rmarkdown

Beamer Header

---
title: "$1"
subtitle: '$2'
author: Gao chenzghi
institute: AHAU
date: $3
output:
  beamer_presentation:
    theme: "AnnArbor"
    includes:
            in_header: 1header.tex
        # keep_tex: yes   
    latex_engine: xelatex
    colortheme: "dolphin"
    fonttheme: "structurebold"
---

Latex article

---
title: "How to read the book" 
author: John Doe 
date: March 22, 2005 
output: 
    pdf_document:
        toc: true
        number_sections: true
        includes:
            in_header: header.tex
        # keep_tex: yes   
        latex_engine: xelatex
        fig_width: 7 
        fig_height: 6 
        fig_caption: true
        highlight: tango
        # citation_package: biblatex
        keep_tex: true
        # template: quarterly-report.tex
---

Header

Just type

\usepackage{ctex} 
\usepackage[BoldFont,SlantFont,CJKsetspaces,CJKchecksingle]{xeCJK}
\setCJKmainfont[BoldFont=SimSun]{Microsoft YaHei} %我是雅黑控
\setCJKmonofont{SimSun}% 设置缺省中文字体
\parindent 2em   %段首缩进

Pic

![图片alt](图片地址 ''图片title'')