neo|vim高效编辑的基本配置

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把随身Linux系统格式化重装之后，发现用作Linux数据全盘备份的固态硬盘坏了。
只好找到另一块数据备份的机械硬盘，以恢复随身Linux系统的数据。但是三大件（zsh, tmux, neovim）的配置文件还是几年前的状态。

zsh，tmux还好，但是neovim的插件都太旧了。趁着这次机会，把neovim相关功能替换成更新潮的插件。但在此之前，我需要把先前的neovim的配置清理一下，提炼出我欣赏的基本功能，并把这些配置做成neovim、vim通用的状态。

安装neovim插件工具

在Windows系统的wsl终端中，为neovim安装插件管理工具vim-plug，指令如下：

1 2	sh -c 'curl -fLo "${XDG_DATA_HOME:-$HOME/.local/share}"/nvim/site/autoload/plug.vim --create-dirs \ https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim'

清理后的init.vim配置

set number 
set linebreak
set cursorline
set cursorcolumn
set tabstop=4
set expandtab
set shiftwidth=4
set textwidth=120  "设置文本行最长
set nowrap  "不要自动折行
set guifont=Ubuntu\ Mono\ 13
set foldmethod=marker   " code fold method
"
"python provider  ref. :he python-provider
let g:python3_host_prog = '/usr/bin/python3'
let g:python_host_prog = '/usr/bin/python'


" Vim-Plug (no Plug)  "{{{
" Specify a directory for plugins (for Neovim: ~/.local/share/nvim/plugged)
call plug#begin('~/.vim/plugged')
" Make sure you use single quotes
Plug 'flazz/vim-colorschemes'
Plug 'jlanzarotta/colorSchemeExplorer'
Plug 'vim-airline/vim-airline'
Plug 'vim-airline/vim-airline-themes'
Plug 'jpalardy/vim-slime'
Plug 'edkolev/tmuxline.vim'
Plug 'luochen1990/rainbow'

Plug 'troydm/zoomwintab.vim'
Plug 'zhaocai/GoldenView.Vim'
Plug 'kien/ctrlp.vim'
Plug '907th/vim-auto-save'

Plug 'kshenoy/vim-signature'
Plug 'dimasg/vim-mark'
Plug 'terryma/vim-expand-region'
Plug 'Lokaltog/vim-easymotion'
Plug 'junegunn/vim-easy-align'
Plug 'vim-scripts/VisIncr'
Plug 'cohama/lexima.vim'
Plug 'scrooloose/nerdcommenter'
Plug 'majutsushi/tagbar'

" Initialize plugin system
call plug#end()
"}}}

"------ ColorScheme个性化配置命令------"{{{
set background=dark

"colors molokai
"colors Monokai
colors monokai-chris
"专为Monokai设置的背景色和选中项目颜色
hi Pmenu ctermbg=127
hi PmenuSel ctermbg=105
"}}}

"------ vim-airline ------ "{{{
let g:airline_powerline_fonts = 1
let g:airline#extensions#tabline#enabled = 1
let g:airline#extensions#tabline#buffer_idx_mode = 1

nmap <leader>1 <Plug>AirlineSelectTab1
nmap <leader>2 <Plug>AirlineSelectTab2
nmap <leader>3 <Plug>AirlineSelectTab3
nmap <leader>4 <Plug>AirlineSelectTab4
nmap <leader>5 <Plug>AirlineSelectTab5
nmap <leader>6 <Plug>AirlineSelectTab6
nmap <leader>7 <Plug>AirlineSelectTab7
nmap <leader>8 <Plug>AirlineSelectTab8
nmap <leader>9 <Plug>AirlineSelectTab9

let g:airline#extensions#tmuxline#enabled = 1
let g:airline_theme="tomorrow"


let airline#extensions#tmuxline#color_template = 'visual'
"}}}

"------ tagbar ------ "{{{
nnoremap tb :TagbarToggle<CR>
let g:tagbar_sort = 0
let g:tagbar_width = 50
let g:tagbar_autofocus = 1
let g:tagbar_show_linenumbers = 2
let g:tagbar_autoclose = 1
let g:tagbar_autoshowtag = 1
"}}}

"------ GoldenView ------"{{{
let g:goldenview__enable_at_startup = 0
let g:goldenview__enable_default_mapping=0
nmap <silent> sv  <Plug>GoldenViewSplit
nmap <silent> tm    <Plug>GoldenViewSwitchMain
nmap <silent> ts    <Plug>GoldenViewSwitchToggle
nmap <silent> tf    <Plug>ToggleGoldenViewAutoResize
nmap <silent> sn    <Plug>GoldenViewNext
nmap <silent> sp    <Plug>GoldenViewPrevious
nmap <silent> tn  :tabn<CR>
nmap <silent> tp  :tabp<CR>
"}}}

"------ luochen1990/rainbow 彩色括号 ------"{{{
let g:rainbow_active = 1 "0 if you want to enable it later via :RainbowToggle
let g:rainbow_conf = {
    \   'guifgs': ['royalblue3', 'darkorange3', 'seagreen3', 'firebrick'],
    \   'ctermfgs': ['lightblue', 'lightyellow', 'lightcyan', 'lightmagenta'],
    \   'operators': '_,_',
    \   'parentheses': ['start=/(/ end=/)/ fold', 'start=/\[/ end=/\]/ fold', 'start=/{/ end=/}/ fold'],
    \   'separately': {
    \       '*': {},
    \       'tex': {
    \           'parentheses': ['start=/(/ end=/)/', 'start=/\[/ end=/\]/'],
    \       },
    \       'lisp': {
    \           'guifgs': ['royalblue3', 'darkorange3', 'seagreen3', 'firebrick', 'darkorchid3'],
    \       },
    \       'vim': {
    \           'parentheses': ['start=/(/ end=/)/', 'start=/\[/ end=/\]/', 'start=/{/ end=/}/ fold', 'start=/(/ end=/)/ containedin=vimFuncBody', 'start=/\[/ end=/\]/ containedin=vimFuncBody', 'start=/{/ end=/}/ fold containedin=vimFuncBody'],
    \       },
    \       'html': {
    \           'parentheses': ['start=/\v\<((area|base|br|col|embed|hr|img|input|keygen|link|menuitem|meta|param|source|track|wbr)[ >])@!\z([-_:a-zA-Z0-9]+)(\s+[-_:a-zA-Z0-9]+(\=("[^"]*"|'."'".'[^'."'".']*'."'".'|[^ '."'".'"><=`]*))?)*\>/ end=#</\z1># fold'],
    \       },
    \       'css': 0,
    \   }
    \}
"}}}

"------ vim-auto-save -------"{{{
let g:auto_save = 1  " enable AutoSave on Vim startup
let g:auto_save_no_updatetime = 1  " do not change the 'updatetime' option
let g:auto_save_in_insert_mode = 0  " do not save while in insert mode
"let g:auto_save_postsave_hook = 'TagsGenerate'  " this will run :TagsGenerate after each sav
"let g:auto_save_events = ["InsertLeave", "TextChanged"]
let g:auto_save_keep_marks = 0 " Don't keep the '[ and '] marks. It will break
                               " the selecting your pasted text mapping:
                               " http://vim.wikia.com/wiki/Selecting_your_pasted_text
"}}}

"------ vim-slime ---------
" bind tmux
let g:slime_target = "tmux"

"------ easy-align -----------
xmap ga <Plug>(EasyAlign)
nmap ga <Plug>(EasyAlign)

"------- vim-mark -------
let g:mwDefaultHighlightingPalette = 'extended'
let g:mwDefaultHighlightingNum = 9

"------ Lokaltog/vim-easymotion -------
map , <Plug>(easymotion-prefix)

"------ ctrlp ------
"let g:ctrlp_extensions = ['quickfix', 'dir']
let g:ctrlp_max_depth = 3 "max depth when search direcories

建立公用的插件文件夹

在上述init.vim配置文件中，如下指令配置了neovim插件的安装位置：

1 2	" Specify a directory for plugins (for Neovim: ~/.local/share/nvim/plugged) call plug#begin('~/.vim/plugged')

之所以放在用户主目录的.vim文件夹之下，是为了与vim编辑器共享插件目录更方便一些。我们不用手动的建立~/.vim/plugged，在利用vim-plug更新插件时，会自动创建该文件夹。终端下执行：

nvim

进入neovim后，在命令模式下：

1	:PlugUpdate

收尾与未来的工作计划

至此，对我认为的核心编辑功能，为neovim完成了配置。对于vim也是类似的道理，我们有如下操作：

# 直接用neovim的配置文件，符号链接为vim的配置文件.vimrc
ln -s ~/.config/nvim/init.vim .vimrc

# 为vim安装vim-plug的插件管理工具
curl -fLo ~/.vim/autoload/plug.vim --create-dirs \
    https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim

启动vim，可以看到如下成功启动的画面；而且vim与neovim公用同一套配置和插件文件。

vim成功启动界面