lib/features.js
function getCookie(cookies,name){
	var match = String(cookies).match(new RegExp(name + '=([^;]+)'));
	if (match){
	   return match[1]; 
	}         
	return false;
}
function getCookie(cookies,name){
	var match = String(cookies).match(new RegExp(name + '=([^;]+)'));
	if (match){
	   return match[1]; 
	}         
	return false;
}
获取某个cookie