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Windows下HTTP请求
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| #include <WinSock2.h> | |
| #include <stdio.h> | |
| #pragma comment(lib,"ws2_32.lib") | |
| int main() | |
| { | |
| //构造socket | |
| WSADATA data; | |
| SOCKET sock; | |
| if (WSAStartup(MAKEWORD(2, 2), &data) != 0) return -1; | |
| sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); | |
| if (sock == INVALID_SOCKET) | |
| { | |
| printf("invalid socket !"); | |
| return -1; | |
| } | |
| //连接服务器 | |
| SOCKADDR_IN addr; | |
| addr.sin_family = AF_INET; | |
| addr.sin_port = htons(80); | |
| addr.sin_addr.S_un.S_addr = inet_addr("127.0.0.1"); | |
| if (connect(sock, (SOCKADDR *)&addr, sizeof(addr)) == SOCKET_ERROR) | |
| { | |
| printf("connect error !"); | |
| closesocket(sock); | |
| return -1; | |
| } | |
| //发送HTTP请求 | |
| char buf[1024]; | |
| int count = sprintf(buf, "GET /main.c HTTP/1.1\r\nhost:%s\r\n\r\n", "127.0.0.1"); | |
| send(sock, buf, count, 0); | |
| //接收回复并打印 | |
| count = recv(sock, buf, 1024, 0); | |
| if (count > 0) | |
| { | |
| buf[count] = 0; | |
| printf(buf); | |
| } | |
| closesocket(sock); | |
| WSACleanup(); | |
| return 0; | |
| } |
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