先看看效果如何：
Vim latex 自动补全
一般情况下，小的文档都是用 texworks 编辑的。但是 texworks 不如 vim 的操作方便，所以今天配置了一下。需要先安装 vim-plug ：
然后安装 ultisnips 和vim-snippets：
" vim-plug
call plug#begin('~/.vim/plugged')
Plug 'SirVer/ultisnips'
Plug 'honza/vim-snippets'
call plug#end()"
接着配置 ultisnips：
mkdir ~/.vim/UltiSnips
cd ~/.vim/UltiSnips
cd .>tex.snippets
现在打开用vim打开 tex.snippets
:e ~/.vim/tex.snippets
定义一个文档snippet：
snippet doca "article" b
\documentclass[11pt]{article}
\usepackage{fontspec, xunicode, xltxtra}
\usepackage[tmargin=1in,bmargin=1in,lmargin=1.25in,rmargin=1.25in]{geometry}
\setmainfont{STSongti-TC-Bold}[
BoldFont = ToppanBunkyuMidashiMinchoStdN-ExtraBold,
ItalicFont = HYShangWeiShouShuW-Regular,
%BoldItalicFont = texgyrepagella-bolditalic.otf
]
\usepackage{etoolbox}}
\begin{document}
${0}
\end{document}
endsnippet
$0 代表鼠标所在的位置
b 代表
UltiSnips 会自动抓取最新的修改，所以我们不用重启 vim，只要保存了 snippet 文件，就可以直接使用。简单来说，定义的一段 snip 的格式是这样的：
- snippet 关键词 “说明” 设定
- 内容
- endsnippet
在刚才那段 snip 里，std 就是我们可以展开的 关键词，"use namespace std"是一段说明（如果你用一些自动补全的插件，这段说明就会显示出来，我们之后自然会提到，放心），而 b 的是关于这个 snip 的设定，
- b 代表只有关键词出现在行首的时候，才可以被展开
- A 代表自动展开
-
w 代表可以展开这个 “词”，具体 “词” 的定义可以查看
:help iskeyword。直观感觉就是，这个关键词是单独的，和其他文字分开的。比如前后都是空格。 -
i 代表可以忽略前后字节，直接展开关键词。（这个设定比 w 要更松）
其他的还有r, s, t, m等等，都可以通过这个命令在自带文档里找到:
:help ultisnip
来看看别人效果
image
代码如下：
snippet class "class" b
class ${1:Class}{
public:
// constructors, asssignment, destructor
$1();
$1(const $1&);
$1& operator=(const $1&);
~$1();
private:
};
endsnippet
这是我的基本配置：
snippet doca "article" b
\documentclass[11pt]{article}
\usepackage{fontspec, xunicode, xltxtra}
\usepackage[tmargin=1in,bmargin=1in,lmargin=1.25in,rmargin=1.25in]{geometry}
\setmainfont{STSongti-TC-Bold}[
BoldFont = ToppanBunkyuMidashiMinchoStdN-ExtraBold,
ItalicFont = HYShangWeiShouShuW-Regular,
%BoldItalicFont = texgyrepagella-bolditalic.otf
]
\usepackage{etoolbox}}
\begin{document}
${0}
\end{document}
endsnippet
snippet docb "book" b
\documentclass[11pt]{book}
\usepackage{fontspec, xunicode, xltxtra}
\usepackage[tmargin=1in,bmargin=1in,lmargin=1.25in,rmargin=1.25in]{geometry}
\setmainfont{STSongti-TC-Bold}[
BoldFont = ToppanBunkyuMidashiMinchoStdN-ExtraBold,
ItalicFont = HYShangWeiShouShuW-Regular,
%BoldItalicFont = texgyrepagella-bolditalic.otf
]
\usepackage{fontenc}
\begin{document}
${0}
\end{document}
endsnippet
snippet bfd "bdseries"
{\bfseries ${0}}
endsnippet
snippet ttd "ttfamily"
{\ttfamily ${0}}
endsnippet
snippet sfd "sffamily"
{\sffamily ${0}}
endsnippet
snippet scd "scshape"
{\scshape ${0}}
endsnippet
snippet sld "slshape"
{\slshape ${0}}
endsnippet
snippet itd "itshape"
{\itshape ${0}}
endsnippet
snippet upd "upshape"
{\upshape ${0}}
endsnippet
snippet emd "em"
{\em ${0}}
endsnippet
snippet bf "textbf"
{\textbf ${0}}
endsnippet
snippet tt "texttt"
{\texttt ${0}}
endsnippet
snippet sf "textsf"
{\textsf ${0}}
endsnippet
snippet sc "textsc"
{\textsc ${0}}
endsnippet
snippet sl "textsl"
{\textsl ${0}}
endsnippet
snippet it "textit"
{\textit ${0}}
endsnippet
snippet tup "textup"
{\textup ${0}}
endsnippet
snippet abs "abstract"
\begin{abstract}
${0}
\end{abstract}
endsnippet
snippet ali "align"
\begin{align}
${0}
\end{align}
endsnippet
snippet tab "tabular"
\begin{tabular}
\item ${0}
\end{tabular}
endsnippet
snippet app "appendix"
\begin{appendix}
${0}
\end{appendix}
endsnippet
snippet bma "bmatrix"
\begin{bmatrix}
${0}
\end{bmatrix}
endsnippet
snippet pma "pmatrix"
\begin{pmatrix}
${0}
\end{pmatrix}
endsnippet
snippet cas "cases"
\begin{cases}
${0}
\end{cases}
endsnippet
snippet des "description"
\begin{description}
\item[${0}]
\end{description}
endsnippet
snippet cen "center"
\begin{center}
${0}
\end{center}
endsnippet
snippet equ "equation"
\begin{equation}
${0}
\end{equation}
endsnippet
snippet enu "enumerate"
\begin{enumerate}
${0}
\end{enumerate}
endsnippet
snippet eqn "eqnarray"
\begin{eqnarray}
${0}
\end{eqnarray}
endsnippet
snippet fig "figure"
\begin{figure}
${0}
\end{figure}
endsnippet
snippet fla "flalign"
\begin{flalign}
${0}
\end{flalign}
endsnippet
snippet gat "gather"
\begin{gather}
${0}
\end{gather}
endsnippet
snippet ite "item"
\begin{item}
\item ${0}
\end{item}
endsnippet
snippet let "letter"
\begin{letter}
${0}
\end{letter}
endsnippet
snippet lis "list"
\begin{list}
${0}
\end{list}
endsnippet
snippet min "minipage"
\begin{minipage}
${0}
\end{minipage}
endsnippet
snippet mul "multiline"
\begin{multiline}
${0}
\end{multiline}
endsnippet
snippet pic "picture"
\begin{picture}
${0}
\end{picture}
endsnippet
snippet spl "split"
\begin{split}
${0}
\end{split}
endsnippet
snippet sub "subequations"
\begin{subequations}
${0}
\end{subequations}
endsnippet
snippet the "theorem"
\begin{theorem}
${0}
\end{theorem}
endsnippet
snippet tit "titlepage"
\begin{titlepage}
${0}
\end{titlepage}
endsnippet
snippet tri "trivlist"
\begin{trivlist}
${0}
\end{trivlist}
endsnippet
snippet var "varwidth"
\begin{varwidth}
${0}
\end{varwidth}
endsnippet
snippet ver "verbatim"
\begin{verbatim}
${0}
\end{verbatim}
endsnippet
snippet tex "\TeX"
{\TeX}${0}
endsnippet
snippet lx "\LaTeX"
{\LaTeX}${0}
endsnippet
snippet ttl "\title{}"
\title{${0}}
endsnippet
snippet aut "\author"
\author{${0}}
endsnippet
snippet cha "\chapter"
\chapter{${0}}
endsnippet
snippet sec "\section"
\section{${0}}
endsnippet
snippet subs "\subsection"
\subsection{${0}}
endsnippet
snippet [ "\[...\]"
\[
${0}
\]
endsnippet
snippet $ "$...$ inline"
$${0}$
endsnippet
snippet $$ "$$...$$"
$$
${0}
$$
endsnippet
snippet fl "\flushleft"
{\flushleft ${0}}
endsnippet
snippet fr "\flushright"
{\flushright ${0}}
endsnippet
参考：
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