#define _WINSOCK_DEPRECATED_NO_WARNINGS//在stdafx.h中添加 #pragma comment(lib, "ws2_32.lib") void ReadPage(PVOID url) { char * host = (char*)url; WSADATA data; //winsock版本2.2 int err = WSAStartup(MAKEWORD(2, 2), &data); if (err) return; //用域名獲取對方主機名 struct hostent *h = gethostbyname(host); if (h == NULL) return; //IPV4 if (h->h_addrtype != AF_INET) return; struct in_addr ina; //解析IP memmove(&ina, h->h_addr, 4); LPSTR ipstr = inet_ntoa(ina); //Socket封裝 struct sockaddr_in si; si.sin_family = AF_INET; si.sin_port = htons(80); si.sin_addr.S_un.S_addr = inet_addr(ipstr); int sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); connect(sock, (SOCKADDR*)&si, sizeof(si)); if (sock == -1 || sock == -2) return; //發送請求 char request[1024] = "GET /?st=1 HTTP/1.1\r\nHost:"; strcat(request, host); strcat(request, "\r\nConnection:Close\r\n\r\n"); int ret = send(sock, request, strlen(request), 0); //獲取網頁內容 FILE *f = fopen("recieved.txt", "w"); int isstart = 0; while (ret > 0) { const int bufsize = 1024; char* buf = (char*)calloc(bufsize, 1); ret = recv(sock, buf, bufsize - 1, 0); fprintf(f, "%s", buf); free(buf); } fclose(f); closesocket(sock); WSACleanup(); AfxMessageBox(_T("讀取網頁內容成功,已保存在recieved.txt中")); return; } void CMFCApplication1Dlg::OnBnClickedButton2() { //ReadPage("chinayu2019.cn3v.net"); _beginthread(ReadPage, 0, "chinayu2019.cn3v.net"); }
讀取網頁內容
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