\documentclass{article}
\usepackage{array}

\begin{document}

\begin{table}[h!]
\centering
\begin{tabular}{|c|c|c|c|}
\hline
  & A & B & C \\ \hline
1 &   &   &   \\ \hline
2 &   &   &   \\ \hline
3 &   &   &   \\ \hline
\end{tabular}
\caption{您的LaTeX表格}
\label{tab:my_latex_table}
\end{table}

\end{document}

\begin{figure}[h]
    \centering
    \includegraphics[width=0.5\textwidth]{file}
    \caption{Caption for the figure.}
    \label{fig:my_label}
\end{figure}