這是我在網路上找的一段程式碼,放在vs2017裡面沒問題。大多數是頭檔在qt裡面不能用,有的關鍵字在qt裡面也不能用,會報錯和警告,qt不是可以在window下面編程的嘛,遇到這種問題該怎麼解決
#include <iostream>
#include "winsock2.h"
#pragma comment(lib,"ws2_32.lib")
using namespace std;
int main(int argc, char *argv[])
{
const int BUF_SIZE = 64;
WSADATA wsd;//WSADATA变量
SOCKET sServer;//服务端套接字
SOCKET sClient;//客户端套接字
SOCKADDR_IN addrServ;//服务器地址
char buf[BUF_SIZE];//接受数据缓冲区
char sendBuf[BUF_SIZE];//返回给客户端的数据
int retVal;//返回值
//初始化套接字动态库
if(WSAStartup(MAKEWORD(2,2),&wsd) != 0)
{
cout << "WSAStartup failed!" << endl;
return 1;
}
//创建套接字
sServer = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);
if(INVALID_SOCKET == sServer)
{
cout << "socket failed!" << endl;
WSACleanup();//释放套接字资源
return -1;
}
//服务器套接字地址
addrServ.sin_family = AF_INET;
addrServ.sin_port = htons(6666);
addrServ.sin_addr.s_addr = INADDR_ANY;
//绑定套接字
retVal = bind(sServer,(LPSOCKADDR)&addrServ,sizeof(SOCKADDR_IN));
if(SOCKET_ERROR == retVal)
{
cout << "bind failed!" << endl;
closesocket(sServer);//关闭套接字
WSACleanup();//释放套接字资源
return -1;
}
//开始监听
retVal = listen(sServer,1);
if(SOCKET_ERROR == retVal)
{
cout << "listen failed!" << endl;
closesocket(sServer);//关闭套接字
WSACleanup();//释放套接字资源
return -1;
}
//接受客户端请求
sockaddr_in addrClient;
int addrClientlen = sizeof(addrClient);
sClient = accept(sServer,(sockaddr FAR*)&addrClient,&addrClientlen);
if(INVALID_SOCKET == sClient)
{
cout << "accept failed!" << endl;
closesocket(sServer);//关闭套接字
WSACleanup();//释放套接字资源
return -1;
}
while(true)
{
//接受客户端数据
ZeroMemory(buf,BUF_SIZE);
retVal = recv(sClient,buf,BUF_SIZE,0);
if(SOCKET_ERROR == retVal)
{
cout << "recv failed!" << endl;
closesocket(sServer);//关闭套接字
WSACleanup();//释放套接字资源
return -1;
}
if(buf[0] == '0')
{
break;
}
cout << "客户端发送的数据:" << buf << endl;
cout << "向客户端发送数据:";
cin >> sendBuf;
send(sClient,sendBuf,strlen(sendBuf),0);
}
//退出
closesocket(sServer);//关闭套接字
closesocket(sClient);//关闭套接字
WSACleanup();//释放套接字资源
return 0;
}
錯誤提示:
C:UsersAdministrationDocumentsQtservermain.cpp:4: warning: ignoring #pragma comment [-Wunknown-pragmas]
#pragma comment(lib,"ws2_32.lib")##rationC:UsersAdministrationDocuments .cpp:18: error: undefined reference to `_imp__WSAStartup@8'
C:UsersAdministrationDocumentsQtservermain.cpp:24: error: undefined reference to `_imp__socket@12'fidad:12'>Admin.S.A.D.Dem.DatLidem:Doud:Uid-wem. reference to `_imp__WSACleanup@0'
C:UsersAdministrationDocumentsQtservermain.cpp:33: error: undefined reference to `_imp__htons@4'
C:UsersAdministrationDocumentsQtservermain.cerrpp:36:
C:UsersAdministrationDocumentsQtservermain.cerrpp:36: d##d. ##C:UsersAdministrationDocumentsQtservermain.cpp:40: error: undefined reference to `_imp__closesocket@4'
C:UsersAdministrationDocumentsQtservermain.cpp:41: error: undefined reference 至 00118L -41: 45: error: undefined reference to `_imp__listen@8'
C:UsersAdministrationDocumentsQtservermain.cpp:49: error: undefined reference to `_imp__closesocket@4'
C:UsersAdministration defunments. _imp__WSACleanup@0'
C:UsersAdministrationDocumentsQtservermain.cpp:56: error: undefined reference to `_imp__accept@12'
C:UsersAdministrationDocumentsQtservermain.cpp:6012'
C:UsersAdministrationDocumentsQtservermain.cpp:602'
C:UsersAdministrationDocumentsQtservermain.cpp:602'#det: 6006 月。 :UsersAdministrationDocumentsQtservermain.cpp:61: error: undefined reference to `_imp__WSACleanup@0'
C:UsersAdministrationDocumentsQtservermain.cpp:68: error: undefined reference to `_imp__recv@16'
C:UsersAdministrationDocumentsQtservermain.cpp:72: error : undefined reference to `_imp__closesocket@4'
C:UsersAdministrationDocumentsQtservermain.cpp:73: error: undefined reference to `_imp__WSACleanup@0'
C:UsersAdministrationDocumentst.13. '
C:UsersAdministrationDocumentsQtservermain.cpp:86: error: undefined reference to `_imp__closesocket@4'
C:UsersAdministrationDocumentsQtservermain.cpp:87: error: undefined reference cpp:88: error: undefined reference to `_imp__WSACleanup@0'
collect2.exe:-1: error: error: ld returned 1 exit status
有頭檔的錯誤,也有關鍵字的錯誤
大家讲道理2017-05-31 10:42:01
winsock?
不是給了警告麼?warning: ignoring #pragma comment [-Wunknown-pragmas]
鏈接問題.
你的qt的編譯器配置的什麼? mscv?
你的qt的編譯器配置的什麼? mscv?
如果選的是msvc 可以試試在.pro
PS: qt有網路庫的,可以透過win32:LIBS += xxx.lib
win32:QMAKE_POST_LINK += xxx.dll