编解码[医]UTF8%28C++11%29%2828在UTF-8和UC2/UC4%28类模板%29之间转换为C++17%29 编解码[医]utf16%28C++11%29%2828在C++17%29中被弃用
适用于与std::wstring_convert是std::codecvt_utf8对于UTF-8/UC2和UTF-8/UC4转换和std::codecvt_utf8_utf16对于UTF-8/UTF-
适用于与std::wbuffer_convert是std::codecvt_utf8对于UTF-8/UC2和UTF-8/UC4转换和std::codecvt_utf8_utf16对于UTF-8/UTF-
implementation-defined(🍌mapstotwo16-bitcharacters)char16_tuc4=u'🍌';printf("'🍌': %#010x\n\n",(int)uc4
STD::编解码器[医]utf16 [表格] std::codecvt_utf16是std::codecvt方面,它封装Utf-16编码字节字符串与UC2或UC4字符串%28之间的转换,具体取决于Elem29%
STD::编解码器[医]UTF8 [表格] std::codecvt_utf8是std::codecvt方面,它封装Utf-8编码字节字符串与UC2或UC4字符串%28之间的转换,具体取决于Elem29%