Qt编写的列车运行预警系统（包含.pro文件）。主要功能为收到定位信息并显示本车和前车的速度里程，对距离过近，紧急停车等情况做出报警。-Written in Qt train warning system (including the. Pro file). Main function is to receive location information and displays the speed of vehicles and mileage of the vehicle in front,

停车场管理系统，实现注册、登陆、停车、取车、查询车辆和车位状态、计费等功能，并显示停车和取车的时间-Parking management system, to achieve registration, landing, parking, take a car, query vehicles and parking state, billing and other functions, and display the parking and taking the vehicle time

关于一个停车系统的源码，仅供参考学习，api封装-about a packing system，welcome to download and lear

停车管理系统，有临时类和固定类。统计停车时间和金额(Parking management System)