latex表格示例（背景颜色、行距、线粗细、标题、表格长度）_latex表格横线宽度

导入库

\usepackage{colortbl}

代码

\begin{table}[H]
\begin{center}%表格居中
\tabcolsep=1.5cm%表格横向长度
\renewcommand\arraystretch{1.5}%设置表格行间距
\begin{tabular}{cc}
\toprule[2pt]%设置线的宽度
%\specialrule{0em}{3pt}{8pt}%添加一条线，第一个0表示透明
\rowcolor{CornflowerBlue}%设置表格某行的背景色
{\bf Symbol} & {\bf Description} \\%可以后加[0.2cm]的行宽
\midrule[1pt]
$Is$ & Importance %& \quad$\backslash$ 
\\
$Pc/Nc$ &Positive/negative correlation  %& \quad$\backslash$ 
\\
$Rs$ &Relevance %&\quad$\backslash$ 
\\
$Dn$ &Number of dissimilar edges %& \quad$\backslash$ 
\\
$Sn$ &Total Degree %& \quad$\backslash$ 
\\
$Us$ &urgency  %& \quad$\backslash$ 
\\
$\bar{C}$ & Average completion score %& \quad$\backslash$ 
\\
$\bar{T}$ & Completion trend average score %& \quad$\backslash$ 
\\
$PT$ & Completion rate of SDG %& \quad$\backslash$ 
\\
$W/ W_F /W_E$ & Weight %& \quad$\backslash$ 
\\
\bottomrule[2pt]
\end{tabular}
\caption{Symbols Settings}
\end{center}
\end{table}