C ???(?? char)? wstring(?? wchar_t)?? ??
??:
????? ?? ??? ???? ? ??? ??? ??? ??? ? ???? wstring ?? wchar_t ???
???:
?? ???? UTF-8? ??????? ???? ?? ?????(C 11 ??)?? ?? ??? ?????. UTF-8? UTF-8 ?? ?? ?? UTF-16:
#include <locale> #include <codecvt> #include <string> using namespace std; // Create a converter using the UTF-8/UTF-16 codecvt wstring_convert<codecvt_utf8_utf16<wchar_t>> converter; // Convert a narrow (UTF-8) string to a wide (UTF-16) string wstring wide = converter.from_bytes(narrow); // Convert a wide (UTF-16) string to a narrow (UTF-8) string string narrow = converter.to_bytes(wide);
?(??? ??? ? ?? ??):
#include <iostream>
#include <locale>
#include <codecvt>
#include <string>
int main() {
// Sample input string in UTF-8 (see notes below for real-world scenarios):
string s = "おはよう";
// Create a wstring to store the converted string
wstring ws;
// Convert the narrow (UTF-8) string to wide (UTF-16)
std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>> conv;
ws = conv.from_bytes(s);
// Print the converted wstring
wcout << ws << endl;
return 0;
}??:
- ?? ???? ??? UTF-8? ??????? ?????. UTF-8? ?? ???? ??? ??? ???? ????.
- codecvt_utf8_utf16 ???? UTF-16? ?? ?? ??? ??? ??? ?????. ???? ???? ??? ??? ???? ?? codecvt_utf8
? ??? C?? ???(?? char)? wstring(?? wchar_t)?? ???? ??? ??????? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!
? AI ??
Undress AI Tool
??? ???? ??
Undresser.AI Undress
???? ?? ??? ??? ?? AI ?? ?
AI Clothes Remover
???? ?? ???? ??? AI ?????.
Clothoff.io
AI ? ???
Video Face Swap
??? ??? AI ?? ?? ??? ???? ?? ???? ??? ?? ????!
?? ??
??? ??
???++7.3.1
???? ?? ?? ?? ???
SublimeText3 ??? ??
??? ??, ???? ?? ????.
???? 13.0.1 ???
??? PHP ?? ?? ??
???? CS6
??? ? ?? ??
SublimeText3 Mac ??
? ??? ?? ?? ?????(SublimeText3)
??? ??
8644
17
1787
16
1730
56
1582
29
1448
31
C ??? : ??? ??? ???? ??? ?????
Jun 20, 2025 am 12:05 AM
?, ?? ???? C? ??? ??, ?? ??? ? ??????. 1. ?? ???? ??? ??? ?? ?? ??? ?? ?? ??? ?????. 2. ????? ??? ?? ??? ?? ??? ??? ?? ? ??? ?????. 3. ??? ???? ?? ?? ???? ???? ?? ?? ??? ??? ????? ????? ???? ?????.
C? ???? ?????? ????
Jun 20, 2025 am 12:08 AM
C? ? ?? ?? ??? ??? ??? : ??? ?? ??? ? ??? ???. 1. ??? ?? ???? ?? ??? ? ???? ?? ????? ?? ??? ????? ?? ???? ??? ? ????. 2. ??? ???? ?? ?? ? ??? ?? ???? ???? ??? ?? ?? ??? ?????.
C : ???? ?? ??????
Jun 20, 2025 am 12:01 AM
?, C? ???? ?? ?????. 1) ??? ??? ?? ?? ? ??? ???? ?????. 2) ?? ???? ???? ??? ????. 3) ?? ??? ????? ??? ?? ???? ??? ??? ? ??????. ?? ? ??? ?? ???? ???? ??? ?????? ??? ?? ?????.
C ??? : ???? ??
Jun 20, 2025 am 12:12 AM
C DestructorsCanleadToSeVeralCommonerrors.toaVoidthem : 1) ?? ?? ?? ?? ?? ?? ???
C ???? ?? ?????? ????
Jul 01, 2025 am 01:11 AM
?? ???? ??? C?? ??? ??? ???? ??? : ? ????? ? ? ????? C? ??? ? ????? ?? ?? ??? ?? ??? ???? ?????. 1. ?? ??? ???? C? ?? ??? ???? ?? ?? ?? Curly Braces {}? ???? ?? ??? ?? ??? ???????. 2. ?? ??? ? ??? ?? ???? C?? ?? ??? ?? ????? ??? ???? ???? ???? ??? ?????? ???????. RAII ??? ?? ??? ??? ? ????. 3. ?? ? ??? ???? C? ?? ?, ??? ? ???? ?? ??? ??????? ??? ???? ?? ?? ??? ???????. 4. ?? ????? ???? STL? ??? ????? ????? ????? ???? ????? ????? ???????. 5
C? ??? : ????? ??? ? ???
Jun 21, 2025 am 12:11 AM
C? ???? ??? ??? ? ??? ?? ????? ????. 1. ??? ???? ?? ??? ?? ????? ???? ??? ??? ???? ?? ? ? ????. 2. ??? ?? ???? ?? ??? ? ???? ?? ????, ??? ???? ?????.
C?? ??? ??? ???? ??????
Jun 20, 2025 am 12:21 AM
C polymorphismincludescompile time, ??? ? Templatepolymorphism.1) compile-timepolymorphismusesfunctionandoveroveroverforlogy
C ??? : ?? ???
Jun 19, 2025 am 12:25 AM
C polymorphismisuniqueduetoitscompikeofile-timeandruntimepolymorphism, forbothefficiency andfoxible.toharnesspowertylogly : 1) audesMartPointerSlikestd :: Quanior_PtrformemoryManagement, 2) ?? baseclasseshavevirtuctors, 3) ??
