第6週目プロジェクト3-IPアドレスクラス
2059 ワード
/*
*Copyright(c) 2016,
*All rights reserved.
* :my.cpp
* :
* :2016 4 13
* :v1.0
*
* : IP 4 , , 0-255, “.” , 202.194.116.97。 , 4 。
IP , IP , IP 。 :
* :
* :
*/
#include <iostream>
using namespace std;
class IP
{
private:
union// ,IP 4
{
struct // 4
{
unsigned char seg0;
unsigned char seg1;
unsigned char seg2;
unsigned char seg3;
};
};//4 IP 4 ,
unsigned int address;//4 IP 4
public:
IP(int s0 =0,int s1 =0,int s2=0,int s3= 0 ):seg0(s0),seg1(s1),seg2(s2),seg3(s3){};//
void showIP();// Ip
bool sameSubnet(const IP &ip,const IP &mark);//
char whatKind();//
};
void IP::showIP()
{
cout<<int (seg0)<<'.'<<int (seg1)<<'.'<<int (seg2)<<'.'<<int (seg3)<<endl;
}
bool IP::sameSubnet(const IP &ip,const IP &mark)
{
if(ip.address==mark.address)
return true;
else
return false;
}
char IP:: whatKind()
{
if(seg3<128)
return 'A';
else if(seg3<192)
return 'B';
else if(seg3<224)
return 'C';
else if(seg3<240)
return 'D';
else
return 'E';
}
//
int main()
{
IP ip1(202,194,116,97),ip2(202,194,119,102),mark(255,255,248,0);
cout<<"ip1:";
ip1.showIP();
cout<<"ip2:";
ip2.showIP();
if(ip1.sameSubnet(ip2,mark))
cout<<" IP "<<endl;
else
cout<<" IP "<<endl;
cout<<"ip1 "<<ip1.whatKind()<<" "<<endl;
}
<img src="http://img.blog.csdn.net/20160413201812133" alt="" />