#include "IGroup.h"

#include "CodeGroup.h"

#include "PageGroup.h"

#include "RequirementGroup.h"

#include "Invoker.h"

#include "AddRequirementCommand.h"

#include "DeletePageCommand.h"

#include <iostream>

using namespace std;

void DoIt()

{

cout << "----------客户想增加一个需求----------" << endl;

IGroup *rg = new CRequirementGroup();

rg->Find();

rg->Add();

rg->Plan();

delete rg;

cout << endl;

cout << "----------客户又想修改一个页面----------" << endl;

IGroup *pg = new CPageGroup();

pg->Find();

pg->Add();

pg->Plan();

delete pg;

cout << endl;

cout << "----------客户又想删除一个功能----------" << endl;

IGroup *cg = new CCodeGroup();

cg->Find();

cg->Add();

cg->Plan();

delete cg;

cout << endl;

return;

}

void DoNew()

{

cout << "\n----------客户觉得烦了，希望只找一个人，并告诉他要做什么----------\n" << endl;

cout << "----------客户要求增加一项需求----------" << endl;

CInvoker gary;

ICommand *pcommand = new CAddRequirementCommand();

gary.SetCommand(pcommand);

gary.Action();

delete pcommand;

cout << endl;

//客户想要改动只需要找CInvoker就可以了。

cout << "----------客户要求删除一个页面----------" << endl;

CInvoker ricky;

ICommand *pcommand2 = new CDeletePageCommand();

ricky.SetCommand(pcommand2);

ricky.Action();

delete pcommand2;

cout << endl;

return;

}

int main(int argc, char* argv[])

{

//客户原来的运行流程

DoIt();

//客户觉得麻烦了，每次改动都要找不同的组，谈不同的事

//客户只想找一个人，告诉他要做什么就可以，不想关心由哪几个组来做和怎么做

DoNew();

return 0;

}