#include<locale>#include<utility>#include<codecvt>// utility wrapper to adapt locale-bound facets for wstring/wbuffer converttemplate<classFacet>struct deletable_facet:Facet{using Facet::Facet;// inherit constr
#include<iostream>#include<string>#include<locale>#include<codecvt>intmain(){std::string utf8=u8"z\u00df\u6c34\U0001d10b";// or u8"zß水?"// or "\x7a\xc3\x9f\xe6\xb0\xb4\xf0\x9d\x84\x8b";// the UTF-8 / UTF-16 standard conversion facetstd::u16string utf16=std::ws...
std::wstring_convert converter; 报错应输入声明 这个错误通常是因为在使用std::wstring_convert类之前没有包含相应的头文件。请确认你是否包含了<locale>和<codecvt>头文件。 例如: #include<locale> #include<codecvt> intmain(){ std::wstring_convert<std::codecvt_utf8<wchar_t>>converter; // 其他代码 re...
#include <string> int main(void) { using namespace std; auto LocUtf8=locale(locale(""),new codecvt_utf8<wchar_t>); wofstream wfo(L"Hello.txt"); wfo.imbue(LocUtf8); wfo << L"这是Utf-8编码的文本文件!"; wfo.close(); wifstream wfi(L"Hello.txt"); wstring wstr; wfi.imbue(Loc...
#include <string> #include <locale> #include <codecvt> #include <fstream> intmain(intargc,char*argv[]) { std::wstring str = L"123,我是谁?我爱钓鱼岛!"; std::wstring_convert<std::codecvt_utf8<wchar_t>> conv; std::stringnarrowStr = conv.to_bytes(str); ...
#include <iostream> #include <locale> #include <codecvt> #include <string> std::wstring utf8_to_wstring(const std::string& utf8_str) { std::wstring_convert<std::codecvt_utf8<wchar_t>> converter; return converter.from_bytes(utf8_str); ...
如果转换成功,那么返回转换结果。否则,如果*this是以构造函数重载(4)构造的,那么就会返回wide_err_string。 异常 如果转换失败,并且*this不是以构造函数重载(4)构造的,那么就会抛出std::range_error。 示例 运行此代码 #include <codecvt>#include <cstdint>#include <iostream>#include <locale>#include <string>...
#include <codecvt> int main() { // UTF-8 data. The character U+1d10b, musical sign segno, does not fit in UCS2 std::string utf8 = u8"z\u6c34\U0001d10b"; // the UTF-8 / UTF-16 standard conversion facet std::wstring_convert<std::codecvt_utf8_utf16<char16_t>, char16_t>...
如果转换失败,并且*this不是以构造函数重载(4)构造的,那么就会抛出std::range_error。 示例 运行此代码 #include <codecvt>#include <iomanip>#include <iostream>#include <locale>#include <string>// 输出用的工具函数voidhex_print(conststd::string&s){std::cout<<std::hex<<std::setfill('0');for(...
#include <codecvt>#include <cstdint>#include <iostream>#include <locale>#include <string>intmain(){std::stringutf8="z\u00df\u6c34\U0001d10b";// or u8"zß水𝄋"// or "\x7a\xc3\x9f\xe6\xb0\xb4\xf0\x9d\x84\x8b";// the UTF-8 / UTF-16 standard conversion facetstd::u16...