https://github.com/segersniels/sublime-markdown-2-pdf
过程： 1） 安装MiKTeX 2) 安装Pandoc 3 )定制sublime text的build system
3.1）创建一个新的build system（Go to Tools > Build System > New Build System ...）并保存（Sublime Text 3/Packages/User）：
{
"shell_cmd": "pandoc -o "$file.pdf" "$file" && open -a Preview "$file.pdf"",
"selector": "text.html.markdown",
"path": "C:\Program Files (x86)\Pandoc:$PATH"
}
3.2）选择这个新的build system （go back to Tools > Build System and select your new build.）