GB2312和 UTF8的互相转换函数

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//将GB2312转化为UTF8string UpdateModule::GB2132ToUTF8(string strSrc){string result;WCHAR *wstrSrc = NULL;char *szRes = NULL;int i;// GB2312转换成Unicodei = MultiByteToWideChar(CP_ACP, 0, strSrc.c_str(), -1, NULL, 0);wstrSrc = new WCHAR[i+1];MultiByteToWideChar(CP_ACP, 0, strSrc.c_str(), -1, wstrSrc, i);// Unicode转换成UTF8i = WideCharToMultiByte(CP_UTF8, 0, wstrSrc, -1, NULL, 0, NULL, NULL);szRes = new char[i+1];WideCharToMultiByte(CP_UTF8, 0, wstrSrc, -1, szRes, i, NULL, NULL);result = string (szRes);if (wstrSrc != NULL){delete []wstrSrc;wstrSrc = NULL;}if (szRes != NULL){delete []szRes;szRes = NULL;}return result;} GB2312和 UTF8的互相转换函数

//将UTF8转化为GB2312string UTF8ToGB2132(string strSrc){string result;WCHAR *wstrSrc = NULL;char *szRes = NULL;int i;// UTF8转换成Unicodei = MultiByteToWideChar(CP_UTF8, 0, strSrc.c_str(), -1, NULL, 0);wstrSrc = new WCHAR[i+1];MultiByteToWideChar(CP_UTF8, 0, strSrc.c_str(), -1, wstrSrc, i);// Unicode转换成GB2312i = WideCharToMultiByte(CP_ACP, 0, wstrSrc, -1, NULL, 0, NULL, NULL);szRes = new char[i+1];WideCharToMultiByte(CP_ACP, 0, wstrSrc, -1, szRes, i, NULL, NULL);result = string (szRes);if (wstrSrc != NULL){delete []wstrSrc;wstrSrc = NULL;}if (szRes != NULL){delete []szRes;szRes = NULL;}return result;}