Qt C++ chain of responsibility模式
来源:互联网 发布:为什么下载淘宝打不开 编辑:程序博客网 时间:2024/05/22 10:31
chain.h
#pragma once
#include <QDebug>
class CHandle
{
public:
CHandle():m_handle(0){}
CHandle(CHandle *hadle):m_handle(hadle){}
virtual ~CHandle()
{
if (m_handle)
{
delete m_handle;
}
}
virtual void handleRequest() = 0;
virtual void setHandle(CHandle* handle) = 0;
virtual CHandle* getHandle() const = 0;
protected:
CHandle *m_handle;
};
class CConcreateHandleA : public CHandle
{
public:
CConcreateHandleA():CHandle(0){}
CConcreateHandleA(CHandle *hadle):CHandle(hadle){}
virtual ~CConcreateHandleA(){}
void handleRequest();
void setHandle(CHandle* handle);
CHandle* getHandle() const;
};
class CConcreateHandleB : public CHandle
{
public:
CConcreateHandleB():CHandle(0){}
CConcreateHandleB(CHandle *hadle):CHandle(hadle){}
virtual ~CConcreateHandleB(){}
void handleRequest();
void setHandle(CHandle* handle);
CHandle* getHandle() const;
};
chain.cpp
#include "chain.h"
void CConcreateHandleA::handleRequest()
{
if (m_handle)
{
m_handle->handleRequest();
}
else
{
qDebug() << "A handle";
}
}
void CConcreateHandleA::setHandle(CHandle* handle)
{
m_handle = handle;
}
CHandle* CConcreateHandleA::getHandle() const
{
return m_handle;
}
void CConcreateHandleB::handleRequest()
{
if (m_handle)
{
m_handle->handleRequest();
}
else
{
qDebug() << "B handle";
}
}
void CConcreateHandleB::setHandle(CHandle* handle)
{
m_handle = handle;
}
CHandle* CConcreateHandleB::getHandle() const
{
return m_handle;
}
main.cpp
#include <QApplication>
#include "chain.h"
int main(int argc,char **argv)
{
QApplication app(argc,argv);
CHandle *hadleA = new CConcreateHandleA();
CHandle *hadleB = new CConcreateHandleB(hadleA);
hadleA->handleRequest();
hadleB->handleRequest();
return app.exec();
}
- Qt C++ chain of responsibility模式
- Chain of responsibility模式
- Chain of Responsibility模式
- Chain Of Responsibility模式
- Chain Of Responsibility模式
- Chain of Responsibility 模式
- Chain of Responsibility模式
- Chain of Responsibility 模式
- Chain of Responsibility模式
- Chain of Responsibility模式
- Chain of Responsibility模式
- Chain of Responsibility模式
- Chain of Responsibility模式
- 模式中的chain of responsibility
- Chain of Responsibility设计模式
- Chain of Responsibility设计模式
- Chain Of Responsibility-----设计模式
- 设计模式之 Chain of Responsibility 模式
- 解决vnc view看不到图形界面的问题
- UIActivityIndicatorView、UIProgressView 活动与进度指示器-IOS开发
- c++文本输入输出(2)
- js 进度条
- Java不定参数Object… obj说明
- Qt C++ chain of responsibility模式
- 生成黑白画笔,android使用系统浏览器打开网页,将Bitmap图片存储在本地JPG文件的方法
- va Web开发中路径问题小结 .
- android学习笔记之ProgressDialog的使用
- 虚函数和纯虚函数的作用与区别
- 第十一章 Hibernate的查询 Hibernate可以使用的查询语言
- HTML中id、name的区别
- Java或Web中解决所有路径问题
- Linux系统分区和挂载浅谈