为了限制 beamer 演示文稿中引用所占用的空间，我想限制作者列表，以便在脚注字段中使用时仅打印第一个姓氏，但我很难找到这样做的方法。
从...开始使用 Biblatex 在 Beamer 中统一引用编号，如何修改 MWE 中的 hypercite bibmacro 以仅打印选定的字段，即第一作者的姓氏和头衔？
梅威瑟：
\documentclass[10pt]{beamer}
\usepackage[utf8]{inputenc}
\usepackage{filecontents}
\begin{filecontents}{MWE.bib}
@article{Knuth92,
author = "D.E. Knuth",
title = "Two notes on notation",
journal = "Amer. Math. Monthly",
volume = "99",
year = "1992",
pages = "403--422",
}
@book{ConcreteMath,
author = "R.L. Graham and D.E. Knuth and O. Patashnik",
title = "Concrete mathematics",
publisher = "Addison-Wesley",
address = "Reading, MA",
year = "1989"
}
@unpublished{Simpson,
author = "H. Simpson",
title = "Proof of the {R}iemann {H}ypothesis",
note = "preprint (2003), available at
\texttt{http://www.math.drofnats.edu/riemann.ps}",
year = "2003"
}
\end{filecontents}
\usetheme[progressbar=frametitle,numbering=fraction]{metropolis}
\setbeamertemplate{bibliography item}{\insertbiblabel} %% Remove book symbol from references and add number
\usepackage[style=ieee,backend=bibtex,citetracker=true]{biblatex}
\addbibresource{MWE.bib}
% See https://tex.stackexchange.com/a/396754/28146
\makeatletter
\newbibmacro*{hypercite}{%
\renewcommand{\@makefntext}[1]{\noindent\normalfont##1}%
\footnotetext{%
\blxmkbibnote{foot}{%
\printtext[labelnumberwidth]{%
\printfield{prefixnumber}%
\printfield{labelnumber}}%
\addspace
\fullcite{\thefield{entrykey}}}}}
\DeclareCiteCommand{\hypercite}%
{\usebibmacro{cite:init}}
{\usebibmacro{hypercite}}
{}
{\usebibmacro{cite:dump}}
% Redefine the \footcite command to use the reference number
\renewcommand{\footcite}[1]{\cite{#1}\hypercite{#1}}
\makeatother
\begin{document}
\begin{frame}{Some references}
Some references non cited in the footnotes, \cite{Knuth92,Simpson,ConcreteMath} and some cited also in the footnotes\footnote{A footnote}, \footcite{Knuth92} and \footcite{ConcreteMath}\footnote{A second footnote}
\end{frame}
\begin{frame}[t,allowframebreaks]{References} %% Aligned top
\printbibliography[heading=none]
\end{frame}
\end{document}
答案1
要在脚注中仅打印第一作者的姓氏，您可以使用快速而又简单的方法并使用\printnames[][1-1]{author}。
梅威瑟：
\documentclass[10pt]{beamer}
\usepackage[utf8]{inputenc}
\begin{filecontents}{MWE.bib}
@article{Knuth92,
author = "D.E. Knuth",
title = "Two notes on notation",
journal = "Amer. Math. Monthly",
volume = "99",
year = "1992",
pages = "403--422",
}
@book{ConcreteMath,
author = "R.L. Graham and D.E. Knuth and O. Patashnik",
title = "Concrete mathematics",
publisher = "Addison-Wesley",
address = "Reading, MA",
year = "1989"
}
@unpublished{Simpson,
author = "H. Simpson",
title = "Proof of the {R}iemann {H}ypothesis",
note = "preprint (2003), available at
\texttt{http://www.math.drofnats.edu/riemann.ps}",
year = "2003"
}
\end{filecontents}
\usetheme[progressbar=frametitle,numbering=fraction]{moloch}% modern fork of the metropolis theme
\setbeamertemplate{bibliography item}{\insertbiblabel} %% Remove book symbol from references and add number
\usepackage[style=ieee,backend=bibtex,citetracker=true]{biblatex}
\addbibresource{MWE.bib}
% See https://tex.stackexchange.com/a/396754/28146
\makeatletter
\newbibmacro*{hypercite}{%
\renewcommand{\@makefntext}[1]{\noindent\normalfont##1}%
\footnotetext{%
\blxmkbibnote{foot}{%
\printtext[labelnumberwidth]{%
\printfield{prefixnumber}%
\printfield{labelnumber}}%
\addspace
\printnames[][1-1]{author}
\setunit{\addcomma\addspace}
\printfield{title}}}}
\DeclareCiteCommand{\hypercite}%
{\usebibmacro{cite:init}}
{\usebibmacro{hypercite}}
{}
{\usebibmacro{cite:dump}}
% Redefine the \footcite command to use the reference number
\renewcommand{\footcite}[1]{\cite{#1}\hypercite{#1}}
\makeatother
\begin{document}
\begin{frame}
\frametitle{Some references}
Some references non cited in the footnotes, \cite{Knuth92,Simpson,ConcreteMath} and some cited also in the footnotes\footnote{A footnote}, \footcite{Knuth92} and \footcite{ConcreteMath}\footnote{A second footnote}
\end{frame}
\begin{frame}[t,allowframebreaks]
\frametitle{References} %% Aligned top
\printbibliography[heading=none]
\end{frame}
\end{document}
