vi、vim 配置上下左右方向键和删除键

 1 " An example for a vimrc file.
 2 "
 3 " Maintainer: Bram Moolenaar <Bram@vim.org>
 4 " Last change: 2002 Sep 19
 5 "
 6 " To use it, copy it to
 7 " for Unix and OS/2: ~/.vimrc
 8 " for Amiga: s:.vimrc
 9 " for MS-DOS and Win32: $VIM\_vimrc
10 " for OpenVMS: sys$login:.vimrc
11 
12 " When started as "evim", evim.vim will already have done these settings.
13 if v:progname =~? "evim"
14 finish
15 endif
16 
17 " Use Vim settings, rather then Vi settings (much better!).
18 " This must be first, because it changes other options as a side effect.
19 set nocompatible
20 
21 " allow backspacing over everything in insert mode
22 set backspace=indent,eol,start
23 
24 if has("vms")
25 set nobackup " do not keep a backup file, use versions instead
26 else
27 set backup " keep a backup file
28 endif
29 set history=50 " keep 50 lines of command line history
30 set ruler " show the cursor position all the time
31 set showcmd " display incomplete commands
32 set incsearch " do incremental searching
33 
34 " For Win32 GUI: remove ‘t‘ flag from ‘guioptions‘: no tearoff menu entries
35 " let &guioptions = substitute(&guioptions, "t", "", "g")
36 
37 " Don‘t use Ex mode, use Q for formatting
38 map Q gq
39 
40 " This is an alternative that also works in block mode, but the deleted
41 " text is lost and it only works for putting the current register.
42 "vnoremap p "_dp
43 
44 " Switch syntax highlighting on, when the terminal has colors
45 " Also switch on highlighting the last used search pattern.
46 if &t_Co > 2 || has("gui_running")
47 syntax on
48 set hlsearch
49 endif
50 
51 " Only do this part when compiled with support for autocommands.
52 if has("autocmd")
53 
54 " Enable file type detection.
55 " Use the default filetype settings, so that mail gets ‘tw‘ set to 72,
56 " ‘cindent‘ is on in C files, etc.
57 " Also load indent files, to automatically do language-dependent indenting.
58 filetype plugin indent on
59 
60 " Put these in an autocmd group, so that we can delete them easily.
61 augroup vimrcEx
62 au!
63 
64 " For all text files set ‘textwidth‘ to 78 characters.
65 autocmd FileType text setlocal textwidth=78
66 
67 " When editing a file, always jump to the last known cursor position.
68 " Don‘t do it when the position is invalid or when inside an event handler
69 " (happens when dropping a file on gvim).
70 autocmd BufReadPost *
71 \ if line("‘\"") > 0 && line("‘\"") <= line("$") |
72 \ exe "normal g`\"" |
73 \ endif
74 
75 augroup END
76 
77 else
78 
79 set autoindent " always set autoindenting on
80 
81 endif " has("autocmd")