UTF8-ANSI.cpp

//首先从UTF8转到UNCODE //再从UNCODE转到ANSI int ConvUtf8ToAnsi(CString& strSource, CString& strChAnsi) { if (strSource.GetLength() <= 0) return 0; CString strWChUnicode; strSource.TrimLeft(); strSource.TrimRight(); strChAnsi.Empty(); int iLenByWChNeed = MultiByteToWideChar(CP_UTF8, 0, strSource.GetBuffer(0), strSource.GetLength(), //MultiByteToWideChar NULL, 0); int iLenByWchDone = MultiByteToWideChar(CP_UTF8, 0, strSource.GetBuffer(0), strSource.GetLength(), (LPWSTR)strWChUnicode.GetBuffer(iLenByWChNeed * 2), iLenByWChNeed); //MultiByteToWideChar strWChUnicode.ReleaseBuffer(iLenByWchDone * 2); int iLenByChNeed = WideCharToMultiByte(CP_ACP, 0, (LPCWSTR)strWChUnicode.GetBuffer(0), iLenByWchDone, NULL, 0, NULL, NULL); int iLenByChDone = WideCharToMultiByte(CP_ACP, 0, (LPCWSTR)strWChUnicode.GetBuffer(0), iLenByWchDone, strChAnsi.GetBuffer(iLenByChNeed), iLenByChNeed, NULL, NULL); strChAnsi.ReleaseBuffer(iLenByChDone); if (iLenByWChNeed != iLenByWchDone || iLenByChNeed != iLenByChDone) return 1; return 0; }