根据自己的实际情况,需要两个文件,一个是权限控制类,Acl,另外一个是权限配置的文件acl.php放在了config这个目录下。
Acl这个类放在了application/hook/acl.php。通过application/config/config.php文件开启hook,并且配置config这个目录下的hook.php文件。
1、开启hook功能,config.php这个文件
/* |-------------------------------------------------------------------------- | 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‘] = TRUE;
2、配置hook.php这个文件
/* | ------------------------------------------------------------------------- | Hooks | ------------------------------------------------------------------------- | This file lets you define "hooks" to extend CI without hacking the core | files. Please see the user guide for info: | | http://codeigniter.com/user_guide/general/hooks.html | */ $hook[‘post_controller_constructor‘] = array( ‘class‘ => ‘Acl‘, ‘function‘ => ‘auth‘, ‘filename‘ => ‘acl.php‘, ‘filepath‘ => ‘hooks‘ );
具体的参数说明可以参看文档的链接地址,这里尤其要注意post_controller_constructor这个值,可以根据情况选择不同的。
3、编写权限配置文件acl.php放在config目录下。
$config[‘AUTH‘] = array( SUPER_ADMIN => array( ‘admin‘ => array(‘index‘, ‘logout‘), ), ADMIN => array( ‘admin‘ => array(‘index‘, ‘logout‘), ), GUEST => array( ‘admin‘ => array(‘index‘, ‘logout‘), ), );
这里只是我根据自己的情况定义的,不是真实数据,根据自己的情况定。还有主要变量名字要交$config,这样便于加载使用。
4、编写具体的权限控制Acl类
class Acl { private $url_model; private $url_method; private $CI; function Acl() { $this->CI =& get_instance(); $this->CI->load->library(‘session‘); $this->url_model = $this->CI->uri->segment(1); $this->url_method = $this->CI->uri->segment(2); } function auth() { $user = $this->CI->session->userdata(‘USER‘); if(empty($user)) $user->status = 0; $this->CI->load->config(‘acl‘); $AUTH = $this->CI->config->item(‘AUTH‘); if(in_array($user->status, array_keys($AUTH))){ $controllers = $AUTH[$user->status]; if(in_array($this->url_model, array_keys($controllers))){ if(!in_array($this->url_method, $controllers[$this->url_model])){ show_error(‘您无权访问该功能,该错误已经被记录!点击<a href="‘. site_url(‘admin/logout‘) .‘">返回</a>‘); } }else{ show_error(‘您无权访问该模块,该错误已经被记录!点击<a href="‘. site_url(‘admin/logout‘) .‘">返回</a>‘); } } else show_error(‘错误的用户类型,该错误已经被记录!点击<a href="‘. site_url(‘admin/logout‘) .‘">返回</a>‘); } }
整体上大体是这样的形式,最后还是要根据自己的实际情况来确定。
需要注意的是:
$this->CI =& get_instance();
原文地址:http://blog.csdn.net/treesky/article/details/6587465
时间: 2024-10-06 00:34:44