常用代码杂记

	locale loc( "chs" );
	wcout.imbue( loc );
	wcout << GetExePath().GetBuffer() << endl;

#pragma once

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

typedef std::basic_string<TCHAR, std::char_traits<TCHAR>,std::allocator<TCHAR> > 
	tstring;

std::string t2a(CString input)
{
	USES_CONVERSION;
	return T2A(input);
}

std::string t2a(tstring input)
{
	USES_CONVERSION;
	return T2A(input.c_str());
}

CString a2t(std::string input)
{
	USES_CONVERSION;
	return A2T(input.c_str());
}

tstring a2t_2(std::string input)
{
	USES_CONVERSION;
	return A2T(input.c_str());
}

char* UnicodeToUtf8(const wchar_t* unicode)
{
	int len;
	len = WideCharToMultiByte(CP_UTF8, 0, unicode, -1, NULL, 0, NULL, NULL);
	char *szUtf8 = (char*)malloc(len + 1);
	memset(szUtf8, 0, len + 1);
	WideCharToMultiByte(CP_UTF8, 0, unicode, -1, szUtf8, len, NULL, NULL);
	return szUtf8;
}

CString UTF82WCS(const char* szU8)
{
	//预转换，得到所需空间的大小;
	int wcsLen = ::MultiByteToWideChar(CP_UTF8, NULL, szU8, strlen(szU8), NULL, 0);

	//分配空间要给'\0'留个空间，MultiByteToWideChar不会给'\0'空间
	wchar_t* wszString = new wchar_t[wcsLen + 1];

	//转换
	::MultiByteToWideChar(CP_UTF8, NULL, szU8, strlen(szU8), wszString, wcsLen);

	//最后加上'\0'
	wszString[wcsLen] = '\0';

	CString unicodeString(wszString);

	delete[] wszString;
	wszString = NULL;

	return unicodeString;
}

#pragma once

#include <fstream>
#include <sstream>
#include <string>

std::string GetFileContents(std::string filename)
{
	std::ifstream ifs(filename.c_str());
	if (ifs.good())
	{
		std::stringstream ss;
		ss << ifs.rdbuf();
		return ss.str();
	}
	return "";
}

std::string GetFileContents2(std::string filename)
{
	std::ifstream ifs(filename.c_str());
	if (ifs.good())
	{
		std::string strBuffer((std::istreambuf_iterator<char>(ifs)),std::istreambuf_iterator<char>());
		return strBuffer;
	}
	return "";
}

#pragma once

#include <atlstr.h>

// 获取当前可执行文件的路径
CString GetExePath()
{
	CString strCurPath;
	GetModuleFileName(NULL, strCurPath.GetBuffer(MAX_PATH), MAX_PATH);
	strCurPath.ReleaseBuffer();
	return strCurPath.Left(strCurPath.ReverseFind(_T('\\')));
}

// 获取当前可执行文件的文件名
CString GetExeName()
{
	CString strCurPath;
	GetModuleFileName(NULL, strCurPath.GetBuffer(MAX_PATH), MAX_PATH);
	strCurPath.ReleaseBuffer();
	return strCurPath.Mid(strCurPath.ReverseFind(_T('\\'))+1);
}