Ȩļʽ
$role = array(
	/*
	 999Ȩֵǹ˾ŻжӦȨֵ;
	 'r'Ϊ鿴Ȩ;
	 'c'ΪȨ;
	 'u'Ϊ޸Ȩ;
	 'd'ΪɾȨ;
	 'p'ΪȨ;
	*/
	999=>array('r','c','u','d','p'),
	'user'=>array(
		/*
		 2ûID;
		*/
		2=>array('r','c','u','d','p'),
	),
);

עӦȨļʱĬȫͨ
      ûжӦȨֵûIDʱĬȫͨ