java screenpen,包括一些最基本的功能,有实际作用,也可作为初学的参考资料.-java Internet management system, including some basic functions, there is a practical role, but also can be used as reference for beginners.

这是自己无聊的时候做的一款屏幕笔。功能还不是很完善。看看还是有价值的-screen pen