標頭檔案引用：#include <string>

 void CGetpostDlg::UTF8toANSI(CString &strUTF8)
{
	USES_CONVERSION;
	char * strutf8 = W2A(strUTF8);
	//獲取轉換為多位元組後需要的緩衝區大小，建立多位元組緩衝區
	UINT nLen = MultiByteToWideChar(CP_UTF8, NULL, strutf8, -1, NULL, NULL);
	WCHAR *wszBuffer = new WCHAR[nLen + 1];
	nLen = MultiByteToWideChar(CP_UTF8, NULL, strutf8, -1, wszBuffer, nLen);
	wszBuffer[nLen] = 0;

	nLen = WideCharToMultiByte(936, NULL, wszBuffer, -1, NULL, NULL, NULL, NULL);
	CHAR *szBuffer = new CHAR[nLen + 1];
	nLen = WideCharToMultiByte(936, NULL, wszBuffer, -1, szBuffer, nLen, NULL, NULL);
	szBuffer[nLen] = 0;
	string szbuffer = szBuffer;
	strUTF8 = szbuffer.c_str();
	//清理記憶體
	delete[]szBuffer;
	delete[]wszBuffer;
}
void CGetpostDlg::ANSItoUTF8(CString &strAnsi)
{
	USES_CONVERSION;
	char * stransi = W2A(strAnsi);
	//獲取轉換為寬位元組後需要的緩衝區大小，建立寬位元組緩衝區，936為簡體中文GB2312內碼表
	UINT nLen = MultiByteToWideChar(936, NULL, stransi, -1, NULL, NULL);
	WCHAR *wszBuffer = new WCHAR[nLen + 1];
	nLen = MultiByteToWideChar(936, NULL, stransi, -1, wszBuffer, nLen);
	wszBuffer[nLen] = 0;
	//獲取轉為UTF8多位元組後需要的緩衝區大小，建立多位元組緩衝區
	nLen = WideCharToMultiByte(CP_UTF8, NULL, wszBuffer, -1, NULL, NULL, NULL, NULL);
	CHAR *szBuffer = new CHAR[nLen + 1];
	nLen = WideCharToMultiByte(CP_UTF8, NULL, wszBuffer, -1, szBuffer, nLen, NULL, NULL);
	szBuffer[nLen] = 0;
	string szbuffer = szBuffer;
	strAnsi = szbuffer.c_str();
	//記憶體清理
	delete[]wszBuffer;
	delete[]szBuffer;
}