%!TEX TS-program = XeLaTeX
\documentclass{book}
\usepackage{ctex}
\usepackage{titlesec}
\usepackage{xcolor,colortbl}
\usepackage{tgpagella}
\usepackage[T1]{fontenc}
\definecolor{titlecolor}{rgb}{0.503906,0.503906,0.734375}
\newcommand{\hwyk}{\heiti}
\newcommand{\mytitle}[1]{
\begin{tabular}{p{0.01\textwidth}p{0.99\textwidth}}
\cellcolor{black} &\cellcolor{titlecolor} \textcolor{white}
{\newline\hwyk \LARGE 第\ \thechapter \ 章 \ \ #1}
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\arrayrulewidth=0.4pt
}
\newcommand{\mysection}[1]{
\setlength\arrayrulewidth{1pt}\arrayrulecolor{titlecolor}
\begin{tabular}{p{0.01\textwidth}p{0.99\textwidth}}
\hline
\cellcolor{titlecolor} & \textcolor{black}{\hwyk \LARGE \thesection ~ #1}
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\arrayrulewidth=0.4pt
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{}{0mm}{\hspace{-0.4cm}\mytitle}
\titleformat{\section}[hang]{\hwyk \LARGE \sffamily}
{}{0mm}{\hspace{-0.5cm}\mysection}
\titlespacing{\chapter}
{0pc}{1.5ex plus .1ex minus .2ex}{.2pc}
\begin{document}
\tableofcontents
\chapter{熟悉 \LaTeX }
提到 \LaTeX ，便不能不说起它的基础 \TeX
\section{基本介绍}
\LaTeX 是一种基于 \TeX 的文档排版系统。
\end{document}
