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带有灰色页码

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带有灰色页码

当出现连续的短节，或章节之间没有文字变化时，就像这里一样，

\documentclass[10pt,a4paper]{report}
\usepackage[utf8]{inputenc}
\usepackage{lipsum}


\begin{document}
\tableofcontents

\chapter{Chapter 1}
\lipsum[1]
\section{Section 1}
\lipsum[2]
\section{Section 2}
\lipsum[3-5]
\section{Section 3}
\lipsum[6]
\section{Section 4}
\lipsum[7]

\end{document}

我最终得到了如下目录：

我的问题是，是否可以告诉目录除非页码发生变化，否则不显示任何内容？为了得到类似的东西：

在此处输入图片描述

或者，将多余的页码以灰色显示，例如 在此处输入图片描述

编辑：所有解决方案在各自的 MWE 上都运行良好，但在我的论文上却不行。我需要花一些时间才能在加载的数十个包中找到哪个包负责此问题。Heiko 的解决方案在我的论文中产生了最好的结果，但我在新的目录中遇到了以下问题：

标签恢复正常，而这在 MWE 上不会发生。

答案1

请参阅附录以了解hyperref版本。

这是一个tocloft解决方案。我修补了 的定义，以便将\cftXfillnum其#1替换为\clrize{#1}。然后我定义\clrize来检查是否与#1全局定义的前一个页面条目匹配。如果是，则将其设为灰色，否则，将其保留为黑色并更新全局保存的页面条目。

编辑使用\xpatchcmd而不是指定完整的\renewcommand。

\documentclass[10pt,a4paper]{report}
\usepackage[utf8]{inputenc}
\usepackage{tocloft,xcolor,xpatch}
\xpatchcmd\cftchapfillnum{#1}{\clrize{#1}}{}{}
\xpatchcmd\cftsecfillnum{#1}{\clrize{#1}}{}{}
\def\svpage{0}
\def\clrize#1{\ifnum#1=\svpage\relax\textcolor{black!20}{#1}\else#1\gdef\svpage{#1}\fi}
\usepackage{lipsum}
\begin{document}
\tableofcontents

\chapter{Chapter 1}
\lipsum[1]
\section{Section 1}
\lipsum[2]
\section{Section 2}
\lipsum[3-5]
\section{Section 3}
\lipsum[6]
\section{Section 4}
\lipsum[7]
\end{document}

在此处输入图片描述

附录：

OP 询问了hyperref兼容性。经过一番折腾，我发现宏#1中\cftXfillnum不是数字，而是hyperref某种命令。因此，我必须解析该命令，以便提取页码作为#4该新命令的参数。

\documentclass[10pt,a4paper]{report}
\usepackage[linktoc=all]{hyperref}
\usepackage[utf8]{inputenc}
\usepackage{tocloft,xcolor,xpatch}
\usepackage{lipsum}
\xpatchcmd\cftchapfillnum{#1}{\clrize#1\relax#1}{}{}
\xpatchcmd\cftsecfillnum{#1}{\clrize#1\relax#1}{}{}
\def\svpage{0}
\def\clrize#1#2#3#4#5\relax{\ifnum#4=\svpage\relax%
  \color{black!30}\else\gdef\svpage{#4}\fi}
\begin{document}
\tableofcontents

\chapter{Chapter 1}
\lipsum[1]
\section{Section 1}
\lipsum[2]
\section{Section 2}
\lipsum[3-5]
\section{Section 3}
\lipsum[6]
\section{Section 4}
\lipsum[1-42]
\section{Section 5}
\lipsum[7]
\end{document}

在此处输入图片描述

答案2

LaTeX 用于格式化目录中的条目。第二个参数是页码。因此，可以将其定义为宏并在下次调用时进行比较。\l@<section>

以下示例也适用于hyperref。

此外，只\l@...应重新定义那些实际出现在目录中的命令。否则，出现在章节级别、未放入目录中的页码将不会出现在目录中同一页的下一个条目中。

\documentclass[10pt,a4paper]{report}
\usepackage[utf8]{inputenc}
\usepackage{lipsum}

\makeatletter
\def\toc@page{}

% Chapters should have a page number.
% \l@chapter is redefined to remember the page number
\let\saved@l@chapter\l@chapter
\renewcommand*{\l@chapter}[2]{%
  \def\toc@page{#2}%
  \saved@l@chapter{#1}{#2}%
}

\let\saved@l@section\l@section
\renewcommand*{\l@section}[2]{%
  \def\toc@new@page{#2}%
  \ifx\toc@new@page\toc@page
    \expandafter\@firstoftwo
  \else
    \def\toc@page{#2}%
    \expandafter\@secondoftwo
  \fi
  {%
    \saved@l@section{#1}{}%
  }{%
    \saved@l@section{#1}{#2}%
  }%
}

\let\saved@l@subsection\l@subsection
\renewcommand*{\l@subsection}[2]{%
  \def\toc@new@page{#2}%
  \ifx\toc@new@page\toc@page
    \expandafter\@firstoftwo
  \else
    \expandafter\@secondoftwo
  \fi
  {%
    \saved@l@subsection{#1}{}%
  }{%
    \saved@l@subsection{#1}{#2}%
  }%
}
\makeatother


\begin{document}
\tableofcontents

\chapter{Chapter 1}
\lipsum[1]
\section{Section 1}
\lipsum[2]
\section{Section 2}
\lipsum[3-5]
\section{Section 3}
\subsection{Subsection A}
\lipsum[6]
\section{Section 4}
\lipsum[7]

\end{document}

结果

带有灰色页码

将页码改为灰色，只需要进行小小的修改：

\documentclass[10pt,a4paper]{report}
\usepackage[utf8]{inputenc}
\usepackage{lipsum}
\usepackage{color}
\definecolor{tocpagegray}{gray}{.5}

\makeatletter
\def\toc@page{}

% Chapters should have a page number.
% \l@chapter is redefined to remember the page number
\let\saved@l@chapter\l@chapter
\renewcommand*{\l@chapter}[2]{%
  \def\toc@page{#2}%
  \saved@l@chapter{#1}{#2}%
}

\let\saved@l@section\l@section
\renewcommand*{\l@section}[2]{%
  \def\toc@new@page{#2}%
  \ifx\toc@new@page\toc@page
    \expandafter\@firstoftwo
  \else
    \def\toc@page{#2}%
    \expandafter\@secondoftwo
  \fi
  {%
    \saved@l@section{#1}{\textcolor{tocpagegray}{#2}}%
  }{%
    \saved@l@section{#1}{#2}%
  }%
}

\let\saved@l@subsection\l@subsection
\renewcommand*{\l@subsection}[2]{%
  \def\toc@new@page{#2}%
  \ifx\toc@new@page\toc@page
    \expandafter\@firstoftwo
  \else
    \expandafter\@secondoftwo
  \fi
  {%
    \saved@l@subsection{#1}{\textcolor{tocpagegray}{#2}}%
  }{%
    \saved@l@subsection{#1}{#2}%
  }%
}
\makeatother

\begin{document}
\tableofcontents

\chapter{Chapter 1}
\lipsum[1]
\section{Section 1}
\lipsum[2]
\section{Section 2}
\lipsum[3-5]
\section{Section 3}
\subsection{Subsection A}
\lipsum[6]
\section{Section 4}
\lipsum[7]

\end{document}

灰色页码的结果

带有灰色页码和灰色圆点

\documentclass[10pt,a4paper]{report}
\usepackage[utf8]{inputenc}
\usepackage{lipsum}
\usepackage{color}
\definecolor{tocpagegray}{gray}{.5}

\makeatletter
\def\toc@page{}

% Chapters should have a page number.
% \l@chapter is redefined to remember the page number
\let\saved@l@chapter\l@chapter
\renewcommand*{\l@chapter}[2]{%
  \def\toc@page{#2}%
  \saved@l@chapter{#1}{#2}%
}

\let\saved@l@section\l@section
\renewcommand*{\l@section}[2]{%
  \def\toc@new@page{#2}%
  \ifx\toc@new@page\toc@page
    \expandafter\@firstoftwo
  \else
    \def\toc@page{#2}%
    \expandafter\@secondoftwo
  \fi
  {%
    \begingroup
      \let\leaders\toc@leaders@gray
      \saved@l@section{#1}{\textcolor{tocpagegray}{#2}}%
    \endgroup
  }{%
    \saved@l@section{#1}{#2}%
  }%
}

\let\saved@l@subsection\l@subsection
\renewcommand*{\l@subsection}[2]{%
  \def\toc@new@page{#2}%
  \ifx\toc@new@page\toc@page
    \expandafter\@firstoftwo
  \else
    \expandafter\@secondoftwo
  \fi
  {%
    \begingroup
      \let\leaders\toc@leaders@gray
      \saved@l@subsection{#1}{\textcolor{tocpagegray}{#2}}%
     \endgroup
  }{%
    \saved@l@subsection{#1}{#2}%
  }%
}

\let\org@leaders\leaders
\newcommand*{\toc@leaders@gray}[2]{%
  \org@leaders\hbox{\textcolor{tocpagegray}{#2}}%
}
\makeatother

\begin{document}
\tableofcontents

\chapter{Chapter 1}
\lipsum[1]
\section{Section 1}
\lipsum[2]
\section{Section 2}
\lipsum[3-5]
\section{Section 3}
\subsection{Subsection A}
\lipsum[6]
\section{Section 4}
\lipsum[7]

\end{document}

带有灰色页码和圆点的结果

删除不必要的点

如果省略页码，则指向不存在的页码的点不再需要。以下示例删除了它们。hyperref这次加载了包。

\documentclass[10pt,a4paper]{report}
\usepackage[utf8]{inputenc}
\usepackage{lipsum}
\usepackage{etoolbox}
\usepackage[colorlinks]{hyperref}

\makeatletter
\def\toc@page{}

% Chapters should have a page number.
% \l@chapter is redefined to remember the page number
\let\saved@l@chapter\l@chapter
\renewcommand*{\l@chapter}[2]{%
  \def\toc@page{#2}%
  \saved@l@chapter{#1}{#2}%
}

\let\saved@l@section\l@section
\renewcommand*{\l@section}[2]{%
  \def\toc@new@page{#2}%
  \ifx\toc@new@page\toc@page
    \expandafter\@firstoftwo
  \else
    \def\toc@page{#2}%
    \expandafter\@secondoftwo
  \fi
  {%
    \begingroup
      \let\leaders\@gobbletwo
      \saved@l@section{#1}{}%
    \endgroup
  }{%
    \saved@l@section{#1}{#2}%
  }%
}

\let\saved@l@subsection\l@subsection
\renewcommand*{\l@subsection}[2]{%
  \def\toc@new@page{#2}%
  \ifx\toc@new@page\toc@page
    \expandafter\@firstoftwo
  \else
    \expandafter\@secondoftwo
  \fi
  {%
    \begingroup
      \let\leaders\@gobbletwo
      \saved@l@subsection{#1}{}%
    \endgroup
  }{%
    \saved@l@subsection{#1}{#2}%
  }%
}
\makeatother

\begin{document}
\tableofcontents

\chapter{Chapter 1}
\lipsum[1]
\section{Section 1}
\lipsum[2]
\section{Section 2}
\lipsum[3-5]
\section{Section 3}
\subsection{Subsection A}
\lipsum[6]
\section{Section 4}
\lipsum[7]

\end{document}

没有不必要点的结果

带有不必要的点并在新页面上带有页码

以下修改设置标签以检测目录条目所在的页面。然后检查页码是否已更改，这表示目录中有新页面。然后设置页码，即使页码已出现在上一页。

\documentclass[10pt,a4paper]{report}
\usepackage[utf8]{inputenc}
\usepackage{lipsum}
\usepackage{etoolbox}
\usepackage[colorlinks]{hyperref}

\usepackage{zref-abspage}

\makeatletter
\def\toc@page{}
\def\toc@abspage{}
\newcounter{toc@abspage}
\renewcommand*{\thetoc@abspage}{%
  ta@\the\value{toc@abspage}%
}
\newcommand*{\toc@abspage@label}{%
  \zref@labelbyprops{\thetoc@abspage}{abspage}%
}
\newcommand*{\toc@abspage@check}{%
  \stepcounter{toc@abspage}%
  \edef\toc@abs@page{\zref@extractdefault{\thetoc@abspage}{abspage}{}}%
  \zref@refused{\thetoc@abspage}%
  \ifx\toc@abs@page\toc@abspage
  \else
    \def\toc@page{}%
    \let\toc@abspage\toc@abs@page
  \fi
}

% Chapters should have a page number.
% \l@chapter is redefined to remember the page number
\let\saved@l@chapter\l@chapter
\renewcommand*{\l@chapter}[2]{%
  \toc@abspage@check
  \def\toc@page{#2}%
  \saved@l@chapter{#1}{#2\toc@abspage@label}%
}

\let\saved@l@section\l@section
\renewcommand*{\l@section}[2]{%
  \toc@abspage@check
  \def\toc@new@page{#2}%
  \ifx\toc@new@page\toc@page
    \expandafter\@firstoftwo
  \else
    \def\toc@page{#2}%
    \expandafter\@secondoftwo
  \fi
  {%
    \begingroup
      \let\leaders\@gobbletwo
      \saved@l@section{#1}{\toc@abspage@label}%
    \endgroup
  }{%
    \saved@l@section{#1}{#2\toc@abspage@label}%
  }%
}

\let\saved@l@subsection\l@subsection
\renewcommand*{\l@subsection}[2]{%
  \toc@abspage@check
  \def\toc@new@page{#2}%
  \ifx\toc@new@page\toc@page
    \expandafter\@firstoftwo
  \else
    \expandafter\@secondoftwo
  \fi
  {%
    \begingroup
      \let\leaders\@gobbletwo
      \saved@l@subsection{#1}{\toc@abspage@label}%
    \endgroup
  }{%
    \saved@l@subsection{#1}{#2\toc@abspage@label}%
  }%
}
\makeatother

\begin{document}
\tableofcontents

\chapter{Chapter 1}
\lipsum[1]
\section{Section 1}
\lipsum[2]
\addtocontents{toc}{\protect\newpage}
\section{Section 2}
\lipsum[3-5]
\section{Section 3}
\subsection{Subsection A}
\lipsum[6]
\section{Section 4}
\lipsum[7]

\end{document}

答案3

您可以尝试以下操作：

\documentclass[10pt,a4paper]{report}
\usepackage[utf8]{inputenc}
\usepackage{lipsum}

\newcount\tocpgnum
\let\contentslineori=\contentsline
\def\contentsline#1#2#3{%
   \ifnum\tocpgnum=#3
      \contentslineori{#1}{#2}{}%
   \else
      \contentslineori{#1}{#2}{#3}%
      \tocpgnum=#3
   \fi
}

\begin{document}
\tableofcontents

\chapter{Chapter 1}
\lipsum[1]
\section{Section 1}
\lipsum[2]
\section{Section 2}
\lipsum[3-5]
\section{Section 3}
\lipsum[6]
\section{Section 4}
\lipsum[7]

\end{document}

答案4

这里展示如何使用包来处理这个问题etoc。

为了简单起见，我使用了 etoc 手册部分中的技术another compatibility mode；否则，需要设置更完整的样式（对于灰色引导点，可以像这里一样复制\toc@leaders@gray方法从Heiko 的回答）。手册中给出了设置etoc样式的示例，例如Part I, section 6 A second example。

\documentclass[10pt,a4paper]{report}
\usepackage[utf8]{inputenc}
\usepackage{lipsum}
\usepackage{hyperref}
\hypersetup{linktoc=all}
\usepackage{etoc}
\usepackage{color}
\definecolor{tocpagegray}{gray}{.5}

\makeatletter

\let\savedchapterline\l@chapter
\let\savedsectionline\l@section
\let\savedsubsectionline\l@subsection

\def\saved@previouspage {0}

\etocsetstyle{chapter}
  {}
  {\xdef\HcN@zz{\etocthepage}}
  {\ifx\HcN@zz\saved@previouspage
    \savedchapterline{\numberline{\etocnumber}\etocname}
                     {\textcolor{tocpagegray}{\etocpage}}%
   \else
    \savedchapterline{\numberline{\etocnumber}\etocname}
                     {\etocpage}%
   \fi
   \global\let\saved@previouspage\HcN@zz
  }
  {}%

\etocsetstyle{section}
  {}
  {\xdef\HcN@zz{\etocthepage}}
  {\ifx\HcN@zz\saved@previouspage
    \savedsectionline{\numberline{\etocnumber}\etocname}
                     {\textcolor{tocpagegray}{\etocpage}}%
   \else
    \savedsectionline{\numberline{\etocnumber}\etocname}
                     {\etocpage}%
   \fi
   \global\let\saved@previouspage\HcN@zz
  }
  {}%

\etocsetstyle{subsection}
  {}
  {\xdef\HcN@zz{\etocthepage}}
  {\ifx\HcN@zz\saved@previouspage
    \savedsubsectionline{\numberline{\etocnumber}\etocname}
                     {\textcolor{tocpagegray}{\etocpage}}%
   \else
    \savedsubsectionline{\numberline{\etocnumber}\etocname}
                     {\etocpage}%
   \fi
   \global\let\saved@previouspage\HcN@zz
  }
  {}

\makeatother


\begin{document}
\tableofcontents

\chapter{Chapter 1}
\lipsum[1]
\section{Section 1}
\lipsum[2]
\section{Section 2}
\lipsum[3-5]
\section{Section 3}
\subsection{Subsection A}
\lipsum[6]
\section{Section 4}
\lipsum[7]

\end{document}

在此处输入图片描述

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