蓝牙知识网页 http://www.race604.com/gatt-profile-intro/ https://learn.adafruit.com/introduction-to-bluetooth-low-energy?view=all# https://www.bluetooth.com/develop-with-bluetooth https://www.bluetooth.com/specifications/adopted-specifications?_ga=1.183356518.1180328376.1445619842 http://bluetooth-pentest.narod.ru/doc/assigned_numbers_-_service_discovery.html