Share the entire process of successfully uploading images with CodeIgniter_PHP tutorial

I have been working on a small CMS in the past few days, and I am using it to upload images. I want to use CodeIgniter’s upload class to implement it, but there are many problems in the test. I will share my experience and what I need to pay attention to!

Copy code The code is as follows:

Of course, you can also use do_upload($filename). The $filename here must be consistent with the string in form_upload().
I was confused here and finally understood it after reading the manual. I hope everyone pays attention!
*/

controller code:
function upload() {           $config['upload_path'] = './uploads/';                                                  The uploads are relative to Index.php, that is, the entry file, don't make a mistake! Otherwise, you will report an error. >        $config['allowed_types'] = 'gif|jpg|png';
                                                                                                                                                                                                                                      uploaded file to the final destination.
This error usually means that the file name of the uploaded file cannot be a Chinese name. This is very frustrating! It has not been solved yet. You can use other methods and rename the file to solve it!
        $config['allowed_types'] = 'zip|gz|png|gif|jpg'; (Correct)
       $config['allowed_types'] = 'png|gif|jpg|zip|gz'; (wrong)
      */
         $config['max_size'] = '1024';
         $config['max_width']       = '1024';

$config['file_name'] = time(); //Do not use the original name for the file name
$this->load->library('upload', $config);
if( !$this->upload->do_upload()) {
                echo $this->upload->display_errors();
                                                                                                                   
$ data ['upload_data'] = $ this- & gt; upload- & gt; data (); // Some information of the file

$ img = $ data ['upload_data']; /'file_name']; / /Get file name

echo $img."
";

Foreach ($ Data ['upload_data'] as $ item = & gt; $ value) {
echo $ item. ":". $ Value. "& Lt;"

         }

}

}

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TechArticleIn the past few days, I have been working on a small CMS and used it to upload images. I want to use CodeIgniter’s upload class to implement it. But there are many problems in the test, I will share my experience and what should be paid attention to! Copy...