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如何删除表格中 \midrule 后的空格

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如何删除表格中 \midrule 后的空格

我有一张表格，表格的行都是彩色的。当第一列或最后一列被着色时（如下所示），单元格之前或之后会出现难看的空白。我想删除这个空白（在这张图片中，它只出现在第一行，因为它是彩色的。但当最后一行被着色时，情况也一样。我不想在第一行和最后一行都有这个空白）。

在此处输入图片描述

脚本如下：

%README: this copy with comprehensive attack and defences description.

\documentclass[compsoc, conference, letterpaper, 10pt, times]{IEEEtran}
\ifCLASSOPTIONcompsoc
  % IEEE Computer Society needs nocompress option
  % requires cite.sty v4.0 or later (November 2003)
  \usepackage[nocompress]{cite}
\else
  % normal IEEE

  \usepackage{cite}
\fi
\ifCLASSINFOpdf
\else
\fi

\usepackage{colortbl}       
\usepackage{array}
\usepackage{booktabs}
\usepackage{multirow}
\newcommand{\head}[1]{\textnormal{\textbf{#1}}}
\newcommand{\normal}[1]{\multicolumn{1}{l}{#1}}
\usepackage{amssymb}% http://ctan.org/pkg/amssymb
\usepackage{pifont}% http://ctan.org/pkg/pifont
\newcommand{\cmark}{\ding{51}}%
\newcommand{\xmark}{\ding{55}}%
\newcommand*\rot{\rotatebox{90}}
\usepackage{tabularx}

\usepackage{msc}
\usepackage{xcolor}
\newcommand{\quotes}[1]{``#1''} %for qoutation marks

\DeclareRobustCommand*{\IEEEauthorrefmark}[1]{%
\raisebox{0pt}[0pt][0pt]{\textsuperscript{\footnotesize\ensuremath{#1}}}}

\begin{document}
\title{Test}

\maketitle

\begin{table}
\caption{mytable}
\label{table:mytable}

\begin{tabular}{ l *{45}{c} }

  \toprule
    &   \multicolumn{3}{c}{B} \\
  \cmidrule(lr){2-4}
  \multicolumn{1}{c}{\multirow{-2}{*}[0.5ex]{A}}
    &   AAA & BBB & CCC \\
  \midrule
  \rowcolor[gray]{.9}
  Text1 &   \cmark & \cmark & \cmark \\
  Text2 &   \xmark & \cmark & \xmark \\
  \rowcolor[gray]{.9}
  Text3 &   \cmark & \xmark & \xmark \\
  Text4 &   \cmark & \cmark & \cmark \\
  \bottomrule
\end{tabular}
\end{table}
\end{document}

答案1

在此处输入图片描述

间距可以使用\aboverulesep = 0.605mm（调整除顶部规则之外的所有规则上方的分隔，并且它具有默认值为 0.4ex 或 0.605mm) 和\belowrulesep = 0.984mm(调整除底部规则之外的所有规则下方的分隔，并且它具有默认值为 0.65ex 或 0.984mm）。

如果需要频繁移除分隔符，可以定义\newcommand{\midsepremove}{\aboverulesep = 0mm \belowrulesep = 0mm}和\newcommand{\midsepdefault}{\aboverulesep = 0.605mm \belowrulesep = 0.984mm}移除间距并将其重置为默认值。在tabular环境之前使用\midsepremove，在环境之后使用\midsepdefault。这有助于将间距重置为默认值，并避免普通表格中的行过于拥挤。

%README: this copy with comprehensive attack and defences description.

\documentclass[compsoc, conference, letterpaper, 10pt, times]{IEEEtran}
\ifCLASSOPTIONcompsoc
  % IEEE Computer Society needs nocompress option
  % requires cite.sty v4.0 or later (November 2003)
  \usepackage[nocompress]{cite}
\else
  % normal IEEE

  \usepackage{cite}
\fi
\ifCLASSINFOpdf
\else
\fi

\usepackage{colortbl}       
\usepackage{array}
\usepackage{booktabs}

    % The new commands
    \newcommand{\midsepremove}{\aboverulesep = 0mm \belowrulesep = 0mm}
    \midsepremove
    \newcommand{\midsepdefault}{\aboverulesep = 0.605mm \belowrulesep = 0.984mm}
    \midsepdefault

\usepackage{caption}
\captionsetup{justification=centering}

\usepackage{multirow}
\newcommand{\head}[1]{\textnormal{\textbf{#1}}}
\newcommand{\normal}[1]{\multicolumn{1}{l}{#1}}
\usepackage{amssymb}% http://ctan.org/pkg/amssymb
\usepackage{pifont}% http://ctan.org/pkg/pifont
\newcommand{\cmark}{\ding{51}}%
\newcommand{\xmark}{\ding{55}}%
\newcommand*\rot{\rotatebox{90}}
\usepackage{tabularx}

\usepackage{msc}
\usepackage{xcolor}
\newcommand{\quotes}[1]{``#1''} %for qoutation marks

\DeclareRobustCommand*{\IEEEauthorrefmark}[1]{%
\raisebox{0pt}[0pt][0pt]{\textsuperscript{\footnotesize\ensuremath{#1}}}}

\begin{document}
\title{Test}

\maketitle

\begin{table}
\caption{mytable}
\label{table:mytable}
\centering

\midsepremove
\begin{tabular}{ l *{45}{c} }

  \toprule
    &   \multicolumn{3}{c}{B} \\
  \cmidrule(lr){2-4}
  \multicolumn{1}{c}{\multirow{-2}{*}[0.5ex]{A}}
    &   AAA & BBB & CCC \\
  \midrule
  \rowcolor[gray]{.9}
  Text1 &   \cmark & \cmark & \cmark \\
  Text2 &   \xmark & \cmark & \xmark \\
  \rowcolor[gray]{.9}
  Text3 &   \cmark & \xmark & \xmark \\
  Text4 &   \cmark & \cmark & \cmark \\
  \bottomrule
\end{tabular}
\midsepdefault

\end{table}
\end{document}

无关：用于\centering将表格置于标题下方的中心。此外，还用于\captionsetup{justification=centering}更好地处理浮动标题的位置。

答案2

您可以通过以下 \midrule方式进行更改：\specialrule{.4pt}{2pt}{0pt}\bottomrule\specialrule{.8pt}{0pt}{2pt}

姆韦

答案3

在此处输入图片描述

使用cellspace包为S列类型添加属性并将上方和下方的设置booktabs规则空间设置为零：

\documentclass[compsoc, conference, letterpaper, 10pt, times]{IEEEtran}

\usepackage{pifont}
\newcommand{\cmark}{\ding{51}}%
\newcommand{\xmark}{\ding{55}}%

\usepackage[table]{xcolor}
\usepackage{booktabs, cellspace, multirow}
\setlength\aboverulesep{0pt}
\setlength\belowrulesep{0pt}
\setlength\cellspacetoplimit{3pt}
\setlength\cellspacebottomlimit{3pt}

\begin{document}
    \begin{table}
    \centering
\caption{Table title}
    \label{tab:my important table}
\rowcolors{2}{}{gray!20}
\begin{tabular}{ l *{4}{Sc} }
  \toprule
    &   \multicolumn{3}{Sc}{B} \\
  \cmidrule(lr){2-4}
  \multicolumn{1}{c}{\multirow{-2}{*}[1.5pt]{A}}
    &   AAA & BBB & CCC \\
  \midrule
  Text1 &   \cmark & \cmark & \cmark \\
  Text2 &   \xmark & \cmark & \xmark \\
  Text3 &   \cmark & \xmark & \xmark \\
  Text4 &   \cmark & \cmark & \cmark \\
  \bottomrule
\end{tabular}
    \end{table}
\end{document}

答案4

一个简单的解决方案与booktabs环境tabularray包：行颜色按预期工作。

请注意，您需要将修剪选项lr放在方括号中。

\documentclass{article}

\usepackage{xcolor}       
\usepackage{tabularray}
\UseTblrLibrary{booktabs}

\usepackage{pifont}% http://ctan.org/pkg/pifont
\newcommand{\cmark}{\ding{51}}%
\newcommand{\xmark}{\ding{55}}%

\begin{document}

\begin{table}
\centering
\caption{mytable}
\label{table:mytable}
\begin{booktabs}{
  colspec = {l*{3}{c}},
  cell{1}{1} = {r=2}{c}, % multirow
  cell{1}{2} = {c=3}{c}, % multicolumn
}
  \toprule
        A &   B      &        &        \\
  \cmidrule[lr]{2-4}
          &   AAA    & BBB    & CCC    \\
  \midrule
  \SetRow{gray9}
    Text1 &   \cmark & \cmark & \cmark \\
    Text2 &   \xmark & \cmark & \xmark \\
  \SetRow{gray9}
    Text3 &   \cmark & \xmark & \xmark \\
    Text4 &   \cmark & \cmark & \cmark \\
  \bottomrule
\end{booktabs}
\end{table}

\end{document}

在此处输入图片描述

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