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# 如何在 LaTeX 表格中更改列或行间距？

一种方法是使用命令 `\setlength` 和 `\arraystretch` 分别用于更改水平间距（列间距）和垂直间距（行间距）；例如：

```latex
\setlength{\tabcolsep}{20pt}
\renewcommand{\arraystretch}{1.5}
```

下面的示例可以直接在 Overleaf 中打开，它演示了 `\setlength` 和 `\arraystretch` 间距。

```latex
\documentclass{article}
\begin{document}

\section*{默认间距的表格}

% 一个具有默认行距和列距的表格
\begin{tabular}{ l c c }
第一行 & 6 & 5 \\
第二行 & 4 & 10\\
第三行 & 20 & 30\\
第四行 & 100 & 30\\
\end{tabular}

\section*{调整后间距的表格}

% 一个具有调整后行距和列距的表格。

% \setlength 设置水平（列）间距
% \arraystretch 设置垂直（行）间距

\begingroup

\setlength{\tabcolsep}{10pt} % 默认值：6pt
\renewcommand{\arraystretch}{1.5} % 默认值：1
\begin{tabular}{ l c c }
第一行 & 6 & 5 \\
第二行 & 4 & 10\\
第三行 & 20 & 30\\
第四行 & 100 & 30\\
\end{tabular}

\endgroup
% \begingroup ... \endgroup 配对确保间距参数的值
% 参数只影响此表，而不影响任何
% 文档中的后续表格。
\end{document}
```

 [在 Overleaf 中打开此示例](https://www.overleaf.com/docs?engine=pdflatex\&snip_name=LaTeX+Table+spacing+example\&snip=%5Cdocumentclass%7Barticle%7D%0A%5Cbegin%7Bdocument%7D%0A%0A%5Csection%2A%7BTable+with+default+spacing%7D%0A%0A%25+A+table+with+default+row+and+column+spacing%0A%5Cbegin%7Btabular%7D%7B+l+c+c+%7D%0AFirst+Row+%26+6+%26+5+%5C%5C%0ASecond+Row+%26+4+%26+10%5C%5C%0AThird+Row+%26+20+%26+30%5C%5C%0AFourth+Row+%26+100+%26+30%5C%5C%0A%5Cend%7Btabular%7D%0A%0A%5Csection%2A%7BTable+with+adjusted+spacing%7D%0A%0A%25+A+table+with+adjusted+row+and+column+spacing.%0A%0A%25+%5Csetlength+sets+the+horizontal+%28column%29+spacing%0A%25+%5Carraystretch+sets+the+vertical+%28row%29+spacing%0A%0A%5Cbegingroup%0A%0A%5Csetlength%7B%5Ctabcolsep%7D%7B10pt%7D+%25+Default+value%3A+6pt%0A%5Crenewcommand%7B%5Carraystretch%7D%7B1.5%7D+%25+Default+value%3A+1%0A%5Cbegin%7Btabular%7D%7B+l+c+c+%7D%0AFirst+Row+%26+6+%26+5+%5C%5C%0ASecond+Row+%26+4+%26+10%5C%5C%0AThird+Row+%26+20+%26+30%5C%5C%0AFourth+Row+%26+100+%26+30%5C%5C%0A%5Cend%7Btabular%7D%0A%0A%5Cendgroup%0A%25+The+%5Cbegingroup+...+%5Cendgroup+pair+ensures+values+of+spacing+%0A%25+parameters+only+affect+this+particular+table%2C+and+not+any%0A%25+subsequent+ones+in+the+document.%0A%5Cend%7Bdocument%7D)

此示例生成以下输出：

![在 LaTeX 中演示更改表格间距的示例](/files/5da3c1dc5385794a24774f7138415979b0b01ac8)


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