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表格前插入不需要的空白页

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表格前插入不需要的空白页

我有一个文档，其中包含一个多页表格。不幸的是，它会将一个空白页插入为第一页，我绝对不想这样（它会影响页码等）。如果我删除行，以便表格可以放在一页上，则不会插入空白页。

这是一个最小的工作示例，错误是第一页是空白页：

\documentclass[a4paper,11pt]{article}
\usepackage[utf8]{inputenc}
\usepackage{supertabular}
\usepackage{array}
\usepackage{booktabs}

\begin{document}

\pagestyle{empty}

\tabletail{\bottomrule}
\tablelasttail{\hline}

\tablehead {
\toprule
\multicolumn{2}{c}{
\textbf{\huge "Head row"}
}
\\ \midrule
}

\begin{supertabular}{@{}p{7cm}@{\extracolsep{\fill}}p{7cm}@{}}
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
\end{supertabular}
\end{document}

如果您从该表中删除一些行以使其适合单个页面，您将看到未插入空白页。

这是什么原因造成的？谢谢。

答案1

正如 Martin 指出的，这与规则有关booktabs。实际上，每行之间不应该有一个\midrule，但如果您无论如何都想这样做，这里有一种解决问题的方法。

\documentclass[a4paper,11pt]{article}
\usepackage[utf8]{inputenc}
\usepackage{supertabular}
\usepackage{array}
\usepackage{booktabs}
\usepackage{geometry}
\usepackage{etoolbox}

\tabletail{\bottomrule}
\tablelasttail{\bottomrule}
\tablehead{%
        \toprule
        \multicolumn{2}{c}{\textbf{\huge ``Head row''}}%
        \\ \midrule
}

\pagestyle{empty}%

\overfullrule5pt
\makeatletter
\appto\estimate@lineht{%
        \global\advance\ST@lineht by\aboverulesep
        \global\advance\ST@lineht by\belowrulesep
}
\makeatother
\begin{document}
\begin{supertabular}{@{}p{7cm}@{\extracolsep{\fill}}p{7cm}@{}}
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
foo & bar \\ \midrule
\end{supertabular}
\end{document}

该geometry包只是因为您的表格太宽，并且给出了过多的规则。更改边距可以解决这个问题。这里真正的修复与如何supertabular估计每行的高度有关。它用于\estimate@lineht计算拉伸线的高度。由于您在每行之间使用，我们可以通过增加+\midrule来增加行高的估计值。\ST@lineht\aboverulesep\belowrulesep

真正的解决方法是省略\midrules。它使表格看起来好多了。

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