\begin{table}[h!]
\centering



\resizebox{\columnwidth}{!}{%


\begin{tabular}{l|ccccccc}




\end{tabular}
}

\caption{}
\end{table}

在\begin{tabular}前加入\resizebox{\columnwidth}{!}即可让表格自适应

\begin{table}[h!]
\centering



\resizebox{\columnwidth}{!}{%


\begin{tabular}{l|ccccccc}




\end{tabular}
}

\caption{}
\end{table}

在\begin{tabular}前加入\resizebox{\columnwidth}{!}即可让表格自适应