如何在windows中使用C语言提交表单

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <winsock2.h>

#define MAX_BUFFER_SIZE 1024

int main() {
    WSADATA wsaData;
    SOCKET clientSocket;
    struct sockaddr_in serverAddr;
    char request[MAX_BUFFER_SIZE];
    char response[MAX_BUFFER_SIZE];

    // 初始化Winsock库
    if (WSAStartup(MAKEWORD(2, 2), &wsaData) != 0) {
        printf("Failed to initialize Winsock.\n");
        return 1;
    }

    // 创建客户端套接字
    if ((clientSocket = socket(AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET) {
        printf("Failed to create socket.\n");
        WSACleanup();
        return 1;
    }

    // 设置服务器地址和端口
    serverAddr.sin_family = AF_INET;
    serverAddr.sin_port = htons(80);
    serverAddr.sin_addr.s_addr = inet_addr("服务器IP地址");

    // 连接服务器
    if (connect(clientSocket, (struct sockaddr*)&serverAddr, sizeof(serverAddr)) < 0) {
        printf("Failed to connect to server.\n");
        closesocket(clientSocket);
        WSACleanup();
        return 1;
    }

    // 构造HTTP请求
    sprintf(request, "POST /submit-form HTTP/1.1\r\n"
                     "Host: 服务器域名\r\n"
                     "Content-Type: application/x-www-form-urlencoded\r\n"
                     "Content-Length: 数据长度\r\n"
                     "\r\n"
                     "表单数据");

    // 发送HTTP请求
    if (send(clientSocket, request, strlen(request), 0) < 0) {
        printf("Failed to send request.\n");
        closesocket(clientSocket);
        WSACleanup();
        return 1;
    }

    // 接收服务器响应
    memset(response, 0, sizeof(response));
    if (recv(clientSocket, response, sizeof(response), 0) < 0) {
        printf("Failed to receive response.\n");
        closesocket(clientSocket);
        WSACleanup();
        return 1;
    }

    // 处理服务器响应
    printf("Response from server:\n%s\n", response);

    // 关闭套接字和清理Winsock库
    closesocket(clientSocket);
    WSACleanup();

    return 0;
}