vim 配置，我本机的配置[windows]

set nocompatible
source $VIMRUNTIME/vimrc_example.vim
source $VIMRUNTIME/mswin.vim
behave mswin
set nobackup
set diffexpr=MyDiff()
function MyDiff()
let opt = '-a --binary '
if &diffopt =~ 'icase' | let opt = opt . '-i ' | endif
if &diffopt =~ 'iwhite' | let opt = opt . '-b ' | endif
let arg1 = v:fname_in
if arg1 =~ ' ' | let arg1 = '"' . arg1 . '"' | endif
let arg2 = v:fname_new
if arg2 =~ ' ' | let arg2 = '"' . arg2 . '"' | endif
let arg3 = v:fname_out
if arg3 =~ ' ' | let arg3 = '"' . arg3 . '"' | endif
let eq = ''
if $VIMRUNTIME =~ ' '
if &sh =~ '\<cmd'
let cmd = '""' . $VIMRUNTIME . '\diff"'
let eq = '"'
else
let cmd = substitute($VIMRUNTIME, ' ', '" ', '') . '\diff"'
endif
else
let cmd = $VIMRUNTIME . '\diff'
endif
silent execute '!' . cmd . ' ' . opt . arg1 . ' ' . arg2 . ' > ' . arg3 . eq
endfunction
"显示行号
set nu!
colorscheme desert
syntax enable
syntax on

set encoding=utf-
set fileencodings=utf-,chinese,latin-
if has("win32")
set fileencoding=chinese
else
set fileencoding=utf-
endif
"解决菜单乱码
source $VIMRUNTIME/delmenu.vim
source $VIMRUNTIME/menu.vim
"解决consle输出乱码
language messages zh_CN.utf-
"NERDTree快捷键
nmap <F2> :NERDTree <CR>
" NERDTree.vim
let g:NERDTreeWinPos="left"
let g:NERDTreeWinSize=
let g:NERDTreeShowLineNumbers=
let g:neocomplcache_enable_at_startup = 

"默认最大化窗口打开
au GUIEnter * simalt ~x

"设置tab缩进
set smarttab
set tabstop=
set shiftwidth=
set expandtab

Linux

set nocompatible
source $VIMRUNTIME/vimrc_example.vim
source $VIMRUNTIME/mswin.vim
behave mswin
set nobackup
set diffexpr=MyDiff()
function MyDiff()
let opt = '-a --binary '
if &diffopt =~ 'icase' | let opt = opt . '-i ' | endif
if &diffopt =~ 'iwhite' | let opt = opt . '-b ' | endif
let arg1 = v:fname_in
if arg1 =~ ' ' | let arg1 = '"' . arg1 . '"' | endif
let arg2 = v:fname_new
if arg2 =~ ' ' | let arg2 = '"' . arg2 . '"' | endif
let arg3 = v:fname_out
if arg3 =~ ' ' | let arg3 = '"' . arg3 . '"' | endif
let eq = ''
if $VIMRUNTIME =~ ' '
if &sh =~ '\<cmd'
let cmd = '""' . $VIMRUNTIME . '\diff"'
let eq = '"'
else
let cmd = substitute($VIMRUNTIME, ' ', '" ', '') . '\diff"'
endif
else
let cmd = $VIMRUNTIME . '\diff'
endif
silent execute '!' . cmd . ' ' . opt . arg1 . ' ' . arg2 . ' > ' . arg3 . eq
endfunction
"显示行号
colorscheme desert
syntax enable
syntax on

set encoding=utf-
set fileencodings=utf-,chinese,latin-
if has("win32")
set fileencoding=chinese
else
set fileencoding=utf-
endif
"解决菜单乱码
source $VIMRUNTIME/delmenu.vim
source $VIMRUNTIME/menu.vim
"解决consle输出乱码
language messages zh_CN.utf-
"NERDTree快捷键
nmap <F2> :NERDTree <CR>
" NERDTree.vim
let g:NERDTreeWinPos="left"
let g:NERDTreeWinSize=
let g:NERDTreeShowLineNumbers=
let g:neocomplcache_enable_at_startup = 

"默认最大化窗口打开
au GUIEnter * simalt ~x

"设置tab缩进
set smarttab
set tabstop=
set shiftwidth=
set expandtab