wininet https请求——不使用openssl也是可以的

//WinINet HTTPS Get
 
// https请求：https://github.com/netdata/netdata/blob/master/CMakeLists.txt
 
#include<iostream>
#include<Windows.h>
#include<WinInet.h>
#pragma comment(lib,"WinInet.lib")
int main()
{
    HINTERNET hOpen = InternetOpen(TEXT("KaikiUpdate"), INTERNET_OPEN_TYPE_DIRECT, NULL, NULL, 0);//打开连接，获得Internet句柄
    if (!hOpen)
        std::cout << "Error InternetOpen.\n";
 
    HINTERNET hConnect = InternetConnect(hOpen, TEXT("github.com"), INTERNET_DEFAULT_HTTPS_PORT,
        TEXT(""), TEXT(""), INTERNET_SERVICE_HTTP, 0, 0);//连接，获得连接句柄    
    if (!hConnect) {
        std::cout << "Error InternetConnect.\n";
        return -1;
    }
         
 
    HINTERNET hReq = HttpOpenRequest(hConnect, TEXT("GET"), TEXT("netdata/netdata/blob/master/CMakeLists.txt"),
        HTTP_VERSION, TEXT(""), NULL, INTERNET_FLAG_SECURE, 0);//打开请求，获得请求句柄    
    if (!hReq) {
        std::cout << "Error HttpOpenRequest.\n";
        return -1;
    }
         
    BOOL status = HttpSendRequest(hReq, NULL, 0, NULL, 0);//发送
 
    if (status == FALSE) {
        std::cout << "Error HttpSendRequest.\n";//断网时在这里出错
        return -1;
    }
 
    char szBuffer[1024] = "";
    DWORD dwByteRead = 0;
    // FILE* fp = NULL;
    // fopen_s(&fp, "dl.txt", "wb");
 
    do
    {
        status = InternetReadFile(hReq, szBuffer, ARRAYSIZE(szBuffer), &dwByteRead);
        if (status == FALSE)std::cout << "Error InternetReadFile.\n";
        else std::cout << szBuffer;
        std::cout << szBuffer;
        // fwrite(szBuffer, dwByteRead, 1, fp);
        ZeroMemory(szBuffer, dwByteRead);
    } while (dwByteRead);
     
    //fclose(fp);
 
    InternetCloseHandle(hReq);
    InternetCloseHandle(hConnect);
    InternetCloseHandle(hOpen);
    return 0;
}