推 kenny2963:好聰明的方法，我再試試看，感謝! 08/03 11:42
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> Does this help?
>=20
>=20
>=20
> http://tex.stackexchange.com/questions/97343/includegraphics-optional-arg=
ument-not-resolved-if-macro
With that in mind, A macro with 3 variables are possible
\usepackage{graphicx}
\newcommand{\scalefactor}{1} % define a command
\newcommand\insertfig[3]{
\renewcommand\scalefactor{#3}% renew the command
\begin{figure}[!hbt]
\centering
\includegraphics[scale=3D\scalefactor]{#2}
\caption{#1}
\label{Fig:#2}
\end{figure}
}
\insertfig{test0.5}{logo}{0.5}
Figure \ref{Fig:logo} is shown above
\insertfig{test1}{logo1}{1}
Figure \ref{Fig:logo1} is shown above
\insertfig{test2}{logo2}{2}
Figure \ref{Fig:logo2} is shown above