Overleaf latex绘制三线表

在\begin{document}前加入以下内容

\usepackage{array}%需要用到该宏包
\usepackage{footnote}
\makesavenoteenv{tabular}

示例：

\begin{table}[!htbp]
\caption{Trajectory Via Points of Terrestrial Mode}
\label{table:1}
\begin{center}
\begin{tabular}{ >{\centering\arraybackslash}m{1.2cm} 
>{\centering\arraybackslash}m{1.2cm} 
>{\centering\arraybackslash}m{1.2cm} 
>{\centering\arraybackslash}m{1.2cm}}
 \hline
 State &Time  &  $\phi_d$ (rad)&  $\psi_d$(rad) \\ 
 \hline
 1 & 0 & 0 & 0\\ 
 2 & $T_s/3$ & $\pi$ & $\pi /6$\\ 
 3 &  $2T_s/3$ & $3\pi$ & $\pi /2$\\ 
 4 &  $T_s$  & $6\pi$ & $\pi$\\ 
\hline
\end{tabular}
\end{center}
\end{table}

效果如下：