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UTF8與GBK字符編碼之間的相互轉換

1、將GBK轉換成UTF8

string GBKToUTF8(const std::string& strGBK)
{
?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;
}

2、將UTF8轉換成GBK

string UTF8ToGBK(const std::string& strUTF8)
{
?int len = MultiByteToWideChar(CP_UTF8, 0, strUTF8.c_str(), -1, NULL, 0);
?unsigned short * wszGBK = new unsigned short[len + 1];
?memset(wszGBK, 0, len * 2 + 2);
?MultiByteToWideChar(CP_UTF8, 0, (LPCTSTR)strUTF8.c_str(), -1, wszGBK, len);

?len = WideCharToMultiByte(CP_ACP, 0, wszGBK, -1, NULL, 0, NULL, NULL);
?char *szGBK = new char[len + 1];
?memset(szGBK, 0, len + 1);
?WideCharToMultiByte(CP_ACP,0, wszGBK, -1, szGBK, len, NULL, NULL);
?//strUTF8 = szGBK;
?std::string strTemp(szGBK);
?delete[]szGBK;
?delete[]wszGBK;
?return strTemp;
}

posted on 2006-09-28 11:18 永遇樂 閱讀(14611) 評論(4)  編輯 收藏 引用 所屬分類: 其它