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\tikzmark 在 \foreach 循环问题中

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\tikzmark 在 \foreach 循环问题中

\tikzmark在循环中的使用\foreach会导致以下错误消息：

! 未定义的控制序列。\tikzmark ...reid \@undefined \let \tikzmark@next =\tikzmark@outside \else > ...

l.45 \TabTikzMark*{3} \hline

使用以下代码：

\documentclass{article}
\usepackage{tikz,array,xparse}

\usetikzlibrary{tikzmark}

\newcounter{TabTikzCount}

\makeatletter

\NewDocumentCommand{\TabTikzMark}{sm}{%
    \IfBooleanTF{#1}{%
        \\[-\ht\@arstrutbox]\noalign{\setcounter{TabTikzCount}{1}}%
        \Row{3}
        \\[-\dp\@arstrutbox]%
        }{%
        \\[-\ht\@arstrutbox]
        \Row{3}
        \\[-\dp\@arstrutbox]}}

\makeatother

\newcommand{\Row}[1]{
    \xdef\MyRow{{\Alph{TabTikzCount}0}}
    \foreach \n [evaluate=\n as \m using int(\n-1)] in {2,...,#1} {%
    %\xdef\MyRow{\MyRow\strut\hfill\Alph{TabTikzCount}\m&}
    \xdef\MyRow{\MyRow\strut\hfill\tikzmark{\Alph{TabTikzCount}\m}&}
    }%
    %\MyRow\hfill\Alph{TabTikzCount}#1%
    \MyRow\hfill\tikzmark{\Alph{TabTikzCount}#1}%
    \stepcounter{TabTikzCount}}

\begin{document}


essai

\begin{tabular}{|c|c|c|}
\TabTikzMark*{3}\hline
a&z&a\TabTikzMark{3}\hline
a&z&a\TabTikzMark{3}\hline
\end{tabular}

essai

\tikz[overlay,remember picture]\draw[->] (pic cs:A1) -- (pic cs:B2) ;

\end{document}

答案1

这样可以避免预扩展\tikzmark并且运行时不会出现错误，但你没有说出你想要的结果，我不确定这是否是预期的输出

\documentclass{article}
\usepackage{tikz,array,xparse}

\usetikzlibrary{tikzmark}

\newcounter{TabTikzCount}

\makeatletter

\NewDocumentCommand{\TabTikzMark}{sm}{%
    \IfBooleanTF{#1}{%
        \\[-\ht\@arstrutbox]\noalign{\setcounter{TabTikzCount}{1}}%
        \Row{3}
        \\[-\dp\@arstrutbox]%
        }{%
        \\[-\ht\@arstrutbox]
        \Row{3}
        \\[-\dp\@arstrutbox]}}

\makeatother

\newcommand{\Row}[1]{%
    \xdef\MyRow{{\Alph{TabTikzCount}0}}%
    \foreach \n [evaluate=\n as \m using int(\n-1)] in {2,...,#1} {%
    \let\tikzmark\relax
    %\xdef\MyRow{\MyRow\strut\hfill\Alph{TabTikzCount}\m&}%
    \xdef\MyRow{\MyRow\strut\hfill\tikzmark{\Alph{TabTikzCount}\m}&}%
    }%
    %\MyRow\hfill\Alph{TabTikzCount}#1%
    \MyRow\hfill\tikzmark{\Alph{TabTikzCount}#1}%
    \stepcounter{TabTikzCount}}

\begin{document}


essai

\begin{tabular}{|c|c|c|}
\TabTikzMark*{3}\hline
a&z&a\TabTikzMark{3}\hline
a&z&a\TabTikzMark{3}\hline
\end{tabular}

essai

\tikz[overlay,remember picture]\draw[->] (pic cs:A1) -- (pic cs:B2) ;

\end{document}

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