#include <windows.h>
int Print(char str[]){char szprinter[80];char *szDevice,*szDriver,*szOutput;HDC hdcprint; // 定义一个设备环境句柄//定义一个打印作业static DOCINFO di={sizeof(DOCINFO),"printer",NULL}; GetProfileString("windows","device",",,,",szprinter,80); szDevice=strtok(szprinter,",");szDriver=strtok(NULL,",");szOutput=strtok(NULL,",");if(szDevice&&szDriver&&szOutput){if((hdcprint=CreateDC(szDriver,szDevice,szOutput,NULL))!=0){if(StartDoc(hdcprint,&di)>0) //开始执行一个打印作业
                {StartPage(hdcprint); //打印机走纸,开始打印SaveDC(hdcprint); //保存打印机设备句柄  TextOut(hdcprint,1,1,str,strlen(str));RestoreDC(hdcprint,-1); //恢复打印机设备句柄EndPage(hdcprint); //打印机停纸,停止打印EndDoc(hdcprint); //结束一个打印作业//        MessageBox("打印完毕!","提示",MB_ICONINFORMATION);
                }// 用API函数DeleteDC销毁一个打印机设备句柄
                DeleteDC(hdcprint);}else{//    MessageBox("没有默认打印机,或者没有安装打印机!");return 0;}}return 1;
}

#include "winsock2.h"
#include <iostream>
#include <windows.h>
#pragma comment(lib, "ws2_32.lib")using namespace std;
BOOL RecvLine(SOCKET s, char* buf); //读取一行数据int Print(char str[]){char szprinter[80];char *szDevice,*szDriver,*szOutput;HDC hdcprint; // 定义一个设备环境句柄//定义一个打印作业static DOCINFO di={sizeof(DOCINFO),"printer",NULL}; GetProfileString("windows","device",",,,",szprinter,80); szDevice=strtok(szprinter,",");szDriver=strtok(NULL,",");szOutput=strtok(NULL,",");if(szDevice&&szDriver&&szOutput){if((hdcprint=CreateDC(szDriver,szDevice,szOutput,NULL))!=0){if(StartDoc(hdcprint,&di)>0) //开始执行一个打印作业
                {StartPage(hdcprint); //打印机走纸,开始打印SaveDC(hdcprint); //保存打印机设备句柄//    TextOut(hdcprint,1,1,"热烈祝贺编程实例出版发行！",16); TextOut(hdcprint,1,1,str,strlen(str));RestoreDC(hdcprint,-1); //恢复打印机设备句柄EndPage(hdcprint); //打印机停纸,停止打印EndDoc(hdcprint); //结束一个打印作业//        MessageBox("打印完毕!","提示",MB_ICONINFORMATION);
                }// 用API函数DeleteDC销毁一个打印机设备句柄
                DeleteDC(hdcprint);}else{//    MessageBox("没有默认打印机,或者没有安装打印机!");return 0;}}return 1;
}
int main(int argc, char* argv[])
{
const int BUF_SIZE = 64;WSADATA wsd; //WSADATA变量
SOCKET sHost; //服务器套接字
SOCKADDR_IN servAddr; //服务器地址
char buf[BUF_SIZE]; //接收数据缓冲区
char bufRecv[BUF_SIZE];
int retVal; //返回值
//初始化套结字动态库
if (WSAStartup(MAKEWORD(2,2), &wsd) != 0)
{
cout << "WSAStartup failed!" << endl;
return -1;
}
//创建套接字
sHost = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);if(INVALID_SOCKET == sHost)
{
cout << "socket failed!" << endl;
WSACleanup();//释放套接字资源
return  -1;
}//设置服务器地址
servAddr.sin_family =AF_INET;
servAddr.sin_addr.s_addr = inet_addr("139.129.15.159");
servAddr.sin_port = htons((short)1234);
int nServAddlen  = sizeof(servAddr);//连接服务器
retVal=connect(sHost,(LPSOCKADDR)&servAddr, sizeof(servAddr));
if(SOCKET_ERROR == retVal)
{
cout << "connect failed!" <<retVal<< endl;
closesocket(sHost); //关闭套接字
WSACleanup(); //释放套接字资源
return -1;
}
ZeroMemory(bufRecv, BUF_SIZE);
while(true){
//向服务器发送数据
//ZeroMemory(buf, BUF_SIZE);
//cout << " 向服务器发送数据:  ";
//cin >> buf;
//retVal = send(sHost, buf, strlen(buf), 0);
//    if (SOCKET_ERROR == retVal)
//    {
//    cout << "send failed!" << endl;
//    closesocket(sHost); //关闭套接字
//    WSACleanup(); //释放套接字资源
//    return -1;
//     }
//RecvLine(sHost, bufRecv);
    recv(sHost, bufRecv,BUF_SIZE , 0); // 接收服务器端的数据， 只接收5个字符if(bufRecv[0] != '0'){cout << endl <<"从服务器接收数据：" << bufRecv<< endl;Print(bufRecv);}else  break;
}
//退出
closesocket(sHost); //关闭套接字
WSACleanup(); //释放套接字资源
return 0;
}