当我使用 pgf-umlcd 时，“！软件包 tikz 错误：放弃此路径。您忘记了分号吗？”是什么意思？

Question

的一般语法TikZ是输入你想要绘制的内容，格式如下：

\command [ options ] ( location ) { stuff } ;

几乎所有东西都不需要。只有\command（例如\draw）和尾随;以限制命令的范围，这很重要。您;在最后一行忘记了这一点tikzpicture，因此会出现此错误。并且您忘记了重命名块\开头的。使用而不是draw\unidirectionAssociation
\draw[umlcd style, ->] (#1) -- (#4)draw[umlcd style, ->] (#1) -- (#4)

编译结果如下：

\documentclass{standalone}
\usepackage{pgf-umlcd}

\renewcommand{\unidirectionalAssociation}[4]
{
  \draw[umlcd style, ->] (#1) -- (#4)% <------
  node[near end, auto]{#2}
  node[near end, auto,swap]{#3};
}

\begin{document}
\begin{tikzpicture}

  \begin{abstractclass}[text width = 6cm]{FileStore}{0,0}
    \attribute{$\sim$ com.alhelal.textpad}
    \operation{+ orderFile(file : File) : EditableFile} 
    \operation[0]{\# createFile(file : File) : EditableFile}
  \end{abstractclass}

  \begin{class}[text width = 6cm,anchor = west,xshift = 5cm]{ProgrammFileFactory}{FileStore.east}
    \inherit{FileStore}
    \attribute{$\sim$ com.alhelal.textpad}
    \operation{+ orderFile(file : File) : EditableFile} 
  \end{class}

  \begin{class}[text width = 11cm, yshift = -2cm]{EditableFile}{ProgrammFileFactory.south}
    \attribute{$\sim$ com.alhelal.textpad}
    \attribute{+ languageBehavior : LanguageBehavior} 
    \operation{+ options : Options} 
    \operation{+ getCodeAreaFromTab(tb : Tab) : CodeArea} 
    \operation{+ saveFile(fileTabArrayList : ArrayList$<$FileTab$>$, option : Options)}
    \operation{+ printFile(node : Node)}
    \operation{+ toggleLineNumber(cd : CodeArea)}
    \operation{+ setLanguageBehavior(langBehavior : LanguageBehavior)}
    \operation{+ performRunCode(file : File)}
    \operation{+ performBuildCode(file : File)}
    \operation{+ performSetHighlightableText()}
    \operation{+ performSetAutocompletableText()}
  \end{class}

  \begin{class}[text width = 3.5cm,anchor=north east,yshift = -2cm, xshift=-6cm]{TextFile}{EditableFile.south west}
    \inherit{EditableFile}
    \attribute{$\sim$ com.alhelal.textpad}
  \end{class}

  \begin{class}[text width = 3.5cm,anchor=north east,yshift = -2cm, xshift = -1.5cm]{CFile}{EditableFile.south west}
    \inherit{EditableFile}
    \attribute{$\sim$ com.alhelal.textpad}
    \attribute{-path : String}
  \end{class}

  \begin{class}[text width=3.5cm,anchor=north west,yshift = -2cm,xshift=-3cm]{CplusFile}{EditableFile.south}
    \inherit{EditableFile}
    \attribute{$\sim$ com.alhelal.textpad}
  \end{class}

  \begin{class}[text width  = 3.5cm, anchor = north west, yshift = -2cm, xshift = -4cm]{JavaFile}{EditableFile.south east}
    \inherit{EditableFile}
    \attribute{$\sim$ com.alhelal.textpad}
  \end{class}

  \begin{class}[text width = 3.5cm,yshift = -2cm,xshift = 1cm]{PythonFile}{EditableFile.south east}
    \inherit{EditableFile}
    \attribute{$\sim$ com.alhelal.textpad}
  \end{class}

  \begin{class}[text width = 3.5cm, anchor = north west, yshift =-2cm,xshift = 5cm]{LaTeXFile}{EditableFile.south east}
    \inherit{EditableFile}
    \attribute{$\sim$ com.alhelal.textpad}
  \end{class}
  \unidirectionalAssociation{ProgrammFileFactory}{}{$<<$instantiate$>>$}{EditableFile}
  \node [above=3mm] at (current bounding box.north) {Factory Method Pattern};% <-------
\end{tikzpicture}
\end{document}

我用标记了我更改的行% <-------。

编辑：我已更新上述代码以包含正确的重新定义，这要\unidirectionalAssociation感谢@TorbjørnT 提供的澄清。

Answer 1