Question

我正在尝试在上传时添加时间作为图像名称的前缀以及原始名称，但我无法弄明白。请帮我使用以下代码在上传时为我的原始文件名添加前缀。

<?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'] = 'Public/uploads/';
        $config['allowed_types'] = 'gif|jpg|png';
        $config['max_size'] = '1024';
        $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);
        }
    }
}
?>

Answer 1

您可以使用CI本机选项加密文件名：

$config['encrypt_name'] = TRUE;

或

您可以使用自己的代码执行此操作：

$new_name = time().$_FILES["userfiles"]['name']; $config['file_name'] = $new_name;

Answer 2

由于某些原因，对do_upload函数的连续调用不起作用。它坚持第一个函数调用

设置的第一个文件名

$small_photo_url  = $this->upload_photo('picture_small',  $this->next_id.'_small ');
$medium_photo_url = $this->upload_photo('picture_medium', $this->next_id.'_medium');
$large_photo_url  = $this->upload_photo('picture_large',  $this->next_id.'_large ');

文件名全部为“00001_small”，“00001_small1”，“00001_small2” 给出以下配置

function upload_photo($field_name, $filename)
{
    $config['upload_path'] = 'Public/uploads/';
    $config['allowed_types'] = 'gif|jpg|png';
    $config['max_size'] = '1024';
    $config['max_width']  = '1024';
    $config['max_height']  = '768';
    $config['file_name'] = $filename;

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

    if ( ! $this->upload->do_upload())...

我认为这是因为第二次调用它时这行不起作用。它不会再次设置配置

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

=============================================== =========================== 解决连续do_upload函数调用期间遇到的问题：

// re-initialize upload library
$this->upload->initialize($config);

Answer 3

对于你正在寻找的东西，这对我有用：

$path = $_FILES['image']['name'];
$newName = "<Whatever name>".".".pathinfo($path, PATHINFO_EXTENSION);

Answer 4

使用do_upload（）函数时，其重命名文件名（如果已存在）并上传文件

系统->库-> Upload.php

do_upload（）的默认函数返回true或false 替换

返回$ this-> upload_path。$ this-> file_name;

和另一个文件

 <input type='file' name='userfile'/>


<?php
    $upload_file_name = $this->upload->do_upload('userfile');
                $finalname;
                if (!$upload_file_name) {
                    $finalname = 'default.png';
                } else {

                    $split_data_upload_file_name = explode("/", $upload_file_name);
                    foreach ($split_data_upload_file_name as $i => $value) {

                        $finalname = $value;
                    }
                }

?>

Answer 5

$config['file_name'] = $new_name;

Just add it align with the config codes.

Answer 6

这应该是在上传之后。

在此处理您想要的文件名：

$a=$this->upload->data();         
rename($a['full_path'],$a['file_path'].'file_name_you_want');

Answer 7

尝试一下：

$config['file_name'] = "yourCustomFileName";

Answer 8

        /* Conf */
        $new_name                   = time().$_FILES["userfiles"]['name'];
        $config['file_name']        = $new_name;
        $config['upload_path']      = './upload/';
        $config['allowed_types']    = 'gif|jpg|png';
        $config['max_size']         = '';
        $config['max_width']        = '';
        $config['max_height']       = '';
        $config['file_ext_tolower'] = TRUE;

      /*  Load the upload library  */   
        $this->load->library('upload', $config);

Answer 9

如果您的aws sts get-caller-identity使用以下代码：$config 文件名将被强制使用加密名称重命名，只需删除代码即可。

Answer 10

解决方案 1： 上传具有新的自定义和特定名称的文件（注意：此答案适用于您提交记录的唯一名称时，例如学生姓名是记录中的唯一值那么你将使用 $_POST['student_name'])

$config['file_name'] = str_replace(' ', '_', $_POST['anyUniqueValue']);
//any Other unique value that you are using to submit with this file
$config['upload_path'] = './folderName/';
$config['encrypt_name'] = FALSE;

解决方案 2：使用新的唯一名称上传文件

$config['file_name'] = time();
$config['upload_path'] = './folderName/';
$config['encrypt_name'] = FALSE;

解决方案 3： 使用 codeigniter 的默认选项上传具有新唯一名称的文件

$config['encrypt_name'] = TRUE;

Codeigniter在上传时重命名文件

10 个答案: