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从嵌套表格中删除水平填充

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从嵌套表格中删除水平填充

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两个都大卫·卡莱尔'沙斯基尔蒙的答案很棒（并且发布时间相隔不到 10 秒），但 SO 只允许我将一个标记为正确，因此我鼓励遇到此问题的任何人像我一样尝试两个（因为这两个都是针对我的不同失误的解决方案，但结果相同）。

原始帖子：

如何修改以下嵌套的水平间距/填充tabulars，以便两个相关单元格中的突出显示能够触及左右单元格边框？

我浏览过许多，许多 答案但找不到有效的解决方案。任何帮助都将不胜感激！

表格如下：

\begin{table}[ht]
    \centering
    \caption{Caption above table.}
    \begin{tabular}{|c|c|l|p{5cm}|}
        \hline
        
        % column headers
        Record & Prepend & \multicolumn{1}{c|}{Name} & \multicolumn{1}{c|}{Value} \\ \hline
        
        % A (ipv4 records)
        \texttt{A} & www & 
        \begin{tabular}{@{\hskip3pt}l}
            \colorbox{white}{%
                \begin{tabular}[c]{@{}l}
                    \texttt{mydomain.tld}
                \end{tabular}
            } \\
            \colorbox{yellow}{%
                \begin{tabular}[c]{@{}l}
                    \texttt{autoconfig.mydomain.tld}\\
                    \texttt{imap.mydomain.tld}\\
                    \texttt{mail.mydomain.tld}\\
                    \texttt{pop.mydomain.tld}\\ 
                    \texttt{smtp.mydomain.tld}
                \end{tabular}
            }
        \end{tabular} & \texttt{111.222.111.222} \\ \hline
        
        % AAAA (ipv6) records
        \texttt{AAAA} & www & 
        \begin{tabular}{@{}l}
            \colorbox{white}{%
                \begin{tabular}[c]{@{}l}
                    \texttt{mydomain.tld}
                \end{tabular}
            } \\
            \colorbox{yellow}{%
                \begin{tabular}[c]{@{}l}
                \texttt{autoconfig.mydomain.tld}\\
                \texttt{imap.mydomain.tld}\\
                \texttt{mail.mydomain.tld}\\
                \texttt{pop.mydomain.tld}\\ 
                \texttt{smtp.mydomain.tld}
            \end{tabular}
            }
        \end{tabular} & \texttt{aaaa:bbbb:cccc:dddd::1234} \\ \hline
    
        % MX records
        \texttt{MX} & www & \texttt{mydomain.tld} & \texttt{1 mail.mydomain.tld} \\ \hline
        
        % NS records
        \texttt{NS} & & \texttt{@} & \begin{tabular}[c]{@{}l@{}}\texttt{ns1.nameserver.tld}\\ \texttt{ns2.nameserver.tld}\end{tabular} \\ \hline
        \texttt{PTR} & & \texttt{@} & \texttt{mydomain.tld} \\ \hline
        
        % TXT for DMARC
        
        \rowcolor{yellow} \texttt{TXT} & & \texttt{\_dmarc} & \texttt{"v=DMARC1; p=quarantine; pct=100; rua=mailto: [email protected]"} \\ \hline
        
        % TXT for DKIM
        \rowcolor{yellow} \texttt{TXT} & & \texttt{default.\_domainkey} &  \texttt{"v=DKIM1; k=rsa; s=email; p=<DKIM key>"} \\ \hline
        
        % TXT for SPF
        \texttt{TXT} & & \texttt{@} & \texttt{"v=spf1 a mx ~all"} \\ \hline
        
        % TXT for Site description
        \texttt{TXT} & www & \texttt{@} & \texttt{"<description of site>"} \\ \hline
    \end{tabular}
\end{table}

附言抱歉，我没搞清楚我当时是怎么想的。我只能说，当时这似乎是个好主意。

我的桌子

答案1

使用\cellcolor而不是\colorbox并因此从嵌套的 s 中删除外部填充tabular：

\documentclass[]{article}

\usepackage[]{colortbl}

\begin{document}

\begin{table}[ht]
    \centering
    \caption{Caption above table.}
    \begin{tabular}{|c|c|l|p{5cm}|}
        \hline
        
        % column headers
        Record & Prepend & \multicolumn{1}{c|}{Name} & \multicolumn{1}{c|}{Value} \\ \hline
        
        % A (ipv4 records)
        \texttt{A} & www & 
        \begin{tabular}{@{}l@{}}
            \cellcolor{white}%
            \begin{tabular}[c]{@{}l@{}}
              \texttt{mydomain.tld}
            \end{tabular} \\
            \cellcolor{yellow}%
              \begin{tabular}[c]{@{}l@{}}
                    \texttt{autoconfig.mydomain.tld}\\
                    \texttt{imap.mydomain.tld}\\
                    \texttt{mail.mydomain.tld}\\
                    \texttt{pop.mydomain.tld}\\ 
                    \texttt{smtp.mydomain.tld}
                \end{tabular}
        \end{tabular} & \texttt{111.222.111.222} \\ \hline
        
        % AAAA (ipv6) records
        \texttt{AAAA} & www & 
        \begin{tabular}{@{}l@{}}
            \cellcolor{white}%
              \begin{tabular}[c]{@{}l@{}}
                    \texttt{mydomain.tld}
                \end{tabular}
            \\
            \cellcolor{yellow}%
              \begin{tabular}[c]{@{}l@{}}
                \texttt{autoconfig.mydomain.tld}\\
                \texttt{imap.mydomain.tld}\\
                \texttt{mail.mydomain.tld}\\
                \texttt{pop.mydomain.tld}\\ 
                \texttt{smtp.mydomain.tld}
            \end{tabular}
        \end{tabular} & \texttt{aaaa:bbbb:cccc:dddd::1234} \\ \hline
    
        % MX records
        \texttt{MX} & www & \texttt{mydomain.tld} & \texttt{1 mail.mydomain.tld} \\ \hline
        
        % NS records
        \texttt{NS} & & \texttt{@} & \begin{tabular}[c]{@{}l@{}}\texttt{ns1.nameserver.tld}\\ \texttt{ns2.nameserver.tld}\end{tabular} \\ \hline
        \texttt{PTR} & & \texttt{@} & \texttt{mydomain.tld} \\ \hline
        
        % TXT for DMARC
        
        \rowcolor{yellow} \texttt{TXT} & & \texttt{\_dmarc} & \texttt{"v=DMARC1; p=quarantine; pct=100; rua=mailto: [email protected]"} \\ \hline
        
        % TXT for DKIM
        \rowcolor{yellow} \texttt{TXT} & & \texttt{default.\_domainkey} &  \texttt{"v=DKIM1; k=rsa; s=email; p=<DKIM key>"} \\ \hline
        
        % TXT for SPF
        \texttt{TXT} & & \texttt{@} & \texttt{"v=spf1 a mx ~all"} \\ \hline
        
        % TXT for Site description
        \texttt{TXT} & www & \texttt{@} & \texttt{"<description of site>"} \\ \hline
    \end{tabular}
\end{table}

\end{document}

在此处输入图片描述

答案2

正如评论中所说，你可以使用\cellcolor，但你正在向所有表格的右侧添加空白，而不是左侧

colorbox{yellow}{%
                \begin{tabular}[c]{@{}l}
                    \texttt{autoconfig.mydomain.tld}\\
                    \texttt{imap.mydomain.tld}\\
                    \texttt{mail.mydomain.tld}\\
                    \texttt{pop.mydomain.tld}\\ 
                    \texttt{smtp.mydomain.tld}
                \end{tabular}
            }

您避免使用 在表格左侧添加空格标记，{%但您在表格后（但在 内\colorbox）添加了空格，您可以使用\end{tabular}%或通过将结束符}放在\colorbox之后立即添加来避免这种情况\end{tabular}

类似地，您要删除左侧的 tabcolsep 填充，但不会删除右侧的填充，@{}l 而不是@{}l@{}作为嵌套表的序言。

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