?? state.h
字號:
//state.h
#ifndef _STATE_H_
#define _STATE_H_
class Context; //前置聲明
class State
{
public:
State();
virtual ~State();
virtual void OperationInterface(Context* ) = 0;
virtual void OperationChangeState(Context*) = 0;
protected:
bool ChangeState(Context* con,State* st);
private:
//bool ChangeState(Context* con,State* st);
};
class ConcreteStateA:public State
{
public:
ConcreteStateA();
virtual ~ConcreteStateA();
virtual void OperationInterface(Context* );
virtual void OperationChangeState(Context*);
protected:
private:
};
class ConcreteStateB:public State
{
public:
ConcreteStateB();
virtual ~ConcreteStateB();
virtual void OperationInterface(Context* );
virtual void OperationChangeState(Context*);
protected:
private:
};
#endif
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -