一个简单的GPS信息解析的demo，从GPGGA信息中取除了时间、经纬度、和卫星数目,其他信息可以通过程序出相同的方法得到.-A simple GPS information parsing demo, taken from the GPGGA message in addition to time, latitude, longitude, and the number of satellites, and other information can be obtained by the same procedure out.