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(Codeigniter) Ajax CRUD menggunakan modals Bootstrap dan DataTables dengan Upload Gambar

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Berikut ini bahan-bahan yang kita butuhkan dan silahkan download :
Langkah 1. Buatlah sebuat database dan tabel. Sebagai contoh saya memiliki database bernama demo dan person sebagai tabelnya.
create database demo;
use demo;
CREATE TABLE `persons` (
  `id` int(11) unsigned NOT NULL AUTO_INCREMENT,
  `firstName` varchar(100) DEFAULT NULL,
  `lastName` varchar(100) DEFAULT NULL,
  `gender` enum('male','female') DEFAULT NULL,
  `address` varchar(200) DEFAULT NULL,
  `dob` date DEFAULT NULL,
  `photo` varchar(255) DEFAULT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
-- example data persons
INSERT INTO `persons` (`id`, `firstName`, `lastName`, `gender`, `address`, `dob`)
VALUES
    (1, 'Airi', 'Satou', 'female', 'Tokyo', '1964-03-04'),
    (2, 'Garrett', 'Winters', 'male', 'Tokyo', '1988-09-02'),
    (3, 'John', 'Doe', 'male', 'Kansas', '1972-11-02'),
    (4, 'Tatyana', 'Fitzpatrick', 'male', 'London', '1989-01-01'),
    (5, 'Quinn', 'Flynn', 'male', 'Edinburgh', '1977-03-24');
Langkah 2. Copy Codeigniter yang sudah anda ke direktori htdocs web Anda. dan buatlah folder assets untuk direktori CodeIgniter mencakup semua javascript dan css library seperti ini.


Langkah 3. Setelah folder asset di buat, sekarang buat 1 folder lagi dan beri nama upload yang akan di gunakan sebagai penyimpanan file gambar. Jadikan folder ini dengan 777 permission settings.


Langkah 4. Mengkonfigurasi routes.php untuk default controller.

config/routes.php
$route['default_controller'] = 'person';
$route['404_override'] = '';
$route['translate_uri_dashes'] = FALSE;
Langkah 5. Untuk codeigniter versi 3.0.3 atau yang lebih baru base_url harus dikonfigurasi secara manual. Anda lihat seperti dibawah ini :

config/config.php


dan jangan lupa untuk konfigurasi database nya sesuai dengan database anda

config/database.php

Langkah 6. Buat Person_model.php di folder models
<?php defined('BASEPATH') OR exit('No direct script access allowed'); class Person_model extends CI_Model {     var $table = 'persons';     var $column_order = array('firstname','lastname','gender','address','dob',null); //set column field database for datatable orderable     var $column_search = array('firstname','lastname','address'); //set column field database for datatable searchable just firstname , lastname , address are searchable     var $order = array('id' => 'desc'); // default order
    public function __construct()
    {
        parent::__construct();
        $this->load->database();
    }
    private function _get_datatables_query()
    {
         
        $this->db->from($this->table);
        $i = 0;
     
        foreach ($this->column_search as $item) // loop column
        {
            if($_POST['search']['value']) // if datatable send POST for search
            {
                 
                if($i===0) // first loop
                {
                    $this->db->group_start(); // open bracket. query Where with OR clause better with bracket. because maybe can combine with other WHERE with AND.
                    $this->db->like($item, $_POST['search']['value']);
                }
                else
                {
                    $this->db->or_like($item, $_POST['search']['value']);
                }
                if(count($this->column_search) - 1 == $i) //last loop
                    $this->db->group_end(); //close bracket
            }
            $i++;
        }
         
        if(isset($_POST['order'])) // here order processing
        {
            $this->db->order_by($this->column_order[$_POST['order']['0']['column']], $_POST['order']['0']['dir']);
        }
        else if(isset($this->order))
        {
            $order = $this->order;
            $this->db->order_by(key($order), $order[key($order)]);
        }
    }
    function get_datatables()
    {
        $this->_get_datatables_query();
        if($_POST['length'] != -1)
        $this->db->limit($_POST['length'], $_POST['start']);
        $query = $this->db->get();
        return $query->result();
    }
    function count_filtered()
    {
        $this->_get_datatables_query();
        $query = $this->db->get();
        return $query->num_rows();
    }
    public function count_all()
    {
        $this->db->from($this->table);
        return $this->db->count_all_results();
    }
    public function get_by_id($id)
    {
        $this->db->from($this->table);
        $this->db->where('id',$id);
        $query = $this->db->get();
        return $query->row();
    }
    public function save($data)
    {
        $this->db->insert($this->table, $data);
        return $this->db->insert_id();
    }
    public function update($where, $data)
    {
        $this->db->update($this->table, $data, $where);
        return $this->db->affected_rows();
    }
    public function delete_by_id($id)
    {
        $this->db->where('id', $id);
        $this->db->delete($this->table);
    }
}
Langkah 7. Buat Person.php di folder controllers
<?php defined('BASEPATH') OR exit('No direct script access allowed'); class Person extends CI_Controller {     public function __construct()     {         parent::__construct();         $this->load->model('person_model','person');
    }
    public function index()
    {
        $this->load->helper('url');
        $this->load->view('person_view');
    }
    public function ajax_list()
    {
        $this->load->helper('url');
        $list = $this->person->get_datatables();
        $data = array();
        $no = $_POST['start'];
        foreach ($list as $person) {
            $no++;
            $row = array();
            $row[] = $person->firstName;
            $row[] = $person->lastName;
            $row[] = $person->gender;
            $row[] = $person->address;
            $row[] = $person->dob;
            if($person->photo)
                $row[] = '<a href="'.base_url('upload/'.$person->photo).'" target="_blank"><img src="'.base_url('upload/'.$person->photo).'" class="img-responsive" /></a>';
            else
                $row[] = '(No photo)';
            //add html for action
            $row[] = '<a class="btn btn-sm btn-primary" href="javascript:void(0)" title="Edit" onclick="edit_person('."'".$person->id."'".')"><i class="glyphicon glyphicon-pencil"></i> Edit</a>
                  <a class="btn btn-sm btn-danger" href="javascript:void(0)" title="Hapus" onclick="delete_person('."'".$person->id."'".')"><i class="glyphicon glyphicon-trash"></i> Delete</a>';
         
            $data[] = $row;
        }
        $output = array(
                        "draw" => $_POST['draw'],
                        "recordsTotal" => $this->person->count_all(),
                        "recordsFiltered" => $this->person->count_filtered(),
                        "data" => $data,
                );
        //output to json format
        echo json_encode($output);
    }
    public function ajax_edit($id)
    {
        $data = $this->person->get_by_id($id);
        $data->dob = ($data->dob == '0000-00-00') ? '' : $data->dob; // if 0000-00-00 set tu empty for datepicker compatibility
        echo json_encode($data);
    }
    public function ajax_add()
    {
        $this->_validate();
         
        $data = array(
                'firstName' => $this->input->post('firstName'),
                'lastName' => $this->input->post('lastName'),
                'gender' => $this->input->post('gender'),
                'address' => $this->input->post('address'),
                'dob' => $this->input->post('dob'),
            );
        if(!empty($_FILES['photo']['name']))
        {
            $upload = $this->_do_upload();
            $data['photo'] = $upload;
        }
        $insert = $this->person->save($data);
        echo json_encode(array("status" => TRUE));
    }
    public function ajax_update()
    {
        $this->_validate();
        $data = array(
                'firstName' => $this->input->post('firstName'),
                'lastName' => $this->input->post('lastName'),
                'gender' => $this->input->post('gender'),
                'address' => $this->input->post('address'),
                'dob' => $this->input->post('dob'),
            );
        if($this->input->post('remove_photo')) // if remove photo checked
        {
            if(file_exists('upload/'.$this->input->post('remove_photo')) && $this->input->post('remove_photo'))
                unlink('upload/'.$this->input->post('remove_photo'));
            $data['photo'] = '';
        }
        if(!empty($_FILES['photo']['name']))
        {
            $upload = $this->_do_upload();
             
            //delete file
            $person = $this->person->get_by_id($this->input->post('id'));
            if(file_exists('upload/'.$person->photo) && $person->photo)
                unlink('upload/'.$person->photo);
            $data['photo'] = $upload;
        }
        $this->person->update(array('id' => $this->input->post('id')), $data);
        echo json_encode(array("status" => TRUE));
    }
    public function ajax_delete($id)
    {
        //delete file
        $person = $this->person->get_by_id($id);
        if(file_exists('upload/'.$person->photo) && $person->photo)
            unlink('upload/'.$person->photo);
         
        $this->person->delete_by_id($id);
        echo json_encode(array("status" => TRUE));
    }
    private function _do_upload()
    {
        $config['upload_path']          = 'upload/';
        $config['allowed_types']        = 'gif|jpg|png';
        $config['max_size']             = 100; //set max size allowed in Kilobyte
        $config['max_width']            = 1000; // set max width image allowed
        $config['max_height']           = 1000; // set max height allowed
        $config['file_name']            = round(microtime(true) * 1000); //just milisecond timestamp fot unique name
        $this->load->library('upload', $config);
        if(!$this->upload->do_upload('photo')) //upload and validate
        {
            $data['inputerror'][] = 'photo';
            $data['error_string'][] = 'Upload error: '.$this->upload->display_errors('',''); //show ajax error
            $data['status'] = FALSE;
            echo json_encode($data);
            exit();
        }
        return $this->upload->data('file_name');
    }
    private function _validate()
    {
        $data = array();
        $data['error_string'] = array();
        $data['inputerror'] = array();
        $data['status'] = TRUE;
        if($this->input->post('firstName') == '')
        {
            $data['inputerror'][] = 'firstName';
            $data['error_string'][] = 'First name is required';
            $data['status'] = FALSE;
        }
        if($this->input->post('lastName') == '')
        {
            $data['inputerror'][] = 'lastName';
            $data['error_string'][] = 'Last name is required';
            $data['status'] = FALSE;
        }
        if($this->input->post('dob') == '')
        {
            $data['inputerror'][] = 'dob';
            $data['error_string'][] = 'Date of Birth is required';
            $data['status'] = FALSE;
        }
        if($this->input->post('gender') == '')
        {
            $data['inputerror'][] = 'gender';
            $data['error_string'][] = 'Please select gender';
            $data['status'] = FALSE;
        }
        if($this->input->post('address') == '')
        {
            $data['inputerror'][] = 'address';
            $data['error_string'][] = 'Addess is required';
            $data['status'] = FALSE;
        }
        if($data['status'] === FALSE)
        {
            echo json_encode($data);
            exit();
        }
    }
}
Langkah 8. Buat  person_view.php di folder views
<!DOCTYPE html>
<html>
    <head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>Ajax CRUD with Bootstrap modals and Datatables with Image Upload</title>
    <link href="<?php echo base_url('assets/bootstrap/css/bootstrap.min.css')?>" rel="stylesheet">
    <link href="<?php echo base_url('assets/datatables/css/dataTables.bootstrap.min.css')?>" rel="stylesheet">
    <link href="<?php echo base_url('assets/bootstrap-datepicker/css/bootstrap-datepicker3.min.css')?>" rel="stylesheet">
    <!-- HTML5 shim and Respond.js for IE8 support of HTML5 elements and media queries -->
    <!-- WARNING: Respond.js doesn't work if you view the page via file:// -->
    <!--[if lt IE 9]>
      <script src="https://oss.maxcdn.com/html5shiv/3.7.3/html5shiv.min.js"></script>
      <script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script>
    <![endif]-->
    </head>
<body>
    <div class="container">
        <h1 style="font-size:20pt">Ajax CRUD with Bootstrap modals and Datatables with Image Upload</h1>
        <h3>Person Data</h3>
        <br />
        <button class="btn btn-success" onclick="add_person()"><i class="glyphicon glyphicon-plus"></i> Add Person</button>
        <button class="btn btn-default" onclick="reload_table()"><i class="glyphicon glyphicon-refresh"></i> Reload</button>
        <br />
        <br />
        <table id="table" class="table table-striped table-bordered" cellspacing="0" width="100%">
            <thead>
                <tr>
                    <th>First Name</th>
                    <th>Last Name</th>
                    <th>Gender</th>
                    <th>Address</th>
                    <th>Date of Birth</th>
                    <th>Photo</th>
                    <th style="width:150px;">Action</th>
                </tr>
            </thead>
            <tbody>
            </tbody>
            <tfoot>
            <tr>
                <th>First Name</th>
                <th>Last Name</th>
                <th>Gender</th>
                <th>Address</th>
                <th>Date of Birth</th>
                <th>Photo</th>
                <th>Action</th>
            </tr>
            </tfoot>
        </table>
    </div>
<script src="<?php echo base_url('assets/jquery/jquery-3.1.0.min.js')?>"></script>
<script src="<?php echo base_url('assets/bootstrap/js/bootstrap.min.js')?>"></script>
<script src="<?php echo base_url('assets/datatables/js/jquery.dataTables.min.js')?>"></script>
<script src="<?php echo base_url('assets/datatables/js/dataTables.bootstrap.min.js')?>"></script>
<script src="<?php echo base_url('assets/bootstrap-datepicker/js/bootstrap-datepicker.min.js')?>"></script>
<script type="text/javascript">
var save_method; //for save method string
var table;
var base_url = '<?php echo base_url();?>';
$(document).ready(function() {
    //datatables
    table = $('#table').DataTable({
        "processing": true, //Feature control the processing indicator.
        "serverSide": true, //Feature control DataTables' server-side processing mode.
        "order": [], //Initial no order.
        // Load data for the table's content from an Ajax source
        "ajax": {
            "url": "<?php echo site_url('person/ajax_list')?>",
            "type": "POST"
        },
        //Set column definition initialisation properties.
        "columnDefs": [
            {
                "targets": [ -1 ], //last column
                "orderable": false, //set not orderable
            },
            {
                "targets": [ -2 ], //2 last column (photo)
                "orderable": false, //set not orderable
            },
        ],
    });
    //datepicker
    $('.datepicker').datepicker({
        autoclose: true,
        format: "yyyy-mm-dd",
        todayHighlight: true,
        orientation: "top auto",
        todayBtn: true,
        todayHighlight: true,  
    });
    //set input/textarea/select event when change value, remove class error and remove text help block
    $("input").change(function(){
        $(this).parent().parent().removeClass('has-error');
        $(this).next().empty();
    });
    $("textarea").change(function(){
        $(this).parent().parent().removeClass('has-error');
        $(this).next().empty();
    });
    $("select").change(function(){
        $(this).parent().parent().removeClass('has-error');
        $(this).next().empty();
    });
});
function add_person()
{
    save_method = 'add';
    $('#form')[0].reset(); // reset form on modals
    $('.form-group').removeClass('has-error'); // clear error class
    $('.help-block').empty(); // clear error string
    $('#modal_form').modal('show'); // show bootstrap modal
    $('.modal-title').text('Add Person'); // Set Title to Bootstrap modal title
    $('#photo-preview').hide(); // hide photo preview modal
    $('#label-photo').text('Upload Photo'); // label photo upload
}
function edit_person(id)
{
    save_method = 'update';
    $('#form')[0].reset(); // reset form on modals
    $('.form-group').removeClass('has-error'); // clear error class
    $('.help-block').empty(); // clear error string
    //Ajax Load data from ajax
    $.ajax({
        url : "<?php echo site_url('person/ajax_edit')?>/" + id,
        type: "GET",
        dataType: "JSON",
        success: function(data)
        {
            $('[name="id"]').val(data.id);
            $('[name="firstName"]').val(data.firstName);
            $('[name="lastName"]').val(data.lastName);
            $('[name="gender"]').val(data.gender);
            $('[name="address"]').val(data.address);
            $('[name="dob"]').datepicker('update',data.dob);
            $('#modal_form').modal('show'); // show bootstrap modal when complete loaded
            $('.modal-title').text('Edit Person'); // Set title to Bootstrap modal title
            $('#photo-preview').show(); // show photo preview modal
            if(data.photo)
            {
                $('#label-photo').text('Change Photo'); // label photo upload
                $('#photo-preview div').html('<img src="'+base_url+'upload/'+data.photo+'" class="img-responsive">'); // show photo
                $('#photo-preview div').append('<input type="checkbox" name="remove_photo" value="'+data.photo+'"/> Remove photo when saving'); // remove photo
            }
            else
            {
                $('#label-photo').text('Upload Photo'); // label photo upload
                $('#photo-preview div').text('(No photo)');
            }
        },
        error: function (jqXHR, textStatus, errorThrown)
        {
            alert('Error get data from ajax');
        }
    });
}
function reload_table()
{
    table.ajax.reload(null,false); //reload datatable ajax
}
function save()
{
    $('#btnSave').text('saving...'); //change button text
    $('#btnSave').attr('disabled',true); //set button disable
    var url;
    if(save_method == 'add') {
        url = "<?php echo site_url('person/ajax_add')?>";
    } else {
        url = "<?php echo site_url('person/ajax_update')?>";
    }
    // ajax adding data to database
    var formData = new FormData($('#form')[0]);
    $.ajax({
        url : url,
        type: "POST",
        data: formData,
        contentType: false,
        processData: false,
        dataType: "JSON",
        success: function(data)
        {
            if(data.status) //if success close modal and reload ajax table
            {
                $('#modal_form').modal('hide');
                reload_table();
            }
            else
            {
                for (var i = 0; i < data.inputerror.length; i++)
                {
                    $('[name="'+data.inputerror[i]+'"]').parent().parent().addClass('has-error'); //select parent twice to select div form-group class and add has-error class
                    $('[name="'+data.inputerror[i]+'"]').next().text(data.error_string[i]); //select span help-block class set text error string
                }
            }
            $('#btnSave').text('save'); //change button text
            $('#btnSave').attr('disabled',false); //set button enable
        },
        error: function (jqXHR, textStatus, errorThrown)
        {
            alert('Error adding / update data');
            $('#btnSave').text('save'); //change button text
            $('#btnSave').attr('disabled',false); //set button enable
        }
    });
}
function delete_person(id)
{
    if(confirm('Are you sure delete this data?'))
    {
        // ajax delete data to database
        $.ajax({
            url : "<?php echo site_url('person/ajax_delete')?>/"+id,
            type: "POST",
            dataType: "JSON",
            success: function(data)
            {
                //if success reload ajax table
                $('#modal_form').modal('hide');
                reload_table();
            },
            error: function (jqXHR, textStatus, errorThrown)
            {
                alert('Error deleting data');
            }
        });
    }
}
</script>
<!-- Bootstrap modal -->
<div class="modal fade" id="modal_form" role="dialog">
    <div class="modal-dialog">
        <div class="modal-content">
            <div class="modal-header">
                <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
                <h3 class="modal-title">Person Form</h3>
            </div>
            <div class="modal-body form">
                <form action="#" id="form" class="form-horizontal">
                    <input type="hidden" value="" name="id"/>
                    <div class="form-body">
                        <div class="form-group">
                            <label class="control-label col-md-3">First Name</label>
                            <div class="col-md-9">
                                <input name="firstName" placeholder="First Name" class="form-control" type="text">
                                <span class="help-block"></span>
                            </div>
                        </div>
                        <div class="form-group">
                            <label class="control-label col-md-3">Last Name</label>
                            <div class="col-md-9">
                                <input name="lastName" placeholder="Last Name" class="form-control" type="text">
                                <span class="help-block"></span>
                            </div>
                        </div>
                        <div class="form-group">
                            <label class="control-label col-md-3">Gender</label>
                            <div class="col-md-9">
                                <select name="gender" class="form-control">
                                    <option value="">--Select Gender--</option>
                                    <option value="male">Male</option>
                                    <option value="female">Female</option>
                                </select>
                                <span class="help-block"></span>
                            </div>
                        </div>
                        <div class="form-group">
                            <label class="control-label col-md-3">Address</label>
                            <div class="col-md-9">
                                <textarea name="address" placeholder="Address" class="form-control"></textarea>
                                <span class="help-block"></span>
                            </div>
                        </div>
                        <div class="form-group">
                            <label class="control-label col-md-3">Date of Birth</label>
                            <div class="col-md-9">
                                <input name="dob" placeholder="yyyy-mm-dd" class="form-control datepicker" type="text">
                                <span class="help-block"></span>
                            </div>
                        </div>
                        <div class="form-group" id="photo-preview">
                            <label class="control-label col-md-3">Photo</label>
                            <div class="col-md-9">
                                (No photo)
                                <span class="help-block"></span>
                            </div>
                        </div>
                        <div class="form-group">
                            <label class="control-label col-md-3" id="label-photo">Upload Photo </label>
                            <div class="col-md-9">
                                <input name="photo" type="file">
                                <span class="help-block"></span>
                            </div>
                        </div>
                    </div>
                </form>
            </div>
            <div class="modal-footer">
                <button type="button" id="btnSave" onclick="save()" class="btn btn-primary">Save</button>
                <button type="button" class="btn btn-danger" data-dismiss="modal">Cancel</button>
            </div>
        </div><!-- /.modal-content -->
    </div><!-- /.modal-dialog -->
</div><!-- /.modal -->
<!-- End Bootstrap modal -->
</body>
</html>
Contoh demo :

Demo

Download source code :

Download

Semoga bermanfaat..!
Mohon koreksi jika ada kesalahan..!

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