实现分布的停车场车位管理，一共有3个入口进程，2个出口进程，8个空间车位（车位数可以修改，入口进程和出口进程数目可以仿照源代码添加）-Distribution of parking spaces management, a total of 3 2 of the entry process, the export process, eight space car parking spaces (number of parking spaces can modify the source code

关于进程的管理，包括源代码和图形界面，希望客观评价！-Management, including source code and graphical interface, objective evaluation on the process!