(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....
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...
std::wstringto_wstring(doublevalue); (8)(since C++11) std::wstringto_wstring(longdoublevalue); (9)(since C++11) Converts a numeric value tostd::wstring. Letbufbe an internal to the conversion functions buffer, sufficiently large to contain the result of conversion. ...
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...
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std::wstring wideStr = conv.from_bytes(narrowStr); { std::locale::global(std::locale("Chinese-simplified")); std::wofstream ofs (L"c:\\testW.txt"); ofs << wideStr; } } http://zh.cppreference.com/w/cpp/locale/codecvt_utf8 以前一直以为标准库的wofstream只能输出MBCS编码的...
class wstring_convert; (since C++11) (deprecated in C++17) Class template std::wstring_convert performs conversions between byte string std::string and wide string std::basic_string<Elem>, using an individual code conversion facet Codecvt. std::wstring_convert assumes ownership of the conversion ...
std::wstringstd::basic_string<wchar_t> std::u16stringstd::basic_string<char16_t> std::u32stringstd::basic_string<char32_t> Mitglied Typen Mitglied Typ Original: Member type The text has been machine-translated viaGoogle Translate. ...
Run this code #include <clocale>#include <cwctype>#include <iostream>#include <algorithm>std::wstringtohira(std::wstringstr){std::transform(str.begin(), str.end(), str.begin(),[](wchar_tc){returnstd::towctrans(c,std::wctrans("tojhira"));});returnstr;}intmain(){std::setlocale(...