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导出为 PDF 时单元格内的图片与水平规则重叠

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导出为 PDF 时单元格内的图片与水平规则重叠

我是 LaTeX 新手。我正在尝试制作一个单元格内有图片的表格。ShareLatex 中的预览看起来不错，但当我将 PDF 文件导出到我的计算机时，它看起来像这样。有什么建议吗？

在 Adob​​e Acrobat Pro 中预览

以下是代码：

\documentclass{article}
\usepackage[utf8]{inputenc}
\usepackage{array}
\usepackage[a4paper, total={6in, 8in}]{geometry}
\usepackage{caption}
\usepackage{lipsum}  
\usepackage{natbib}
\usepackage{graphicx}

\newcolumntype{P}[1]{>{\centering\arraybackslash}p{#1}}
\newcolumntype{M}[1]{>{\centering\arraybackslash}m{#1}}

\begin{document}
\pagenumbering{gobble}

\begin{table}[ht]
    \begin{center}
    %\centering
    %\begin{tabular}{||M{1cm}|c|M{40mm}|c|c||}
    \begin{tabular}{||c| >{\centering\arraybackslash}m{0,5cm} | >{\centering\arraybackslash}m{3cm} | >{\centering\arraybackslash}m{3,5cm} | >{\centering\arraybackslash}m{2,5cm} |
    >{\centering\arraybackslash}m{2,5cm} ||}
        \hline
        1. & & SN74HC00N & Quad 2-input NAND gate & \includegraphics[height=18mm]{74HC00.png} & \includegraphics[height=18mm]{74HC00_pin.png}\\
        \hline
        2. & & SN74HC02N & Quad 2-input NOR gate &
        \includegraphics[height=18mm]{74HC02.png} & \includegraphics[height=18mm]{74HC02_pin.png}\\
        \hline
        3. & & SN74HC04N & Hex inverter & \includegraphics[height=18mm]{74HC04.png} &
        \includegraphics[height=18mm]{74HC04_pin.png}\\
        \hline
        4. & & SN74HC08N & Quad 2-input AND gate & \includegraphics[height=18mm]{74HC08.png} & \includegraphics[height=18mm]{74HC08_pin.png}\\
        \hline
        5. & & SN74HC32N & Quad 2-input OR gate & \includegraphics[height=18mm]{74HC32.png} & \includegraphics[height=18mm]{74HC32_pin.png}\\
        \hline
        6. & & SN74HC76N & Dual J-K flip-flop, asynchronous preset and clear & \includegraphics[height=18mm]{74HC76.png} & \includegraphics[height=18mm]{74HC76_pin.png}\\
        \hline
        7. & & SN74HC86N & Quad 2-input XOR gate & \includegraphics[height=18mm]{74HC86.png} & \includegraphics[height=18mm]{74HC86_pin.png}\\
        \hline
        8. & & SN74HC153N & Dual 4-line to 1-line data selector/multiplexer, non-inverting outputs & \includegraphics[height=18mm]{74HC153.png} & \includegraphics[height=18mm]{74HC153_pin.png}\\
        \hline
        9. & & SN74HC190N & Synchronous presettable up/down decade counter & \includegraphics[height=18mm]{74HC190.png} & \includegraphics[height=18mm]{74HC190_pin.png}\\
        \hline
        10. & & SN74HC595N & 8-bit shift registers, output latches, three-state parallel outputs & \includegraphics[height=18mm]{74HC595.png} & \includegraphics[height=18mm]{74HC595_pin.png}\\
        \hline
        11. & & SN74HC4511AP & BCD to 7-segment decoder & \includegraphics[height=18mm]{74HC4511.png} & \includegraphics[height=18mm]{74HC4511_pin.png}\\
        \hline
    \end{tabular}
    \end{center}
    \caption*{}
\end{table}

\end{document}

答案1

您可以在列描述中的图形前添加一些空格，如下所示：

\documentclass{article}
\usepackage[utf8]{inputenc}
\usepackage{array}
\usepackage[a4paper, total={6in, 8in}]{geometry}
\usepackage{caption}
\usepackage{lipsum}
\usepackage{natbib}
\usepackage[demo]{graphicx}
\usepackage{array}

\newcolumntype{P}[1]{>{\centering\arraybackslash}p{#1}}
\newcolumntype{M}[1]{>{\centering\arraybackslash}m{#1}}

\begin{document}
\pagenumbering{gobble}

\begin{table}[ht]

    \centering
    \begin{tabular}{||c| 
       >{\centering\arraybackslash}m{0,5cm} | 
       >{\centering\arraybackslash}m{3cm} | 
       >{\centering\arraybackslash}m{3,5cm} |  
       >{\centering\arraybackslash\vspace{3pt}}m{2,5cm} |
       >{\centering\arraybackslash\vspace{3pt}}m{2,5cm}  |}
        \hline
        1. & & SN74HC00N & Quad 2-input NAND gate & \includegraphics[width=\linewidth]{example-image} & \includegraphics[width=\linewidth]{example-image}\\

    \end{tabular}

    \caption*{}
\end{table}

\end{document}

在此处输入图片描述

答案2

像这样？

在此处输入图片描述

\documentclass{article}
\usepackage[a4paper, total={6in, 8in}]{geometry}
\usepackage{caption}
\usepackage[demo]{graphicx}
% added
\usepackage[export]{adjustbox}
\newcommand\insertimage[1]{% for shorter code
    \includegraphics[height=18mm,width=0.8\linewidth, % width is only for test,  original images are probaly narrover 
                     margin=0pt 3pt 0pt 3pt, valign=m]{#1}%
                            }
\usepackage{tabularx}
\newcolumntype{C}{>{\centering\arraybackslash}X}

\begin{document}
\begin{table}
  \centering
  \caption{my table}\label{tab:ic}
\begin{tabularx}{\linewidth}{|c|c|c | C|C|C|}
  \hline
        1. & & SN74HC00N & Quad 2-input NAND gate & \insertimage{74HC00.png} & \insertimage{74HC00_pin.png}\\
        \hline
        2. & & SN74HC02N & Quad 2-input NOR gate &
        \insertimage{74HC02.png} & \insertimage{74HC02_pin.png}\\
        \hline
        3. & & SN74HC04N & Hex inverter & \insertimage{74HC04.png} &
        \insertimage{74HC04_pin.png}\\
        \hline
        4. & & SN74HC08N & Quad 2-input AND gate & \insertimage{74HC08.png} & \insertimage{74HC08_pin.png}\\
        \hline
        5. & & SN74HC32N & Quad 2-input OR gate & \insertimage{74HC32.png} & \insertimage{74HC32_pin.png}\\
        \hline
        6. & & SN74HC76N & Dual J-K flip-flop, asynchronous preset and clear & \insertimage{74HC76.png} & \insertimage{74HC76_pin.png}\\
        \hline
        7. & & SN74HC86N & Quad 2-input XOR gate & \insertimage{74HC86.png} & \insertimage{74HC86_pin.png}\\
        \hline
        8. & & SN74HC153N & Dual 4-line to 1-line data selector/multiplexer, non-inverting outputs & \insertimage{74HC153.png} & \insertimage{74HC153_pin.png}\\
        \hline
        9. & & SN74HC190N & Synchronous presettable up/down decade counter & \insertimage{74HC190.png} & \insertimage{74HC190_pin.png}\\
        \hline
        10. & & SN74HC595N & 8-bit shift registers, output latches, three-state parallel outputs & \insertimage{74HC595.png} & \insertimage{74HC595_pin.png}\\
        \hline
        11. & & SN74HC4511AP & BCD to 7-segment decoder & \insertimage{74HC4511.png} & \insertimage{74HC4511_pin.png}\\
        \hline
  \hline
  \end{tabularx}
\end{table}
  • 对于表格，我建议使用tabularx环境，其中最后一棵树的列是C类型（C是列的居中变体X）。
  • 图像自然地与其底部边框对齐。要将其更改为图像中间，请使用valign包中的宏adjustbox
  • 对于文本的垂直居中，列类型的定义随类型而X改变pm
  • margin=<left>, <bottom> <right> <top>图像上方和下方的垂直空间也是通过包确定的adjustbox- 对于表格的居中，请使用\centering.\begin{center} ... \end{center} 仅添加不需要的垂直空间
  • 如你所见，表格对于一页来说太高了（因此页码出现在“BCD 到 7 段解码器”的单元格中）。这可以通过将图像高度从 18 毫米减少到 15 毫米或手动将表格拆分为两部分或将ltablex包添加到前言中来修复，它们结合tabularx并longtable

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