c++输出字符数组乱码_C++ 中文乱码的问题

string UtfToString(string strValue)

{

int nwLen = ::MultiByteToWideChar(CP_ACP, 0, strValue.c_str(), -1, NULL, 0);

wchar_t * pwBuf = new wchar_t[nwLen + 1];//加上末尾'\0'

ZeroMemory(pwBuf, nwLen * 2 + 2);

::MultiByteToWideChar(CP_ACP, 0, strValue.c_str(), strValue.length(), pwBuf, nwLen);

int nLen = ::WideCharToMultiByte(CP_UTF8, 0, pwBuf, -1, NULL, NULL, NULL, NULL);

char * pBuf = new char[nLen + 1];

ZeroMemory(pBuf, nLen + 1);

::WideCharToMultiByte(CP_UTF8, 0, pwBuf, nwLen, pBuf, nLen, NULL, NULL);

std::string retStr(pBuf);

delete []pwBuf;

delete []pBuf;

pwBuf = NULL;

pBuf = NULL;

return retStr;

}

string StringToUtf(string strValue)

{

int nwLen = MultiByteToWideChar(CP_UTF8, 0, strValue.c_str(), -1, NULL, 0);

wchar_t * pwBuf = new wchar_t[nwLen + 1];//加上末尾'\0'

memset(pwBuf, 0, nwLen * 2 + 2);

MultiByteToWideChar(CP_UTF8, 0, strValue.c_str(), strValue.length(), pwBuf, nwLen);

int nLen = WideCharToMultiByte(CP_ACP, 0, pwBuf, -1, NULL, NULL, NULL, NULL);

char * pBuf = new char[nLen + 1];

memset(pBuf, 0, nLen + 1);

WideCharToMultiByte(CP_ACP, 0, pwBuf, nwLen, pBuf, nLen, NULL, NULL);

std::string retStr = pBuf;

delete []pBuf;

delete []pwBuf;

return retStr;

}

string UtfToGbk(string strValue)

{

int len = MultiByteToWideChar(CP_UTF8, 0, strValue.c_str(), -1, NULL, 0);

wchar_t* wstr = new wchar_t[len+1];

memset(wstr, 0, len+1);

MultiByteToWideChar(CP_UTF8, 0, strValue.c_str(), -1, wstr, len);

len = WideCharToMultiByte(CP_ACP, 0, wstr, -1, NULL, 0, NULL, NULL);

char* str = new char[len+1];

memset(str, 0, len+1);

WideCharToMultiByte(CP_ACP, 0, wstr, -1, str, len, NULL, NULL);

if(wstr) delete[] wstr;

return string(str);

}