CodeIgniter 让控制器可以支持多级子目录的 Router 类库

MY_Router.php 放到 system/application/libraries 目录下，就可以让 CI 的控制器支持多级子目录了。
这样，你就可以在 system/application/controllers 目录下放置更多级别的目录，访问的方式就是 index.php/目录1/目录2/目录3/控制器/方法/参数
请注意，你不需要 load，因为这个类是系统自动 load 的。

MY_Router.php 代码

  1 <?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
  2 /**
  3  * 自定义路由类
  4  *
  5  * 让CI控制器支持多级目录
  6  *
  7  * @author      SOHOCN.NET
  8  * @copyright   Copyright © 2012 - 2018 www.sohocn.net All rights reserved.
  9  * @created     2012-12-13
 10  * @updated     2012-12-13
 11  * @version     1.0
 12  */
 13  
 14 class MY_Router extends CI_Router
 15 {
 16     /**
 17      *  Set the directory name
 18      *
 19      * @access  public
 20      * @param   string
 21      * @return  void
 22      */
 23     function set_directory($dir)
 24     {
 25         $this->directory = $dir.'/';
 26     }
 27  
 28     /**
 29      * Validates the supplied segments.  Attempts to determine the path to
 30      * the controller.
 31      *
 32      * @access  private
 33      * @param   array
 34      * @return  array
 35      */
 36  
 37     function _validate_request($segments)
 38     {
 39         if (count($segments) == 0)
 40         {
 41             return $segments;
 42         }
 43  
 44         // Does the requested controller exist in the root folder?
 45         if (file_exists(APPPATH.'controllers/'.$segments[0].'.php'))
 46         {
 47             return $segments;
 48         }
 49  
 50         // Is the controller in a sub-folder?
 51         if (is_dir(APPPATH.'controllers/'.$segments[0]))
 52         {
 53             $temp = array('dir' => array(), 'path' => APPPATH.'controllers/');
 54  
 55             foreach($segments as $k => $v)
 56             {
 57                 $temp['path'] .= $v.'/';
 58  
 59                 if(is_dir($temp['path']))
 60                 {
 61                     $temp['dir'][] = $v;
 62                     unset($segments[$k]);
 63                 }
 64             }
 65  
 66             $this->set_directory(implode('/', $temp['dir']));
 67             $segments = array_values($segments);
 68             unset($temp);
 69  
 70             if (count($segments) > 0)
 71             {
 72                 // Does the requested controller exist in the sub-folder?
 73                 if ( ! file_exists(APPPATH.'controllers/'.$this->fetch_directory().$segments[0].'.php'))
 74                 {
 75                     if ( ! empty($this->routes['404_override']))
 76                     {
 77                         $x = explode('/', $this->routes['404_override']);
 78  
 79                         $this->set_directory('');
 80                         $this->set_class($x[0]);
 81                         $this->set_method(isset($x[1]) ? $x[1] : 'index');
 82  
 83                         return $x;
 84                     }
 85                     else
 86                     {
 87                         show_404($this->fetch_directory().$segments[0]);
 88                     }
 89                 }
 90             }
 91             else
 92             {
 93                 // Is the method being specified in the route?
 94                 if (strpos($this->default_controller, '/') !== FALSE)
 95                 {
 96                     $x = explode('/', $this->default_controller);
 97  
 98                     $this->set_class($x[0]);
 99                     $this->set_method($x[1]);
100                 }
101                 else
102                 {
103                     $this->set_class($this->default_controller);
104                     $this->set_method('index');
105                 }
106  
107                 // Does the default controller exist in the sub-folder?
108                 if ( ! file_exists(APPPATH.'controllers/'.$this->fetch_directory().$this->default_controller.'.php'))
109                 {
110                     $this->directory = '';
111                     return array();
112                 }
113  
114             }
115  
116             return $segments;
117         }
118  
119  
120         // If we've gotten this far it means that the URI does not correlate to a valid
121         // controller class.  We will now see if there is an override
122         if ( ! empty($this->routes['404_override']))
123         {
124             $x = explode('/', $this->routes['404_override']);
125  
126             $this->set_class($x[0]);
127             $this->set_method(isset($x[1]) ? $x[1] : 'index');
128  
129             return $x;
130         }
131  
132  
133         // Nothing else to do at this point but show a 404
134         show_404($segments[0]);
135     }
136 }
137 // END MY_Router Class

 

posted @ 2016-04-15 14:02  YGCool  阅读(203)  评论(0)  编辑  收藏  举报