winnet api 实现Get请求

最新推荐文章于 2024-10-01 11:10:20 发布

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最新推荐文章于 2024-10-01 11:10:20 发布 · 2.3k 阅读

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CC 4.0 BY-SA版权

这篇博客记录了如何利用WinAPI函数进行HTTP GET请求的实现，以获取www.hao123.com上的/task.asp?uid=123页面的内容。

mark一下!

#include <windows.h>
#include <WinInet.h>
#include <string>

using namespace std;

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

char* GetUrl2(const char* strName,char* strObject)
{
	HINTERNET hSession = ::InternetOpen("MSDN SurfBear", 
		PRE_CONFIG_INTERNET_ACCESS, 
		NULL, 
		INTERNET_INVALID_PORT_NUMBER, 
		0) ; 

	// Connect to www.microsoft.com. 
	HINTERNET hConnect = ::InternetConnect(hSession, 
		strName, 
		INTERNET_INVALID_PORT_NUMBER, 
		"", 
		"", 
		INTERNET_SERVICE_HTTP, 
		0, 
		0) ; 

	// Request the file /MSDN/MSDNINFO/ from the server. 
	HINTERNET hHttpFile = ::HttpOpenRequest(hConnect, 
		"GET", 
		strObject,
		HTTP_VERSION, 
		NULL, 
		0, 
		INTERNET_FLAG_DONT_CACHE, 
		1); 

	// Send the request. 
	BOOL bSendRequest = ::HttpSendRequest(hHttpFile, NULL, 0, 0, 0); 

	// Get the length of the file. 
	char bufQuery[32] ; 
	DWORD dwLengthBufQuery = sizeof(bufQuery); 
	BOOL bQuery = ::HttpQueryInfo(hHttpFile, HTTP_QU