vim中实现括号和引号自动补全

将下面内容加入.vimrc文件中即可

inoremap ( ()<Esc>i
inoremap [ []<Esc>i
inoremap { {<CR>}<Esc>O
autocmd Syntax html,vim inoremap < <lt>><Esc>i| inoremap > <c-r>=ClosePair('>')<CR>
inoremap ) <c-r>=ClosePair(')')<CR>
inoremap ] <c-r>=ClosePair(']')<CR>
inoremap } <c-r>=CloseBracket()<CR>
inoremap " <c-r>=QuoteDelim('"')<CR>
inoremap ' <c-r>=QuoteDelim("'")<CR>

function ClosePair(char)
if getline('.')[col('.') - 1] == a:char
return "\<Right>"
else
return a:char
endif
endf

function CloseBracket()
if match(getline(line('.') + 1), '\s*}') < 0
return "\<CR>}"
else
return "\<Esc>j0f}a"
endif
endf

function QuoteDelim(char)
let line = getline('.')
let col = col('.')
if line[col - 2] == "\\"
"Inserting a quoted quotation mark into the string
return a:char
elseif line[col - 1] == a:char
"Escaping out of the string
return "\<Right>"
else
"Starting a string
return a:char.a:char."\<Esc>i"
endif
endf