Linux下vim常用配置

vim的配置文件默認安裝在/etc/vimrc目錄下，vi類似
這些是vim的常用配置

if v:lang =~ "utf8$" || v:lang =~ "UTF-8$"
   set fileencodings=ucs-bom,utf-8,latin1
endif

set nocompatible    " Use Vim defaults (much better!)
set bs=indent,eol,start     " allow backspacing over everything in insert mode
"set ai         " always set autoindenting on
"set backup     " keep a backup file
set viminfo='20,\"50    " read/write a .viminfo file, don't store more
            " than 50 lines of registers
set history=50      " keep 50 lines of command line history
set ruler       " show the cursor position all the time

" Only do this part when compiled with support for autocommands
if has("autocmd")
  augroup redhat
  autocmd!
  " In text files, always limit the width of text to 78 characters
  " autocmd BufRead *.txt set tw=78
  " When editing a file, always jump to the last cursor position
  autocmd BufReadPost *
  \ if line("'\"") > 0 && line ("'\"") <= line("$") |
  \   exe "normal! g'\"" |
  \ endif
  " don't write swapfile on most commonly used directories for NFS mounts or USB sticks
  autocmd BufNewFile,BufReadPre /media/*,/run/media/*,/mnt/* set directory=~/tmp,/var/tmp,/tmp
  " start with spec file template
  autocmd BufNewFile *.spec 0r /usr/share/vim/vimfiles/template.spec
  augroup END
endif

if has("cscope") && filereadable("/usr/bin/cscope")
   set csprg=/usr/bin/cscope
   set csto=0
   set cst
   set nocsverb
   " add any database in current directory
   if filereadable("cscope.out")
      cs add $PWD/cscope.out
   " else add database pointed to by environment
   elseif $CSCOPE_DB != ""
      cs add $CSCOPE_DB
   endif
   set csverb
endif

" Switch syntax highlighting on, when the terminal has colors
" Also switch on highlighting the last used search pattern.
if &t_Co > 2 || has("gui_running")
  syntax on
  set hlsearch
endif

filetype plugin on

if &term=="xterm"
     set t_Co=8
     set t_Sb=[4%dm
     set t_Sf=[3%dm
endif

" Don't wake up system with blinking cursor:
" http://www.linuxpowertop.org/known.php
let &guicursor = &guicursor . ",a:blinkon0"


"與windows共享剪貼板
set clipboard+=unnamed

"顯示行號, 或set number
set nu

"歷史命令保存行數 
set history=100 

"高亮光標所在行
set cursorline

"允許使用鼠標點擊定位
set mouse=a


"狀態欄顯示當前執行的命令
set showcmd

"標尺功能，顯示當前光標所在行列號
set ruler

"設置命令行高度爲3
set cmdheight=3

"粘貼時保持格式
set paste

"高亮顯示匹配的括號
set showmatch

"在搜索的時候忽略大小寫
set ignorecase

"高亮被搜索的句子
set hlsearch

"在搜索時，輸入的詞句的逐字符高亮（類似firefox的搜索）
set incsearch

"繼承前一行的縮進方式，特別適用於多行註釋
set autoindent

"爲C程序提供自動縮進
set smartindent

"使用C樣式的縮進
set cindent

"製表符爲4
set tabstop=4

"統一縮進爲4
set softtabstop=4
set shiftwidth=4

"允許使用退格鍵，或set backspace=2
set backspace=eol,start,indent
set whichwrap+=<,>,h,l

"取消換行
set nowrap

"啓動的時候不顯示那個援助索馬里兒童的提示
set shortmess=atI

"在被分割的窗口間顯示空白，便於閱讀
set fillchars=vert:\ ,stl:\ ,stlnc:\

"光標移動到buffer的頂部和底部時保持3行距離, 或set so=3
set scrolloff=3

"設定默認解碼
set fenc=utf-8
set fencs=utf-8,usc-bom,euc-jp,gb18030,gbk,gb2312,cp936

"設定字體
set guifont=Courier_New:h11:cANSI
set guifontwide=新宋體:h11:cGB2312

"設定編碼
set enc=utf-8
set fileencodings=ucs-bom,utf-8,chinese
set langmenu=zh_CN.UTF-8
language message zh_CN.UTF-8
source $VIMRUNTIME/delmenu.vim
source $VIMRUNTIME/menu.vim

"自動補全
filetype plugin indent on
set completeopt=longest,menu

"自動補全命令時候使用菜單式匹配列表
set wildmenu
autocmd FileType ruby,eruby set omnifunc=rubycomplete#Complete
autocmd FileType python set omnifunc=pythoncomplete#Complete
autocmd FileType javascript set omnifunc=javascriptcomplete#CompleteJS
autocmd FileType html set omnifunc=htmlcomplete#CompleteTags
autocmd FileType css set omnifunc=csscomplete#CompleteCSS
autocmd FileType xml set omnifunc=xmlcomplete#CompleteTags
autocmd FileType java set omnifunc=javacomplete#Complet