CodeIgniter Bilddatei kann nicht

Question

Das einzige Problem, laden, die ich nicht in während auflösen kann, habe ich versucht, jede mögliche Lösung, aber ich gehe nicht gut Nun, das Problem ist, wenn ich Bild hochladen möchten, i Bild wählen aus der Liste meiner comp und wenn ich Submit-Button klicken, wird das Bild nicht hochladen, und es ist mir zeigen defaule Bild, das ich in einem Fall gesetzt, dass Benutzer nicht Bild auswählt (noimage.jpg) Funktion zum hochladen Bild startet in create() Methode

Beiträge Controllers

<?php 


class Posts extends CI_Controller{ 

    public function __construct(){ 
     parent::__construct(); 
     $this->load->database();  
     $this->load->library('upload'); 

    } 

    public function index($offset = 0){ 



     $config['base_url'] = base_url() . 'posts/index/'; 
     $config['total_rows'] = $this->db->count_all('posts'); 
     $config['per_page'] = 3; 
     $config['uri_segment'] = 3; 
     $config['attributes'] = array('class' => 'pagination-link'); 

     $this->pagination->initialize($config); 

     $data['posts']= $this->Posts_model->get_posts(FALSE,$config['per_page'],$offset); 

     $this->load->view('templates/header'); 
     $this->load->view('posts/index',$data); 
     $this->load->view('templates/footer'); 



    } 


    public function view($mjestoOdredista=NULL){ 


     $data['posts'] = $this->Posts_model->get_posts($mjestoOdredista); 
     $post_id = $data['posts']['id']; 
     $data['comments'] = $this->comment_model->get_comments($post_id); 

     if(empty($data['posts'])){ 
      show_404(); 
     } 
     $data['id'] =$data['posts']; 

     $this->load->view('templates/header'); 
     $this->load->view('posts/view',$data); 
     $this->load->view('templates/footer'); 


    } 


    public function create(){ 
     //check if user is logged in 
     if(!$this->session->userdata('logged_in')){ 
      redirect('users/login'); 
     } 

     $this->form_validation->set_rules('mjestoPolaska', 'Mjesto Polaska', 'required'); 
     $this->form_validation->set_rules('mjestoOdredista', 'Mjesto Odredista', 'required'); 
     $this->form_validation->set_rules('datumPolaska', 'Datum Polaska', 'required'); 
     $this->form_validation->set_rules('datumPovratka', 'Datum Povratka', 'required'); 
     $this->form_validation->set_rules('cijena', 'Cijena', 'required'); 
     $this->form_validation->set_rules('brojMjesta', 'Broj mjesta', 'required'); 
     $this->form_validation->set_rules('opis', 'Opis', 'required'); 


     $data['title'] ='Create Posts'; 
     $data['categories'] = $this->Posts_model->get_categories(); 

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

      $this->load->view('templates/header'); 
      $this->load->view('posts/create',$data); 
      $this->load->view('templates/footer'); 

     }else { 

      //upload image 
      $config['upload_path'] = './assets/images/posts'; 
      $config['allowed_types'] = 'gif|jpg|png'; 
      $config['max_size'] = '2048'; 
      $config['max_width'] = '100'; 
      $config['max_height'] = '100'; 

      $this->load->library('upload',$config); 


      if(!$this->upload->do_upload('userfile')){ 
       $errors = array('error'=>$this->upload->display_errors()); 
       $post_image='noimage.jpg'; 
      }else{ 
       $data = array('upload_data'=>$this->upload->data()); 
       $post_image = $_FILES['userfile']['name']; 
      } 
      $this->Posts_model->create_post($post_image); 
      $this->session->set_flashdata('post_creted', 'You post has been created') ; 
      redirect('posts'); 
     } 

    } 

    public function delete($id){ 

     if(!$this->session->userdata('logged_in')){ 
      redirect('users/login'); 
     } 


     $this->Posts_model->delete_post($id); 
     $this->session->set_flashdata('post_deleted', 'You post has been deleted ') ; 
     redirect('posts'); 
    } 



    public function edit($mjestoOdredista){ 
     if(!$this->session->userdata('logged_in')){ 
      redirect('users/login'); 
     } 

     $data['posts']= $this->Posts_model->get_posts($mjestoOdredista); 

     //Check if user is logged in 
     if($this->session->userdata('user_id') != $this->Posts_model->get_posts($mjestoOdredista)['user_id']){ 
      redirect('posts'); 
     } 

     $data['categories'] = $this->Posts_model->get_categories(); 

     if(empty($data['posts'])){ 
      show_404(); 
     } 

     $data['title'] = 'Edit Post'; 
     $this->load->view('templates/header'); 
     $this->load->view('posts/edit',$data); 
     $this->load->view('templates/footer'); 
    } 


    public function update(){ 
     if(!$this->session->userdata('logged_in')){ 
      redirect('users/login'); 
     } 

     $this->Posts_model->update_post(); 
     $this->session->set_flashdata('post_updated', 'You post has been updated ') ; 
     redirect('posts'); 

    } 

    } 

?> 

Posts_model

<?php 


class Posts_Model extends CI_Model{ 

    public function __construct(){ 
     $this->load->database(); 

    } 

    function get_posts($mjestoOdredista=FALSE, $limit = FALSE,$offset = FALSE){ 
     if($limit){ 
      $this->db->limit($limit,$offset); 
     } 
     if($mjestoOdredista === FALSE){ 

      $this->db->order_by('posts.id','DESC'); 
      $this->db->join('categories','categories.id = posts.category_id'); 
      $query=$this->db->get('posts'); 
      return $query->result_array(); 
     } 

     $query=$this->db->get_where('posts', array('mjestoOdredista' => $mjestoOdredista)); 


     return $query->row_array(); 
    } 

    //Kreiranje post 
    public function create_post($post_image){ 
     $mjestoPolaska = url_title($this->input->post('title')); 
     $data=array(
       'mjestoPolaska' => $this->input->post('mjestoPolaska'), 
       'mjestoOdredista' => $this->input ->post('mjestoOdredista'), 
       'datumPolaska' => $this->input ->post('datumPolaska'), 
       'datumPovratka' => $this->input ->post('datumPovratka'), 
       'brojMjesta' => $this->input ->post('brojMjesta'), 
       'cijena' => $this->input ->post('cijena'), 
       'opis' => $this->input ->post('opis'), 
       'category_id'=>$this->input->post('category_id'), 
       'user_id' =>$this->session->userdata('user_id'), 
       'post_image'=>$post_image 

     ); 

     return $this->db->insert('posts',$data); 
    } 

    //Brisanje posta 
    public function delete_post($id){ 
     $this->db->where('id',$id); 
     $this->db->delete('posts'); 
     return true; 
    } 


    //editovanje posta 
    public function update_post(){ 
     $mjestoOdredista = url_title($this->input->post('title')); 
     $data=array(
       'category_id' => $this->input->post('category_id'), 
       'mjestoPolaska' => $this->input->post('mjestoPolaska'), 
       'mjestoOdredista' => $this->input->post('mjestoOdredista'), 
       'datumPolaska' => $this->input ->post('datumPolaska'), 
       'datumPovratka' => $this->input ->post('datumPovratka'), 
       'cijena' =>   $this->input ->post('cijena'), 
       'brojMjesta' =>  $this->input ->post('brojMjesta'), 
       'opis' =>   $this->input ->post('opis'), 

     ); 
     $this->db->where('id', $this->input->post('id')); 
     return $this->db->update('posts', $data); 

    } 

    public function get_categories(){ 
     $this->db->order_by('name'); 
     $query = $this->db->get('categories'); 
     return $query->result_array(); 
    } 

    public function get_posts_by_category($category_id){ 

     $this->db->order_by('posts.id','DESC'); 

     $this->db->join('categories','categories.id = posts.category_id'); 
     $query=$this->db->get_where('posts',array('category_id'=> $category_id)); 
     return $query->result_array(); 

    } 



} 



?> 

Ansicht erstellen

<h2><?= $title;?></h2> 
<link rel="stylesheet" href="//code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css"> 
<link rel="stylesheet" href="/resources/demos/style.css"> 
<script src="https://code.jquery.com/jquery-1.12.4.js"></script> 
<script src="https://code.jquery.com/ui/1.12.1/jquery-ui.js"></script> 

<script> 
    $(function() { 
     $("#datepicker").datepicker({ 
      dateFormat: 'dd-mm-yy' 
     }); 
     $("#datepicker1").datepicker({ 
      dateFormat: 'dd-mm-yy' 
     }); 
    }); 
    </script> 


<?php echo form_open_multipart('posts/create/');?> 
<?php echo validation_errors();?> 

    <div class="row"> 
     <div class="col-md-4 col-md-offset-4"> 

       <div class="form-group"> 
        <label>Mjesto Polaska</label> 
        <input type="text" class="form-control" name="mjestoPolaska" placeholder="Mjesto Polaska"> 
       </div> 


       <div class="form-group"> 
        <label>Mjesto Odredista</label> 
        <input type="text" class="form-control" name="mjestoOdredista" placeholder="Mjesto Odredista"> 
       </div> 

       <div class="form-group"> 
        <label>Datum Polaska</label> 
        <input type="date" id="datepicker" class="form-control" name="datumPolaska" placeholder ="Datum Polaska" > 
       </div> 

       <div class="form-group"> 
        <label>Datum Povratka</label> 
        <input type="date" id="datepicker1" class="form-control" name="datumPovratka" placeholder="Datum Povratka"> 
       </div> 



       <div class="form-group"> 
       <label>Cijena</label> 
       <input type="text" class="form-control" name="cijena" placeholder="Cijena"> 
       </div> 

       <div class="form-group"> 
       <label for="select">Broj slobodnih mjesta</label> 
        <select class="form-control" id="select" name="brojMjesta"> 
        <option>1</option> 
        <option>2</option> 
        <option>3</option> 
        <option>4</option> 
        </select> 
       </div> 


      <div class="form-group"> 
      <label for="kategorije">Kategorija</label> 
      <?php 
      echo '<select class="form-control" id="kategorije" name="category_id">'; 
      foreach($categories as $category) : 
       echo '<option value="' . $category['id'] . '">' . $category["name"] . '</option>'; 
      endforeach; 
      echo '</select>'; 
      ?> 
      </div> 

      <div class="form-group"> 
      <label>Postavi sliku:</label> 
      <p><b>samo oni koji nude prevoz nek postave sliku svojeg vozila</b></p> 
      <input type="file" name="userfile" size="20"> 
      </div> 

      <div class="form-group"> 
       <label>Opis:</label> 
       <textarea class="form-control" rows="5" id="comment" name="opis"></textarea> 
      </div> 
       <button type="submit" class="btn btn-primary btn-block">Submit</button> 

      </div> 
    </div> 

Answer 1

wenn speichern Daten ohne Bild dann

public function create() { 
    //check if user is logged in 
    if (!$this->session->userdata('logged_in')) { 
     redirect('users/login'); 
    } 

    $this->form_validation->set_rules('mjestoPolaska', 'Mjesto Polaska', 'required'); 
    $this->form_validation->set_rules('mjestoOdredista', 'Mjesto Odredista', 'required'); 
    $this->form_validation->set_rules('datumPolaska', 'Datum Polaska', 'required'); 
    $this->form_validation->set_rules('datumPovratka', 'Datum Povratka', 'required'); 
    $this->form_validation->set_rules('cijena', 'Cijena', 'required'); 
    $this->form_validation->set_rules('brojMjesta', 'Broj mjesta', 'required'); 
    $this->form_validation->set_rules('opis', 'Opis', 'required'); 


    $data['title'] = 'Create Posts'; 
    $data['categories'] = $this->Posts_model->get_categories(); 

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

     $this->session->set_flashdata("error", validation_errors()); 
     $this->load->view('templates/header'); 
     $this->load->view('posts/create', $data); 
     $this->load->view('templates/footer'); 
    } else { 
     $post_image=''; 
     if (!empty($_FILES['userfile']['name'])) { 
     $path = 'assets/images/posts/'; 
     $post_image = $this->ImageUpload($path, 'userfile', ''); 
     if (!is_array($post_image)) { 

      $this->session->set_flashdata('error', $post_image); 
      redirect(site_url() . 'posts/create'); 
     } 
     $post_image = $post_image['file_name']; 
     } 


     $this->Posts_model->create_post($post_image); 
     $this->session->set_flashdata('post_creted', 'You post has been created'); 
     redirect('posts'); 
    } 
    } 

Answer 2

Diese

Versuchen Ersetzen Sie Ihre create Funktion mit diesem Code

public function create() 
    { 
    //check if user is logged in 
    if (!$this->session->userdata('logged_in')) { 
    redirect('users/login'); 
    } 

    $this->form_validation->set_rules('mjestoPolaska', 'Mjesto Polaska', 'required'); 
    $this->form_validation->set_rules('mjestoOdredista', 'Mjesto Odredista', 'required'); 
    $this->form_validation->set_rules('datumPolaska', 'Datum Polaska', 'required'); 
    $this->form_validation->set_rules('datumPovratka', 'Datum Povratka', 'required'); 
    $this->form_validation->set_rules('cijena', 'Cijena', 'required'); 
    $this->form_validation->set_rules('brojMjesta', 'Broj mjesta', 'required'); 
    $this->form_validation->set_rules('opis', 'Opis', 'required'); 


    $data['title'] = 'Create Posts'; 
    $data['categories'] = $this->Posts_model->get_categories(); 

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

     $this->session->set_flashdata("error", validation_errors()); 
     $this->load->view('templates/header'); 
     $this->load->view('posts/create', $data); 
     $this->load->view('templates/footer'); 
    } else { 

     if (empty($_FILES['userfile']['name'])) { 
     $this->session->set_flashdata('error', "Please select image"); 
     redirect(site_url() . 'posts/create'); 
     } 

     $path = 'assets/images/posts/'; 
     $post_image = $this->ImageUpload($path, 'userfile', ''); 
     if (!is_array($post_image)) { 

     $this->session->set_flashdata('error', $post_image); 
     redirect(site_url() . 'posts/create'); 
     } 
     $post_image = $post_image['file_name']; 

     $this->Posts_model->create_post($post_image); 
     $this->session->set_flashdata('post_creted', 'You post has been created'); 
     redirect('posts'); 
    } 
    } 

    public function ImageUpload($upload_path, $uploading_file_name, $file_name = '') { 

    $obj = &get_instance(); 
    $obj->load->library('upload'); 
    //echo $uploading_file_name.$file_name; 
    $file_name = 'image_' . time() . $file_name . "." . pathinfo($_FILES[$uploading_file_name]['name'], PATHINFO_EXTENSION); 
    $full_path = FCPATH . $upload_path; 
    //  $full_path = $upload_path;// uncomment if you using windows os 
    // if folder is not exists then create the folder 
    //if (!is_dir($full_path)) { 
    // mkdir($full_path, 0775); 
    //} 

    $config['upload_path'] = $full_path; 
    $config['allowed_types'] = 'gif|jpg|png|jpeg|GIF|JPG|PNG|JPEG'; 
    $config['max_size'] = 2048; 
    $config['max_width'] = 2048; 
    $config['max_height'] = 2048; 
    $config['file_name'] = $file_name; 

    $obj->upload->initialize($config); 

    if (!$obj->upload->do_upload($uploading_file_name)) { 
     return $obj->upload->display_errors(); 
    } else { 
     return $obj->upload->data(); 
    } 
    } 

und ersetzen.210-<?php echo $this->session->flashdata("error")?>

Oder können Sie das Layout-Bibliothek verwenden, anstatt Aufruf header n footer [https://code.tutsplus.com/tutorials/how-to-create-a-layout-manager-with-codeigniter--net-15533]

FCPATH works fine in linux system only so check FCPATH if error come path is wrong