使用CodeIgniter上传文件

Question

我正在尝试使用CodeIgniter构建一个具有图片上传器且似乎卡住的表单。数据库提交工作时，我注释掉文件上传，但当我把文件上传返回时没有反应。我也没有收到任何错误，当我运行这个。

我相信我错过了一些明显的东西，但我不能为我的生活找出它是什么。任何帮助将不胜感激！

控制器

public function Upload() 
{ 
    $data['segment'] = 'Contact us'; 

    // Checks if user is logged in 
    if ($this->session->userdata('logged_in') === TRUE) { 
     $data['user'] = $this->session->userdata('username'); 
    } 
    else { 
     $data['user'] = null; 
    } 

    $url = base_url(); 

      $config['upload_path'] = './uploads/'; 

      // Load an initialize 
    $this->load->helper('form'); 
    $this->load->library('form_validation'); 
      $this->upload->initialize($config); 

    $this->form_validation->set_rules("name", '"name"', 'required|trim|max_length[30]|xss_clean'); 

    // Uploads file 
    if (! $this->upload->do_upload('userfile')) { 
     $data['error'] = array('error' => $this->upload->display_errors()); 
    } 

    else { 
     $data = array('upload_data' => $this->upload->data()); 
     $img_data = $this->upload->data(); 

     if (FALSE !== $this->form_validation->run()) { 
          // Database submission 
      $submission = new ReptileModel(); 

      $submission->name   = $this->input->post("name"); 
      $submission->sex   = $this->input->post("sex"); 
      $submission->hatch_date  = $this->input->post("date"); 
      $submission->morph   = $this->input->post("morph"); 
      $submission->weight   = $this->input->post("weight"); 
      $submission->price   = $this->input->post("price"); 
      $submission->reptile_id  = $this->input->post("rid"); 
      $submission->description = $this->input->post("description"); 
      $submission->image  = $img_data['file_name']; 

      if ($submission->save()) { 

       redirect('main/index'); 

      } 
      else { 
       $this->session->set_flashdata('message','Not uploaded'); 
      } 
     } 
    } 
    $this->upload->display_errors(); 
    $this->load->view('header', $data); 
    if ($this->session->userdata('logged_in') === TRUE) { 
     $this->load->view('admin/reptileUpload', $data); 
    } 
    else { 
     redirect('main/index'); 
    } 
    $this->load->view('footer'); 

查看页面

<?php 
$rname_field = array(
    'name' => 'name', 
    'id' => 'name', 
    'value' => set_value('name') 
); 

$rsex_field = array(
    'name' => 'sex', 
    'id' => 'sex', 
    'value' => set_value('sex'), 
    'placeholder' => 'Male or female' 
); 

$rdate_field = array(
    'name' => 'date', 
    'id' => 'date', 
    'value' => set_value('date'), 
    'placeholder' => 'January 1, 2100' 
); 

$rmorph_field = array(
    'name' => 'morph', 
    'id' => 'morph', 
    'value' => set_value('morph') 
); 

$rweight_field = array(
    'name' => 'weight', 
    'id' => 'weight', 
    'value' => set_value('weight'), 
    'placeholder' => 'Please only put a number, no letters.' 
); 

$rprice_field = array(
    'name' => 'price', 
    'id' => 'price', 
    'value' => set_value('price'), 
    'placeholder' => 'The price with a decimal, but no dollar sign.' 
); 

$rid_field = array(
    'name' => 'rid', 
    'id' => 'rid', 
    'value' => set_value('rid') 
); 

$rdescriptione_field = array(
    'name' => 'description', 
    'id' => 'description', 
    'value' => set_value('description'), 
    'rows' => '5', 
    'placeholder' => 'A short descrition.' 
); 

?> 
<?php echo $error;?> 
<div class="row"> 
    <?php print form_open_multipart('admin/upload'); ?> 
    <fieldset class="form-wrapper"> 
     <div class="large-8 columns"> 
      <div class="row"> 
       <div class="large-6 columns"> 
       <div class="form-field"> 
        <label for="name">Name:<br /></label> 
        <?php echo form_input($rname_field); ?> 
       </div> 
       </div> 

       <div class="large-6 columns"> 
       <div class="form-field"> 
        <label for="sex">Sex:<br /></label> 
        <?php echo form_input($rsex_field); ?> 
       </div> 
       </div> 
      </div> 

      <div class="row"> 
       <div class="large-6 columns"> 
       <div class="form-field"> 
        <label for="date">Hatch Date:<br /></label> 
        <?php echo form_input($rdate_field); ?> 
       </div> 
       </div> 

       <div class="large-6 columns"> 
       <div class="form-field"> 
        <label for="morph">Morph:<br /></label> 
        <?php echo form_input($rmorph_field); ?> 
       </div> 
       </div> 
      </div> 

      <div class="row"> 
       <div class="large-4 columns"> 
       <div class="form-field"> 
        <label for="weight">Weight:<br /></label> 
        <?php echo form_input($rweight_field); ?> 
       </div> 
       </div> 

       <div class="large-4 columns"> 
       <div class="form-field"> 
        <label for="price">Price:<br /></label> 
        <?php echo form_input($rprice_field); ?> 
       </div> 
       </div> 

       <div class="large-4 columns"> 
       <div class="form-field"> 
        <label for="rid">ID:<br /></label> 
        <?php echo form_input($rid_field); ?> 
       </div> 
       </div> 
      </div> 

      <div class="row"> 
       <div class="large-12 columns"> 
       <div class="form-field"> 
        <label for="description">Description:<br /></label> 
        <?php echo form_textarea($rdescriptione_field); ?> 
       </div> 
       </div> 
      </div> 

      <div class="row"> 
       <div class="large-12 columns"> 
       <div class="form-field"> 
        <input type="file" name="userfile" id="image" /> 
       </div> 
       </div> 
      </div> 
     </div> 

     <div class="large-4 columns"> 

      <div class="row"> 
       <div class="large-12 columns"> 
        <div class="form-actions"> 
         <input class="button success" type="submit" name="submit" value="Send &raquo;" /> 
        </div> 
       </div> 
      </div> 

      <div class="row"> 
       <div class="large-12 columns"> 
        <input class="button alert" type="reset" name="reset" value="Clear" /> 
       </div> 
      </div> 

      <div class="row"> 
       <div class="large-12 columns"> 
        <?php print validation_errors('<div data-alert class="alert-box alert">', '<a href="#" class="close">&times;</a></div>'); ?> 
       </div> 
      </div> 
     </div> 
     </fieldset> 
    </div> 
    <?php print form_close();?> 
</div> 

Answer 1

添加$config['allowed_types'] = '*';