CRUD Operations using codeigniter
Question
I have done this CRUD operations in CODEIGNITER. But when i try to run the program, I am getting a blank page. And I'm not able to know what the errors are. Any help would be appreciated. I have attached the code below.
Stud_controller.php `
<?php
defined('BASEPATH') OR exit('No direct script access allowed');
class Stud_controller extends CI_Controller {
function __construct(){
parent:: __construct();
$this->load->helper('url');
$this->load->database();
}
public function index()
{
$query = $this->db->get('stud');
$data['records'] = $query->result();
$this->load->helper('url');
$this->load->view('Stud_view', $data);
}
public function add_student_view(){
$this->load->helper('form');
$this->load->view('Stud_add');
}
public function add_student(){
$this->load->model('Stud_Model');
$data = array(
'Roll_No' => $this->input->post('Roll_No'),
'Name' => $this->input->post('Name')
);
$this->Stud_Model->insert($data);
$query = $this->db->get("stud");
$data['records'] = $query->result();
$this->load->view('Stud_view',$data);
}
public function update_student(){
$this->load->model('Stud_Model');
$data = array(
'Roll_No' => $this->input->post('Roll_No'),
'Name' => $this->input->post('Name')
);
$old_Roll_No = $this->input->post('old_Roll_No');
$this->Stud_Model->update($data,$old_Roll_No);
$query = $this->db->get("stud");
$data['records'] = $query->result();
$this->load->view('Stud_view',$data);
}
public function delete_student(){
$this->load->model('Stud_Model');
$Roll_No = $this->uri->segment('3');
$this->Stud_Model->delete($Roll_No);
$query = $this->db->get("stud");
$data['records'] = $query->result();
$this->load-view('Stud_view',$data);
}
}
?>`
Stud_Model.php
<?php
Class Stud_Model extends CI_Model {
function __construct(){
parent:: __construct();
}
public function insert($data) {
if($this->db->insert("stud", $data)){
return true;
}
}
public function delete($Roll_No){
if($this->db->delete("stud", "Roll_No = " .$Roll_No)){
return true;
}
}
public function update($data,$old_Roll_No){
$this->db->set($data);
$this->db->where("Roll_No", $old_Roll_No);
$this->db->update("stud", $data);
}
}
?>
Stud_view.php
<html>
<head>
<title>Student</title>
</head>
<body>
<a href = '<?php echo base_url(); ?>
index.php/stud/add_view">Add</a>
<table border = "1">
<?php
$i = 1;
echo "<tr>";
echo "<td>Sr#</td>";
echo "<td>Roll No.</td>";
echo "<td>Name</td>";
echo "<td>Edit</td>";
echo "<td>Delete</td>";
echo "</tr>";
foreach($records as $r){
echo "<tr>";
echo "<td>".$i++."</td>";
echo "<td>".$r->Roll_No."</td>";
echo "<td>".$r->Name."</td>";
echo "<td><a href = '".base_url()."index.php/stud/edit/"
.$r->Roll_No."'>Edit</a></td>";
echo "<td><a href = '".base_url()."index.php/stud/delete/"
.$r->Roll_No."'>Delete</a></td>";
echo "<tr>";
}
?>
</table>
</body>
</html>
4 answers
solution1
0 2016-06-30 06:09:43
- Check if you didn't set default router in config/router.php.
- Set you file name and class name in same case and better if you set them in lowercase.
solution2
0 2016-07-01 12:21:56
Naga, your base_url should look like this example
base_url("blog/post/123");
Also, take the index.php out of the URL. ".base_url()."index.php/stud/edit/""
Remove the period and the index.php. You never use .php in your URL
solution3
0 2018-03-26 12:33:09
this my crud master using codeigniter
public function get_data_all($tabel)
{
$this->db->select('*');
$this->db->from($tabel);
$query = $this->db->get();
return $query->result_object();
}
public function get_data_all2($tabel,$where,$value)
{
$this->db->select('*');
$this->db->from($tabel);
$this->db->where($where, $value);
$query = $this->db->get();
return $query->result_object();
}
public function data_proses_komputer($tabel)
{
$this->db->select('*');
$this->db->from($tabel);
$this->db->join('artikel', 'forward_changing.id_artikel = artikel.id_artikel');
$this->db->join('user', 'forward_changing.username = user.username');
$query = $this->db->get();
return $query->result_object();
}
public function get_data_where($tabel,$where,$id)
{
$this->db->select('*');
$this->db->from($tabel);
$this->db->where($where, $id);
$query = $this->db->get();
return $query->result_object();
}
public function insert_data($tabel,$data)
{
$this->db->insert($tabel,$data);
return TRUE;
}
public function delete_data($tabel,$where)
{
$res = $this->db->delete($tabel,$where);
return $res;
}
public function do_update_data($tabel,$data_insert,$where)
{
$res = $this->db->update($tabel, $data_insert, $where);
return $res;
}
public function tampil($table){
return $this->db->get_where($table);
}
solution4
0 2018-05-27 15:01:07
create a view file add.php
<script type="text/javascript" src="<?=$this->config->item('js_path')?>jquery-3.2.1.min.js"></script>
<script type="text/javascript" src="<?=$this->config->item('js_path')?>jquery-validation/js/jquery.validate.min.js"></script>
<?php $formAction = !empty($editRecord) ? 'update_record' : 'insert_record';
?>
<!DOCTYPE html>
<html>
<head>
<title>user</title>
</head>
<body>
<form id="signup_form" method="post" action="<?= base_url('admin/user_management_control/'.$formAction) ?>" >
<table border="1" align="center" width="450">
<tr>
<td>First Name</td>
<td>
<input type="text" name="first_name" id="first_name" value="<?php echo !empty($editRecord[0]->first_name) ? $editRecord[0]->first_name :'' ?>">
</td>
</tr>
<tr>
<td>Last Name</td>
<td>
<input type="text" name="last_name" id="last_name" value="<?php echo !empty($editRecord[0]->last_name) ? $editRecord[0]->last_name :'' ?>">
</td>
</tr>
<tr>
<td>Email</td>
<td>
<input type="email" name="email" id="email" value="<?php echo !empty($editRecord[0]->email) ? $editRecord[0]->email :'' ?>">
</td>
</tr>
<tr>
<td>Mobile Number</td>
<td>
<input type="text" name="mobile_no" id="mobile_no" onkeypress="return isNumber(event)" data-range='[1,9999999999]' maxlength="15" value="<?php echo !empty($editRecord[0]->mobile_no) ? $editRecord[0]->mobile_no :'' ?>">
</td>
</tr>
<tr>
<tr>
<td>Gender</td>
<td>
<select name="gender" id="gender">
<option value="">Select Gender</option>
<option value="male" <?php if(!empty($editRecord[0]->gender) && $editRecord[0]->gender == 'male') echo "selected" ;?>>male</option>
<option value="female" <?php if(!empty($editRecord[0]->gender) && $editRecord[0]->gender == 'female') echo "selected"; ?>>Female</option>
</select>
</td>
</tr>
<td>Address</td>
<td>
<textarea name="address" id="address"><?php echo !empty($editRecord[0]->address) ? $editRecord[0]->address :'' ?></textarea>
</td>
</tr>
<?php if(empty($editRecord[0]->id))
{
?>
<tr>
<td>Password</td>
<td>
<input type="password" name="password" id="password" value="">
</td>
</tr>
<tr>
<td>Confirm Password</td>
<td>
<input type="password" name="cpassword" id="cpassword" value="">
</td>
</tr>
<?php
}
?>
<tr collspan="2">
<td align="center">
<input type="submit" name="submit" value="submit">
</td>
</tr>
</table>
<input type="hidden" name="id" id="id" value="<?= !empty($editRecord[0]->id)?$editRecord[0]->id:'';?>" >
</form>
</body>
</html>
<script type="text/javascript">
$("#signup_form").validate({
onkeyup: false,
rules:{
first_name: {
required: true
},
last_name: {
required: true
},
email:{
required: true,
email: true
},
mobile_no:{
required:true,
minlength:10,
maxlength:15
},
password:{
required:true,
minlength:6,
normalizer: function(value){
return $.trim(value);
},
password_check: true
},
cpassword:{
required:true,
normalizer: function(value){
return $.trim(value);
},
equalTo: "#password",
},
},
messages:{
first_name:{
required: "First Name cannot be blank.",
},
last_name:{
required: "Last Name cannot be blank.",
},
email:{
required: "Email cannot be blank.",
},
mobile_no:{
required: "Mobile number cannot be blank",
minlength: "Please enter minimum 10 digit number.",
maxlength: "Contact Number not allow more then 15 digit."
},
password:{
required: "Password cannot be blank.",
minlength: "Password should be at least 6 character long."
},
cpassword:{
required: "Confirm Password cannot be blank.",
equalTo: "Password and Confirm Password must be same."
},
},
});
jQuery.validator.addMethod('password_check', function(value,element)
{
var pattern = new RegExp(/^(?=.*\d)(?=.*[a-z])(?=.*[A-Z])(?=.*[!@#$%^&*()_+\-=\[\]{};':"\\|,.<>\/?]).{6,}$/);
//
if(pattern.test(value))
{
return true;
}else{
return false;
}
},"Password should be 6 character long, one special character, one uppercase, one lowercase letter and one digit.");
function isNumber(evt)
{
evt = (evt) ? evt : window.event;
var charCode = (evt.which) ? evt.which : evt.keyCode;
if (charCode > 32 && (charCode < 48 || charCode > 57)) {
return false;
}
return true;
}
</script>
I user jQuery validation for validate the fields.
Create a file to show details list.php
<html>
<body>
<table border="2" align="center">
<tr>
<td>#</td>
<td>Name</td>
<td>Email</td>
<td>Mobile No.</td>
<td>Gender</td>
<td>Address</td>
<td>Action</td>
</tr>
<?php
foreach($user_details as $user)
{
?>
<tr>
<td><?php echo $user->id;?></td>
<td><?php echo ucwords($user->name);?></td>
<td><?php echo $user->email;?></td>
<td><?php echo $user->mobile_no;?></td>
<td><?php echo ucfirst($user->gender);?></td>
<td><?php echo $user->address;?></td>
<td><a href="<?php echo base_url('admin/user_management_control/edit_record/')?><?php echo $user->id?>">Edit</a>
<a href="<?php echo base_url('admin/user_management_control/delete/')?><?php echo $user->id?>">Delete</a>
</td>
</tr>
<?php
}
?>
<tr>
<td><a href="<?php echo base_url('admin/user_management_control/add')?>">Add new</a></td>
</tr>
</table>
</body>
</html>
now create model Common_model.php
<?php
Class Common_model extends CI_Model
{
public function __construct()
{
parent::__construct();
}
function encrypt_script($string)
{
$cryptKey = 'qJB0rGtIn5UB1xG03efyCp';
$qEncoded = base64_encode( mcrypt_encrypt( MCRYPT_RIJNDAEL_256, md5( $cryptKey ), $string, MCRYPT_MODE_CBC, md5( md5( $cryptKey ) ) ) );
return( $qEncoded );
}
function decrypt_script($string)
{
$cryptKey = 'qJB0rGtIn5UB1xG03efyCp';
$qDecoded = rtrim( mcrypt_decrypt( MCRYPT_RIJNDAEL_256, md5( $cryptKey ), base64_decode( $q ), MCRYPT_MODE_CBC, md5( md5( $cryptKey ) ) ), "\0");
return( $qDecoded );
}
function insert($table,$data)
{
$this->db->insert($table,$data);
return $this->db->insert_id();
}
function get_users()
{
$this->db->select('id, CONCAT(`first_name`," ", `last_name`) AS `name` ,email,mobile_no,gender,address');
$result = $this->db->get('user_master');
return $result->result();
}
public function get_user_detail($id){
$this->db->select('*');
$this->db->where('id',$id);
$result = $this->db->get('user_master');
return $result->result();
}
public function update($table,$data,$where)
{
if(!empty($where))
$this->db->where($where);
$this->db->update($table, $data);
}
public function delete($table, $where)
{
$this->db->where($where);
$this->db->delete($table);
}
}
?>
Now create controller user_management_control.php
<?php
defined('BASEPATH') OR exit('No direct script access allowed');
Class user_management_control extends CI_Controller
{
public function __construct()
{
parent::__construct();
$this->load->model('Common_model');
}
public function index()
{
$data['user_details'] = $this->Common_model->get_users();
$this->load->view('admin/user_management/list',$data);
}
public function add()
{
$this->load->view('admin/user_management/add');
}
public function insert_record()
{
$this->load->library('form_validation');
if($this->input->server('REQUEST_METHOD') == 'POST')
{
$this->form_validation->set_rules('first_name','First Name','trim|required');
$this->form_validation->set_rules('last_name','Last Name','trim|required');
$this->form_validation->set_rules('email','Email','trim|required|valid_email');
$this->form_validation->set_rules('mobile_no','Mobile Number','trim|required');
$this->form_validation->set_rules('password','Password','trim|required|matches[cpassword]');
$this->form_validation->set_rules('cpassword','Confirm Password','trim|required');
if($this->form_validation->run() == FALSE)
{
$this->load->view('admin/user_management/add');
}
else
{
$post_array = $this->input->post();
$data = array(
'first_name' => $post_array['first_name'],
'last_name' => $post_array['last_name'],
'email' => strtolower(trim($post_array['email'])),
'mobile_no' => $post_array['mobile_no'],
'gender' => $post_array['gender'],
'address' => $post_array['address'],
'password' => $this->Common_model->encrypt_script($post_array['password']),
'status' => 0,
'inserted_date' => date('Y-m-d H:i:s')
);
$this->Common_model->insert('user_master',$data);
redirect('admin/user_management_control/');
}
}
}
public function edit_record()
{
$id = $this->uri->segment(4);
$result = $this->Common_model->get_user_detail($id);
if(empty($result))
{
redirect('admin/user_management_control/');
}
$data['editRecord'] = $result;
$this->load->view('admin/user_management/add',$data);
}
public function update_record()
{
$this->load->library('form_validation');
if($this->input->server('REQUEST_METHOD') == 'POST')
{
$this->form_validation->set_rules('first_name','First Name','trim|required');
$this->form_validation->set_rules('last_name','Last Name','trim|required');
$this->form_validation->set_rules('email','Email','trim|required|valid_email');
$this->form_validation->set_rules('mobile_no','Mobile Number','trim|required');
if($this->form_validation->run() == FALSE)
{
$this->load->view('admin/user_management/add');
}
else
{
$post_array = $this->input->post();
$cdata['id'] = $post_array['id'];
$data = array(
'first_name' => $post_array['first_name'],
'last_name' => $post_array['last_name'],
'email' => strtolower(trim($post_array['email'])),
'mobile_no' => $post_array['mobile_no'],
'gender' => $post_array['gender'],
'address' => $post_array['address'],
'status' => 0,
'modified_date' => date('Y-m-d H:i:s')
);
$this->Common_model->update('user_master',$data,array('id' =>$cdata['id']));
redirect('admin/user_management_control/');
}
}
}
public function delete()
{
$id = $this->uri->segment(4);
$this->Common_model->delete('user_master',array('id'=>$id));
redirect('admin/user_management_control/');
}
}
?>
The technical post webpages of this site follow the CC BY-SA 4.0 protocol. If you need to reprint, please indicate the site URL or the original address.Any question please contact:yoyou2525@163.com.
Related Question
How to implement CRUD operations using Codeigniter?
Using Ajax on CRUD in Codeigniter
Using Doctrine to abstract CRUD operations
codeigniter CRUD operations with search and user defined per_page
How to implement a relation using grocery crud in codeigniter?
Image upload to codeigniter error using crud
How to do Authentication and Crud operations using Ionic 4, mysql and Angular 7?
Angularjs and PHP for CRUD operations
how to create user rules for function like CRUD using PHP in codeigniter
get custom field value using Grocery CRUD CodeIgniter
Related Tags