thinkPHP5 ACL用户权限模块用法详解

`id` int(11) unsigned NOT NULL AUTO_INCREMENT,
`name` varchar(20) NOT NULL COMMENT '角色名称',
`pid` smallint(6) DEFAULT NULL COMMENT '父角色ID',
`rule_name` text COMMENT '规则唯一英文标识,全小写',
`type` varchar(50) DEFAULT '' COMMENT '权限规则分类，请加应用前缀,如admin_',
`status` tinyint(1) unsigned DEFAULT NULL COMMENT '状态',
`remark` varchar(255) DEFAULT NULL COMMENT '备注',
`create_time` int(11) unsigned NOT NULL DEFAULT '0' COMMENT '创建时间',
`update_time` int(11) unsigned NOT NULL DEFAULT '0' COMMENT '更新时间',
`listorder` int(3) NOT NULL DEFAULT '0' COMMENT '排序字段',

`id` mediumint(8) unsigned NOT NULL AUTO_INCREMENT COMMENT '规则id,自增主键',
`module` varchar(20) NOT NULL COMMENT '规则所属module',
`type` varchar(30) NOT NULL DEFAULT '1' COMMENT '权限规则分类，请加应用前缀,如admin_',
`name` varchar(255) NOT NULL DEFAULT '' COMMENT '规则唯一英文标识,全小写',
`param` varchar(255) DEFAULT NULL COMMENT '额外url参数',
`title` varchar(20) NOT NULL DEFAULT '' COMMENT '规则中文描述',
`status` tinyint(1) NOT NULL DEFAULT '1' COMMENT '是否有效(0:无效,1:有效)',
`condition` varchar(300) NOT NULL DEFAULT '' COMMENT '规则附加条件',

`pools` varchar(20) DEFAULT '' COMMENT '权限池',
`roleId` smallint(5) NOT NULL DEFAULT '0' COMMENT '权限id',

class iAuth{
  public $user = null;
  //默认配置
  protected $_config = array(
  );
  public function __construct() {
  }
  /
    检查权限
    @param name string|array 需要验证的规则列表,支持逗号分隔的权限规则或索引数组
    @param uid int      认证用户的id
    @param relation string  如果为 'or' 表示满足任一条规则即通过验证;如果为 'and'则表示需满足所有规则才能通过验证
    @return boolean      通过验证返回true;失败返回false
   /
  public function check($uid,$name,$relation='or') {
    if(empty($uid)){
      return false;
    }
    if($uid==1){
      return true;
    }
    if (is_string($name)) {
      $name = strtolower($name);
      if (strpos($name, ',') !== false) {
        $name = explode(',', $name);
      } else {
        $name = array($name);
      }
    }
    $list = array(); //保存验证通过的规则名
    //获取用户信息
    $this->getUserInfo($uid);//获取用户信息,一维数组
    $groups= $this->user['roleId'];
    if(in_array(1, $groups)){
      return true;
    }
    if(empty($groups)){
      return false;
    }
    $rules = self::get_rules($this->user['roleId']);
    if(in_array($name,$rules))
    {
      return true;
    }
    return false;
  }
  /
    获得用户资料
   /
  private function getUserInfo(&$uid) {
    if(!isset($this->user)){
      $user = new Users($uid);
      $this->user = $user->fields;
    }
    return $this->user;
  }
  /
    获取验证规则
    @param int $id
   /
  public static function get_rules($id)
  {
    if(empty($id)) return false;
    $rules = Cache::get(self::$cache_prefix . $id);
    if(empty($rules))
    {
      $model = Db::name('role');
      $model->where('id',$id);
      $rules = $model->find();
      $rules['rule_name'] = explode(',',strtolower($rules['rule_name']));
      //设置缓存
      Cache::set(self::$cache_prefix,$rules);
    }
    return $rules;
  }
}

/
  检测用户id
  @param name string|array 需要验证的规则列表,支持逗号分隔的权限规则或索引数组
  @param uid int      认证用户的id
 /
function sp_auth_check($uid, $name=null)
{
  if(empty($uid)) return false;
  if(empty($name)){
    $name=strtolower(MODULE_NAME."/".CONTROLLER_NAME."/".ACTION_NAME);
  }
  $iAuth_obj = new \app\Common\Lib\iAuth();
  return $iAuth_obj->check($uid);
}

class AdminbaseController extends Controller
{
  public $uid = 0;
  //用户实例
  public $userObj = null;
  /
    构造函数
    Adminbase constructor.
   /
  public function __construct()
  {
    parent::__construct();
  }
  public function _initialize()
  {
    $this->uid = Session::read('AdminId');
    if(!empty($this->uid ))
    {
      //检测过已经登录了
      $this->userObj = Db::name('users')->where('uid',$this->uid)->find();
      if(!$this->check_aess($this->uid))
      {
        $this->error("您没有访问权限！",Url::build('admin/index/login'));
        exit();
      }
      $this->assign('admin',$this->userObj);
    }
    else
    {
      //没有登录的
      $this->error("您还没有登录！",Url::build('admin/index/login'));
      exit();
    }
  }
  /
    检测权限
    @param $uid
   /
  private function check_aess(&$uid)
  {
    if($uid == 1)
    {
      //超级管理员
      return true;
    }
    $request = Request::instance();
    //如果不是这个应用池的账户也不通过
    $pools = explode(',',$this->userObj['pools']);
    if(!in_array(strtolower($request->module()), $pools))  return false;
    $rule = $request->module() . '_' . $request->controller() . '_' . $request->action() ;
    $no_need_check_rules = Config::get('inc_auth.no_need_check_rules');
    if(!in_array(strtolower($rule),$no_need_check_rules))
    {
      //验证权限
      return sp_auth_check($uid);
    }
    else
    {
      return true;
    }
  }
}

$config['no_need_check_rules'] = array('admin_index_index','admin_index_login');