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有条件地引用未编号的章节

tag-icon • tag-icon sectioning chapters conditionals
有条件地引用未编号的章节

为了在章节周围添加边框，我根据此处的答案改编了以下代码：单个章节的每一页中都有垂直矩形。

\AddEverypageHook{%
\ifthenelse{\thechapter=7}{
        \tikz[remember picture,overlay] {%
            \draw [titlegrey]($(current page.north west) + (1cm,-1cm)$) -- ($(current page.north east)+ (-1cm,-1cm)$) -- ($(current page.south east)+ (-1cm,+1cm)$) -- ($(current page.south west)+ (+1cm,+1cm)$) -- ($(current page.north west) + (1cm,-1cm)$) ;
        }
%\fi
}{}
}

上述代码为第 7 章添加了边框。

但是，如何为未编号的章节添加边框 - 在这种情况下，我将其标记为：\chapter*{Unnumbered chapter with border}\label{chapborder}？

答案1

您还可以创建一个条件，例如\ifchapterborder，您可以将其设置为特定情况下的真值\chapter*。请注意book，在\chapters 问题下\cleardoublepage。

\documentclass{book}

\usepackage{lipsum}
\usepackage[contents={},scale=1,opacity=1,color=black,angle=0]{background}
\usetikzlibrary{calc}

\newcommand{\insertborder}{%
  \tikz[remember picture,overlay] {%
        \draw ($(current page.north west) + (1cm,-1cm)$) -- ($(current page.north east)+ (-1cm,-1cm)$) -- ($(current page.south east)+ (-1cm,+1cm)$) -- ($(current page.south west)+ (+1cm,+1cm)$) -- ($(current page.north west) + (1cm,-1cm)$) ;
  }
}
\newif\ifchapterborder
\AddEverypageHook{%
  \ifnum\value{chapter}=7
    \insertborder
  \else\ifchapterborder
    \insertborder
  \fi\fi
}
\begin{document}

\chapter{A chapter}\lipsum[1-20]% Chapter 1

\setcounter{chapter}{6}%
\chapter{A chapter}\lipsum[1-20]% Chapter 7

\chapter{A chapter}\lipsum[1-20]% Chapter 8

\cleardoublepage
\chapterbordertrue
\chapter*{Unnumbered chapter}\lipsum[1-20]
\cleardoublepage
\chapterborderfalse

\chapter{A chapter}\lipsum[1-20]% Chapter 9

\end{document}

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