我想更改章节号的样式。特别是我想使用经典论文的样式。我该怎么做？
\documentclass[twoside,10pt,b5paper]{book}
\raggedbottom
\usepackage[dvips=false,pdftex=false,vtex=false]{geometry}
\usepackage{changepage}
\usepackage[a4,center]{crop}
\usepackage[toc,page]{appendix}
\geometry{%
includeheadfoot,
margin=1.8cm,
bmargin=1.4cm
}
\usepackage{soul}
\usepackage{pgfkeys}
\usepackage{tikz,tikz-cd}
\usepackage{enumitem}
\usetikzlibrary{calc}
\usepackage{textcomp, gensymb}
\usepackage{amsthm,amssymb,amsfonts,mathrsfs}
\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\usepackage[english,italian]{babel}
\usepackage[babel]{csquotes}
\usepackage[backend=biber,style=alphabetic,sorting=ynt]{biblatex}
\addbibresource{FrontBackmatter/Bibliography.bib}
\definecolor{indigo(dye)}{rgb}{0.0, 0.25, 0.42}
\usepackage[colorlinks = true,
linkcolor = indigo(dye),
filecolor=black,
urlcolor = black!40!cyan,
citecolor = indigo(dye),
anchorcolor = red!60!black]{hyperref}
\hypersetup{linktocpage}
\usepackage{tcolorbox}
\usepackage[pagestyles, clearempty,explicit]{titlesec}
\usepackage{fancyhdr}
\usepackage{anyfontsize}
\usepackage{palatino,eulervm}
\usepackage[protrusion=true,expansion]{microtype}
\usepackage{eqparbox}
\usepackage[titles]{tocloft}
\usepackage[nottoc,numbib]{tocbibind} %per il TOC
\usepackage{graphicx}
\def\chk#1{#1^{\smash{\scalebox{.7}[1.4]{\rotatebox{90}
{\guilsinglleft}}}}}
\usepackage[nodisplayskipstretch]{setspace}
\makeatletter
\renewcommand\chapter{\if@openright\cleardoublepage\else\clearpage\fi
\thispagestyle{empty}%
\global\@topnum\z@
\@afterindentfalse
\secdef\@chapter\@schapter}
\makeatother
\titleformat{\section}[display]{\fontsize{10.8}{0} \bfseries}{}{0pt}
{\colorbox{black!15!white}{\parbox{\dimexpr\textwidth-2\fboxsep\relax}
{\textcolor{black}{\thesection\quad#1}}}}[]
\titlespacing*{\section}{-0.8cm}{0.4cm}{0.2cm}[0pt]
\newtcbox{\mybox}{colback=red!5!white,colframe=red!75!black}
\pagestyle{fancy}
\fancyhf{}
\fancyhead[RE]{\small \leftmark}
\fancyhead[RO]{\thepage}
\fancyhead[LE]{\thepage}
\fancyhead[LO]{\small \rightmark}
\renewcommand{\headrulewidth}{0.5pt}
\begin{document}
\chapter{A chapter}
\section{A section}
\end{document}
我希望这些数字和图片中的一样。
答案1
你想要的就是这样的东西吗？我不得不改用palatino，newpx它使用 TeX-Gyre Pagella（Palatino 克隆）在文本中使用旧式数字，并使用 格式化 \ chapter titlesec：
\documentclass[twoside,10pt,b5paper, svgnames]{book}
\raggedbottom
\usepackage[dvips=false,pdftex=false,vtex=false]{geometry}
%\usepackage{changepage}
\geometry{%
includeheadfoot,
margin=1.8cm,
bmargin=1.4cm
}
\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\usepackage[english,italian]{babel}
\usepackage[babel]{csquotes}
\usepackage{tcolorbox}
\usepackage[pagestyles, clearempty,explicit]{titlesec}
\usepackage{fancyhdr}
\usepackage{eulervm}
\usepackage[osf]{newpxtext}
\usepackage{newpxmath}
\usepackage[protrusion=true, expansion]{microtype}
\usepackage[nodisplayskipstretch]{setspace}
\titleformat{\chapter}[display]{\bfseries\filright}{\huge\chaptername\enspace{\color{Gainsboro}\scalebox{2.5}{\thechapter}}}{4ex}{\Huge #1}
\titleformat{\section}[display]{\fontsize{10.8}{0} \bfseries}{}{0pt}
{\colorbox{black!15!white}{\parbox{\dimexpr\textwidth-2\fboxsep\relax}
{\textcolor{black}{\thesection\quad#1}}}}[]
\titlespacing*{\section}{-0.8cm}{0.4cm}{0.2cm}[0pt]
\newtcbox{\mybox}{colback=red!5!white,colframe=red!75!black}
\pagestyle{fancy}
\fancyhf{}
\fancyhead[RE]{\small \leftmark}
\fancyhead[RO]{\thepage}
\fancyhead[LE]{\thepage}
\fancyhead[LO]{\small \rightmark}
\renewcommand{\headrulewidth}{0.5pt}
\usepackage{lipsum}
\begin{document}
\setcounter{chapter}{2}
\chapter{A chapter}
\section{A section}
\lipsum
\end{document}
