inoremap ( ()<ESC>i
inoremap [ []<ESC>i
inoremap { {}<ESC>i
inoremap < <><ESC>i
inoremap ‘ ‘‘<ESC>i
inoremap " ""<ESC>i
set nu
set tabstop=2
set ruler
set ai
set autoindent
set shiftwidth=4
set tabstop=8
set showmatch
set magic
set mouse=a
set selection=exclusive
set selectmode=mouse,key
原文：https://www.cnblogs.com/lonelamb/p/11628880.html