关于ANSI和Unicode、Unicode和UTF-8等的相互转换

qp::StringW Global::AnsiToUnicode(

const

char

* buf)

{

int

len = ::MultiByteToWideChar(CP_ACP, 0, buf, -1, NULL, 0);

if

(len == 0)

return

L

""

;

std::vector<</CODE>wchar_t

> unicode(len);

::MultiByteToWideChar(CP_ACP, 0, buf, -1, &unicode[0], len);

return

&unicode[0];

}

qp::StringA Global::UnicodeToAnsi(

const

wchar_t

* buf)

{

int

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

if

(len == 0)

return

""

;

std::vector<</CODE>char

> utf8(len);

::WideCharToMultiByte(CP_ACP, 0, buf, -1, &utf8[0], len, NULL, NULL);

return

&utf8[0];

}

qp::StringW Global::Utf8ToUnicode(

const

char

* buf)

{

int

len = ::MultiByteToWideChar(CP_UTF8, 0, buf, -1, NULL, 0);

if

(len == 0)

return

L

""

;

std::vector<</CODE>wchar_t

> unicode(len);

::MultiByteToWideChar(CP_UTF8, 0, buf, -1, &unicode[0], len);

return

&unicode[0];

}

qp::StringA Global::UnicodeToUtf8(

const

wchar_t

* buf)

{

int

len = ::WideCharToMultiByte(CP_UTF8, 0, buf, -1, NULL, 0, NULL, NULL);

if

(len == 0)

return

""

;

std::vector<</CODE>char

> utf8(len);

::WideCharToMultiByte(CP_UTF8, 0, buf, -1, &utf8[0], len, NULL, NULL);

return

&utf8[0];

}