我有控制器baner，当我尝试运行它（运行上传功能http://localhost/010/baner/upload_img）时，出现 404 错误：
未找到您所请求的页面
这里有什么问题？
控制器：
<?php
if (!defined('BASEPATH'))
exit('No direct script access allowed');
class Upload_Baner extends CI_Controller {
protected $path_img_upload_folder;
protected $path_img_thumb_upload_folder;
protected $path_url_img_upload_folder;
protected $path_url_img_thumb_upload_folder;
protected $delete_img_url;
function __construct() {
parent::__construct();
$this->setPath_img_upload_folder("public/img/promotions/");
$this->setPath_img_thumb_upload_folder("public/img/promotions/thumbnails/");
$this->setDelete_img_url(base_url() . 'upload_baner/deleteImage/');
$this->setPath_url_img_upload_folder(base_url() . "public/img/promotions/");
$this->setPath_url_img_thumb_upload_folder(base_url() . "public/img/promotions/thumbnails/");
}
public function upload_img() {
//Format the name
$name = $_FILES['userfile']['name'];
$name = strtr($name, 'ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃà áâãäåçèéêëìÃîïðòóôõöùúûüýÿ', 'AAAAAACEEEEIIIIOOOOOUUUUYaaaaaaceeeeiiiioooooouuuuyy');
// replace characters other than letters, numbers and . by _
$name = preg_replace('/([^.a-z0-9]+)/i', '_', $name);
//Your upload directory, see CI user guide
$config['upload_path'] = $this->getPath_img_upload_folder();
$config['allowed_types'] = 'gif|jpg|png|JPG|GIF|PNG';
$config['max_size'] = '1000';
$config['file_name'] = $name;
//Load the upload library
$this->load->library('upload', $config);
if ($this->do_upload()) {
//If you want to resize
$config['new_image'] = $this->getPath_img_thumb_upload_folder();
$config['image_library'] = 'gd2';
$config['source_image'] = $this->getPath_img_upload_folder() . $name;
$config['create_thumb'] = FALSE;
$config['maintain_ratio'] = TRUE;
$config['width'] = 193;
$config['height'] = 94;
$this->load->library('image_lib', $config);
$this->image_lib->resize();
$data = $this->upload->data();
//Get info
$info = new stdClass();
$info->name = $name;
$info->size = $data['file_size'];
$info->type = $data['file_type'];
$info->url = $this->getPath_img_upload_folder() . $name;
$info->thumbnail_url = $this->getPath_img_thumb_upload_folder() . $name; //I set this to original file since I did not create thumbs. change to thumbnail directory if you do = $upload_path_url .'/thumbs' .$name
$info->delete_url = $this->getDelete_img_url() . $name;
$info->delete_type = 'DELETE';
//Return JSON data
if (IS_AJAX) { //this is why we put this in the constants to pass only json data
echo json_encode(array($info));
//this has to be the only the only data returned or you will get an error.
//if you don't give this a json array it will give you a Empty file upload result error
//it you set this without the if(IS_AJAX)...else... you get ERROR:TRUE (my experience anyway)
} else { // so that this will still work if javascript is not enabled
$file_data['upload_data'] = $this->upload->data();
echo json_encode(array($info));
}
} else {
// the display_errors() function wraps error messages in <p> by default and these html chars don't parse in
// default view on the forum so either set them to blank, or decide how you want them to display. null is passed.
$error = array('error' => $this->upload->display_errors('',''));
echo json_encode(array($error));
}
}
public function do_upload() {
if (!$this->upload->do_upload()) {
return false;
} else {
//$data = array('upload_data' => $this->upload->data());
return true;
}
}
//Function Delete image
public function deleteImage() {
//Get the name in the url
$file = $this->uri->segment(3);
$success = unlink($this->getPath_img_upload_folder() . $file);
$success_th = unlink($this->getPath_img_thumb_upload_folder() . $file);
//info to see if it is doing what it is supposed to
$info = new stdClass();
$info->sucess = $success;
$info->path = $this->getPath_url_img_upload_folder() . $file;
$info->file = is_file($this->getPath_img_upload_folder() . $file);
if (IS_AJAX) {//I don't think it matters if this is set but good for error checking in the console/firebug
echo json_encode(array($info));
} else { //here you will need to decide what you want to show for a successful delete
var_dump($file);
}
}
public function get_files() {
$this->get_scan_files();
}
public function get_scan_files() {
$file_name = isset($_REQUEST['file']) ?
basename(stripslashes($_REQUEST['file'])) : null;
if ($file_name) {
$info = $this->get_file_object($file_name);
} else {
$info = $this->get_file_objects();
}
header('Content-type: application/json');
echo json_encode($info);
}
protected function get_file_object($file_name) {
$file_path = $this->getPath_img_upload_folder() . $file_name;
if (is_file($file_path) && $file_name[0] !== '.') {
$file = new stdClass();
$file->name = $file_name;
$file->size = filesize($file_path);
$file->url = $this->getPath_url_img_upload_folder() . rawurlencode($file->name);
$file->thumbnail_url = $this->getPath_url_img_thumb_upload_folder() . rawurlencode($file->name);
//File name in the url to delete
$file->delete_url = $this->getDelete_img_url() . rawurlencode($file->name);
$file->delete_type = 'DELETE';
return $file;
}
return null;
}
protected function get_file_objects() {
return array_values(array_filter(array_map(
array($this, 'get_file_object'), scandir($this->getPath_img_upload_folder())
)));
}
public function getPath_img_upload_folder() {
return $this->path_img_upload_folder;
}
public function setPath_img_upload_folder($path_img_upload_folder) {
$this->path_img_upload_folder = $path_img_upload_folder;
}
public function getPath_img_thumb_upload_folder() {
return $this->path_img_thumb_upload_folder;
}
public function setPath_img_thumb_upload_folder($path_img_thumb_upload_folder) {
$this->path_img_thumb_upload_folder = $path_img_thumb_upload_folder;
}
public function getPath_url_img_upload_folder() {
return $this->path_url_img_upload_folder;
}
public function setPath_url_img_upload_folder($path_url_img_upload_folder) {
$this->path_url_img_upload_folder = $path_url_img_upload_folder;
}
public function getPath_url_img_thumb_upload_folder() {
return $this->path_url_img_thumb_upload_folder;
}
public function setPath_url_img_thumb_upload_folder($path_url_img_thumb_upload_folder) {
$this->path_url_img_thumb_upload_folder = $path_url_img_thumb_upload_folder;
}
public function getDelete_img_url() {
return $this->delete_img_url;
}
public function setDelete_img_url($delete_img_url) {
$this->delete_img_url = $delete_img_url;
}
}