.vimrc

" An example for a vimrc file.
"
" Maintainer:   The Vim Project <https://github.com/vim/vim>
" Last Change:  2023 Aug 10
" Former Maintainer:    Bram Moolenaar <Bram@vim.org>
"
" To use it, copy it to
"          for Unix:  ~/.vimrc
"         for Amiga:  s:.vimrc
"    for MS-Windows:  $VIM\_vimrc
"         for Haiku:  ~/config/settings/vim/vimrc
"       for OpenVMS:  sys$login:.vimrc

" When started as "evim", evim.vim will already have done these settings, bail
" out.
if v:progname =~? "evim"
    finish
endif

" Get the defaults that most users want.
source $VIMRUNTIME/defaults.vim

if has("vms")
    set nobackup        " do not keep a backup file, use versions instead
else
    set backup      " keep a backup file (restore to previous version)
    if has('persistent_undo')
        set undofile    " keep an undo file (undo changes after closing)
    endif
endif

if &t_Co > 2 || has("gui_running")
    " Switch on highlighting the last used search pattern.
    set hlsearch
endif

" Put these in an autocmd group, so that we can delete them easily.
augroup vimrcEx
    au!

    " For all text files set 'textwidth' to 78 characters.
    autocmd FileType text setlocal textwidth=78
augroup END

" Add optional packages.
"
" The matchit plugin makes the % command work better, but it is not backwards
" compatible.
" The ! means the package won't be loaded right away but when plugins are
" loaded during initialization.
if has('syntax') && has('eval')
    packadd! matchit
endif

" 不兼容vi
set nocompatible

" 文件编码
set encoding=utf-8

" 制表符
set noexpandtab
set shiftwidth=4
set tabstop=4
set softtabstop=4
set autoindent
set smartindent
set cindent

" 状态栏
set statusline=%-040.40(%F%m%)%-030.30([%l,%c]%)%p%%
set laststatus=2
set showcmd
set showmode

" 行号
set number
set relativenumber

" 补全模式
set wildmenu
set wildmode=longest,list,full

" 配色
set t_Co=256
colorscheme slate

" 列表
" set list
set listchars=eol:$,tab:>-,space:_