Name		Name	Last commit message	Last commit date
parent directory ..
CMakeLists.txt		CMakeLists.txt
DayState.cpp		DayState.cpp
DayState.h		DayState.h
IContext.h		IContext.h
IState.h		IState.h
NightState.cpp		NightState.cpp
NightState.h		NightState.h
README.md		README.md
SafeFrame.cpp		SafeFrame.cpp
SafeFrame.h		SafeFrame.h
main.cpp		main.cpp

README.md

状态模式

用类表示状态，通过切换类改变对象状态