我想在没有给出日期的情况下将“(nd)”打印在参考书目条目中。到目前为止，已经找到了解决方案这里，但我的其余样式代码显然发生了一些变化。有人可以更改该特定部分吗？目前，它对于参考文献来说运行良好，但对于参考书目来说则完全不行。
平均能量损失
\documentclass[
12pt,
a4paper
]
{scrreprt}
\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\usepackage{lmodern}
\usepackage[
language=auto,
style=authoryear-ibid,
backend=biber,
hyperref=true,
isbn=false,
dashed=false,
doi=false,
citereset=chapter,
maxcitenames=3,
sorting=nyt,
firstinits=true,
uniquename=init,
ibidtracker=true,
maxbibnames=99,
urldate=iso8601,
%mergedate=true, %Audrey https://tex.stackexchange.com/questions/126584/biblatex-n-d-when-no-date-given?noredirect=1#comment284550_126584
labeldate=true
]{biblatex}
\usepackage{xpatch}
%% parentheses around year in references
\renewbibmacro*{cite:labelyear+extrayear}{%
\iffieldundef{labelyear}
{}
{%
\printtext[bibhyperref]{%
\printtext[parens]{%
\printfield{labelyear}%
\printfield{extrayear}}}}}
%% no date given
\newcommand{\mkbibnodate}{n\adddot d\adddot}
\AtEveryCitekey{\iffieldundef{labelyear}{\restorefield{labelyear}{\mkbibnodate}}{}}
\AtEveryBibitem{\iffieldundef{year}{\restorefield{labelyear}{\mkbibnodate}}{}}
%% correct order of publisher and location
\renewbibmacro*{publisher+location+date}{%
\newunit
\printlist{publisher}%
\newunit
\printlist{location}%
\newunit}
%% right order of words 'volume' und 'issue' with comma in front
\renewbibmacro*{journal+issuetitle}{%
\usebibmacro{journal}%
\setunit*{\addspace}%
\iffieldundef{series}
{}
{\newunit
\printfield{series}%
\setunit{\addspace}}%
\usebibmacro{volume+number+eid}
\setunit{\addcomma\space}% THIS LINE CHANGED to add comma
\usebibmacro{issue+date}%
\setunit{\addcolon\space}%
\usebibmacro{issue}%
\newunit}
%taken from standard.bbx
\renewbibmacro*{issue+date}{%
\printtext{% REMOVED parenthesis here
\iffieldundef{issue}
{\usebibmacro{date}}
{\printfield{issue}%
\setunit*{\addspace}%
\usebibmacro{date}}}%
\newunit}
%% linebreak before URLs and colon before date of last visit
\xpretobibmacro{url+urldate}{\setunit{\newunitpunct\par\nobreak}}{}{}
\DefineBibliographyStrings{english}{%
urlseen = {last visit\addcolon}
}
%% colon before date of last visit
\DeclareFieldFormat{urldate}{\mkbibparens{\bibstring{urlseen}\addcolon\space#1}}
\begin{filecontents*}{lit.bib}
@Online{ctan,
label = {CTAN},
hyphenation = {american},
title = {CTAN},
subtitle = {The Comprehensive TeX Archive Network},
url = {http://www.ctan.org},
urldate = {2006-10-01}
}
@Book{augustine,
hyphenation = {american},
author = {Augusteine, Robert L.},
title = {Heterogeneous catalysis for the synthetic chemist},
shorttitle = {Heterogeneous catalysis},
publisher = {Marcel Dekker},
location = {New York},
edition={5}
}
@Article{bertram,
author = {Bertram, Aaron and Wentworth, Richard},
title = {Gromov invariants for holomorphic maps on Riemann surfaces},
journaltitle = jams,
year = 1996,
volume = 9,
number = 2,
pages = {529-571}
}
@InCollection{hyman,
author = {Arthur Hyman},
editor = {O'Meara, Dominic J.},
title = {Aristotle's Theory of the Intellect and its Interpretation by
Averroes},
booktitle = {Studies in Aristotle},
series = {Studies in Philosophy and the History of Philosophy},
number = 9,
publisher = {The Catholic University of America Press},
location = {Washington, D.C.},
pages = {161-191}
}
\end{filecontents*}
\addbibresource{lit.bib}
\begin{document}
\chapter{First Chapter}
\begin{itemize}
\item This is a test for the case if no year was given for \verb+@online+ source.\footcite[See][p. 3]{ctan}.
\item Another sentence for the parentheses.\footnote{\cite[See][p. 456.]{augustine}}
\item Words for the \verb+article+-type.\footnote{\cite[See][p. B.]{bertram}}
\item Soem stuff for \verb+incollection+.\footnote{\cite[See][p. 456.]{hyman}}
\end{itemize}
\printbibliography
\end{document}
答案1
正如奥黛丽在评论中所说，答案是删除urldate作为后备日期的标签
\DeclareLabeldate{\field{date}\field{eventdate} \field{origdate}\literal{nodate}}
以下是 MWE：
\documentclass{article}
\begin{filecontents*}{\jobname.bib}
@Online{ctan,
label = {CTAN},
hyphenation = {american},
title = {CTAN},
subtitle = {The Comprehensive TeX Archive Network},
url = {http://www.ctan.org},
urldate = {2006-10-01}
}
@Book{augustine,
hyphenation = {american},
author = {Augusteine, Robert L.},
title = {Heterogeneous catalysis for the synthetic chemist},
shorttitle = {Heterogeneous catalysis},
publisher = {Marcel Dekker},
location = {New York},
edition={5}
}
@Article{bertram,
author = {Bertram, Aaron and Wentworth, Richard},
title = {Gromov invariants for holomorphic maps on Riemann surfaces},
journaltitle = {jams},
year = 1996,
volume = 9,
number = 2,
pages = {529-571}
}
@InCollection{hyman,
author = {Arthur Hyman},
editor = {O'Meara, Dominic J.},
title = {Aristotle's Theory of the Intellect and its Interpretation by
Averroes},
booktitle = {Studies in Aristotle},
series = {Studies in Philosophy and the History of Philosophy},
number = 9,
publisher = {The Catholic University of America Press},
location = {Washington, D.C.},
pages = {161-191}
}
\end{filecontents*}
\usepackage[style=authoryear-ibid]{biblatex}
\addbibresource{\jobname.bib}
\DeclareLabeldate{
\field{date}
\field{eventdate}
\field{origdate}
\literal{nodate}
}
\begin{document}
\autocites[See][3]{ctan}[See][456]{augustine}[See][B]{bertram}[See][456]{hyman}
\printbibliography
\end{document}
