按表格排列参考书目

Question

我正在使用 Audrey 建议的代码这个帖子以便制作一份表格式书目，并对其进行如下修改。

当然，作者姓名应该打印在第一列，其他内容都打印在第二列，但第二列却重复了姓名。我希望进行的第二项修改是在标题和表格之间添加一些文本。

\documentclass[12pt,a4paper,oneside]{memoir}
\usepackage[backend=biber,style=biblatex-swiss-legal-general]{biblatex}
\usepackage{etoolbox}
\usepackage{chngcntr}
\usepackage{csquotes}
\usepackage{array}
\usepackage{ragged2e}
\newcolumntype{P}[1]{>{\raggedright\hspace{0pt}}p{#1}}
\usepackage{multicol}
\usepackage{etoolbox}

\renewcommand{\mkbibnamefirst}[1]{\textsc{#1}}
\renewcommand{\mkbibnamelast}[1]{\textsc{#1}}
\renewcommand{\mkbibnameprefix}[1]{\textsc{#1}}
\renewcommand{\mkbibnameaffix}[1]{\textsc{#1}}

\makeatletter

% user-level command for printing tabular bibliography
\let\printbibtabular\printbibliography
\patchcmd{\printbibtabular}{\blx@printbibliography}{\bbx@printbibtabular}{}{}
\patchcmd{\printbibtabular}{\blx@printbibliography}{\bbx@printbibtabular}{}{}
\let\bbx@printbibtabular\blx@printbibliography
\patchcmd{\bbx@printbibtabular}{\blx@bibliography}{\bbx@bibtabular}{}{}
\patchcmd{\bbx@printbibtabular}
  {\def\blx@theenv{bibliography}}{\def\blx@theenv{bibtabular}}{}{}

% underlying macros
\def\bbx@bibtabular#1{%
  \blx@bibheading\blx@theheading\blx@thetitle
  \blx@bibnote\blx@theprenote
  \begingroup
  \blx@bibinit
  \let\@noitemerr\@empty
  \let\blx@noitem\blx@warn@bibempty
  \ifnum\bibinitsep=\z@
    \let\blx@initsep\relax
  \fi
  \ifnum\bibnamesep=\z@
    \let\blx@namesep\relax
  \fi
  \csuse{blx@hook@bibinit}%

  % copy filtered list of entries to internal list macro
  \def\blx@do##1{%
    \blx@ifdata{##1}{%
      \begingroup
      \blx@getdata{##1}
      \blx@bibcheck
      \iftoggle{blx@skipentry}{}{%
        \global\let\blx@noitem\@empty
        \listadd\blx@tempa{##1}}%
      \endgroup}{}}
  \let\blx@done\relax
  \blx@listloop{#1}

  % tabular output for each item in list macro
  \def\do##1{\bbx@tab@label{##1} & \bbx@tab@item{##1} \\}
  \def\do##1{\bbx@tab@label{##1} & \bbx@tab@item{##1} \\}
  \csuse{blx@env@\blx@theenv}%
  \dolistloop{\blx@tempa}
  \csuse{blx@endenv@\blx@theenv}%
  \blx@bibnote\blx@thepostnote
  \endgroup}

\def\bbx@tab@label#1{%
  \begingroup
  \blx@getdata{#1}%
  \blx@setoptions@type\abx@field@entrytype
  \blx@setoptions@entry
  \blx@thelabelnumber
  \blx@addprefixnumber
  \addtocounter{instcount}\@ne
  \csuse{bbx@tabenv@\blx@theenv}\relax
  \endgroup}

\def\bbx@tab@item#1{%
  \begingroup
  \blx@getdata{#1}%
  \blx@setoptions@type\abx@field@entrytype
  \blx@setoptions@entry
  \csuse{blx@item@\blx@theenv}\relax
  \blx@initsep
  \blx@namesep
  \csuse{blx@hook@bibitem}%
  \blx@execute
  \blx@initunit
  \blx@anchor
  \blx@beglang
  \bibsentence
  \blx@pagetracker
  \blx@driver\abx@field@entrytype
  \blx@postpunct
  \blx@endlang
  \endgroup}

% user-level command for defining tabular bibliography format
\newrobustcmd*{\defbibtabular}[5]{%
  \long\csdef{blx@env@#1}{#2}%
  \long\csdef{blx@endenv@#1}{#3}%
  \long\csdef{bbx@tabenv@#1}{#4}%
  \long\csdef{blx@item@#1}{#5}}

% user-level access to some entry options
\def\useeditorfalse{\togglefalse{blx@useeditor}}
\def\usetranslatorfalse{\togglefalse{blx@usetranslator}}

\makeatother

% sortname labels (a robust style should add provision for missing labelnames)
\newbibmacro*{sortname}{%
  \renewcommand*{\multinamedelim}{\addslash\break}%
  \let\finalnamedelim\multinamedelim
  \printtext{\printnames[last-first]{labelname}}}

% bibitem hook to suppress redundant sortname list
\newbibmacro*{omitsortname}{%
  \ifnameundef{labelname}{}{%
    \ifnameundef{author}
      {\ifnameundef{editor}
         {\ifusetranslator{\clearname{translator}}{}}}
         {\clearname{editor}}
      {\clearname{author}}%
    \useeditorfalse%
    \usetranslatorfalse}}

% demo new tabular bibliography format
\defbibtabular{bibtabular}
 {\setlength{\tabcolsep}{8pt}\begin{tabular}{@{}P{5.5cm} >{\raggedright\arraybackslash}p{9cm}}}
 {\end{tabular}}
 {\usebibmacro{sortname}}
 {\usebibmacro{omitsortname}}

% add multiline labels in default bibliography format
\defbibenvironment{bibliography}
  {\list
     {\usebibmacro{sortname}}
     {\setlength{\labelwidth}{0.3\textwidth}%
      \setlength{\leftmargin}{\labelwidth}%
      \setlength{\labelsep}{\biblabelsep}%
      \addtolength{\leftmargin}{\labelsep}%
      \setlength{\itemsep}{\bibitemsep}%
      \setlength{\parsep}{\bibparsep}}%
     \renewcommand*{\makelabel}[1]{%
       \nobreak\strut\smash{\parbox[t]\labelwidth{\raggedright##1}}}}
  {\endlist}
  {\item\usebibmacro{omitsortname}}

\addbibresource{biblatex-examples.bib}

\renewcommand{\cmd}[1]{\texttt{\textbackslash #1}}

\begin{document}

\printbibtabular

\cite{vangennep:trans,companion,bertram}

\end{document}

感谢您的帮助。