C++发送HTTP请求接收JSON数据

C++发送HTTP请求接收JSON数据

C++处理HTTP数据请求

#include <stdio.h>

#include <windows.h>

#include <wininet.h>

#define MAXSIZE 1024

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



void urlopen(_TCHAR*);



int _tmain(int argc, _TCHAR* argv[])

{

    urlopen(_T("http://www.yunjson.com"));

    return 0;

}



void urlopen(_TCHAR* url)

{

    HINTERNET hSession = InternetOpen(_T("UrlTest"), INTERNET_OPEN_TYPE_PRECONFIG, NULL, NULL, 0);

    if(hSession != NULL)

    {

        HINTERNET hHttp = InternetOpenUrl(hSession, url, NULL, 0, INTERNET_FLAG_DONT_CACHE, 0);



        if (hHttp != NULL)

        {

            wprintf_s(_T("%s\n"), url);



            BYTE Temp[MAXSIZE];

            ULONG Number = 1;

            while (Number > 0)

            {

                InternetReadFile(hHttp, Temp, MAXSIZE - 1, &Number);

                Temp[Number] = '\0';

                printf("%s", Temp);

            }
            InternetCloseHandle(hHttp);
            hHttp = NULL;
        }
        InternetCloseHandle(hSession);
        hSession = NULL;

    } 

}