Data


CI Database – CI Database – Active Records - SelectActive Records - SelectCI Database – CI Database – Active Records - SelectActive Records - Select

● $this->db->get();– $this->db->get('table_name');

● $this->db->select();– $this->db->select('title, content, date');

● $this->db->from();– $this->db->select('title, content, date');– $this->db->from('table_name');

● $this->db->where();● Simple

– $this->db->where('name', 'tahara');● Array

– $where = array('name' => 'tahara', 'website' => 'http://tahara.web.id');– $this->db->where( $where );


CI Database – CI Database – Active Records - InsertActive Records - InsertCI Database – CI Database – Active Records - InsertActive Records - Insert

$data = array

(

'title' => 'My title' ,

'name' => 'My Name' ,

'date' => 'My date'

);

$this->db->insert('mytable', $data);

// INSERT INTO mytable (title, name, date) VALUES ('My title', 'My name', 'My date')


CI Database – CI Database – Active Records - UpdateActive Records - UpdateCI Database – CI Database – Active Records - UpdateActive Records - Update

$data = array

(

'title' => $title,

'name' => $name,

'date' => $date

);

$this->db->where('id', $id);

$this->db->update('mytable', $data);

// UPDATE mytable

// SET title = '{$title}', name = '{$name}', date = '{$date}'

// WHERE id = $id


CI Database – CI Database – Active Records - DeleteActive Records - DeleteCI Database – CI Database – Active Records - DeleteActive Records - Delete

$this->db->delete('mytable', array('id' => $id));

// DELETE FROM mytable WHERE id = $id

$this->db->where('id', $id);

$this->db->delete('mytable');

// DELETE FROM mytable WHERE id = $id

$tables = array('table1', 'table2', 'table3');

$this->db->where('id', '5');

$this->db->delete($tables);


Workshop( Simple CI Application )


PlanPlanPlanPlan● Analisa Database● Pembuatan Database dan Table● Instalasi Codeigniter 2● Start to Code!


Analisa DatabaseAnalisa DatabaseAnalisa DatabaseAnalisa Database


Pembuatan Database & TablePembuatan Database & TablePembuatan Database & TablePembuatan Database & Table● Database: workshop_ci

CREATE SCHEMA IF NOT EXISTS `workshop_ci` DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci ;

USE `workshop_ci` ;


Pembuatan Database & Table Pembuatan Database & Table (cont.)(cont.)Pembuatan Database & Table Pembuatan Database & Table (cont.)(cont.)

● Table: Category

DROP TABLE IF EXISTS `workshop_ci`.`category` ;

CREATE TABLE IF NOT EXISTS `workshop_ci`.`category`

(

`id` INT(5) UNSIGNED NOT NULL AUTO_INCREMENT ,

`name` VARCHAR(20) NULL ,

PRIMARY KEY (`id`)

)

ENGINE = InnoDB

DEFAULT CHARACTER SET = utf8

COLLATE = utf8_general_ci;


Pembuatan Database & Table Pembuatan Database & Table (cont.)(cont.)Pembuatan Database & Table Pembuatan Database & Table (cont.)(cont.)

● Table: BooksDROP TABLE IF EXISTS `workshop_ci`.`books` ;

CREATE TABLE IF NOT EXISTS `workshop_ci`.`books` (

ìd` INT(7) UNSIGNED NOT NULL AUTO_INCREMENT ,

`category_id` INT(5) UNSIGNED NOT NULL ,

`title` VARCHAR(200) NULL ,

ìsbn` VARCHAR(30) NULL ,

PRIMARY KEY (ìd`) ,

INDEX `fk_books_category` (`category_id` ASC) ,

CONSTRAINT `fk_books_category`

FOREIGN KEY (`category_id` )

REFERENCES `workshop_ci`.`category` (ìd` )

ON DELETE NO ACTION

ON UPDATE CASCADE)

ENGINE = InnoDB

DEFAULT CHARACTER SET = utf8

COLLATE = utf8_general_ci;


Instalasi Codeigniter 2Instalasi Codeigniter 2Instalasi Codeigniter 2Instalasi Codeigniter 2● Langkah – langkah:

● Download Codeigniter.● Extract pada folder “document_root” server.● Test Codeigniter welcome page.


Instalasi Codeigniter 2 Instalasi Codeigniter 2 (cont.)(cont.)Instalasi Codeigniter 2 Instalasi Codeigniter 2 (cont.)(cont.)

● Download Codeigniter● http://codeigniter.com/downloads/

http://codeigniter.com/downloads/



● Extract pada folder “document_root” server



● Test Codeigniter welcome page● http://localhost

http://localhost/


Start to Code! –Start to Code! – filefile: /application/: /application/configconfig/database.php/database.phpStart to Code! –Start to Code! – filefile: /application/: /application/configconfig/database.php/database.php

.

.

.

$db['default']['hostname'] = 'host_server';

$db['default']['username'] = 'mysql_user';

$db['default']['password'] = 'mysql_password';

$db['default']['database'] = 'mysql_database_name';

$db['default']['dbdriver'] = 'mysql';

.

.

.


Start to Code! –Start to Code! – filefile: /application/: /application/configconfig/autoload.php/autoload.phpStart to Code! –Start to Code! – filefile: /application/: /application/configconfig/autoload.php/autoload.php

.

.

.

$autoload['helper'] = array('url', 'form');

.

.

.


Start to Code! –Start to Code! – filefile: /application/: /application/controllerscontrollers/kategori.php/kategori.phpStart to Code! –Start to Code! – filefile: /application/: /application/controllerscontrollers/kategori.php/kategori.php

<?php

class Kategori extends CI_Controller {


{



}


{

$qry = $this->db->query('select * from category');

$view['data'] = $qry->result_array();

$this->load->view('kategori/list', $view);

}

public function tambah()

{

$this->load->view('kategori/form');

}

public function edit($prm_key = '')

{

if(trim($prm_key) != '')

{

$qry = $this->db->get_where

(

'category'

, array('id' => $prm_key)

);


$this->load->view('kategori/form', $view);

} else {

redirect(site_url().'/kategori');

}

}

public function hapus($prm_key = '') {

if(trim($prm_key) != '') {

$qry = $this->db->delete

(

'category'

, array

(

'id' => $prm_key

)

);

}


}


Start to Code! –Start to Code! – filefile: /application/: /application/controllerscontrollers/kategori.php /kategori.php (cont.)(cont.)Start to Code! –Start to Code! – filefile: /application/: /application/controllerscontrollers/kategori.php /kategori.php (cont.)(cont.)

public function simpan()

{

$this->load->library('form_validation');

$rules = array

(

array

(

'field' => 'txt_id'

, 'label' => 'ID'

, 'rules' => 'trim'

)

, array

(

'field' => 'txt_name'

, 'label' => 'Kategori'


)

);


$this->form_validation->set_error_delimiters('<code>', '</code>');

if($this->form_validation->run() == FALSE)

{

$this->load->view('kategori/form');

} else {


(

'category'

, array('id' => $this->input->post('txt_id'))

);

$data = array

(

'name' => $this->input->post('txt_name')

);

if( count($qry->result()) == 0 )

{

$data = array_merge

(

array( 'id' => $this->input->post('txt_id') )

, $data

);

$this->db->insert('category', $data);

} else {

$this->db->update

(

'category'

, $data


);

}


}

}

}


Start to Code! –Start to Code! – filefile: /application/: /application/viewsviews/kategori/kategori/list.php/list.phpStart to Code! –Start to Code! – filefile: /application/: /application/viewsviews/kategori/kategori/list.php/list.php

<html>

<head>

<title>Master Kategori</title>

<link href='<?php echo base_url(); ?>resources/css/style.css' rel='stylesheet' type='text/css' />

<script>

function jsTambah() {

document.location = 'kategori/tambah';

}

</script>

</head>

<body>

<h1>Master Kategori Buku (View List)</h1>

<br />

<input type='button' name='btnTambah' value='Tambah' onClick='javascript: jsTambah();' />

<br /><br />

<table width='100%' align='center' cellspacing='0' cellpadding='0'>

<tr>

<th width='1%'>Kode</th>

<th>Kategori</th>

<th width='100'><i>perintah</i></th>

</tr>

<?php

foreach($data as $row) {

?>

<tr>

<td><?php echo $row['id']; ?></td>

<td><?php echo $row['name']; ?></td>

<td align='center'>

<a

href='<?php echo site_url(); ?>/kategori/edit/<?php echo $row['id']; ?>'

>Edit</a> |

<a href='<?php echo site_url(); ?>/kategori/hapus/<?php echo $row['id']; ?>'>Hapus</a>

</td>

</tr>

<?php

}

?>

</table>

</body>

</html>


Start to Code! – Start to Code! – ScreenshotScreenshot: : Kategori (list)Kategori (list)Start to Code! – Start to Code! – ScreenshotScreenshot: : Kategori (list)Kategori (list)


Start to Code! –Start to Code! – filefile: /application/: /application/viewsviews/kategori/kategori/form.php/form.phpStart to Code! –Start to Code! – filefile: /application/: /application/viewsviews/kategori/kategori/form.php/form.php

<html>

<head>

<title>Master Kategori</title>


<script>

function jsView() {

document.location = '<?php echo site_url(); ?>/kategori';

}

</script>

</head>

<body>

<h1>Master Kategori Buku (Form)</h1>

<br />

<input type='button' name='btn_view' value='Kembali ke View' onClick='javascript: jsView();' />

<br /><br />

<?php echo form_open('kategori/simpan'); ?>

<table width='600' align='center' cellspacing='0' cellpadding='0'>

<tr>

<th align='right' width='20%'>ID</th>

<td>

<?php echo form_error('txt_id'); ?>

<input type='text' name='txt_id' size='3' maxlength='3' readOnly='readOnly' class='read_only'

value='<?php if(isset($data)) echo $data[0]['id']; else echo set_value('txt_id'); ?>' />

</td>

</tr>

<tr>

<th align='right'>Kategori*</th>

<td>

<?php echo form_error('txt_name'); ?>

<input type='text' name='txt_name' size='30' maxlength='30'

value='<?php if(isset($data)) echo $data[0]['name']; else echo set_value('txt_name'); ?>' />

</td>

</tr>

<tr>

<td colspan='2'>

<i>* - Wajib isi</i>

<div align='right'>

<input type='submit'

name='cmd_simpan'

value='Simpan' />

</div>

</td>

</tr>

</table>

</form>

</body>

</html>


Start to Code! – Start to Code! – ScreenshotScreenshot: : Kategori (form)Kategori (form)Start to Code! – Start to Code! – ScreenshotScreenshot: : Kategori (form)Kategori (form)


Start to Code! –Start to Code! – filefile: /application/: /application/controllerscontrollers/buku.php/buku.phpStart to Code! –Start to Code! – filefile: /application/: /application/controllerscontrollers/buku.php/buku.php

<?php

class Buku extends CI_Controller {


{



}


{

$qry = $this->db->query('select * from books');


$this->load->view('buku/list', $view);

}

public function tambah()

{

$data['kategori_combo'] = $this->_kategori_combo_generate();

$this->load->view('buku/form', $data);

}

public function edit($prm_key = '')

{

if(trim($prm_key) != '')

{

$view['kategori_combo'] = $this->_kategori_combo_generate();


(

'books'

, array('id' => $prm_key)

);


$this->load->view('buku/form', $view);

} else {

redirect(site_url().'/buku');

}

}

public function hapus($prm_key = '') {

if(trim($prm_key) != '') {

$qry = $this->db->delete

(

'books'

, array

(

'id' => $prm_key

)

);

}


}


Start to Code! –Start to Code! – filefile: /application/: /application/controllerscontrollers/buku.php /buku.php (cont.)(cont.)Start to Code! –Start to Code! – filefile: /application/: /application/controllerscontrollers/buku.php /buku.php (cont.)(cont.)

public function simpan()

{

$this->load->library('form_validation');

$rules = array

(

array

(

'field' => 'txt_id'

, 'label' => 'ID'

, 'rules' => 'trim'

)

, array

(

'field' => 'cmb_kategori'

, 'label' => 'Kategori'


)

, array

(

'field' => 'txt_judul'

, 'label' => 'Judul'


)

);


$this->form_validation->set_error_delimiters('<code>', '</code>');

if($this->form_validation->run() == FALSE)

{

$this->load->view('buku/form');

} else {


(

'books'


);

$data = array

(

'category_id' => $this->input->post('cmb_kategori')

, 'title' => $this->input->post('txt_judul')

, 'isbn' => $this->input->post('txt_isbn')

);

if( count($qry->result()) == 0 )

{

$data = array_merge

(

array( 'id' => $this->input->post('txt_id') )

, $data

);

$this->db->insert('books', $data);

} else {

$this->db->update

(

'books'

, $data


);

}


}

}


Start to Code! –Start to Code! – filefile: /application/: /application/controllerscontrollers/buku.php /buku.php (cont.)(cont.)Start to Code! –Start to Code! – filefile: /application/: /application/controllerscontrollers/buku.php /buku.php (cont.)(cont.)

private function _kategori_combo_generate()

{

$qry = $this->db->query('select * from category');

$result = $qry->result_array();

return $result;

}

}


Start to Code! –Start to Code! – filefile: /application/: /application/viewsviews/buku/buku/list.php/list.phpStart to Code! –Start to Code! – filefile: /application/: /application/viewsviews/buku/buku/list.php/list.php

<html>

<head>

<title>Master Buku</title>


<script>

function jsTambah() {

document.location = 'buku/tambah';

}

</script>

</head>

<body>

<h1>Master Buku (View List)</h1>

<br />

<input type='button' name='btnTambah' value='Tambah' onClick='javascript: jsTambah();' />

<br /><br />

<table width='100%' align='center' cellspacing='0' cellpadding='0'>

<tr>

<th width='1%'>Kode</th>

<th width='15%'>Kategori</th>

<th>Judul</th>

<th width='10%'>ISBN</th>

<th width='100'><i>perintah</i></th>

</tr>

<?php

foreach($data as $row) {

?>

<tr>

<td><?php echo $row['id']; ?></td>

<td><?php echo $row['category_id']; ?></td>

<td><?php echo $row['title']; ?></td>

<td><?php echo $row['isbn']; ?></td>

<td align='center'>

<a href='<?php echo site_url(); ?>/buku/edit/<?php echo $row['id']; ?>'>Edit</a> |

<a href='<?php echo site_url(); ?>/buku/hapus/<?php echo $row['id']; ?>'>Hapus</a>

</td>

</tr>

<?php

}

?>

</table>

</body>

</html>


Start to Code! – Start to Code! – ScreenshotScreenshot: Buku: Buku (list) (list)Start to Code! – Start to Code! – ScreenshotScreenshot: Buku: Buku (list) (list)


Start to Code! –Start to Code! – filefile: /application/: /application/viewsviews/buku/buku/form.php/form.phpStart to Code! –Start to Code! – filefile: /application/: /application/viewsviews/buku/buku/form.php/form.php

<html>

<head>

<title>Master Buku</title>


<script>

function jsView() {

document.location = '<?php echo site_url(); ?>/buku';

}

</script>

</head>

<body>

<h1>Master Buku (Form)</h1>

<br />

<input type='button' name='btn_view' value='Kembali ke View' onClick='javascript: jsView();' />

<br /><br />

<?php echo form_open('buku/simpan'); ?>

<table width='600' align='center' cellspacing='0' cellpadding='0'>

<tr>

<th align='right' width='20%'>Kode<br /><small><i>(auto)</i></small></th>

<td>

<?php echo form_error('txt_id'); ?>

<input type='text' name='txt_id' size='3' maxlength='3' readOnly='readOnly' class='read_only'

value='<?php if(isset($data)) echo $data[0]['id']; else echo set_value('txt_id'); ?>' />

</td>

</tr>

<tr>

<th align='right'>Kategori*</th>

<td>

<?php echo form_error('cmb_kategori'); ?>

<select name='cmb_kategori'>

<?php

foreach ( $kategori_combo as $rows )

{

echo '<option value="'.$rows['id'].'">'.$rows['name'].'</option>';

}

?>

</select>

</td>

</tr>


Start to Code! –Start to Code! – filefile: /application/: /application/viewsviews/buku/buku/form.php /form.php (cont.)(cont.)Start to Code! –Start to Code! – filefile: /application/: /application/viewsviews/buku/buku/form.php /form.php (cont.)(cont.)

<tr>

<th align='right'>Judul*</th>

<td>

<?php echo form_error('txt_judul'); ?>

<input type='text' name='txt_judul' size='60' maxlength='200'

value='<?php if(isset($data)) echo $data[0]['title']; else echo set_value('txt_judul'); ?>' />

</td>

</tr>

<tr>

<th align='right'>ISBN</th>

<td>

<?php echo form_error('txt_isbn'); ?>

<input type='text' name='txt_isbn' size='30' maxlength='30'

value='<?php if(isset($data)) echo $data[0]['isbn']; else echo set_value('txt_isbn'); ?>' />

</td>

</tr>

<tr>

<td colspan='2'>

<i>* - Wajib isi</i>

<div align='right'>

<input type='submit' name='cmd_simpan' value='Simpan' />

</div>

</td>

</tr>

</table>

</form>

</body>

</html>


Start to Code! – Start to Code! – ScreenshotScreenshot: Buku: Buku (form) (form)Start to Code! – Start to Code! – ScreenshotScreenshot: Buku: Buku (form) (form)


Start to Code! –Start to Code! – filefile: /resources/css/style.css: /resources/css/style.cssStart to Code! –Start to Code! – filefile: /resources/css/style.css: /resources/css/style.css

body {

background-color: #fff;

margin: 40px;

font-family: Lucida Grande, Verdana, Sans-serif;

font-size: 14px;

color: #4F5155;

}

a {

color: #003399;

background-color: transparent;

font-weight: normal;

}

h1 {

color: #444;

background-color: transparent;

border-bottom: 1px solid #D0D0D0;

font-size: 20px;

font-weight: bold;

margin: 24px 0 2px 0;

padding: 5px 0 6px 0;

}

code {

font-family: Monaco, Verdana, Sans-serif;

font-size: 12px;

background-color: #FF8181;

border: 1px solid #D0D0D0;

color: #002166;

display: block;

margin: 5px 0px;

padding: 5px;

}

table, th, td {

padding: 0px;

margin: 0px;

border: 1px solid #D0D0D0;

color: #002166;

}

th {

background-color: #f9f9f9;

}

td, th {

padding: 3px;

}

.read_only{

border: none;

}


Love to Code?Love to Code?Love to Code?Love to Code?● Full EER:


What's Next?What's Next?What's Next?What's Next?● Many controllers with single view.● Moving to AJAX based development with Web 2.0 technology.

● jQuery, Prototype + Scriptaculous, MooTools.● Learn how to use caching.

● server cache.● database cache.● view cache.

● Using template engine.● Smarty PHP Template Engine Framework.● Template Lite.

● and many more improvement...


Resource


ResourceResourceResourceResource● Abeysinghe, Samisa. “PHP Team

Development”, Packt Publishing, September 2010, Birmingham, UK.

● Griffiths, Adam. “Codeigniter 1.7 Professional Development”, Packt Publishing, April 2010, Birmingham, UK.

● CodeIgniter User Guide Version 2.0.2, 2011, “CodeIgniter User Guide”, http://codeigniter.com/user_guide/index.html, April 2011.

http://codeigniter.com/user_guide/index.html


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