类模板std::wstring_convert用单独的编码转换刻面Codecvt,进行字节字符串std::string和宽字符串std::basic_string<Elem>间的转换。std::wstring_convert假定拥有转换刻面的所有权,而不能使用本地环境所管理的刻面。 适用于std::wstring_convert的标准刻面对于 UTF-8/UCS2 和 UTF-8/UCS4 转换是std::codecvt_utf8...
(c)<<' ';// UTF-8 / UTF-32 标准转换刻面std::u32stringutf32=std::wstring_convert<std::codecvt_utf8<char32_t>,char32_t>{}.from_bytes(utf8);std::cout<<"\nUTF-32 转换产生了 "<<std::dec<<utf32.size()<<" 个代码单元:";for(char32_tc:utf32)std::cout<<std::hex<<static...
3)Converts the narrow stringstrtowide_string. 4)Converts the narrow multibyte character sequence[first,last)towide_string. In all cases, the conversion begins in initial shift state, unless non-initial starting state was provided to thiswstring_convertconstructor. The number of characters converted...
wstring_convert(Codecvt*pcvt, state_type state); (3) explicitwstring_convert(constbyte_string&byte_err, constwide_string&wide_err=wide_string()); (4) wstring_convert(conststd::wstring_convert&)=delete; (5)(since C++14) OverloadData members ...
wstring_convert (C++11) esegue conversioni tra una stringa di larghezza e una stringa di byte Original: performs conversions between a wide string and a byte string The text has been machine-translated viaGoogle Translate. You can help to correct and verify the translation. Clickherefor instru...
to_wstring (C++11) wandelt ein integrierter oder Gleitkommawertwstring Original: converts an integral or floating point value towstring The text has been machine-translated viaGoogle Translate. You can help to correct and verify the translation. Clickherefor instructions. ...
to_wstring (C++11) wandelt ein integrierter oder Gleitkommawertwstring Original: converts an integral or floating point value towstring The text has been machine-translated viaGoogle Translate. You can help to correct and verify the translation. Clickherefor instructions. ...
(wstr);std::cout<<"UTF-8 转换产生了 "<<u8str.size()<<" 个字节:\n";hex_print(u8str);// 宽到 UTF-16lestd::wstring_convert<std::codecvt_utf16<wchar_t,0x10ffff,std::little_endian>>conv2;std::stringu16str=conv2.to_bytes(wstr);std::cout<<"UTF-16le 转换产生了 "<<u16str....
<cpp |locale |wstring convert Defined in header<locale> byte_string to_bytes(Elem wchar); (1) byte_string to_bytes(constElem*wptr); (2) byte_string to_bytes(constwide_string&wstr); (3) byte_string to_bytes(constElem*first,constElem*last); ...
<cpp |locale |wstring convert Defined in header<locale> std::size_tconverted()constnoexcept; Returns the number of source characters that were processed by the most recentfrom_bytes()orto_bytes(). Return value The number of characters consumed by the most recent conversion operation. ...