有没有使用WinInet c ++库进行http上传的好例子

#include<windows.h>
#include <wininet.h>

#pragma comment(lib, "wininet.lib")

int main()
{
    HINTERNET hInternet = InternetOpen(NULL, INTERNET_OPEN_TYPE_DIRECT, NULL, NULL, 0);
    if (hInternet == NULL)
    {
        printf("InternetOpen failed.\n");
        return 0;
    }

    HINTERNET hConnect = InternetConnect(hInternet, "www.example.com", INTERNET_DEFAULT_HTTP_PORT, NULL, NULL, INTERNET_SERVICE_HTTP, 0, 0);
    if (hConnect == NULL)
    {
        printf("InternetConnect failed.\n");
        InternetCloseHandle(hInternet);
        return 0;
    }

    HINTERNET hRequest = HttpOpenRequest(hConnect, "POST", "/upload.php", NULL, NULL, NULL, INTERNET_FLAG_SECURE, 0);
    if (hRequest == NULL)
    {
        printf("HttpOpenRequest failed.\n");
        InternetCloseHandle(hConnect);
        InternetCloseHandle(hInternet);
        return 0;
    }

    const char* fileData = "This is the file data to upload.";
    DWORD fileDataLength = strlen(fileData);

    if (!HttpSendRequest(hRequest, NULL, 0, (LPVOID)fileData, fileDataLength))
    {
        printf("HttpSendRequest failed.\n");
        InternetCloseHandle(hRequest);
        InternetCloseHandle(hConnect);
        InternetCloseHandle(hInternet);
        return 0;
    }

    InternetCloseHandle(hRequest);
    InternetCloseHandle(hConnect);
    InternetCloseHandle(hInternet);

    return 0;
}