我正在尝试在php，Codeigniter中创建一个简单的更新函数表单页面。当我尝试运行我的文件时出现错误：
严重性：注意
消息：未定义的变量：用户名
文件名：views / update_employee_view.php
表示每个变量，不仅仅是用户名。
updateEmployee.php
<?php
class updateEmployee extends CI_Controller {
public function index()
{
$this->load->view('update_employee_view');
}
public function signin()
{
//$this->load->view('includes/header');
$this->load->view('update_employee_view');
//$this->load->view('includes/footer');
}
public function validate()
{ $this->load->helper('email');
$this->load->library('form_validation');
$this->load->model('employee_update_model');
$query=$this->Users->signin_control();
if($query)
{ $user_id = $this->Users->get_user_id_from_username();
$user = $this->Users->get_user($user_id);
$data = array('id'=>$user_id, 'email' =>$this->input->post('email') , 'is_logged_in'=>true);
$this->session->set_userdata($data);
//$this->load->view('includes/header');
$this->load->view('update_employee_view',$user);
//$this->load->view('includes/footer');
}
else
{
$this->index();
}
}
public function update()
{
$this->load->model('employee_update_model');
$id=$this->session->userdata('id');
$email=$this->session->userdata('email');
$updated=array(
'password' =>$this->input->post('password'),
'password' =>$this->input->post('password'),
'username' =>$this->input->post('username'),
'employee_emer' =>$this->input->post('employee_emer'),
'mbiemer' =>$this->input->post('mbiemer'),
'adresa'=>$this->input->post('adresa'),
'email'=>$this->input->post('email'),
);
$query=$this->employee_update_model->update_profile($id,$email,$updated);
$data=$this->employee_update_model->show_user_again($id);
//$this->load->view('includes/header');
$this->load->view('update_employee_view',$data);
//$this->load->view('includes/footer');
}
/*public function update_password()
{
$this->load->library('form_validation');
$this->load->model('Users');
$id=$this->session->userdata('id');
$old= $this->input->post('old_password');
$new1= $this->input->post('new_password');
$new2=$this->input->post('new_password2');
$query=$this->Users->check_old_password($id,$old);
if($query)
{
$this->form_validation->set_rules('new_password','New Password','trim|required|min_length[5]');
$this->form_validation->set_rules('new_password2','Confirm Password','trim|required|min_length[5]|matches[new_password]');
if($this->form_validation->run()==FALSE)
{
$this->session->set_userdata('msg','');
$data=$this->Users->show_user_again($id);
//$this->load->view('includes/header');
$this->load->view('view_user_home',$data);
//$this->load->view('includes/footer');
}
else
{
$query2=$this->Users->update_password($id,$new1);
$this->session->set_userdata('msg','Successfully updated');
$data=$this->Users->show_user_again($id);
//$this->load->view('includes/header');
$this->load->view('view_user_home',$data);
//$this->load->view('includes/footer');
}
}
else
$this->session->set_userdata('msg','Incorrect password');
$data=$this->Users->show_user_again($id);
//$this->load->view('includes/header');
$this->load->view('view_user_home',$data);
//$this->load->view('includes/footer');
}
*/
public function signup()
{
//$this->load->view('includes/header');
$this->load->view('view_signup',array('error' => ' ' ));
//$this->load->view('includes/footer');
}
public function registration_validate()
{
$this->load->helper(array('email','url'));
$this->load->library(array('form_validation','upload'));
$this->load->model('employee_update_model');
$config = array(
'upload_path' => "././uploads/",
'allowed_types' => "gif|jpg|png|jpeg|pdf",
);
$this->form_validation->set_rules('employee_emer','First Name','trim|required|min_length[2]');
$this->form_validation->set_rules('mbiemer','Last Name','trim|required|min_length[2]');
$this->form_validation->set_rules('email','E-mail','trim|required|valid_email');
$this->form_validation->set_rules('password','E-mail','trim|required|min_length[5]');
$this->form_validation->set_rules('cpassword','Confirm Password','trim|required|min_length[5]|matches[password]');
$this->form_validation->set_rules('adresa','Address','trim|required');
$this->form_validation->set_rules('photo','Upload');
if($this->form_validation->run()==FALSE)
{
//$this->load->view('includes/header');
$this->load->view('view_signup');
//$this->load->view('includes/footer');
}
else
{
/*
$this->load->library('upload', $config);
if ( ! $this->upload->do_upload('photo'))
{
$error = array('error' => $this->upload->display_errors());
$this->load->view('view_signup', $error);
}
else
{
$data = array('upload_data' => $this->upload->data());
$this->load->view('upload_success', $data);
}
*/
$result=$this->Users->insert();
if ($result){
//$this->load->view('includes/header');
$this->load->view('update_employee_view');
//$this->load->view('includes/footer');
}
}
}
}
employee_update_model.php
<?php
class employee_update_model extends CI_Model{
function __construct(){
parent::__construct();
}
function insert()
{
$info=array(
'id'=>NULL,
'employee_emer'=>$this->input->post('employee_emer'),
'mbiemer'=>$this->input->post('mbiemer'),
'email'=>$this->input->post('email'),
'password'=>$this->input->post('password'),
'adresa'=>$this->input->post('adresa'),
'#foto'=>NULL,
);
$query=$this->db->insert('employee', $info);
return $query;
}
function signin_control()
{
$this->db->where('email',$this->input->post('email'));
$this->db->where('password',$this->input->post('password'));
$query=$this->db->get('employee');
if($query->num_rows()==1)
return $query;
}
public function get_user_id_from_username()
{
$email=$this->input->post('email');
$this->db->select('id');
$this->db->from('employee');
$this->db->where('email', $email);
return $this->db->get()->row('id');
}
public function get_user($user_id)
{
$this->db->from('employee');
$this->db->where('id', $user_id);
return $this->db->get()->row();
}
public function update_profile($id,$email,$updated)
{
$this->db->where('id', $id);
$this->db->update('employee', $updated);
}
function show_user_again($id){
$this->db->select('*');
$this->db->from('employee');
$this->db->where('id', $id);
return $this->db->get()->row();
}
function check_old_password($id,$old){
$this->db->select('password');
$this->db->from('employee');
$this->db->where('id', $id);
$query= $this->db->get()->row('password');
if ($query==$old) return true;
else return false;
}
public function update_password($id,$new1){
$this->db->set('password',$new1);
$this->db->where('id', $id);
$this->db->update('employee');
}
var $table = 'employee';
var $column_order = array('employee_emer','mbiemer','adresa','email',null,null); //set column field database for datatable orderable
var $column_search = array('employee_emer','mbiemer','adresa'); //set column field database for datatable searchable just firstname , lastname , address are searchable
var $order = array('id' => 'desc'); // default order
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);
}
public function insert_file($filename){
$data=array(
'foto'=>$filename
);
$this->db->insert('file', data);
return $this->db->insert_id();
}
function getalldata(){
$query=$this->db->get('file');
return $query->result();
}
}
?>
update_employee_view.php
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>CodeIgniter Update Database Demo | CodeIgniter Update Query</title>
<!--link the bootstrap css file-->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
<!-- link jquery ui css-->
<link href="<?php echo base_url('assets/jquery-ui-1.11.2/jquery-ui.min.css'); ?>" rel="stylesheet" type="text/css" />
<!--include jquery library-->
<script src="<?php echo base_url('assets/js/jquery-1.10.2.js'); ?>"></script>
<!--load jquery ui js file-->
<script src="<?php echo base_url('assets/jquery-ui-1.11.2/jquery-ui.min.js'); ?>"></script>
</head>
<body>
<br>
<div class="container">
<div class="row">
<div class="col-md-8 col-md-offset-2">
<h3 class="form-signin-heading">Your Profile</h3>
<div id="profile" >
<?php
echo form_open_multipart('updateEmployee/update','class="form-horizontal"');
?>
<div class="row">
<div class="col-md-6">
<?php
echo "User Name: ";
?>
</div>
<div class="col-md-6">
<?php
echo form_input('username',$username,' class="form-control"');
?>
</div>
</div>
</br>
<div class="row">
<div class="col-md-6">
<?php
echo "Password: ";
?>
</div>
<div class="col-md-6">
<?php
echo form_input('password',$password,' class="form-control"');
?>
</div>
</div>
</br>
<div class="row">
<div class="col-md-6">
<?php
echo "First Name: ";
?>
</div>
<div class="col-md-6">
<?php
echo form_input('employee_emer',$employee_emer,' class="form-control"');
?>
</div>
</div>
</br>
<div class="row">
<div class="col-md-6">
<?php
echo form_label('Last Name: ','mbiemer');
?>
</div>
<div class="col-md-6">
<?php
echo form_input('mbiemer',$mbiemer,' class="form-control"');
?>
</div>
</div>
</br>
<div class="row">
<div class="col-md-6">
<?php
echo form_label('Adresa: ','adresa');
?>
</div>
<div class="col-md-6">
<?php
echo form_input('adresa',$adresa,' class="form-control"');
?>
</div>
</div>
</br>
<div class="row">
<div class="col-md-6">
<?php
echo form_label('Email: ','email');
?>
</div>
<div class="col-md-6">
<?php
echo form_input('email',$email,' class="form-control"');
?>
</div>
</div>
</br>
<div class="row">
<div class="col-md-6">
<?php
echo form_label('Photo:','foto');
?>
</div>
<div class="col-md-6">
<?php
echo form_upload('foto','Photo','placeholder="Upload your file here" class="form-control"');
?>
</div>
</div>
</div>
</br>
<?php
echo form_submit('submit','Update Profile','class="btn btn-primary "') ;
echo form_close();
//echo validation_errors('<p class="error">');
?>
</div>
</div>
</div>
</div>
</body>
</html>