我有一个问题。我想引用我的公式并附上来源。我遇到了以下问题，只要我有页码，就会出现错误。我该如何解决这个问题，以便我也可以在引用中输入页码？我在这里找到了解决方案https://tex.stackexchange.com/a/251979/263023
\documentclass[12pt]{report}
\usepackage[usegeometry]{typearea}% load before geometry
\usepackage[a4paper, left={2.5cm}, right={2cm}, top={3cm}, bottom={3cm}, headheight=15pt]{geometry}
\usepackage{filecontents}
\usepackage[ngerman]{babel}
\begin{filecontents*}{\jobname.bib}
@article{einstein,
author = {Albert Einstein},
title = {{Zur Elektrodynamik bewegter Körper}. ({German})
[{On} the electrodynamics of moving bodies]},
journal = {Annalen der Physik},
volume = {322},
number = {10},
pages = {891--921},
year = {1905},
DOI = {http://dx.doi.org/10.1002/andp.19053221004},
}
@online{ApoG,
Address = {03.08.2013},
Edition = {15.10.1980},
Publisher = {juris GmbH},
Title = {ApoG - Gesetz {\"u}ber das Apothekenwesen},
Url = {www.juris.de/purl/gesetze/_ges/ApoG},
Year = {1980},
}
\end{filecontents*}
\usepackage[%
backend=bibtex % biber or bibtex
%,style=authoryear % Alphabeticalsch
,style=numeric-comp % numerical-compressed
,sorting=none % no sorting
,sortcites=true % some other example options ...
,block=none
,indexing=false
,citereset=none
,isbn=true
,url=true
,doi=true % prints doi
,natbib=true % if you need natbib functions
]{biblatex}
\DefineBibliographyStrings{ngerman}{%
urlseen = {aufgerufen am}
}
\addbibresource{\jobname.bib}
\usepackage{float}
% ------------ NEW
\makeatletter
\newcommand*{\eqcite}[1]{%
\def\@eqcite{\org@cite{#1}}%
}
\let\@eqcite\@empty
\def\@eqnnum{%
{%
\normalfont
\normalcolor
\ifx\@eqcite\@empty
\else
\@eqcite\space
\fi
(\theequation)%
}%
}
\g@addto@macro\equation{%
\let\org@cite\cite
\let\cite\eqcite
}
\let\org@cite\cite
\makeatother
% --------------- NEW END
\usepackage[ngerman]{cleveref}
\crefname{equation}{Formel}{Formel}
\creflabelformat{equation}{#2\textup{#1}#3}
\begin{document}
The famous inequality math relation:
\begin{equation}
\label{eq:test}
\cite{einstein}
y \neq x
\end{equation}
New formula
\begin{equation}
\cite[S.~235]{einstein}
y \neq x
\end{equation}
\cref{eq:test}
\printbibliography
\end{document}
我想要的是
答案1
所示的定义\eqcite（因此\cite在方程式中也是如此）仅接受一个强制参数。这意味着它不支持biblatex通常的两个可选参数。
通过以下定义，\NewDocumentCommand我们可以恢复通常的行为。（我稍微修剪了一下示例，以便我们可以专注于代码的重要部分。）
\documentclass[12pt]{report}
\usepackage[ngerman]{babel}
\usepackage{biblatex}
\addbibresource{biblatex-examples.bib}
\makeatletter
\NewDocumentCommand\eqcite{oom}{%
\def\@eqcite{\org@cite}%
\IfNoValueF{#1}
{\appto\@eqcite{[#1]}%
\IfNoValueF{#2}
{\appto\@eqcite{[#2]}}}%
\appto\@eqcite{{#3}}}
\let\@eqcite\@empty
\def\@eqnnum{%
{%
\normalfont
\normalcolor
\ifx\@eqcite\@empty
\else
\@eqcite\space
\fi
(\theequation)%
}%
}
\g@addto@macro\equation{%
\DeclareCommandCopy\org@cite\cite
\DeclareCommandCopy\cite\eqcite
}
\DeclareCommandCopy\org@cite\cite
\makeatother
\usepackage[ngerman]{cleveref}
\crefname{equation}{Formel}{Formel}
\creflabelformat{equation}{#2\textup{#1}#3}
\begin{document}
The famous inequality math relation:
\begin{equation}
\label{eq:test}
\cite{sigfridsson}
y \neq x
\end{equation}
New formula
\begin{equation}
\cite[235]{sigfridsson}
y \neq x
\end{equation}
\begin{equation}
\cite[cf.][235]{sigfridsson}
y \neq x
\end{equation}
\begin{equation}
\cite[cf.][]{sigfridsson}
y \neq x
\end{equation}
\cref{eq:test}
\printbibliography
\end{document}
