随意写的,主要用作代码练习,防止代码生疏,敬请见谅!
本意是能够写成一个多用途的代理模式,结果还是写废了,其他方面来说,没有时间重整它,有的写法是没有太大意义的。期望有点价值吧
首先放一个代理模式的讲解,个人觉得写得不错,如果你是寻求代理模式的用法用途的话,值得一看:
//ProxyPattern.h
#pragma once
#include <iostream>
#include <typeinfo>
#include <string>
template<typename ReturnValue,typename T,typename T2>
class IMutiUser
{
public:
virtual ReturnValue (T)(...)= 0;
virtual ReturnValue GetReturnType()const = 0;
};
template<typename ReturnValue, typename T,typename T2>
class IMutiProxy :public IMutiUser<ReturnValue,T,T2>
{
protected:
T2* mMImpl;
public:
virtual ReturnValue (T)(...) override;
virtual ReturnValue GetReturnType()const override;
};
template<typename ReturnValue, typename T,typename T2>
ReturnValue IMutiProxy<ReturnValue,T,T2>::T(...)
{
mMImpl = new T2();
if (mMImpl != nullptr)
{
std::cout << "Show Something of IMutiProxy!" << std::endl;
mMImpl->T();
}
ReturnValue temp= NULL;
return temp;
}
template<typename ReturnValue, typename T,typename T2>
ReturnValue IMutiProxy<ReturnValue, T,T2>::GetReturnType()const
{
ReturnValue temp=NULL;
return temp;
}
template<typename ReturnValue, typename T,typename T2>
class IMutiImplement :public IMutiUser<ReturnValue,T,T2>
{
public:
virtual ReturnValue(T)(...) override;
virtual ReturnValue GetReturnType() const override;
};
template<typename ReturnValue, typename T,typename T2>
ReturnValue IMutiImplement<ReturnValue, T,T2>::T(...)
{
std::cout << "show something!" << std::endl;
std::cout << "You could dispose something for custom function ." << std::endl;
ReturnValue temp=NULL;
return temp;
}
template<typename ReturnValue, typename T,typename T2>
ReturnValue IMutiImplement<ReturnValue, T,T2>::GetReturnType() const
{
ReturnValue temp=NULL;
return temp;
}
//ProxyPattern.cpp
#include "ProxyPattern.h"
int show(int number)
{
std::cout << "Current Number is :" + number << std::endl;
return 1;
}
int main(...)
{
int(*func)(int b);
func = show;
IMutiUser<int, decltype(func),IMutiImplement<int,decltype(func),void>>* temp = new IMutiProxy<int, decltype(func),IMutiImplement<int, decltype(func),void>>();
temp->T();
temp->GetReturnType();
system("pause");
return 0;
}