如何识别使用定向到我的Codeigniter控制器的路由规则


How to identify Routing rule that used that directed to my Codeigniter controller?

在我的应用程序中
我有3个路由规则(在routes.php文件中定义),它们指向一个控制器

$route[urlencode('news')]       = "news/show-news";  
$route[urlencode('letters')]    = "news/show-news";  
$route[urlencode('papers')]     = "news/show-news"; 

所以
如果任何用户导航到这些URL中的任何一个
http://example.com/news/
http://example.com/letters/
http://example.com/papers/

目标控制器为news/show-news

我的需要
如何识别使用定向到我的Codeigniter控制器的路由规则?

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
class News extends CI_Controller {
    public function show-news(){        
        // came from [news OR letters OR papers]  ??
    }   
}

你可以用这样的方法来实现,但有各种方法可以实现你想要的。基本上,为了给你一个启动,请查看下面的代码:

在您的控制器中,您输入以下代码:

class News extends CI_Controller {
    public function show_news( $method = '' )      
    {
        switch ( $method )
        {
            // If news requested
            case 'news':
                // your code here
                echo 'news requested';
            break;
            // If letters requested
            case 'letters':
                // your code here
                echo 'letters requested';
            break;
            // If papers requested
            case 'papers':
                // your code here
                echo 'papers requested';
            break;
            // Default landing if nothing provided
            default:
                // your code here
                echo 'select one of the show method';
        }
    }   
}

在您的routes.php中,您键入以下内容:

$route['news'] = "news/show_news/news";
$route['letters'] = "news/show_news/letters";
$route['papers'] = "news/show_news/papers";

因此,您有第四个选项,如果没有提供任何内容,您可以重定向到某个页面,用户可以在其中选择default部分中可用的新闻类型之一。

首先感谢@spirinemaga
他的答案是正确的
但是,如果我们想在不使用参数控制器功能的情况下执行
我们可以做到

public function show-news(){
    // came from [news OR letters OR papers]  ??
    $requested_URI_segment = $this->uri->segment(1);
    $requested_URI_segment = urldecode($requested_URI_segment);
    switch ( $requested_URI_segment ){
        // If news requested
        case 'news':
            // your code here
            echo 'news requested'. '</br>';
        break;
        // If letters requested
        case 'letters':
            // your code here
            echo 'letters requested'. '</br>';
        break;
        // If papers requested
        case 'papers':
            // your code here
            echo 'papers requested'. '</br>';
        break;
        // Default landing if nothing provided
        default:
            // your code here
            echo 'select one of the show method'. '</br>';
    }

试试这个:

$route['news'] = "controller/method_name";
$route['letter'] = "controller/method_name";
$route['papers'] = "controller/method_name";

我有一个项目,我以前用CI做的,我有一部分是为学生&缺席的所以在我的路线上,我设置成这样:

$route['student/page'] = "student/index";
$route['student/page/(:num)'] = "student/index/$1";
$route['absent/page'] = "absent/index";
$route['absent/page/(:num)'] = "absent/index/$1";

还有一些关于htaccess的设置。