文档+代码+测试日志，详细说明读取身份证UID的方法和实现，熟悉NFC协议的大牛可以参考，小白就不要凑热闹了，浪费积分。-Document+ code+ test log, a detailed descr iption of the ID card UID method and implementation, familiar with the NFC agreement can refer to the big cattle, white do not join in the fun, an