C++实现发送HTTP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://coderzh.cnblogs.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;

}

}

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