利用钩子，定时锁住键盘和鼠标。强制电脑使用者停止使用电脑，以达到保护眼睛的目的-The use of hooks, timing lock the keyboard and mouse. Forced computer users to stop using the computer in order to achieve the purpose of eye protection

做的比较简单,但可以方便扩充,计时用的是RAS API,我用的是最新的-Do is simple, but can be expanded, timing with RAS API, what I use is the latest