C++爬虫，获取IP附属地

#include "testipbelong.h"
//#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include  
#include  

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

各种转码

std::string UtfToGbk(const char* utf8)
{
	int len = MultiByteToWideChar(CP_UTF8, 0, utf8, -1, NULL, 0);
	wchar_t* wstr = new wchar_t[len + 1];
	memset(wstr, 0, len + 1);
	MultiByteToWideChar(CP_UTF8, 0, utf8, -1, wstr, len);
	len = WideCharToMultiByte(CP_ACP, 0, wstr, -1, NULL, 0, NULL, NULL);
	char* str = new char[len + 1];
	memset(str, 0, len + 1);
	WideCharToMultiByte(CP_ACP, 0, wstr, -1, str, len, NULL, NULL);
	if (wstr) delete[] wstr;
	return str;
}

std::string GBKToUTF8(const std::string& strGBK)
{
	std::string strOutUTF8 = "";
	WCHAR * str1;
	int n = MultiByteToWideChar(CP_ACP, 0, strGBK.c_str(), -1, NULL, 0);
	str1 = new WCHAR[n];
	MultiByteToWideChar(CP_ACP, 0, strGBK.c_str(), -1, str1, n);
	n = WideCharToMultiByte(CP_UTF8, 0, str1, -1, NULL, 0, NULL, NULL);
	char * str2 = new char[n];
	WideCharToMultiByte(CP_UTF8, 0, str1, -1, str2, n, NULL, NULL);
	strOutUTF8 = str2;
	delete[]str1;
	str1 = NULL;
	delete[]str2;
	str2 = NULL;
	return strOutUTF8;
}

std::wstring GBKToUnicode(const std::string& str)
{
	int  len = 0;
	len = str.length();
	int  unicodeLen = ::MultiByteToWideChar(CP_ACP,
		0,
		str.c_str(),
		-1,
		NULL,
		0);
	wchar_t *  pUnicode;
	pUnicode = new  wchar_t[unicodeLen + 1];
	memset(pUnicode, 0, (unicodeLen + 1)*sizeof(wchar_t));
	::MultiByteToWideChar(CP_ACP,
		0,
		str.c_str(),
		-1,
		(LPWSTR)pUnicode,
		unicodeLen);
	std::wstring  rt;
	rt = (wchar_t*)pUnicode;
	delete  pUnicode;

	return  rt;
}

std::wstring UTF8ToUnicode(const std::string& str)
{
	int  len = 0;
	len = str.length();
	int  unicodeLen = ::MultiByteToWideChar(CP_UTF8,
		0,
		str.c_str(),
		-1,
		NULL,
		0);
	wchar_t *  pUnicode;
	pUnicode = new  wchar_t[unicodeLen + 1];
	memset(pUnicode, 0, (unicodeLen + 1)*sizeof(wchar_t));
	::MultiByteToWideChar(CP_UTF8,
		0,
		str.c_str(),
		-1,
		(LPWSTR)pUnicode,
		unicodeLen);
	std::wstring  rt;
	rt = (wchar_t*)pUnicode;
	delete  pUnicode;

	return  rt;
}

std::string UnicodeToANSI(const std::wstring& str)
{
	char*     pElementText;
	int    iTextLen;
	// wide char to multi char
	iTextLen = WideCharToMultiByte(CP_ACP,
		0,
		str.c_str(),
		-1,
		NULL,
		0,
		NULL,
		NULL);
	pElementText = new char[iTextLen + 1];
	memset((void*)pElementText, 0, sizeof(char)* (iTextLen + 1));
	::WideCharToMultiByte(CP_ACP,
		0,
		str.c_str(),
		-1,
		pElementText,
		iTextLen,
		NULL,
		NULL);
	std::string strText;
	strText = pElementText;
	delete[] pElementText;
	return strText;
}

使用WININET爬，没有监控机制，不能设置超时

//QString GetIpAddress(const std::string  IP)
//{
//
//	HINTERNET hINet, hHttpFile;
//
//	char szSizeBuffer[2000];
//
//	DWORD dwLengthSizeBuffer = sizeof(szSizeBuffer);
//
//	//InternetOpen初始化WININET.DLL
//	hINet = InternetOpenA("IE6.0", INTERNET_OPEN_TYPE_PRECONFIG, NULL, NULL, 0);
//
//	std::string  url = "http://www.ip138.com/ips138.asp?ip=" + IP;
//	if (!hINet)
//	{
//		//QMessageBox::information(this , QString::fromLocal8Bit("操作结果"), QString::fromLocal8Bit("hINet错误！"));
//		return "hINet ERROR！";
//	}
//
//	//这个函数连接到一个网络服务器上并且从服务器上读取数据
//	hHttpFile = InternetOpenUrlA(hINet, url.c_str(), NULL, 0, 0, 0);
//	if (!hHttpFile)
//	{
//		//QMessageBox::information(g_DataStatisticalDlg, QString::fromLocal8Bit("操作结果"), QString::fromLocal8Bit("hHttpFile错误！"));
//		return "hHttpFile 错误！";
//	}
//
//	//得到关于文件的信息
//	BOOL bQuery = HttpQueryInfo(hHttpFile,
//		HTTP_QUERY_CONTENT_LENGTH,
//		szSizeBuffer,
//		&dwLengthSizeBuffer, NULL);
//
//	if (!bQuery)
//	{
//		//QMessageBox::information(g_DataStatisticalDlg, QString::fromLocal8Bit("操作结果"), QString::fromLocal8Bit("bQuery错误！"));
//		InternetCloseHandle(hINet);
//		return "bQuery ERROR！";
//	}
//
//	INT FileSize = atol(szSizeBuffer);
//	std::wstring  revData;
//	revData.resize(FileSize);
//
//	char buffer[1025];
//	DWORD dwBytesRead = 0;
//	BOOL bRead;
//
//	//web浏览器将在InternetReadFile上循环 ，不停地从Internet上读入数据块。
//	do
//	{
//		ZeroMemory(buffer, 1025);
//		bRead = InternetReadFile(hHttpFile,buffer, 1024, &dwBytesRead);
//		buffer[dwBytesRead] = '\0';
//		std::wstring str1 = GBKToUnicode(buffer);
//		//revData += buffer;
//		//revData += str1;
//		revData += str1;
//	} while (dwBytesRead);
//	
//	//std::ofstream   out_file("C:\\Users\\Administrator\\Desktop\\1.txt");
//	//out_file << revData;              //输出到文件
//	//BOOL bRead = InternetReadFile(hHttpFile, &revData[0], FileSize, &dwBytesRead);
//
//	if (!bRead)
//	{
//		//QMessageBox::information(g_DataStatisticalDlg, QString::fromLocal8Bit("操作结果"), QString::fromLocal8Bit("bRead错误！"));
//		return "bRead ERROR！";
//	}
//
//	InternetCloseHandle(hHttpFile);
//	InternetCloseHandle(hINet);
//
//	//std::smatch m;
//	//std::regex regexp("
(?