<p></p><p></p><p>给你个例子你照猫画虎吧~</p><p><img src="/data/ueditor/php/upload/image/20190822/1566488361321504.png" title="1566488361321504.png" alt="2.png"/></p><pre class="brush:plain;toolbar:false">\documentclass{article}
\usepackage{subcaption}
\DeclareCaptionSubType*[Alph]{table}
\DeclareCaptionLabelFormat{mystyle}{Table~\bothIfFirst{#1}{ ̃}#2}
\captionsetup[subtable]{labelformat=mystyle}
\begin{document}
\begin{table}[hbp!]
\centering
\label{TestTable}
\begin{subtable}{\textwidth}
\centering
\caption{Describe contents of Table 1.A}
\begin{tabular}{|c|c|c|c|c|c|}
\hline
Recom Strength & Highest Idos Risk & 2nd Highest & Middle & 2nd Lowest & Lowest \\
\hline
1 & -0.41 & -0.07 & 1.27 & -0.78 & 0.73 \\
\hline
2 & -0.85 & -1.88 & 0.01 & 0.75 & 2.32 \\
\hline
3 & -0.48 & -1.0 & -0.56 & 0.47 & 1.01 \\
\hline
4 & 0.04 & 0.76 & 1.34 & 1.78 & -1.27 \\
\hline
5 & -1.35 & -1.52 & 0.04 & 1.23 & 0.51 \\
\hline
\end{tabular}
\end{subtable}
\begin{subtable}{\textwidth}
\centering
\caption{Describe contents of Table 1.B}
\begin{tabular}{|c|c|c|c|c|c|}
\hline
Recom Strength & Highest Idos Risk & 2nd Highest & Middle & 2nd Lowest & Lowest \\
\hline
1 & -0.41 & -0.07 & 1.27 & -0.78 & 0.73 \\
\hline
2 & -0.85 & -1.88 & 0.01 & 0.75 & 2.32 \\
\hline
3 & -0.48 & -1.0 & -0.56 & 0.47 & 1.01 \\
\hline
4 & 0.04 & 0.76 & 1.34 & 1.78 & -1.27 \\
\hline
5 & -1.35 & -1.52 & 0.04 & 1.23 & 0.51 \\
\hline
\end{tabular}
\end{subtable}%
\end{table}
\end {document}</pre><p><br/></p><p>其实,你打开个搜索引擎,然后搜索:`how to set table title such as TABLE 1.A TABLE.B in latex`,自行忽略我的垃圾英语,然后第一个里面就有。(英语配合搜索引擎,能解决绝大多数问题)</p><p><img src="/data/ueditor/php/upload/image/20190822/1566488372477584.png" title="1566488372477584.png" alt="3.png"/></p><p>参考网址:<a href="https://tex.stackexchange.com/questions/82222/change-caption-in-table-from-table-2-to-table-1a">https://tex.stackexchange.com/questions/82222/change-caption-in-table-from-table-2-to-table-1a</a></p><p></p><p></p>