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“包 pgfkeys 错误”问题

tag-icon • tag-icon tikz-pgf packages pgfkeys tcolorbox
“包 pgfkeys 错误”问题

我正在尝试使用包创建一个颜色框tcolorbox。
源代码如下-

\documentclass[11pt]{article}
\usepackage[top=.5in, bottom=.5in, left=1in, right=1in]{geometry}
\usepackage{tcolorbox}
\tcbuselibrary{skins}

\begin{document}

\tcbset{skin=enhanced,fonttitle=\bfseries,
frame style={upper left=blue,upper right=red,lower left=yellow,lower right=green},
interior style={white,opacity=0.5},
segmentation style={black,solid,opacity=0.2,line width=1pt}}

\begin{tcolorbox}[title=Nice box in rainbow colors]

With the ’enhanced’ skin, it is quite easy to produce fancy looking effects.

\tcblower
Note that this is still a \texttt{tcolorbox}.

\end{tcolorbox}

\end{document}

我遇到的错误是：

! Package pgfkeys Error: I do not know the key '/tikz/upper left' and I m going to ignore it.
! Package pgfkeys Error: I do not know the key '/tikz/upper right' and I m going to ignore it.
! Package pgfkeys Error: I do not know the key '/tikz/lower left' and I m going to ignore it.
! Package pgfkeys Error: I do not know the key '/tikz/lower right' and I m going to ignore it.

答案1

阴影效果需要 TikZshadings库。tcolorbox默认情况下似乎没有加载该库。因此您需要自行加载。

\documentclass{article}
\usepackage{tcolorbox}
\tcbuselibrary{skins}
\usetikzlibrary{shadings}

\tcbset{
    skin=enhanced,
    fonttitle=\bfseries,
    frame style={upper left=blue,upper right=red,lower left=yellow,lower right=green},
    interior style={white,opacity=0.5},
    segmentation style={black,solid,opacity=0.2,line width=1pt}
}

\begin{document}
\begin{tcolorbox}[title=Nice box in rainbow colors]
    With the ’enhanced’ skin, it is quite easy to produce fancy looking effects.
    \tcblower
    Note that this is still a \texttt{tcolorbox}.
\end{tcolorbox}
\end{document}

结果

请注意，您需要将\usetikzlibrary调用放在 之后\tcbuselibrary{skins}，因为只有该库才会真正加载 TikZ（否则只会pgf加载 ）。另请注意，并非所有 PDF 查看器都能正确呈现阴影。

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