我需要在有换行符的单元格前面添加垂直线，以明确大单元格的内容对应哪一行。但是，这些线不能跨越整个单元格高度，因为如果两个连续的单元格有换行符，线就会接触。
这是 MWE
\documentclass{article}
\usepackage{array}
\usepackage{multirow}
\usepackage{booktabs}
\usepackage{xtab}
\usepackage[table,xcdraw]{xcolor}
% to make specific-length columns
\newcommand{\PreserveBackslash}[1]{\let\temp=\\#1\let\\=\temp}
\newcolumntype{L}[1]{>{\PreserveBackslash\raggedright}m{#1}}
\newcolumntype{C}[1]{>{\PreserveBackslash\centering}m{#1}}
\newcolumntype{R}[1]{>{\PreserveBackslash\raggedleft}m{#1}}
% example: C{0.5\textwidth}
\begin{document}
\begin{table}[]
\footnotesize
\begin{tabular}{@{}lL{0.2\textwidth}llrlllllllllll@{}}
\toprule
\textbf{Stuff} & \textbf{Other stuff} & 4.B & 4.D & \multicolumn{1}{l}{5} & 5.A & 5.B & 5.D & 5.E & 5.F \\ \midrule
This text & short text & & & \cellcolor[HTML]{DC7878}15 & & \multicolumn{1}{r}{\cellcolor[HTML]{EDA9A9}7} & & & \\
That text & Some longer text that splits & & & \cellcolor[HTML]{F1BDBD}3 & & & & & \\
\rowcolor[HTML]{FFF2CC}
Red text & Even loooonger text that splits, maybe even more than once & & & \cellcolor[HTML]{F1BDBD}3 & & & & & \\
\rowcolor[HTML]{FFF2CC}
Blue text & Some long text once again that splits & & & \cellcolor[HTML]{F1BDBD}3 & & & & & \\
Up text & blah blah blah, again text here & & & \multicolumn{1}{l}{} & & & \multicolumn{1}{r}{\cellcolor[HTML]{F3C7C7}1} & & \multicolumn{1}{r}{\cellcolor[HTML]{F3C7C7}1} \\
Down text & text. & & & \multicolumn{1}{l}{} & & & \multicolumn{1}{r}{\cellcolor[HTML]{F3C7C7}1} & & \multicolumn{1}{r}{\cellcolor[HTML]{F3C7C7}1} \\
\bottomrule
\end{tabular}
\end{table}
\end{document}
由此得出下表：
我目前的猜测是用来multicol添加线条分隔，但如上所述，这会连接如下所示的连续垂直线，而这并不是我想要的。
具有多列行的表格的代码：
\begin{table}[]
\footnotesize
\begin{tabular}{@{}lL{0.2\textwidth}llrlllllllllll@{}}
\toprule
\textbf{Stuff} & \textbf{Other stuff} & 4.B & 4.D & \multicolumn{1}{l}{5} & 5.A & 5.B & 5.D & 5.E & 5.F \\ \midrule
This text & short text & & & \cellcolor[HTML]{DC7878}15 & & \multicolumn{1}{r}{\cellcolor[HTML]{EDA9A9}7} & & & \\
That text & \multicolumn{1}{|L{0.2\textwidth}}{Some longer text that splits} & & & \cellcolor[HTML]{F1BDBD}3 & & & & & \\
\rowcolor[HTML]{FFF2CC}
Red text & \multicolumn{1}{|L{0.2\textwidth}}{Even loooonger text that splits, maybe even more than once} & & & \cellcolor[HTML]{F1BDBD}3 & & & & & \\
\rowcolor[HTML]{FFF2CC}
Blue text & Some text & & & \cellcolor[HTML]{F1BDBD}3 & & & & & \\
Up text & \multicolumn{1}{|L{0.2\textwidth}}{blah blah blah, again text here} & & & \multicolumn{1}{l}{} & & & \multicolumn{1}{r}{\cellcolor[HTML]{F3C7C7}1} & & \multicolumn{1}{r}{\cellcolor[HTML]{F3C7C7}1} \\
Down text & text. & & & \multicolumn{1}{l}{} & & & \multicolumn{1}{r}{\cellcolor[HTML]{F3C7C7}1} & & \multicolumn{1}{r}{\cellcolor[HTML]{F3C7C7}1} \\
\bottomrule
\end{tabular}
\end{table}
怎样才能使垂直线更短？
免责声明：我知道垂直线是魔鬼（因此，有了书页标签）。如果您有更好的想法来澄清行分隔，同时在页面长度的表格中设置一些具有特定背景颜色的行，我很乐意提出建议...
答案1
借助{NiceTabular}，nicematrix您可以随时使用 中的 TikZ\CodeAfter和 创建的 PGF/TikZ 节点绘制您想要的任何规则nicematrix。
\documentclass{article}
\usepackage{nicematrix,tikz}
\usepackage{booktabs}
% to make specific-length columns
\newcommand{\PreserveBackslash}[1]{\let\temp=\\#1\let\\=\temp}
\newcolumntype{L}[1]{>{\PreserveBackslash\raggedright}m{#1}}
\newcolumntype{C}[1]{>{\PreserveBackslash\centering}m{#1}}
\newcolumntype{R}[1]{>{\PreserveBackslash\raggedleft}m{#1}}
\begin{document}
\begin{table}
\footnotesize
\begin{NiceTabular}{@{}lL{0.2\textwidth}llrlllll@{}}[color-inside]
\toprule
\textbf{Stuff} & \textbf{Other stuff} & 4.B & 4.D & \multicolumn{1}{l}{5} & 5.A & 5.B & 5.D & 5.E & 5.F \\ \midrule
This text & short text & & & \cellcolor[HTML]{DC7878}15 & & \multicolumn{1}{r}{\cellcolor[HTML]{EDA9A9}7} & & & \\
That text & Some longer text that splits & & & \cellcolor[HTML]{F1BDBD}3 & & & & & \\
\rowcolor[HTML]{FFF2CC}
Red text & Even loooonger text that splits, maybe even more than once & & & \cellcolor[HTML]{F1BDBD}3 & & & & & \\
\rowcolor[HTML]{FFF2CC}
Blue text & Some long text once again that splits & & & \cellcolor[HTML]{F1BDBD}3 & & & & & \\
Up text & blah blah blah, again text here & & & \multicolumn{1}{l}{} & & & \multicolumn{1}{r}{\cellcolor[HTML]{F3C7C7}1} & & \multicolumn{1}{r}{\cellcolor[HTML]{F3C7C7}1} \\
Down text & text. & & & \multicolumn{1}{l}{} & & & \multicolumn{1}{r}{\cellcolor[HTML]{F3C7C7}1} & & \multicolumn{1}{r}{\cellcolor[HTML]{F3C7C7}1} \\
\bottomrule
\CodeAfter
\begin{tikzpicture} [shorten < = 2pt, shorten > = 2pt]
\draw (3-|2) -- (4-|2) ;
\draw (4-|2) -- (5-|2) ;
\draw (5-|2) -- (6-|2) ;
\draw (6-|2) -- (7-|2) ;
\end{tikzpicture}
\end{NiceTabular}
\end{table}
\end{document}
您需要多次编译。
nicematrix但是，由于没有按照 的顺序应用表格中颜色的说明，因此存在一个小问题colortbl。使用 中的说明\CodeBefore则不会出现问题。
\documentclass{article}
\usepackage{nicematrix,tikz}
\usepackage{booktabs}
\begin{document}
\begin{table}
\footnotesize
% nicematrix provides the column m[l]{...}
\begin{NiceTabular}{@{}lm[l]{0.2\textwidth}llrlllll@{}}
\CodeBefore
\rowcolor[HTML]{FFF2CC}{4,5}
\cellcolor[HTML]{EDA9A9}{2-7}
\cellcolor[HTML]{DC7878}{2-5}
\cellcolor[HTML]{F3C7C7}{3-5,4-5,5-5,6-8,7-8,6-10,7-10}
\Body
\toprule
\textbf{Stuff} & \textbf{Other stuff} & 4.B & 4.D & \multicolumn{1}{l}{5} & 5.A & 5.B & 5.D & 5.E & 5.F \\ \midrule
This text & short text & & & 15 & & \multicolumn{1}{r}{7} & & & \\
That text & Some longer text that splits & & & 3 & & & & & \\
Red text & Even loooonger text that splits, maybe even more than once & & & 3 & & & & & \\
Blue text & Some long text once again that splits & & & 3 & & & & & \\
Up text & blah blah blah, again text here & & & & & & \multicolumn{1}{r}{1} & & \multicolumn{1}{r}{1} \\
Down text & text. & & & & & & \multicolumn{1}{r}{1} & & \multicolumn{1}{r}{1}\\
\bottomrule
\CodeAfter
\begin{tikzpicture} [shorten < = 2pt, shorten > = 2pt]
\draw (3-|2) -- (4-|2) ;
\draw (4-|2) -- (5-|2) ;
\draw (5-|2) -- (6-|2) ;
\draw (6-|2) -- (7-|2) ;
\end{tikzpicture}
\end{NiceTabular}
\end{table}
\end{document}
