1\usepackage{ctex}
2\usepackage{color}

1\usepackage{ctex}
2\usepackage{color}
3
4\usetheme{Szeged}
5\usecolortheme{beaver}
6% or ...
7
8\setbeamercovered{transparent}
9% or whatever (possibly just delete it)

 1\usepackage{listings}
 2
 3\lstset{
 4    basicstyle          =   \sffamily,          % 基本代码风格
 5    keywordstyle        =   \bfseries,          % 关键字风格
 6    commentstyle        =   \rmfamily,  % 注释的风格，斜体
 7    stringstyle         =   \ttfamily,  % 字符串风格
 8    flexiblecolumns,                % 别问为什么，加上这个
 9    numbers             =   left,   % 行号的位置在左边
10    showspaces          =   false,  % 是否显示空格，显示了有点乱，所以不现实了
11    numberstyle         =   \zihao{-5}\ttfamily,    % 行号的样式，小五号，tt等宽字体
12    showstringspaces    =   false,
13    captionpos          =   t,      % 这段代码的名字所呈现的位置，t指的是top上面
14    frame               =   shadowbox,   % 显示边框
15    tabsize				=	4
16}
17
18\lstdefinestyle{Python}{
19    language        =   Python, % 语言选Python
20    basicstyle      =   \zihao{-5}\ttfamily,
21    numberstyle     =   \zihao{-5}\ttfamily,
22    keywordstyle    =   \color{blue},
23    keywordstyle    =   [2] \color{teal},
24    stringstyle     =   \color{magenta},
25    commentstyle    =   \color{red}\rmfamily,
26    breaklines      =   true,   % 自动换行，建议不要写太长的行
27    columns         =   fixed,  % 如果不加这一句，字间距就不固定，很丑，必须加
28    basewidth       =   0.5em,
29}
30
31\lstdefinestyle{C++}{
32    language        =   C++, % 语言选Cpp
33    basicstyle      =   \zihao{-5}\ttfamily,
34    numberstyle     =   \zihao{-5}\ttfamily,
35    keywordstyle    =   \color{blue},
36    keywordstyle    =   [2] \color{teal},
37    stringstyle     =   \color{magenta},
38    commentstyle    =   \color{red}\rmfamily,
39    breaklines      =   true,   % 自动换行，建议不要写太长的行
40    columns         =   fixed,  % 如果不加这一句，字间距就不固定，很丑，必须加
41    basewidth       =   0.5em,
42}

1\lstinputlisting[
2    style       =   C++,
3    caption     =   {\bf test.cpp},
4    label       =   {test.cpp}
5]{C:\\Users\\11\\Desktop\\test.cpp}