将列居中，同时应用相等的宽度

Question

\documentclass[12pt]{article}
\usepackage[a4paper]{geometry}
\usepackage{booktabs}
\usepackage{threeparttable}
\usepackage{caption}
\usepackage{array}
\makeatletter
\g@addto@macro{\endtabular}{\rowfont{}}% Clear row font
\makeatother
\newcommand{\rowfonttype}{}% Current row font
\newcommand{\rowfont}[1]{% Set current row font
\gdef\rowfonttype{#1}#1%
}
\newcolumntype{L}{>{\rowfonttype}l}
\newcolumntype{C}{>{\rowfonttype}c}
\begin{document}
\begin{table}[h]
\begin{threeparttable}
    \footnotesize\caption{\footnotesize AAR,CAAR}
            \captionsetup{justification=justified, singlelinecheck=true}
    \begin{tabular}{C@{\hspace{1cm}}*{6}{p{.125\textwidth}}}
        \toprule
        & \multicolumn{2}{c}{Phase 1} &  \multicolumn{2}{c}{Phase 2} & \multicolumn{2}{c}{Phase 3} \\
        \cmidrule(lr){2-3}\cmidrule(lr){4-5}\cmidrule(lr){6-7}
        Day & AAR & CAAR &  AAR & CAAR & AAR & CAAR\\ 
        \midrule
        $-10$   & 0.00029 & 0.00029 & $-0.00077$ &  $-0.00077$& $-0.00116$ & $-0.00116$ \\
                & (0.09) &  (0.09) & $(-0.36)$ & $(-0.36)$&$(-0.42)$ &$ (-0.42)$
\bottomrule
    \end{tabular}
    \begin{tablenotes}[para]
        \item[*] $p<0.05$
        \item[**] $p<0.01$
        \item[***] $p<0.001$
    \end{tablenotes}
\end{threeparttable}
\end{table}
\end{document}

你好！我正在尝试将 6 个右列居中，但不知道在这个表达式中将“C”放在哪里：

\begin{tabular}{C@{\hspace{1cm}}*{6}{p{.125\textwidth}}}

我将不胜感激任何帮助！

Answer 1

添加>{\centering\arraybackslash}最后 6 个说明符的字体。但是，表格对于文本宽度来说有点太宽了，因此我使用了一个环境，该环境可以根据表格的总宽度tabularx计算列的宽度。X

\documentclass[12pt]{article}
\usepackage[a4paper,  showframe]{geometry}
\usepackage{booktabs}
\usepackage{threeparttable}
\usepackage{caption}
\usepackage{array,  tabularx}
\makeatletter
\g@addto@macro{\endtabular}{\rowfont{}}% Clear row font
\makeatother
\newcommand{\rowfonttype}{}% Current row font
\newcommand{\rowfont}[1]{% Set current row font
\gdef\rowfonttype{#1}#1%
}
\newcolumntype{L}{>{\rowfonttype}l}
\newcolumntype{C}{>{\rowfonttype}c}

\begin{document}

\begin{table}[!h]
\begin{threeparttable}
    \footnotesize\caption{\footnotesize AAR,CAAR}
            \captionsetup{justification=justified, singlelinecheck=true}
    \begin{tabularx}{\linewidth}{C@{\hspace{1cm}}*{6}{ >{\centering\arraybackslash}X}}
        \toprule
        & \multicolumn{2}{c}{Phase 1} & \multicolumn{2}{c}{Phase 2} & \multicolumn{2}{c}{Phase 3} \\
 \cmidrule(lr){2-3}\cmidrule(lr){4-5}\cmidrule(lr){6-7}
 Day & AAR & CAAR & AAR & CAAR & AAR & CAAR\\ \midrule $-10$ & 0.00029 & 0.00029 & $-0.00077$ & $-0.00077$& $-0.00116$ & $-0.00116$ \\
  & (0.09) & (0.09) & $(-0.36)$ & $(-0.36)$&$(-0.42)$ &$ (-0.42)$ \\
 \bottomrule
    \end{tabularx}
    \begin{tablenotes}[para]
\smallskip
        \item[*] $p<0.05$
        \item[**] $p<0.01$
        \item[***] $p<0.001$
    \end{tablenotes}
\end{threeparttable}
\end{table}

\end{document}