work.cpp

设计模式中的状态模式（state）的程序实现

#include "StdAfx.h"
#include "work.h"

work::work(void)
{
	Currentstate = NULL;
}

work::~work(void)
{
	if( Currentstate != NULL)
		delete Currentstate;
	Currentstate = NULL;
}

void work::Writeprogram()
{
	Currentstate->WriteProgram(this);
}