我想要按字母顺序编号的章节附录部分：
Chapter 1
First Chapter
1.1 First Chapter Section
1.A First Chapter Appendix
1.B Second Chapter Appendix
Chapter 2
Second Chapter
2.1 Second Chapter
2.A First Chapter Section
尝试这个：
\documentclass{book}
\begin{document}
\chapter{First Chapter}
\section{First Chapter Section}
\appendix
\section{First Chapter Appendix}
\section{Second Chapter Appendix}
\chapter{Second Chapter}
\section{Second Chapter Section}
\appendix
\section{Second Chapter Appendix}
\end{document}
我得到：
Chapter 1
First Chapter
1.1 First Chapter Section
.1 First Chapter Appendix
.2 Second Chapter Appendix
Appendix A
Second Chapter
A.1 Second Chapter
.1 First Chapter Section
我该如何修复编号？
答案1
该软件包开箱即可使用appendix：
\documentclass{book}
\usepackage{appendix}
\begin{document}
\frontmatter
\tableofcontents
\mainmatter
\chapter{First Chapter}
\section{First Chapter Section}
\begin{subappendices}
\section{First Chapter Appendix}
\section{Second Chapter Appendix}
\end{subappendices}
\chapter{Second Chapter}
\section{Second Chapter Section}
\begin{subappendices}
\section{Second Chapter Appendix}
\end{subappendices}
\end{document}
答案2
该命令的多种用法\appendix确实是在设计的book.cls，因为每次使用\appendix都会重置chapter和section计数器，并且也会将的输出\thechapter从阿拉伯数字更改为\Alph- 样式。
我决定使用\sectionappendix，它不会重置章节计数器，而是使用\Alph和在每章开始时自动\thechapter恢复。\thechapter
如果hyperref使用，则必须采取更多措施，即重新定义\theHsection等。
\documentclass{book}
\usepackage{xpatch}
\makeatletter
\xpretocmd{\chapter}{%
\renewcommand{\thechapter}{\@arabic\c@chapter}}{}{}
\newcommand\sectionappendix{\par
\setcounter{section}{0}%
\gdef\@chapapp{\appendixname}%
\gdef\thechapter{\@Alph\c@chapter}}
\makeatother
\begin{document}
\chapter{First Chapter}
\section{First Chapter Section}
\sectionappendix
\section{First Chapter Appendix}
\section{Second Chapter Appendix}
\chapter{Second Chapter}
\section{Second Chapter Section}
\sectionappendix
\section{Second Chapter Appendix}
\end{document}
更新
\documentclass{book}
\usepackage{xpatch}
\newif\ifappendixchapter
\makeatletter
\let\latex@@thechapter\thechapter
\let\latex@@thesection\thesection
\xpretocmd{\chapter}{%
% Restore the original settings for \thechapter and \thesection
\ifappendixchapter
\else
\let\thechapter\latex@@thechapter
\let\thesection\latex@@thesection
\fi
}{}{}
\xpretocmd{\appendix}{%
\let\thechapter\latex@@thechapter % Restore first
\let\thesection\latex@@thesection % Restore first
\appendixchaptertrue
}{}{}
\newcommand\sectionappendix{\par
\setcounter{section}{0}%
\gdef\thesection{\thechapter.\@Alph\c@section}}
\makeatother
\begin{document}
\chapter{First Chapter}
\section{First Chapter Section}
\sectionappendix
\section{First Chapter Appendix}
\section{Second Chapter Appendix}
\chapter{Second Chapter}
\section{Second Chapter Section}
\sectionappendix
\section{Second Chapter Appendix}
% Real appendix
\appendix
\chapter{First Appendix chapter}
\section{First section in first appendix chapter}
\end{document}