gb2312-unicode(ucs2)

BOOL UCS2_TO_GB2312(std::string &dst, LPCWSTR src){const UINT CP_GB2312 = 936;BOOL IsOk;LONG nBytes;IsOk = FALSE;nBytes = WideCharToMultiByte(CP_GB2312, 0, src, -1, NULL, 0, NULL, NULL);if (nBytes > 0){HANDLE hHeapHandle = GetProcessHeap();if (LPSTR mb = reinterpret_cast<LPSTR>(HeapAlloc(hHeapHandle, HEAP_ZERO_MEMORY, nBytes))){if (WideCharToMultiByte(CP_GB2312, 0, src, -1, mb, nBytes, NULL, NULL) == nBytes){dst.append(mb);IsOk = TRUE;}HeapFree(hHeapHandle, 0, mb);}}return IsOk;}BOOL GB2312_TO_UCS2(std::wstring &dst, LPCSTR src){const UINT CP_GB2312 = 936;BOOL IsOk;LONG nCharacters;IsOk = FALSE;nCharacters = MultiByteToWideChar(CP_GB2312, 0, src, -1, NULL, 0);if (nCharacters > 0){HANDLE hHeapHandle = GetProcessHeap();if (LPWSTR wc = reinterpret_cast<LPWSTR>(HeapAlloc(hHeapHandle, HEAP_ZERO_MEMORY, nCharacters * sizeof(wchar_t)))){if (MultiByteToWideChar(CP_GB2312, 0, src, -1, wc, nCharacters) == nCharacters){dst.append(wc);IsOk = TRUE;}HeapFree(hHeapHandle, 0, wc);}}return IsOk;}