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[原创]发个程序权当保存在论坛里
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发表于: 2010-10-23 23:17
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一直对网络编程不太熟悉，结果吃大亏了。第一次应聘被默拒了。
定下心来写了这个个程序。
一个猜数游戏，C/S模型。这是其中一个题，我当时没做出来，就因为不熟悉网络编程。
他当时不然参考资料，更别说MSDN了。
服务器：
#include <winsock2.h>
#pragma comment(lib,"ws2_32")
#include <stdio.h>
#include <stdlib.h>
#include <windows.h>
#include <time.h>
int main(int argec,char * argv[])
{
srand(time(NULL));
WSADATA wsaData;
WORD sockVersion = MAKEWORD(2,2);
//加载WinSock库
if(WSAStartup(sockVersion,&wsaData) != 0)
{
printf("加载WinSock库失败");
return 0;
}
//创建套接字
SOCKET sListen = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);
if(sListen == INVALID_SOCKET)
{
printf("socket error");
return 0;
}
//在sockaddr_in结构中装入地址信息
sockaddr_in sin;
sin.sin_family = AF_INET;
sin.sin_port = htons(4500);
sin.sin_addr.S_un.S_addr = INADDR_ANY;
//使用套接字和本地地址绑定
if(bind(sListen,(LPSOCKADDR)&sin,sizeof(sin)) == SOCKET_ERROR)
{
printf("bind error");
closesocket(sListen);
return 0;
}
//设置套接字进入监听模式
if(listen(sListen,1) == SOCKET_ERROR)
{
printf("listen error\n");
closesocket(sListen);
return 0;
}
//接受客户请求///暂定一个客户
sockaddr_in remoteAddr;
SOCKET sClient;
int nAddrLen = sizeof(remoteAddr);
//接受一个连接
sClient = accept(sListen,(SOCKADDR*)&remoteAddr,&nAddrLen);
if(sClient == INVALID_SOCKET)
{
printf("accept error\n");
return 0;
}
BYTE key = rand()%26 + 'a';
BYTE ans;
BYTE flag = 1;//状态:0 成功;1 就位;2附件;3太远
int ret;
WORD rev;//两个字节
WORD sen;
char test[6] = {0};
char revData[6];
printf("*********游戏开始***********\n");
while(flag)////成功否
{
//发送问题
memset(test,0,6);
sen = MAKEWORD(key,flag);
wsprintf(test,"%d",sen);
ret = send(sClient,test,6,0); //发问题或者反馈回答情况
Sleep(400);
memset(revData,0,6);
ret = recv(sClient,revData,6,0);
rev = atoi(revData);
flag = HIBYTE(rev);
ans = LOBYTE(rev);
if(flag == 1)
{
if(ans == key)
{
flag = 0;
sen = MAKEWORD(key,flag);
memset(test,0,6);
wsprintf(test,"%d",sen);
ret = send(sClient,test,6,0);
printf("!!!!!!!!果然很强大!!!!!!!!\n\n");
}
else if(ans < key + 3 || ans > key - 3)
{
flag = 2;
printf("!!!!!!!貌似很强大!!!!!!\n\n");
}
else
{
flag = 3;
printf("革命尚未成功，同志仍需努力!\n");
}
}
}
printf("就此为止!\n");
getchar();
closesocket(sClient);
WSACleanup();
return 0;
}
客户端：
#include<winsock2.h>
#pragma comment(lib,"ws2_32")
#include <stdio.h>
#include <stdlib.h>
#include <windows.h>
#include <time.h>
int main()
{
srand(time(NULL));
WSADATA wsaData;
WORD sockVersion = MAKEWORD(2,2);
//加载Winsock库
if(WSAStartup(sockVersion,&wsaData) != 0)
{
printf("加载WinSock库失败!\n");
return 0;
}
//创建套接字
SOCKET sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);
if(sClient == INVALID_SOCKET)
{
printf("socket error\n");
return 0;
}
//在sockaddr_in 结构中装入服务器地址信息
sockaddr_in servAddr;
servAddr.sin_family = AF_INET;
servAddr.sin_port = htons(4500);
servAddr.sin_addr.S_un.S_addr = inet_addr("127.0.0.1");
if(connect(sClient,(sockaddr*)&servAddr,sizeof(servAddr)) == SOCKET_ERROR)
{
printf("connect error\n");
closesocket(sClient);
return 0;
}
WORD rev;
char *buff = "hello server!\n";
char revData[6];
char test[6];
BYTE flag = 1;
BYTE key;
WORD sen;
printf("^^^^^^^^^^^^^^^^游戏开始^^^^^^^^^^^^^^^^^^^\n\n");
while(flag)
{
memset(revData,0,6);
int ret = recv(sClient,revData,6,0);
rev = atoi(revData);
flag = HIBYTE(rev);
key = LOBYTE(rev);
if(flag == 0)
{
printf("\n恭喜你，回答正确
):)!\n");
}
else if(flag == 1)
{
//key已就位，开始猜测
printf("开始了！:)\n");
key = rand()%26 + 'a';
}
else if(flag == 2)
{
printf("\n嗯，差一点就对了:)!\n");
key = key + (rand() > 0?-1:1) * (rand()%3);
}
else if(flag == 3)
{
printf("\n嗯，继续努力!:(\n");
key = rand()%26 + 'a';
}
else
{
printf("\n出现异常\n");
}
sen = MAKEWORD(key,1);
memset(test,0,6);
wsprintf(test,"%d",sen);
ret = send(sClient,test,6,0);
Sleep(400);
}
printf("\n........游戏结束!......\n");
getchar();
closesocket(sClient);
WSACleanup();
return 0;
}
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