标题不显示

标题不显示

我正在尝试使用 LaTeX 为我的论文制作标题页,但什么都没有出现。我读过其他问题,但仍然无法正确完成。我所做的是:

      \documentclass[reqno]{article}
\usepackage{amsmath,amsthm,amsfonts}
\usepackage{empheq}

\usepackage{lipsum} 
\usepackage{caption}
\usepackage[utf8]{inputenc}
\usepackage[capposition=top]{floatrow}
\usepackage[table]{xcolor}
\definecolor{myblue}{rgb}{.8, .8, 1}
\usepackage{amssymb} 
\usepackage{multirow}
\usepackage{graphicx}
\usepackage{bm}
\usepackage{mathcomp}

\usepackage[table]{xcolor}
\usepackage{pdfpages}
\usepackage{amsmath,esint}
\usepackage[utf8]{inputenc}
\usepackage[english]{babel}


\usepackage[T1]{fontenc}
\usepackage[colorlinks]{hyperref}
\usepackage{tensor}

\usepackage{atbegshi}
\usepackage{esvect}
\usepackage{titlesec}
\usepackage{listings}
\usepackage[margin=1in]{geometry}

\usepackage{float}
\usepackage{minitoc}
\usepackage{booktabs}
\usepackage{apacite}
\usepackage{nomencl}
\newlength\mytemplen
\newsavebox\mytempbox

\makeatletter
\newcommand\mybluebox{%
    \@ifnextchar[%]
       {\@mybluebox}%
       {\@mybluebox[0pt]}}

\def\@mybluebox[#1]{%
    \@ifnextchar[%]
       {\@@mybluebox[#1]}%
       {\@@mybluebox[#1][0pt]}}

\def\@@mybluebox[#1][#2]#3{
    \sbox\mytempbox{#3}%
    \mytemplen\ht\mytempbox
    \advance\mytemplen #1\relax
    \ht\mytempbox\mytemplen
    \mytemplen\dp\mytempbox
    \advance\mytemplen #2\relax
    \dp\mytempbox\mytemplen
    \colorbox{myblue}{\hspace{1em}\usebox{\mytempbox}\hspace{1em}}}
    \makeatother

\newcommand*\widefbox[1]{\fbox{\hspace{2em}#1\hspace{2em}}}
\newcommand{\vhtable}{\rule{30pt}{30pt}}
\newcommand{\eps}{\varepsilon}
\newcommand{\bU}{\mathbf{U}}
\newcommand{\bH}{\mathbf{H}}
\newcommand{\uvec}[1]{\boldsymbol{\hat{\textbf{#1}}}}
\newcommand{\sgn}{\text{sgn}}
\newcommand{\pw}{p^w}
\newcommand{\epsw}{\varepsilon^w}
\def\R{\mathbb{R}}
\def\N{\mathbb{N}}
\newcommand{\ud}{u^{\delta}}
\newcommand{\vect}[1]{\boldsymbol{#1}}
\newcommand{\md}{m^{\delta}}
\newcommand{\nd}{n^{\delta}}
\newcommand{\psid}{\psi_{\delta}}
\newcommand{\cde}{c^{\delta}}
\newcommand*\VF[1]{\mathbf{#1}}
\newcommand*\dif{\mathop{}\!\mathrm{d}}
\newcommand*{\captionsource}[2]{%
  \caption[{#1}]{%
    #1%
    \\\hspace{\linewidth}%
    \textbf{Source:} #2%
  }%
}
\newcommand\citecolor[1]{\@namedef{keycolor#1}{\color{black}}}
\newcommand{\mde}{m^{\delta}}
\newcommand{\nde}{n^{\delta}}
\newcommand{\ude}{u^{\delta}}
\newlength\dlf  
\newcommand\alignedbox[2]{

{
\settowidth\dlf{$\displaystyle #1$}  

\addtolength\dlf{\fboxsep+\fboxrule}  

\hspace{-\dlf}  

\boxed{#1 #2}

}
}
\newcommand\MyTabHeadings{% 
\rowcolor{Tab}\rowstyle{\bfseries\color{white}}}
\newcommand{\mT}{\widetilde{m}}
\renewcommand{\arraystretch}{2}
\renewcommand{\thesection}{\arabic{section}}
\newtheorem{deff}{Definition}[section]
\newtheorem{thm}{Theorem}[section]
\newtheorem{remark}{Remark}[section]
\newtheorem{lem}{Lemma}[section]
\newtheorem{prop}{Proposition}[section]
\newtheorem{cor}{Corollary}[section]
\titleformat{\chapter}{\LARGE\bfseries}{\thechapter.\ }{0em}{}
\AtBeginDocument{\AtBeginShipoutNext{\AtBeginShipoutDiscard}}
\makeatletter

\newcommand*{\@rowstyle}{}

\newcommand*{\rowstyle}[1]{
  \gdef\@rowstyle{#1}
  \@rowstyle\ignorespaces
}

\newcolumntype{=}{
  >{\gdef\@rowstyle{}}
}

\newcolumntype{+}{
  >{\@rowstyle}
}

\makeatletter
\AtBeginDocument{
  \let\nl@org@contentsline\contentsline
  \def\contentsline#1{
    \def\nl@current@levelname{#1}
    \nl@org@contentsline{#1}
  }%
}


\protected\def\numberline#1{%
  \begingroup
    \edef\nl@align{%
      nl@align@%
      \@ifundefined{nl@current@levelname}{}{\nl@current@levelname}%
    }%
    \edef\nl@align{%
      \@ifundefined{\nl@align}\nl@align@{\csname\nl@align\endcsname}%
    }%
    \@ifundefined{nl@numberline@\nl@align}{%
      \errmessage{Unknown alignment '\nl@align' for \noexpand\numberline}%
      \nl@numberline@l{#1}%
    }{%
      \csname nl@numberline@\nl@align\endcsname{#1}%
    }%
  \endgroup
}


\newcommand*{\nl@numberline@l}[1]{
  \hb@xt@\@tempdima{#1 \hfil}%
}
\newcommand*{\nl@numberline@c}[1]{% 
  \hb@xt@\@tempdima{\hfil#1 \hfil}%
}
\newcommand*{\nl@numberline@r}[1]{% 
  \hb@xt@\@tempdima{\hfil#1 }%
}


\def\nl@align@{l}
\def\nl@align@section{r}

\makeatletter    

\makeatother

\makeatletter    


\definecolor{lightgray}{gray}{0.9}
\makenomenclature
\makeglossary
\makeatletter

\setcounter{tocdepth}{3}


\AtBeginDocument{%
\expandafter\newcommand\csname r@tocindent0\endcsname{0pt}
}
\makeatother

\makeatother



\begin{document}

\title{title name}
\author{My name}
\date{Spring 2017}
\maketitle
\newpage


\begin{abstract}
\normalsize
Abstract
\end{abstract}



 \newpage
    {
      \hypersetup{linkcolor=black}
      \tableofcontents
    \clearpage
    }

    \makeatletter
    \let\toc@pre\relax
    \let\toc@post\relax
    \makeatother
\section{\textbf{Introduction}}

\end{document}

但它没有在我的 LaTeX 文档中显示任何内容。我正在使用article文档类。

有人知道我应该做些什么不同的事情吗?

答案1

下面提到的几行导致了这个问题,

\usepackage{titlesec}
\titleformat{\chapter}{\LARGE\bfseries}{\thechapter.\ }{0em}{}
\AtBeginDocument{\AtBeginShipoutNext{\AtBeginShipoutDiscard}}

通过注释这些行,标题文本会出现在输出中

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