C++发送HTTP请求的实现代码

#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;
}
}

作者：CoderZh