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列表环境中的第一个数字和标题

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列表环境中的第一个数字和标题

我正在使用listings它来显示代码并且我添加了firstnumber但caption它似乎不起作用。

有一个例子：

\documentclass[11pt,fleqn]{book} % Default font size and left-justified equations
\usepackage{epstopdf}
\usepackage{verbatim}
\usepackage[dvipsnames]{xcolor} % Required for specifying colors by name
\usepackage[utf8]{inputenc} % Required for including letters with accents
\usepackage[T1]{fontenc} % Use 8-bit encoding that has 256 glyphs
\usepackage{csquotes}


\usepackage{listings}

\lstdefinestyle{styleC}
{
  language= C,
  commentstyle = {\color{ForestGreen}},
  stringstyle = {\color{NavyBlue}},
  keywordstyle = {\color{RedViolet}},
  keywordstyle = [2]{\color{OliveGreen}},
  keywordstyle = [3]{\color{Fuchsia}},
  keywordstyle = [4]{\color{BlueViolet} \itshape}, %poner italic
  keywordstyle = [5]{\color{orange}},
  basicstyle = {\ttfamily \color{black}},
  backgroundcolor = {\color{white}},    
  sensitive = false,
  breaklines = true,
  showstringspaces= false,
  showspaces= false,
  extendedchars= true,
    keywords = {for, typeof, new, true, false, function, return, null, switch, var, if, in, while, do, else, case, break, class, export, boolean, throw, implements, import, this, constructor, string, number, public, private, static, const, var, let, void},
  morekeywords = [2]{uint32_t, float32_t, arm_matrix_instance_f32, uint8_t, uint16_t,  arm_status},
  morekeywords = [3]{arm_rfft_fast_instance_f32, arm_mat_scale_f32, arm_mat_init_f32, arm_mat_mult_f32, arm_mat_add_f32, arm_cmplx_mag_f32, arm_rfft_fast_f32, exp, log10, sprintf},
  morekeywords = [4]{ARM_MATH_SUCCESS},
  otherkeywords = {;},
  comment = [l]{//},
  morecomment = [s]{/*}{*/},
  morestring = [b]',
  morestring = [b]",   
}

\lstnewenvironment{Ce}
  {\lstset{
    style=styleC,
    frame=single,
    numbers=left, numberstyle=\normalfont\color{gray}, numbersep=5pt
    }
  }
  {}


\begin{document}

 
  
  
\chapter{C code}


In this chapter only the edited code and generated code is shown. 

\begin{Ce}[caption=Example 1, firstnumber=7]
blah
blah
blah
\end{Ce}


In the next box, the modified function \textit{makeRecording()} is exposed.

\begin{Ce}[caption=Example 2, firstnumber=100]
blah
blah
blah

\end{Ce}

To debug the system, all needed information was saved as a text file. The code is in the next box.

\begin{Ce}[caption=SD code, numbers=none]
blah
blah
blah
\end{Ce}


\end{document}

但我得到的是三个列表，所有行号都从 1 开始。并且没有标题。

在此处输入图片描述 我不知道是否必须在 中定义它们\lstset，但我必须\lstnewenvironment为每个框创建不同的内容。有什么解决办法吗？

提前致谢！

注意：我还有一个问题。 中方括号内的数字是什么意思\lstnewenvironment{python}[1][]？我在列表包文档中没有找到有关此信息。

答案1

感谢@daleif，我解决了这个问题。

声明环境时，需要包含[]所需参数的数量（数字、第一个数字和标题）：

\lstnewenvironment{Ce}[3]
  {\lstset{
    style=styleC,
    frame=single,
    numbers=#1, 
    numberstyle=\normalfont\color{gray}, numbersep=5pt,
    firstnumber = #2,
    caption = #3
    }
  }
  {}

然后，在文档中：

\begin{Ce}{left}{100}{Example}
blah
blah
blah
\end{Ce}

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