我正在用以下代码写数学报告
\documentclass[12pt,a4paper]{report}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Useful Packages %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%---------------------math---------------------------------------
\usepackage{amssymb,amsmath,amsthm,latexsym,mathrsfs,amsfonts,dsfont}
\usepackage{mathtools, nccmath} % new extention de amsmath
%---------------------divers---------------------------------------
\usepackage{pifont} %ding
\usepackage{fancybox} %pour faire l'encadrement
\usepackage{graphicx}
\usepackage{color}
\usepackage[final]{pdfpages}
\usepackage{url}
%\usepackage[notref,notcite]{showkeys}
\usepackage{fancyvrb}
\VerbatimFootnotes % allows verbatim text in footnotes
%-------------------------hyperref------------------------------
\usepackage{setspace}
%\usepackage[colorlinks=true,pagebackref=true]{hyperref}
%\usepackage[colorlinks=true]{hyperref}
%\hypersetup{urlcolor=blue, citecolor=red , linkcolor= blue}
%------------
%--------------------------accent-------------------------
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
%---------------------------------------------------------
%-------réduire le mot reference----------
\usepackage{etoolbox}
\patchcmd{\thebibliography}{\section}{\subsection}{}{}
%------
%------minimiser l'espace entre les reference----
\makeatletter
\g@addto@macro\@openbib@code{\setlength{\itemsep}{0pt}}
\makeatother
%-----------------
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%Style des titres%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%-------------------------------------------
\usepackage{sectsty}
\allsectionsfont{\sffamily}
%---- Dimensions des marges --------------------
\usepackage{geometry}
\geometry{left=3cm,right=2cm,top=2.5cm,bottom=2cm}
\usepackage{setspace}
\onehalfspacing
%---------------------écriture foncé-----------
%\usepackage{mathptmx} % pour avoir une écriture bien foncée
%\usepackage{helvet}
%----------------------------------------------
%-----------------------------------------------------------
\newtheorem{theorem}{Theorem}[section]
\newtheorem{definition}{Definition}[section]
\newtheorem{definitions}{Definitions}[section]
\newtheorem{notation}{Notation}[section]
\newtheorem{corollary}{Corollary}[section]
\newtheorem{proposition}{Proposition}[section]
\newtheorem{lemma}{Lemma}[section]
\newtheorem{remark}{Remark}[section]
\newtheorem{example}{Example}[section]
\newtheorem{examples}{Examples}[section]
\numberwithin{equation}{section}
%-----------
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\renewcommand{\qedsymbol}{$\blacksquare$}
\let\origproofname\proofname
\renewcommand{\proofname}{\upshape\bfseries\origproofname}
\newenvironment{dem}{{\noindent {\bf Sketch of Proof.}}}{\hfill {\rule{2mm}{2mm}}}
\newenvironment{pr}{{\noindent {\bf Second Proof of}}}{\hfill {\rule{3mm}{3mm}}}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%-----------------------------head and foot--------------------------------
\usepackage{fancyhdr}
\pagestyle{fancy}
\renewcommand{\chaptermark}[1]{\markboth{#1}{}}
\renewcommand{\sectionmark}[1]{\markright{\thesection\ #1}}
\fancyhf{} % supprime les en-têtes et pieds pr\'ed\'efinis
\fancyhead[L,R]{\bfseries\thepage}% Left Even, Right Odd
\fancyhead[L]{\bfseries\rightmark} % Left Odd
\fancyhead[R]{\bfseries\leftmark} % Right Even
\fancyfoot[LE,RO]{\textbf{ }} %ici ecrire cooperate
\renewcommand{\headrulewidth}{1.pt}% filet en haut de page
\renewcommand{\footrulewidth}{0.pt}% filet en bas de page
\newcommand{\clearemptydoublepage}{%
\newpage{\pagestyle{plain}\cleardoublepage}}
\rhead{\textbf{\thepage}} %{\textsl{\rightmark}}
\lhead{\textsl{\leftmark}}%{\textbf{\thepage}}
\lfoot{\footnotesize{\textbf{}}} % titre de la these
%-------------------------------------------------------------
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%-------Chapter style-------------------------------------------------
\usepackage{titlesec}
\usepackage{tabularx}
\titleformat{\chapter}[display]{\filcenter\Huge\scshape\bfseries}{\begin{tabularx}{\textwidth}{@{}XcX@{}}\titlerule[5pt]& \large\mdseries\raisebox{-1.05ex}{\chaptername\enspace\arabic{chapter}} & \titlerule[5pt]\end{tabularx}}{-1ex}{\hrule\vspace{1ex} }[\vspace{0.75ex}\endgraf\hrule]
\titlespacing*{\chapter}{0pt}{-8ex}{20ex}
\titleformat{name=\chapter, numberless}[display]{\filcenter\Huge\bfseries}%
{\titlerule[5pt]}{-2.2ex}{\hrule\vspace{1.5ex}}[\vspace{0.75ex}\endgraf\hrule]
%-----------This chapter contains--------------
\usepackage{etoc}
\usepackage{blindtext}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%-------------------------
%\pagestyle{plain} % les numérotations en pieds de page
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%\begin{document}%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{document}
\newpage
Let consider
\begin{thebibliography}{999} \addcontentsline{toc}{chapter}{Bibliography}
\footnotesize
\newpage
%%%%%%%%%%%-A-%%%%%%%%%%%%%
\bibitem{axlupol}{O. Axelsson, H. Lu, B. Polman,} {On the numerical radius of matrices and its application to iterative solution methods,} Linear Multilinear Algebra 37 (1994) 225-238.
\end{thebibliography}
\end{document}
编译后，我得到了大写的“参考书目”一词。
我想要以小写字母获取单词“Bibliography”。
答案1
\nouppercase您可以通过添加左标题的定义来使标题变为小写。
另外，如果你查看文档中产生的警告，它会告诉你\headheight is too small (12.0pt): Make it at least 14.49998pt.
我的个人观点：我发现将章节名称放在左侧而将页码放在背面的右侧是非常不寻常的。
\documentclass[12pt,a4paper]{report}
\usepackage{fancyhdr}
\pagestyle{fancy}
\rhead{\textbf{\thepage}}
\lhead{\textsl{\nouppercase{\leftmark}}}%
\setlength{\headheight}{14.5pt}
\begin{document}
\begin{thebibliography}{999}
\newpage
\bibitem{axlupol}{O. Axelsson, H. Lu, B. Polman,} {On the numerical radius of matrices and its application to iterative solution methods,} Linear Multilinear Algebra 37 (1994) 225-238.
\end{thebibliography}
\end{document}
问题的完整代码：
\documentclass[12pt,a4paper]{report}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Useful Packages %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%---------------------math---------------------------------------
\usepackage{amssymb,amsmath,amsthm,latexsym,mathrsfs,amsfonts,dsfont}
\usepackage{mathtools, nccmath} % new extention de amsmath
%---------------------divers---------------------------------------
\usepackage{pifont} %ding
\usepackage{fancybox} %pour faire l'encadrement
\usepackage{graphicx}
\usepackage{color}
\usepackage[final]{pdfpages}
\usepackage{url}
%\usepackage[notref,notcite]{showkeys}
\usepackage{fancyvrb}
\VerbatimFootnotes % allows verbatim text in footnotes
%-------------------------hyperref------------------------------
\usepackage{setspace}
%\usepackage[colorlinks=true,pagebackref=true]{hyperref}
%\usepackage[colorlinks=true]{hyperref}
%\hypersetup{urlcolor=blue, citecolor=red , linkcolor= blue}
%------------
%--------------------------accent-------------------------
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
%---------------------------------------------------------
%-------réduire le mot reference----------
\usepackage{etoolbox}
\patchcmd{\thebibliography}{\section}{\subsection}{}{}
%------
%------minimiser l'espace entre les reference----
\makeatletter
\g@addto@macro\@openbib@code{\setlength{\itemsep}{0pt}}
\makeatother
%-----------------
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%Style des titres%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%-------------------------------------------
\usepackage{sectsty}
\allsectionsfont{\sffamily}
%---- Dimensions des marges --------------------
\usepackage{geometry}
\geometry{left=3cm,right=2cm,top=2.5cm,bottom=2cm}
\usepackage{setspace}
\onehalfspacing
%---------------------écriture foncé-----------
%\usepackage{mathptmx} % pour avoir une écriture bien foncée
%\usepackage{helvet}
%----------------------------------------------
%-----------------------------------------------------------
\newtheorem{theorem}{Theorem}[section]
\newtheorem{definition}{Definition}[section]
\newtheorem{definitions}{Definitions}[section]
\newtheorem{notation}{Notation}[section]
\newtheorem{corollary}{Corollary}[section]
\newtheorem{proposition}{Proposition}[section]
\newtheorem{lemma}{Lemma}[section]
\newtheorem{remark}{Remark}[section]
\newtheorem{example}{Example}[section]
\newtheorem{examples}{Examples}[section]
\numberwithin{equation}{section}
%-----------
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\renewcommand{\qedsymbol}{$\blacksquare$}
\let\origproofname\proofname
\renewcommand{\proofname}{\upshape\bfseries\origproofname}
\newenvironment{dem}{{\noindent {\bf Sketch of Proof.}}}{\hfill {\rule{2mm}{2mm}}}
\newenvironment{pr}{{\noindent {\bf Second Proof of}}}{\hfill {\rule{3mm}{3mm}}}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%-----------------------------head and foot--------------------------------
\usepackage{fancyhdr}
\pagestyle{fancy}
\renewcommand{\chaptermark}[1]{\markboth{#1}{}}
\renewcommand{\sectionmark}[1]{\markright{\thesection\ #1}}
\fancyhf{} % supprime les en-têtes et pieds pr\'ed\'efinis
\fancyhead[L,R]{\bfseries\thepage}% Left Even, Right Odd
\fancyhead[L]{\bfseries\rightmark} % Left Odd
\fancyhead[R]{\bfseries\leftmark} % Right Even
\fancyfoot[LE,RO]{\textbf{ }} %ici ecrire cooperate
\renewcommand{\headrulewidth}{1.pt}% filet en haut de page
\renewcommand{\footrulewidth}{0.pt}% filet en bas de page
\newcommand{\clearemptydoublepage}{%
\newpage{\pagestyle{plain}\cleardoublepage}}
\rhead{\textbf{\thepage}} %{\textsl{\rightmark}}
\lhead{\textsl{\nouppercase{\leftmark}}}%{\textbf{\thepage}}
\lfoot{\footnotesize{\textbf{}}} % titre de la these
\setlength{\headheight}{14.5pt}
%-------------------------------------------------------------
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%-------Chapter style-------------------------------------------------
\usepackage{titlesec}
\usepackage{tabularx}
\titleformat{\chapter}[display]{\filcenter\Huge\scshape\bfseries}{\begin{tabularx}{\textwidth}{@{}XcX@{}}\titlerule[5pt]& \large\mdseries\raisebox{-1.05ex}{\chaptername\enspace\arabic{chapter}} & \titlerule[5pt]\end{tabularx}}{-1ex}{\hrule\vspace{1ex} }[\vspace{0.75ex}\endgraf\hrule]
\titlespacing*{\chapter}{0pt}{-8ex}{20ex}
\titleformat{name=\chapter, numberless}[display]{\filcenter\Huge\bfseries}%
{\titlerule[5pt]}{-2.2ex}{\hrule\vspace{1.5ex}}[\vspace{0.75ex}\endgraf\hrule]
%-----------This chapter contains--------------
\usepackage{etoc}
\usepackage{blindtext}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%-------------------------
%\pagestyle{plain} % les numérotations en pieds de page
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%\begin{document}%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{document}
\newpage
Let consider
\begin{thebibliography}{999} \addcontentsline{toc}{chapter}{Bibliography}
\footnotesize
\newpage
%%%%%%%%%%%-A-%%%%%%%%%%%%%
\bibitem{axlupol}{O. Axelsson, H. Lu, B. Polman,} {On the numerical radius of matrices and its application to iterative solution methods,} Linear Multilinear Algebra 37 (1994) 225-238.
\end{thebibliography}
\end{document}