我使用了此处发布的代码线突出显示表格中的单元格:
\documentclass[xcolor=table]{beamer}
\rowcolors{1}{gray!30}{gray!10}
\makeatletter
\def\rowcolor{\noalign{\ifnum0=`}\fi\bmr@rowcolor}
\newcommand<>{\bmr@rowcolor}{%
\alt#1%
{\global\let\CT@do@color\CT@@do@color\@ifnextchar[\CT@rowa\CT@rowb}%
{\ifnum0=`{\fi}\@gooble@rowcolor}%
}
\newcommand{\@gooble@rowcolor}[2][]{\@gooble@rowcolor@}
\newcommand{\@gooble@rowcolor@}[1][]{\@gooble@rowcolor@@}
\newcommand{\@gooble@rowcolor@@}[1][]{\ignorespaces}
\makeatother
\makeatletter
\def\cellcolor{{\ifnum0=`}\fi\bmr@cellcolor}
\newcommand<>{\bmr@cellcolor}{%
\alt#1%
{\global\let\CT@do@color\CT@@do@color\@ifnextchar[\CT@rowa\CT@rowb}%
{\ifnum0=`{\fi}\@gooble@cellcolor}%
}
\newcommand{\@gooble@cellcolor}[2][]{\@gooble@cellcolor@}
\newcommand{\@gooble@cellcolor@}[1][]{\@gooble@cellcolor@@}
\newcommand{\@gooble@cellcolor@@}[1][]{\ignorespaces}
\makeatother
\begin{document}
\begin{frame}{The MWE}%
\only<2>{\rowcolors{1}{blue!30}{blue!10}}
\only<1,3>{\rowcolors{1}{gray!30}{gray!10}}
\begin{center}
\begin{tabular}{cc}
A & B \\
A & B \\
A & B \\
\rowcolor<4>{green} C & D \\
\rowcolor<4,5>{yellow} E & F \\
\rowcolor<4-6>{green} G & H \\
\rowcolor<6>{red} Y & S \\
A & B \\
\end{tabular}
\end{center}
\par
\visible<1>{Testing default row colouring ... \\}
\visible<2,3>{Testing change of default colors ...\\}
\visible<4-6>{Testing in-out of custom colors ...\\ (caution: The order of defaults colors can change)\\}
\vfill
\scriptsize{
Based of answer of Martin Scharrer
\url{https://tex.stackexchange.com/questions/18427/why-cant-i-wrap-rowcolor-in-only-beamer}}
\end{frame}
\begin{frame}{Cell Coloring with In-out Effects}
\begin{center}
\begin{tabular}{cc}
A & B \\
C & \cellcolor<3>{green} C \\
D & E \\
F & G \\
\end{tabular}
\end{center}
\end{frame}
\end{document}
但如果我把最后一帧改成
\begin{frame}{Cell Coloring with In-out Effects}
\begin{center}
\begin{tabular}{cc}
A & B \\
\cellcolor<3>{green} C & C \\
D & E \\
F & G \\
\end{tabular}
\end{center}
\end{frame}
然后整个第二行都会突出显示。有人能告诉我如何重新定义上面的 \cellcolor 以确保只有一个单元格会突出显示吗?