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尝试创建发票时出现大量错误

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尝试创建发票时出现大量错误

首先我要说的是，我知道有一个发票包。它不适用于我的设置，我希望进行更多的自定义。因此，为了复制该包，我创建了一个新环境，并在该环境中创建了一个新命令。不幸的是，它似乎不起作用，我不知道为什么。

以下是 MWE：

\documentclass{article}

\usepackage{calc}
\usepackage{tabularx}
\usepackage{booktabs}
\usepackage[table]{xcolor}

\newenvironment{invoice}{%
  \newcounter{total}%
  \newcommand*{\additem}[2]{\addtocounter{total}{##2}##1&&##2}%
  \tabularx{\linewidth}{Xc@{}r}
    \toprule
    \textbf{DESCRIPTION} && \textbf{AMOUNT}\\
    \midrule}{%
    \bottomrule
    \newcounter{wholetotal}\setcounter{wholetotal}{\value{total}/100}
    \newcounter{fractotal}\setcounter{fractotal}{\value{total}-\value{wholetotal}*100}
    \multicolumn{1}{r}{\textbf{TOTAL:}} & \cellcolor{blue!10!white} \$ & \cellcolor{blue!10!white} \arabic{wholetotal}.\ifnum\value{fractotal}<10 0\fi\arabic{fractotal} \\
  \endtabularx
  Please pay the amount in full by check made out to ``Company''}

\begin{document}
\begin{invoice}
  \additem{Data collection}{1500}
\end{invoice}
\end{document}

我收到了很多错误，但这里有一个示例：

test.tex|25 error| Misplaced \noalign.
test.tex|25 error| Missing } inserted.
test.tex|25 error| Missing \endgroup inserted.
test.tex|25 error| Missing } inserted.
test.tex|25 error| Missing } inserted.
test.tex|25 error| Missing } inserted.
test.tex|25 error| Missing \cr inserted.
test.tex|25 error| Missing { inserted.
test.tex|25 error| Missing { inserted.
test.tex|25 error| Missing } inserted.
test.tex|25 error| Missing } inserted.
test.tex|25 error| Missing } inserted.
test.tex|25 error| Missing \cr inserted.
test.tex|25 error| Misplaced \cr.
test.tex|25 error| Missing \cr inserted.
test.tex|25 error| Misplaced \cr.
test.tex|25 error| Missing \cr inserted.
test.tex|25 error| Misplaced \cr.
test.tex|25 error| Missing \cr inserted.
test.tex|25 error| Misplaced \cr.
test.tex|25 error| Missing \cr inserted.
test.tex|25 error| Misplaced \cr.
test.tex|25 error| Missing \cr inserted.
test.tex|25 error| Misplaced \cr.
test.tex|25 error| Missing \cr inserted.
test.tex|25 error| Misplaced \cr.
test.tex|25 error| Missing \cr inserted.
test.tex|25 error| Misplaced \cr.
test.tex|25 error| Missing \cr inserted.
test.tex|25 error| Misplaced \cr.
test.tex|25 error| Missing \cr inserted.
test.tex|25 error| Misplaced \cr.
test.tex|25 error| Missing \cr inserted.
test.tex|25 error| Misplaced \cr.
test.tex|25 error| Missing \cr inserted.
test.tex|25 error| Misplaced \cr.
test.tex|25 error| Missing \cr inserted.
test.tex|25 error| Misplaced \cr.
test.tex|25 error| Missing \cr inserted.
test.tex|25 error| Misplaced \cr.
test.tex|25 error| Missing \cr inserted.
test.tex|25 error| Misplaced \cr.
test.tex|25 error| Missing \cr inserted.
test.tex|25 error| Misplaced \cr.
test.tex|25 error| Missing \cr inserted.
test.tex|25 error| Misplaced \cr.
test.tex|25 error| Missing \cr inserted.
test.tex|25 error| Misplaced \cr.
test.tex|25 error| Missing \cr inserted.
test.tex|25 error| Misplaced \cr.
test.tex|25 error| Missing \cr inserted.
test.tex|25 error| Misplaced \cr.
test.tex|25 error| Missing \cr inserted.
test.tex|25 error| Misplaced \cr.
test.tex|25 error| Missing \cr inserted.
test.tex|25 error| Misplaced \cr.
test.tex|25 error| Missing \cr inserted.
test.tex|25 error| Misplaced \cr.
test.tex|25 error| Missing \cr inserted.
test.tex|25 error| Misplaced \cr.
test.tex|25 error| Missing \cr inserted.
test.tex|25 error| Misplaced \cr.
test.tex|25 error| Missing \cr inserted.
test.tex|25 error| Misplaced \cr.
test.tex|25 error| Missing \cr inserted.
test.tex|25 error| Misplaced \cr.
test.tex|25 error| Missing \cr inserted.
test.tex|25 error| Misplaced \cr.
test.tex|25 error| Missing \cr inserted.
test.tex|25 error| Misplaced \cr.
test.tex|25 error| Missing \cr inserted.
test.tex|25 error| Misplaced \cr.
test.tex|25 error| Missing \cr inserted.
test.tex|25 error| Misplaced \cr.
test.tex|25 error| Missing \cr inserted.
test.tex|25 error| Misplaced \cr.
test.tex|25 error| Missing \cr inserted.
test.tex|25 error| Misplaced \cr.
test.tex|25 error| Missing \cr inserted.
test.tex|25 error| Misplaced \cr.
test.tex|25 error| Missing \cr inserted.
test.tex|25 error| Misplaced \cr.
test.tex|25 error| Missing \cr inserted.
test.tex|25 error| Misplaced \cr.
test.tex|25 error| Missing \cr inserted.
test.tex|25 error| Misplaced \cr.
test.tex|25 error| Missing \cr inserted.
test.tex|25 error| Misplaced \cr.
test.tex|25 error| Missing \cr inserted.
test.tex|25 error| Misplaced \cr.
test.tex|25 error| Missing \cr inserted.
test.tex|25 error| Misplaced \cr.
test.tex|25 error| Missing \cr inserted.
test.tex|25 error| Misplaced \cr.
test.tex|25 error| Missing \cr inserted.
test.tex|25 error| Misplaced \cr.
test.tex|25 error| Missing \cr inserted.
test.tex|25 error| Misplaced \cr.
test.tex|25 error| Missing \cr inserted.
test.tex|25 error| Misplaced \cr.

答案1

已经有一个invoice包，但是这里...我们不使用它;-)

不要\newcounter{...}在假定被多次调用的环境中说。

主要错误是缺少\tabularnewline（或\\）语句以及可以通过 来避免的对齐错误\noalign{...}，因为\multicolumn预计位于单元格中的第一个项目中（正如 Werner 在下面所述 ;-)）

 \documentclass{article}

\usepackage{calc}
\usepackage{tabularx}
\usepackage{booktabs}
\usepackage[table]{xcolor}

\newcounter{total}
\newcounter{wholetotal}
\newcounter{fractotal}

\newenvironment{invoice}{%
  \setcounter{total}{0}
  \setcounter{wholetotal}{0}
  \setcounter{fractotal}{0}
  \newcommand*{\additem}[2]{\addtocounter{total}{##2} ##1&&##2 \tabularnewline}%
  \tabularx{\linewidth}{Xc@{}r}
  \toprule
  \textbf{DESCRIPTION} && \textbf{AMOUNT}\\
  \midrule
}{%
  \bottomrule
  \tabularnewline
  \noalign{\setcounter{wholetotal}{\value{total}/100}}
  \noalign{\setcounter{fractotal}{\value{total}-\value{wholetotal}*100}}
  \multicolumn{1}{r}{\textbf{TOTAL:}} & \cellcolor{blue!10!white} \textdollar & \cellcolor{blue!10!white} \arabic{wholetotal}.\ifnum\value{fractotal}<10 0\fi\arabic{fractotal} \\
  \tabularnewline% More space at the end
  \endtabularx

  Please pay the amount in full by check made out to ``Company''}

\begin{document}
\begin{invoice}
  \additem{Data collection}{1500}%{00}
  \additem{LaTeX book}{50000}%{00}
\end{invoice}
\end{document}

在此处输入图片描述

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