在表格行间添加颜色并增加

Question

如何将 RGB 颜色 (78, 126, 222) 添加到下面生成的表格右半部分的每个其他行？如何增加这些行之间的间距？我尝试使用\rowcolor但出现错误。

\documentclass[11pt]{article}

\usepackage{multirow}
\usepackage{geometry}
\usepackage{tabularx}
\usepackage{booktabs}
\usepackage{ragged2e}
\begin{document}

\begin{table}[ht]
    \centering
        \begin{tabularx}{\textwidth}{cc>{\RaggedRight\arraybackslash}X>{\RaggedRight\arraybackslash}X}
            \toprule
            \multirow{6}{*}{Outer index 1} & Inner index 1.1 & Text data placeholder. May be long enough that it needs to be wrapped. & Text data placeholder. May be long enough that it needs to be wrapped.\\
            & Inner index 1.2 & Text data placeholder. May be long enough that it needs to be wrapped. & Text data placeholder. May be long enough that it needs to be wrapped.\\ 
            \midrule
            \multirow{6}{*}{Outer index 2} & Inner index 2.1 & Text data placeholder. May be long enough that it needs to be wrapped. & Text data placeholder. May be long enough that it needs to be wrapped.\\
            & Inner index 2.2 & Text data placeholder. May be long enough that it needs to be wrapped. & Text data placeholder. May be long enough that it needs to be wrapped.\\
            \midrule
            \multirow{16}{*}{Outer index 3} &  Inner index 3.1 & Text data placeholder. May be long enough that it needs to be wrapped. & Text data placeholder. May be long enough that it needs to be wrapped.\\
            &Inner index 3.2 & \multicolumn{2}{>{\hsize=\dimexpr2\hsize+2\tabcolsep+\arrayrulewidth\relax\RaggedRight\arraybackslash}X}{Text data placeholder. May be long enough that it needs to be wrapped.  Text data placeholder. May be long enough that it needs to be wrapped.}\\
            &Inner index 3.3 & \multicolumn{2}{>{\hsize=\dimexpr2\hsize+2\tabcolsep+\arrayrulewidth\relax\RaggedRight\arraybackslash}X}{ Text data placeholder. May be long enough that it needs to be wrapped.  Text data placeholder. May be long enough that it needs to be wrapped.}\\
            &Inner index 3.4 & \multicolumn{2}{>{\hsize=\dimexpr2\hsize+2\tabcolsep+\arrayrulewidth\relax\RaggedRight\arraybackslash}X}{ Text data placeholder. May be long enough that it needs to be wrapped.  Text data placeholder. May be long enough that it needs to be wrapped.}\\
            &Inner index 3.5 & \multicolumn{2}{>{\hsize=\dimexpr2\hsize+2\tabcolsep+\arrayrulewidth\relax\RaggedRight\arraybackslash}X}{ Text data placeholder. May be long enough that it needs to be wrapped.  Text data placeholder. May be long enough that it needs to be wrapped.}\\
            &Inner index 3.6 & \multicolumn{2}{>{\hsize=\dimexpr2\hsize+2\tabcolsep+\arrayrulewidth\relax\RaggedRight\arraybackslash}X}{ Text data placeholder. May be long enough that it needs to be wrapped.  Text data placeholder. May be long enough that it needs to be wrapped.}\\
            \bottomrule
        \end{tabularx}
\end{table}

\end{document}

Answer 1

这就是你想要的东西吗？

\documentclass[11pt]{article}
\usepackage[table]{xcolor}

\definecolor{myblue}{RGB}{78, 126, 222}
\usepackage{multirow}
\usepackage{geometry}
\usepackage{tabularx}
\usepackage{booktabs}
\usepackage{ragged2e}

\begin{document}

\begin{table}[ht]
    \centering\setlength{\extrarowheight}{3pt}
\rowcolors{1}{myblue}{}
        \begin{tabularx}{\textwidth}{>{\cellcolor{white}} c >{\cellcolor{white}}c>{\RaggedRight\arraybackslash}X>{\RaggedRight\arraybackslash}X}
            \toprule
            & Inner index 1.1 & Text data placeholder. May be long enough that it needs to be wrapped. & Text data placeholder. May be long enough that it needs to be wrapped.\\
            \multirow{-2}{*}{Outer index 1} & Inner index 1.2 & Text data placeholder. May be long enough that it needs to be wrapped. & Text data placeholder. May be long enough that it needs to be wrapped.\\
            \midrule
             & Inner index 2.1 & Text data placeholder. May be long enough that it needs to be wrapped. & Text data placeholder. May be long enough that it needs to be wrapped.\\
            \multirow{-2}{*}{Outer index 2} & Inner index 2.2 & Text data placeholder. May be long enough that it needs to be wrapped. & Text data placeholder. May be long enough that it needs to be wrapped.\\
            \midrule& Inner index 3.1 & Text data placeholder. May be long enough that it needs to be wrapped. & Text data placeholder. May be long enough that it needs to be wrapped.\\
            &Inner index 3.2 & \multicolumn{2}{>{\hsize=\dimexpr2\hsize+2\tabcolsep+\arrayrulewidth\relax\RaggedRight\arraybackslash}X}{Text data placeholder. May be long enough that it needs to be wrapped. Text data placeholder. May be long enough that it needs to be wrapped.}\\
            &Inner index 3.3 & \multicolumn{2}{>{\hsize=\dimexpr2\hsize+2\tabcolsep+\arrayrulewidth\relax\RaggedRight\arraybackslash}X}{ Text data placeholder. May be long enough that it needs to be wrapped. Text data placeholder. May be long enough that it needs to be wrapped.}\\
            \multirow{-2}{*}{Outer index 3}&Inner index 3.4 & \multicolumn{2}{>{\hsize=\dimexpr2\hsize+2\tabcolsep+\arrayrulewidth\relax\RaggedRight\arraybackslash}X}{ Text data placeholder. May be long enough that it needs to be wrapped. Text data placeholder. May be long enough that it needs to be wrapped.}\\
            &Inner index 3.5 & \multicolumn{2}{>{\hsize=\dimexpr2\hsize+2\tabcolsep+\arrayrulewidth\relax\RaggedRight\arraybackslash}X}{ Text data placeholder. May be long enough that it needs to be wrapped. Text data placeholder. May be long enough that it needs to be wrapped.}\\
            &Inner index 3.6 & \multicolumn{2}{>{\hsize=\dimexpr2\hsize+2\tabcolsep+\arrayrulewidth\relax\RaggedRight\arraybackslash}X}{ Text data placeholder. May be long enough that it needs to be wrapped. Text data placeholder. May be long enough that it needs to be wrapped.}\\
            \bottomrule
        \end{tabularx}
\end{table}

\end{document}