在此服务器上找不到请求的 URL。引荐页面上的链接似乎错误或过时

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【中文标题】在此服务器上找不到请求的 URL。引荐页面上的链接似乎错误或过时【英文标题】:The requested URL was not found on this server. The link on the referring page seems to be wrong or outdated 【发布时间】:2017-04-27 04:45:39 【问题描述】:

我尝试在 Codeigniter 中创建登录表单。表单在浏览器中正确显示,但只要我按下登录按钮,我就会被重定向到 404 页面错误,并显示我在标题中输入的消息。我真的需要你的帮助。我的代码:

user.php-控制器

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');

class User extends CI_Controller

 public function __construct()
  parent::__construct();
  $this->load->model('UserModel');
  $this->load->library(array('form_validation','session'));
  $this->load->helper(array('url','html','form'));
 

 public function index()
  $this->login();
 


 public function login()
  $this->load->view('login');
 

 public function successpage()
  $this->load->view('successpage');
 

 function logout()
  $this->session->sess_destroy();
  redirect(base_url());
 


 function signin()

  $userName= trim($this->input->post('userName'));
  $password= trim($this->input->post('password'));

  $query = $this->UserModel->processLogin($userName,$password);


  $this->form_validation->set_rules('userName', 'Username', 'required|callback_validateUser[' . $query->num_rows() . ']');
  $this->form_validation->set_rules('password', 'Password', 'required');

  $this->form_validation->set_error_delimiters('<div class="error">', '</div>');
  $this->form_validation->set_message('required', 'Enter %s');

  if ($this->form_validation->run() == FALSE) 
   $this->load->view('login');
  else
   if($query)
    $query = $query->result();
    $user = array(
     'id' => $query[0]->id,
     'username' => $query[0]->username,
     'email' => $query[0]->email,
     'employee_emer' => $query[0]->employee_emer,
     'mbiemer' => $query[0]->mbiemer
    );

    $this->session->set_userdata($user);
    redirect('index.php/successpage');
   
  
 

 /** Custom Validation Method*/
 public function validateUser($username,$recordCount)
  if ($recordCount != 0)
   return TRUE;
  else
   $this->form_validation->set_message('validateUser', 'Invalid %s or Password');
   return FALSE;
  
 

usermodel.php

<?php
class UserModel extends CI_Model 

 function __construct()
  parent::__construct();
 

 function processLogin($username=NULL,$password)
  $this->db->select("id,username,employee_emer,mbiemer");
  $whereCondition = $array = array('username' =>$username,'password'=>$password);
  $this->db->where($whereCondition);
  $this->db->from('employee');
  $query = $this->db->get();
  return $query;
 


?>

login.php-view

<!DOCTYPE html>
<html lang="en">
<head>
     <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
    <style>
     .error
      color:red;
     
    </style>
</head>    
<body>
 <div class="container">
     <div class="row">
         <div class="col-md-6">
             <div class="row">
                 <div class="col-md-12">
                     <h3>Login In</h3>
                  <form method="post" action="http://localhost/codeigniterexamples/index.php/signin">                                             
                      <div class="form-group">                       
                       <label for="username">Username</label> <input type="text" class="form-control" id="username" name="username" value="<?php echo set_value('username'); ?>">
                       <?php echo form_error('username'); ?>                       
       </div>

       <div class="form-group">
        <label for="password"> Password </label> <input type="password" class="form-control" id="password" name="password" value="<?php echo set_value('password'); ?>"> 
        <?php echo form_error('password'); ?>

       </div>

                   <button class="btn btn-success" type="submit">Login</button>

      </form>
     </div>
             </div>
         </div>               
     </div>
 </div>        
</body>
</html> 

successpage.php-view

<!DOCTYPE html>
<html lang="en">
 <head>
    <link href="<?= base_url();?>css/bootstrap.css" rel="stylesheet">
    </head>
    <body>
    <div class="container">
            <div class="row">
               <div class="col-md-6">
                 <div class="row">
                  <div class="col-md-12">
                      <h3>Login Successful <?=$this->session->userdata('employee_emer')?> <?=$this->session->userdata('mbiemer')?></h3>
                      <a href="<?= base_url();?>index.php/logout">Logout</a>                                               
                     </div>
                   </div>
                </div>               
            </div>
  </div>        
    </body>
</html>

路由.php

<?php
defined('BASEPATH') OR exit('No direct script access allowed');

/*
|--------------------------------------------------------------------------
| Base Site URL
|--------------------------------------------------------------------------
|
| URL to your CodeIgniter root. Typically this will be your base URL,
| WITH a trailing slash:
|
|   http://example.com/
|
| WARNING: You MUST set this value!
|
| If it is not set, then CodeIgniter will try guess the protocol and path
| your installation, but due to security concerns the hostname will be set
| to $_SERVER['SERVER_ADDR'] if available, or localhost otherwise.
| The auto-detection mechanism exists only for convenience during
| development and MUST NOT be used in production!
|
| If you need to allow multiple domains, remember that this file is still
| a PHP script and you can easily do that on your own.
|
*/

$config['base_url'] = 'http://localhost/ci_intro';

/*
|--------------------------------------------------------------------------
| Index File
|--------------------------------------------------------------------------
|
| Typically this will be your index.php file, unless you've renamed it to
| something else. If you are using mod_rewrite to remove the page set this
| variable so that it is blank.
|
*/
$config['index_page'] = 'index.php';

/*
|--------------------------------------------------------------------------
| URI PROTOCOL
|--------------------------------------------------------------------------
|
| This item determines which server global should be used to retrieve the
| URI string.  The default setting of 'REQUEST_URI' works for most servers.
| If your links do not seem to work, try one of the other delicious flavors:
|
| 'REQUEST_URI'    Uses $_SERVER['REQUEST_URI']
| 'QUERY_STRING'   Uses $_SERVER['QUERY_STRING']
| 'PATH_INFO'      Uses $_SERVER['PATH_INFO']
|
| WARNING: If you set this to 'PATH_INFO', URIs will always be URL-decoded!
*/
$config['uri_protocol'] = 'REQUEST_URI';

/*
|--------------------------------------------------------------------------
| URL suffix
|--------------------------------------------------------------------------
|
| This option allows you to add a suffix to all URLs generated by CodeIgniter.
| For more information please see the user guide:
|
| https://codeigniter.com/user_guide/general/urls.html
*/
$config['url_suffix'] = '';

/*
|--------------------------------------------------------------------------
| Default Language
|--------------------------------------------------------------------------
|
| This determines which set of language files should be used. Make sure
| there is an available translation if you intend to use something other
| than english.
|
*/
$config['language'] = 'english';

/*
|--------------------------------------------------------------------------
| Default Character Set
|--------------------------------------------------------------------------
|
| This determines which character set is used by default in various methods
| that require a character set to be provided.
|
| See http://php.net/htmlspecialchars for a list of supported charsets.
|
*/
$config['charset'] = 'UTF-8';

/*
|--------------------------------------------------------------------------
| Enable/Disable System Hooks
|--------------------------------------------------------------------------
|
| If you would like to use the 'hooks' feature you must enable it by
| setting this variable to TRUE (boolean).  See the user guide for details.
|
*/
$config['enable_hooks'] = FALSE;

/*
|--------------------------------------------------------------------------
| Class Extension Prefix
|--------------------------------------------------------------------------
|
| This item allows you to set the filename/classname prefix when extending
| native libraries.  For more information please see the user guide:
|
| https://codeigniter.com/user_guide/general/core_classes.html
| https://codeigniter.com/user_guide/general/creating_libraries.html
|
*/
$config['subclass_prefix'] = 'MY_';

/*
|--------------------------------------------------------------------------
| Composer auto-loading
|--------------------------------------------------------------------------
|
| Enabling this setting will tell CodeIgniter to look for a Composer
| package auto-loader script in application/vendor/autoload.php.
|
|   $config['composer_autoload'] = TRUE;
|
| Or if you have your vendor/ directory located somewhere else, you
| can opt to set a specific path as well:
|
|   $config['composer_autoload'] = '/path/to/vendor/autoload.php';
|
| For more information about Composer, please visit http://getcomposer.org/
|
| Note: This will NOT disable or override the CodeIgniter-specific
|   autoloading (application/config/autoload.php)
*/
$config['composer_autoload'] = FALSE;

/*
|--------------------------------------------------------------------------
| Allowed URL Characters
|--------------------------------------------------------------------------
|
| This lets you specify which characters are permitted within your URLs.
| When someone tries to submit a URL with disallowed characters they will
| get a warning message.
|
| As a security measure you are STRONGLY encouraged to restrict URLs to
| as few characters as possible.  By default only these are allowed: a-z 0-9~%.:_-
|
| Leave blank to allow all characters -- but only if you are insane.
|
| The configured value is actually a regular expression character group
| and it will be executed as: ! preg_match('/^[<permitted_uri_chars>]+$/i
|
| DO NOT CHANGE THIS UNLESS YOU FULLY UNDERSTAND THE REPERCUSSIONS!!
|
*/
$config['permitted_uri_chars'] = 'a-z 0-9~%.:_\-';

/*
|--------------------------------------------------------------------------
| Enable Query Strings
|--------------------------------------------------------------------------
|
| By default CodeIgniter uses search-engine friendly segment based URLs:
| example.com/who/what/where/
|
| By default CodeIgniter enables access to the $_GET array.  If for some
| reason you would like to disable it, set 'allow_get_array' to FALSE.
|
| You can optionally enable standard query string based URLs:
| example.com?who=me&what=something&where=here
|
| Options are: TRUE or FALSE (boolean)
|
| The other items let you set the query string 'words' that will
| invoke your controllers and its functions:
| example.com/index.php?c=controller&m=function
|
| Please note that some of the helpers won't work as expected when
| this feature is enabled, since CodeIgniter is designed primarily to
| use segment based URLs.
|
*/
$config['allow_get_array'] = TRUE;
$config['enable_query_strings'] = FALSE;
$config['controller_trigger'] = 'c';
$config['function_trigger'] = 'm';
$config['directory_trigger'] = 'd';

/*
|--------------------------------------------------------------------------
| Error Logging Threshold
|--------------------------------------------------------------------------
|
| You can enable error logging by setting a threshold over zero. The
| threshold determines what gets logged. Threshold options are:
|
|   0 = Disables logging, Error logging TURNED OFF
|   1 = Error Messages (including PHP errors)
|   2 = Debug Messages
|   3 = Informational Messages
|   4 = All Messages
|
| You can also pass an array with threshold levels to show individual error types
|
|   array(2) = Debug Messages, without Error Messages
|
| For a live site you'll usually only enable Errors (1) to be logged otherwise
| your log files will fill up very fast.
|
*/
$config['log_threshold'] = 0;

/*
|--------------------------------------------------------------------------
| Error Logging Directory Path
|--------------------------------------------------------------------------
|
| Leave this BLANK unless you would like to set something other than the default
| application/logs/ directory. Use a full server path with trailing slash.
|
*/
$config['log_path'] = '';

/*
|--------------------------------------------------------------------------
| Log File Extension
|--------------------------------------------------------------------------
|
| The default filename extension for log files. The default 'php' allows for
| protecting the log files via basic scripting, when they are to be stored
| under a publicly accessible directory.
|
| Note: Leaving it blank will default to 'php'.
|
*/
$config['log_file_extension'] = '';

/*
|--------------------------------------------------------------------------
| Log File Permissions
|--------------------------------------------------------------------------
|
| The file system permissions to be applied on newly created log files.
|
| IMPORTANT: This MUST be an integer (no quotes) and you MUST use octal
|            integer notation (i.e. 0700, 0644, etc.)
*/
$config['log_file_permissions'] = 0644;

/*
|--------------------------------------------------------------------------
| Date Format for Logs
|--------------------------------------------------------------------------
|
| Each item that is logged has an associated date. You can use PHP date
| codes to set your own date formatting
|
*/
$config['log_date_format'] = 'Y-m-d H:i:s';

/*
|--------------------------------------------------------------------------
| Error Views Directory Path
|--------------------------------------------------------------------------
|
| Leave this BLANK unless you would like to set something other than the default
| application/views/errors/ directory.  Use a full server path with trailing slash.
|
*/
$config['error_views_path'] = '';

/*
|--------------------------------------------------------------------------
| Cache Directory Path
|--------------------------------------------------------------------------
|
| Leave this BLANK unless you would like to set something other than the default
| application/cache/ directory.  Use a full server path with trailing slash.
|
*/
$config['cache_path'] = '';

/*
|--------------------------------------------------------------------------
| Cache Include Query String
|--------------------------------------------------------------------------
|
| Whether to take the URL query string into consideration when generating
| output cache files. Valid options are:
|
|   FALSE      = Disabled
|   TRUE       = Enabled, take all query parameters into account.
|                Please be aware that this may result in numerous cache
|                files generated for the same page over and over again.
|   array('q') = Enabled, but only take into account the specified list
|                of query parameters.
|
*/
$config['cache_query_string'] = FALSE;

/*
|--------------------------------------------------------------------------
| Encryption Key
|--------------------------------------------------------------------------
|
| If you use the Encryption class, you must set an encryption key.
| See the user guide for more info.
|
| https://codeigniter.com/user_guide/libraries/encryption.html
|
*/
$config['encryption_key'] = 'REALLY_LONG_NUMBER';

/*
|--------------------------------------------------------------------------
| Session Variables
|--------------------------------------------------------------------------
|
| 'sess_driver'
|
|   The storage driver to use: files, database, redis, memcached
|
| 'sess_cookie_name'
|
|   The session cookie name, must contain only [0-9a-z_-] characters
|
| 'sess_expiration'
|
|   The number of SECONDS you want the session to last.
|   Setting to 0 (zero) means expire when the browser is closed.
|
| 'sess_save_path'
|
|   The location to save sessions to, driver dependent.
|
|   For the 'files' driver, it's a path to a writable directory.
|   WARNING: Only absolute paths are supported!
|
|   For the 'database' driver, it's a table name.
|   Please read up the manual for the format with other session drivers.
|
|   IMPORTANT: You are REQUIRED to set a valid save path!
|
| 'sess_match_ip'
|
|   Whether to match the user's IP address when reading the session data.
|
|   WARNING: If you're using the database driver, don't forget to update
|            your session table's PRIMARY KEY when changing this setting.
|
| 'sess_time_to_update'
|
|   How many seconds between CI regenerating the session ID.
|
| 'sess_regenerate_destroy'
|
|   Whether to destroy session data associated with the old session ID
|   when auto-regenerating the session ID. When set to FALSE, the data
|   will be later deleted by the garbage collector.
|
| Other session cookie settings are shared with the rest of the application,
| except for 'cookie_prefix' and 'cookie_httponly', which are ignored here.
|
*/
$config['sess_driver'] = 'files';
$config['sess_cookie_name'] = 'ci_session';
$config['sess_expiration'] = 7200;
$config['sess_encrypt_cookie']  = TRUE;
$config['sess_use_database']    = FALSE;
$config['sess_save_path'] = NULL;
$config['sess_match_ip'] = FALSE;
$config['sess_time_to_update'] = 300;
$config['sess_regenerate_destroy'] = FALSE;

/*
|--------------------------------------------------------------------------
| Cookie Related Variables
|--------------------------------------------------------------------------
|
| 'cookie_prefix'   = Set a cookie name prefix if you need to avoid collisions
| 'cookie_domain'   = Set to .your-domain.com for site-wide cookies
| 'cookie_path'     = Typically will be a forward slash
| 'cookie_secure'   = Cookie will only be set if a secure HTTPS connection exists.
| 'cookie_httponly' = Cookie will only be accessible via HTTP(S) (no javascript)
|
| Note: These settings (with the exception of 'cookie_prefix' and
|       'cookie_httponly') will also affect sessions.
|
*/
$config['cookie_prefix']    = '';
$config['cookie_domain']    = '';
$config['cookie_path']      = '/';
$config['cookie_secure']    = FALSE;
$config['cookie_httponly']  = FALSE;

/*
|--------------------------------------------------------------------------
| Standardize newlines
|--------------------------------------------------------------------------
|
| Determines whether to standardize newline characters in input data,
| meaning to replace \r\n, \r, \n occurrences with the PHP_EOL value.
|
| This is particularly useful for portability between UNIX-based OSes,
| (usually \n) and Windows (\r\n).
|
*/
$config['standardize_newlines'] = FALSE;

/*
|--------------------------------------------------------------------------
| Global XSS Filtering
|--------------------------------------------------------------------------
|
| Determines whether the XSS filter is always active when GET, POST or
| COOKIE data is encountered
|
| WARNING: This feature is DEPRECATED and currently available only
|          for backwards compatibility purposes!
|
*/
$config['global_xss_filtering'] = FALSE;

/*
|--------------------------------------------------------------------------
| Cross Site Request Forgery
|--------------------------------------------------------------------------
| Enables a CSRF cookie token to be set. When set to TRUE, token will be
| checked on a submitted form. If you are accepting user data, it is strongly
| recommended CSRF protection be enabled.
|
| 'csrf_token_name' = The token name
| 'csrf_cookie_name' = The cookie name
| 'csrf_expire' = The number in seconds the token should expire.
| 'csrf_regenerate' = Regenerate token on every submission
| 'csrf_exclude_uris' = Array of URIs which ignore CSRF checks
*/
$config['csrf_protection'] = FALSE;
$config['csrf_token_name'] = 'csrf_test_name';
$config['csrf_cookie_name'] = 'csrf_cookie_name';
$config['csrf_expire'] = 7200;
$config['csrf_regenerate'] = TRUE;
$config['csrf_exclude_uris'] = array();

/*
|--------------------------------------------------------------------------
| Output Compression
|--------------------------------------------------------------------------
|
| Enables Gzip output compression for faster page loads.  When enabled,
| the output class will test whether your server supports Gzip.
| Even if it does, however, not all browsers support compression
| so enable only if you are reasonably sure your visitors can handle it.
|
| Only used if zlib.output_compression is turned off in your php.ini.
| Please do not use it together with httpd-level output compression.
|
| VERY IMPORTANT:  If you are getting a blank page when compression is enabled it
| means you are prematurely outputting something to your browser. It could
| even be a line of whitespace at the end of one of your scripts.  For
| compression to work, nothing can be sent before the output buffer is called
| by the output class.  Do not 'echo' any values with compression enabled.
|
*/
$config['compress_output'] = FALSE;

/*
|--------------------------------------------------------------------------
| Master Time Reference
|--------------------------------------------------------------------------
|
| Options are 'local' or any PHP supported timezone. This preference tells
| the system whether to use your server's local time as the master 'now'
| reference, or convert it to the configured one timezone. See the 'date
| helper' page of the user guide for information regarding date handling.
|
*/
$config['time_reference'] = 'local';

/*
|--------------------------------------------------------------------------
| Rewrite PHP Short Tags
|--------------------------------------------------------------------------
|
| If your PHP installation does not have short tag support enabled CI
| can rewrite the tags on-the-fly, enabling you to utilize that syntax
| in your view files.  Options are TRUE or FALSE (boolean)
|
| Note: You need to have eval() enabled for this to work.
|
*/
$config['rewrite_short_tags'] = FALSE;

/*
|--------------------------------------------------------------------------
| Reverse Proxy IPs
|--------------------------------------------------------------------------
|
| If your server is behind a reverse proxy, you must whitelist the proxy
| IP addresses from which CodeIgniter should trust headers such as
| HTTP_X_FORWARDED_FOR and HTTP_CLIENT_IP in order to properly identify
| the visitor's IP address.
|
| You can use both an array or a comma-separated list of proxy addresses,
| as well as specifying whole subnets. Here are a few examples:
|
| Comma-separated:  '10.0.1.200,192.168.5.0/24'
| Array:        array('10.0.1.200', '192.168.5.0/24')
*/
$config['proxy_ips'] = '';

【问题讨论】:

请发布您的路线。 $route['default_controller'] = '登录'; $route['404_override'] = ''; $route['translate_uri_dashes'] = FALSE; 你没有/signin的路由 我应该添加一条唱歌路线吗?? 可能,您没有提供相关信息。根据您的路线,登录似乎是一个控制器,但您告诉我们控制器是user.php 所以,不知道.... 【参考方案1】:

在您的路由文件中添加以下行。

$route['signin'] = 'user/signin';

【讨论】:

@Kiran 如果控制器是用户,我猜是"user/signin" 而不是"login/signin" 当我进行此更改时,我的登录按钮不会将我重定向到欢迎页面,在这种情况下为 successpage.php @n00dl3 现在它会将我重定向到 404 页面错误。请帮帮我 是的,如果是用户,那么 $route['signin'] = 'user/signin'; 能否请您在此处发布完整的路线文件。【参考方案2】:
Hope this will condition helpful for you.

In config file if you have already defined base_url ignore it otherwise please define it.

$baseurl=$_SERVER['HTTP_HOST'];
$baseurl.=str_replace(basename($_SERVER['SCRIPT_NAME']),'',$_SERVER['SCRIPT_NAME']);
$config['base_url'] ='http://'.$baseurl;


base_url must be defined in config file when we keep base_url the condition is formatted as http://localhost/projectname/

After Login you just use this line for redirection 
syntax:redirect(base_url('controllername/methodname'));
redirect(base_url('user/successpage'));

this condition will redirect to  http://localhost/projectname/user/successpage

【讨论】:

我试过了,但我得到了这个错误:找不到您请求的页面。 保留配置文件一次。 我发现了错误。在我的 xampp 中 htdocs 的项目文件夹中,有 .htaccess 文件丢失了

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