MFC如何链接 http://169.254.1.10:8090/api/v1/~bali/ABC0123456789

MFC可以使用WinINet库中的函数来实现HTTP请求。以下是一个简单的示例代码：

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

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

int main()
{
    HINTERNET hInternet = InternetOpen(L"Test", INTERNET_OPEN_TYPE_PRECONFIG, NULL, NULL, 0);
    if (hInternet == NULL)
    {
        return 1;
    }

    HINTERNET hConnect = InternetConnect(hInternet, L"169.254.1.10", 8090, NULL, NULL, INTERNET_SERVICE_HTTP, 0, 0);
    if (hConnect == NULL)
    {
        InternetCloseHandle(hInternet);
        return 1;
    }

    HINTERNET hRequest = HttpOpenRequest(hConnect, L"GET", L"/api/v1/~bali/ABC0123456789", NULL, NULL, NULL, INTERNET_FLAG_RELOAD, 0);
    if (hRequest == NULL)
    {
        InternetCloseHandle(hConnect);
        InternetCloseHandle(hInternet);
        return 1;
    }

    BOOL bSend = HttpSendRequest(hRequest, NULL, 0, NULL, 0);
    if (!bSend)
    {
        InternetCloseHandle(hRequest);
        InternetCloseHandle(hConnect);
        InternetCloseHandle(hInternet);
        return 1;
    }

    DWORD dwStatusCode = 0;
    DWORD dwBufferLength = sizeof(dwStatusCode);
    BOOL bQuery = HttpQueryInfo(hRequest, HTTP_QUERY_STATUS_CODE | HTTP_QUERY_FLAG_NUMBER, &dwStatusCode, &dwBufferLength, NULL);
    if (!bQuery)
    {
        InternetCloseHandle(hRequest);
        InternetCloseHandle(hConnect);
        InternetCloseHandle(hInternet);
        return 1;
    }

    if (dwStatusCode == HTTP_STATUS_OK)
    {
        CHAR szBuffer[1024];
        DWORD dwRead = 0;
        while (InternetReadFile(hRequest, szBuffer, sizeof(szBuffer), &dwRead) && dwRead != 0)
        {
            // 处理响应数据
        }
    }

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

    return 0;
}

该示例代码使用了WinINet库中的四个函数：InternetOpen、InternetConnect、HttpOpenRequest和HttpSendRequest，分别用于打开Internet会话、连接服务器、打开HTTP请求和发送HTTP请求。其中，HttpQueryInfo函数用于查询HTTP响应的状态码。在处理响应数据时，可以使用InternetReadFile函数从服务器读取数据。