随着校园人员和车辆的增多，校园交通安全问题越来越重要，需要对校园的一些路段设置或重新规划交通标志。设计一个程序用来辅助相关部门在校园道路中的设置交通标志，程序可以实现在校园交通道路图上，根据需要在道路图中的某些位置上设置相应的交通标志，并能动态修改交通标志的属性-With the campus staff and vehicles increased, more and more important issue of campus safety, the need for some sections of the campus settings or re-planning of traffic signs. Design a program for assisted relevant departments in the campus of the road traffic signs, the procedure can be achieved in the campus road map, according to the needs of the road map in certain locations to set up appropriate traffic signs and traffic signs dynamic modification attribute