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使用 `\DeclareSourcemap` 刪除「作者」欄位會插入不需要的句號和空格

tag-icon • tag-icon biblatex biber
使用 `\DeclareSourcemap` 刪除「作者」欄位會插入不需要的句號和空格

我正在嘗試刪除簡報author中的字段beamer，因為我希望參考文獻盡可能緊湊。使用PLK 針對「擺脫參考書目中的作者字段」問題的回答，即：

\DeclareSourcemap{
  \maps[datatype=bibtex]{
    \map{
      \pertype{misc}
      \step[fieldset=author, null]
   }
 }
}

正在刪除作者字段，但是，當使用它時，我在條目之前得到一個句號，後面跟著一個空格journal：

在此輸入影像描述

在我在這裡詢問之前，我已經查看了biblatexGitHub 存儲庫，但看不到該author字段在哪裡包含句號和空格\newbibmacro*{author/...}定義，所以我不知道如何刪除它。我%在每行後面添加了 '\DeclareSourcemap但沒有效果。

有誰知道我如何擺脫句點和空格？

MWE（我包含了一些樣式，因此它在某種程度上與我的真實文件相匹配，以防相關）：

% arara: pdflatex: {options: [-halt-on-error]}
% arara: biber
% arara: pdflatex: {options: [-halt-on-error]}

\begin{filecontents}[overwrite]{ref.bib}
@Article{Mehandia2020,
  author                 = {Mehandia, Seema and Sharma, S. C. and Arya, Shailendra Kumar},
  journal                = {Biotechnol. Rep. (Amst)},
  title                  = {Isolation and characterization of an alkali and thermostable laccase from a novel Alcaligenes faecalis and its application in decolorization of synthetic dyes.},
  year                   = {2020},
  pages                  = {e00413},
  volume                 = {25},
  doi                    = {10.1016/j.btre.2019.e00413},
}
@Article{Murugesan2009,
  author                 = {Murugesan, Kumarasamy and Kim, Young-Mo and Jeon, Jong-Rok and Chang, Yoon-Seok},
  journal                = {J Hazard Mater.},
  title                  = {Effect of metal ions on reactive dye decolorization by laccase from Ganoderma lucidum.},
  year                   = {2009},
  pages                  = {523-9},
  volume                 = {168},
  doi                    = {10.1016/j.jhazmat.2009.02.075},
}
\end{filecontents}

\documentclass{beamer}

\usepackage[backend=biber, style=numeric]{biblatex}

%% --- These are just commands to match my current bib style
\renewcommand*{\bibfont}{\normalfont}
\DeclareFieldFormat{journaltitle}{\mkbibemph{#1},}
\DeclareFieldFormat[article]{title}{}
\DeclareFieldFormat[article]{volume}{\textbf{#1}}
\DeclareFieldFormat[article]{pages}{#1}
\DeclareFieldFormat{doi}{#1}
\renewbibmacro{in:}{}
\renewbibmacro*{issue+date}{}
\renewbibmacro*{volume+number+eid}{%
  \setunit*{\addcomma\space}
  \usebibmacro{date}%
  \setunit{\addcomma\space}
  \printfield{volume}%
  \setunit*{\addcomma\space}
  }
%% ---- End

% https://tex.stackexchange.com/a/656907/273733
\DeclareSourcemap{%
  \maps[datatype=bibtex]{%
    \map{%
     \step[fieldset=author, null]%
   }%
 }%
}

\addbibresource{ref.bib}

\begin{document}

\begin{frame}
    \frametitle{First slide Title}
    Text \cite{Mehandia2020}\cite{Murugesan2009}
\end{frame}

\begin{frame}
\frametitle{References}
\printbibliography
\end{frame}

\end{document}

答案1

不僅透過更改其格式來清除來源映射中的標題：

\DeclareSourcemap{%
  \maps[datatype=bibtex]{%
    \map{%
     \step[fieldset=author, null]%
   }%
   \map{\pertype{article}\step[fieldset=title, null]}
 }%
}

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