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#include <iostream> #include <conio.h> #include <Windows.h> #define KEY_ESC 27 using std::cout; using std::endl; class CAccount { public: struct StateMap { int input; void (CAccount::*f)(); }; static StateMap map[]; enum { STATE_IDLE, STATE_INPUT, STATE_WAIT_ACK, STATE_MAX }; public: int m_iState; CAccount(); void OnIdle(); void OnInput(); void OnWaitAck(); }; CAccount::CAccount() { m_iState = STATE_IDLE; } void CAccount::OnIdle() { cout<< "OnIdle()"<<endl; } void CAccount::OnInput() { cout<<"OnInput()"<<endl; } void CAccount::OnWaitAck() { cout<<"OnWaitAck"<<endl; } /*static*/ CAccount::StateMap CAccount::map[]={ '1',&CAccount::OnIdle, '2',&CAccount::OnInput, '3',&CAccount::OnWaitAck, 0,NULL //sentinel }; void main() { int ch=0; int i; CAccount account; while(ch!=KEY_ESC) { ch =getch(); i=0; while(CAccount::map[i].input!=0) { if(ch == CAccount::map[i].input) { (account.*(CAccount::map[i].f))(); } ++i; } } } |