diff options
Diffstat (limited to 'user_guide_src/source/libraries')
| -rw-r--r-- | user_guide_src/source/libraries/file_uploading.rst | 141 |
1 files changed, 113 insertions, 28 deletions
diff --git a/user_guide_src/source/libraries/file_uploading.rst b/user_guide_src/source/libraries/file_uploading.rst index c2de59865..51dd0d5e2 100644 --- a/user_guide_src/source/libraries/file_uploading.rst +++ b/user_guide_src/source/libraries/file_uploading.rst @@ -26,12 +26,29 @@ Creating the Upload Form ======================== Using a text editor, create a form called upload_form.php. In it, place -this code and save it to your applications/views/ folder: +this code and save it to your applications/views/ folder:: + + <html> + <head> + <title>Upload Form</title> + </head> + <body> + + <?php echo $error;?> + + <?php echo form_open_multipart('upload/do_upload');?> + + <input type="file" name="userfile" size="20" /> + + <br /><br /> + + <input type="submit" value="upload" /> + + </form> + + </body> + </html> -<html> <head> <title>Upload Form</title> </head> <body> <?php echo -$error;?> <?php echo form_open_multipart('upload/do_upload');?> -<input type="file" name="userfile" size="20" /> <br /><br /> <input -type="submit" value="upload" /> </form> </body> </html> You'll notice we are using a form helper to create the opening form tag. File uploads require a multipart form, so the helper creates the proper syntax for you. You'll also notice we have an $error variable. This is @@ -42,31 +59,73 @@ The Success Page ================ Using a text editor, create a form called upload_success.php. In it, -place this code and save it to your applications/views/ folder: +place this code and save it to your applications/views/ folder:: + + <html> + <head> + <title>Upload Form</title> + </head> + <body> + + <h3>Your file was successfully uploaded!</h3> + + <ul> + <?php foreach ($upload_data as $item => $value):?> + <li><?php echo $item;?>: <?php echo $value;?></li> + <?php endforeach; ?> + </ul> + + <p><?php echo anchor('upload', 'Upload Another File!'); ?></p> + + </body> + </html> -<html> <head> <title>Upload Form</title> </head> <body> <h3>Your file -was successfully uploaded!</h3> <ul> <?php foreach ($upload_data as -$item => $value):?> <li><?php echo $item;?>: <?php echo $value;?></li> -<?php endforeach; ?> </ul> <p><?php echo anchor('upload', 'Upload -Another File!'); ?></p> </body> </html> The Controller ============== Using a text editor, create a controller called upload.php. In it, place -this code and save it to your applications/controllers/ folder: - -<?php class Upload extends CI_Controller { function \__construct() { -parent::\__construct(); $this->load->helper(array('form', 'url')); } -function index() { $this->load->view('upload_form', array('error' => ' -' )); } function do_upload() { $config['upload_path'] = './uploads/'; -$config['allowed_types'] = 'gif\|jpg\|png'; $config['max_size'] = -'100'; $config['max_width'] = '1024'; $config['max_height'] = '768'; -$this->load->library('upload', $config); if ( ! -$this->upload->do_upload()) { $error = array('error' => -$this->upload->display_errors()); $this->load->view('upload_form', -$error); } else { $data = array('upload_data' => -$this->upload->data()); $this->load->view('upload_success', $data); } } -} ?> +this code and save it to your applications/controllers/ folder:: + + <?php + + class Upload extends CI_Controller { + + function __construct() + { + parent::__construct(); + $this->load->helper(array('form', 'url')); + } + + function index() + { + $this->load->view('upload_form', array('error' => ' ' )); + } + + function do_upload() + { + $config['upload_path'] = './uploads/'; + $config['allowed_types'] = 'gif|jpg|png'; + $config['max_size'] = '100'; + $config['max_width'] = '1024'; + $config['max_height'] = '768'; + + $this->load->library('upload', $config); + + if ( ! $this->upload->do_upload()) + { + $error = array('error' => $this->upload->display_errors()); + + $this->load->view('upload_form', $error); + } + else + { + $data = array('upload_data' => $this->upload->data()); + + $this->load->view('upload_success', $data); + } + } + } + ?> The Upload Folder ================= @@ -108,7 +167,16 @@ Similar to other libraries, you'll control what is allowed to be upload based on your preferences. In the controller you built above you set the following preferences:: - $config['upload_path'] = './uploads/'; $config['allowed_types'] = 'gif|jpg|png'; $config['max_size'] = '100'; $config['max_width'] = '1024'; $config['max_height'] = '768'; $this->load->library('upload', $config); // Alternately you can set preferences by calling the initialize function. Useful if you auto-load the class: $this->upload->initialize($config); + $config['upload_path'] = './uploads/'; + $config['allowed_types'] = 'gif|jpg|png'; + $config['max_size'] = '100'; + $config['max_width'] = '1024'; + $config['max_height'] = '768'; + + $this->load->library('upload', $config); + + // Alternately you can set preferences by calling the initialize function. Useful if you auto-load the class: + $this->upload->initialize($config); The above preferences should be fairly self-explanatory. Below is a table describing all available preferences. @@ -211,7 +279,8 @@ called userfile, and the form must be a "multipart type:: If you would like to set your own field name simply pass its value to the do_upload function:: - $field_name = "some_field_name"; $this->upload->do_upload($field_name) + $field_name = "some_field_name"; + $this->upload->do_upload($field_name); $this->upload->display_errors() ================================ @@ -234,7 +303,23 @@ $this->upload->data() This is a helper function that returns an array containing all of the data related to the file you uploaded. Here is the array prototype:: - Array ( [file_name] => mypic.jpg [file_type] => image/jpeg [file_path] => /path/to/your/upload/ [full_path] => /path/to/your/upload/jpg.jpg [raw_name] => mypic [orig_name] => mypic.jpg [client_name] => mypic.jpg [file_ext] => .jpg [file_size] => 22.2 [is_image] => 1 [image_width] => 800 [image_height] => 600 [image_type] => jpeg [image_size_str] => width="800" height="200" ) + Array + ( + [file_name] => mypic.jpg + [file_type] => image/jpeg + [file_path] => /path/to/your/upload/ + [full_path] => /path/to/your/upload/jpg.jpg + [raw_name] => mypic + [orig_name] => mypic.jpg + [client_name] => mypic.jpg + [file_ext] => .jpg + [file_size] => 22.2 + [is_image] => 1 + [image_width] => 800 + [image_height] => 600 + [image_type] => jpeg + [image_size_str] => width="800" height="200" + ) Explanation *********** |