vim配置

# vim配置
- 全局： /etc/vimrc
- 个人：~/.vimrc

## 配置
vimrc使用双引号`"`开头为注释

使用前需要安装vim-plug
```
curl -fLo ~/.vim/autoload/plug.vim --create-dirs \
https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim
```

```
" 修改颜色，深蓝色太难看清
hi CursorLine cterm=none ctermbg=234 ctermfg=green guibg=black
hi CursorColumn cterm=none ctermbg=234 ctermfg=none guibg=black
hi commit cterm=none ctermbg=black ctermfg=63
" 修改tab输入，将缩进符号更换为4个空格
set ts=4
set expandtab
set autoindent
" 增加十字定位 cuc：列，cul：行
" set cuc cul
" 编辑yaml文件时tab输入两个空格
autocmd FileType yaml setlocal sw=2 ts=2 et ai
" 禁用自动注释
set paste
" 设置查询高亮
set hlsearch
" 设置忽略大小写查询
" set ic
set ruler
" An example for a vimrc file.
"
" Maintainer:   Bram Moolenaar <Bram@vim.org>
" Last change:  2014 Nov 05
"
" To use it, copy it to
"     for Unix and OS/2:  ~/.vimrc
"             for Amiga:  s:.vimrc
"  for MS-DOS and Win32:  $VIM\_vimrc
"           for OpenVMS:  sys$login:.vimrc
" When started as "evim", evim.vim will already have done these settings.
if v:progname =~? "evim"
  finish
endif
" Use Vim settings, rather than Vi settings (much better!).
" This must be first, because it changes other options as a side effect.
set nocompatible
" allow backspacing over everything in insert mode
set backspace=indent,eol,start
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)
  set undofile          " keep an undo file (undo changes after closing)
endif
set history=50          " keep 50 lines of command line history
set ruler               " show the cursor position all the time
set showcmd             " display incomplete commands
set incsearch           " do incremental searching
" For Win32 GUI: remove 't' flag from 'guioptions': no tearoff menu entries
" let &guioptions = substitute(&guioptions, "t", "", "g")
" Don't use Ex mode, use Q for formatting
map Q gq
" CTRL-U in insert mode deletes a lot.  Use CTRL-G u to first break undo,
" so that you can undo CTRL-U after inserting a line break.
inoremap <C-U> <C-G>u<C-U>
" In many terminal emulators the mouse works just fine, thus enable it.
if has('mouse')
  set mouse=
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
" Only do this part when compiled with support for autocommands.
if has("autocmd")
  " Enable file type detection.
  " Use the default filetype settings, so that mail gets 'tw' set to 72,
  " 'cindent' is on in C files, etc.
  " Also load indent files, to automatically do language-dependent indenting.
  filetype plugin indent on
  " 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
  " When editing a file, always jump to the last known cursor position.
  " Don't do it when the position is invalid or when inside an event handler
  " (happens when dropping a file on gvim).
  " Also don't do it when the mark is in the first line, that is the default
  " position when opening a file.
  autocmd BufReadPost *
    \ if line("'\"") > 1 && line("'\"") <= line("$") |
    \   exe "normal! g`\"" |
    \ endif
  augroup END
else
  set autoindent                " always set autoindenting on
endif " has("autocmd")
" Convenient command to see the difference between the current buffer and the
" file it was loaded from, thus the changes you made.
" Only define it when not defined already.
if !exists(":DiffOrig")
  command DiffOrig vert new | set bt=nofile | r ++edit # | 0d_ | diffthis
                  \ | wincmd p | diffthis
endif
if has('langmap') && exists('+langnoremap')
  " Prevent that the langmap option applies to characters that result from a
  " mapping.  If unset (default), this may break plugins (but it's backward
  " compatible).
  set langnoremap
endif

call plug#begin()
Plug 'junegunn/vim-easy-align'
Plug 'preservim/nerdtree'
Plug 'Yggdroot/LeaderF', { 'do': './install.sh' }
Plug 'vim-airline/vim-airline'
Plug 'vim-airline/vim-airline-themes'
Plug 'luochen1990/rainbow'
Plug 'iamcco/mathjax-support-for-mkdp'
Plug 'iamcco/markdown-preview.vim'

"********************************前端插件：react，html等*******************************"
Plug 'pangloss/vim-javascript'
Plug 'leafgarland/typescript-vim'
Plug 'peitalin/vim-jsx-typescript'
Plug 'styled-components/vim-styled-components', { 'branch': 'main' }
Plug 'jparise/vim-graphql'

call plug#end()

" start markdown
nmap <silent> <F8> <Plug>MarkdownPreview        " for normal mode
imap <silent> <F8> <Plug>MarkdownPreview        " for insert mode
nmap <silent> <F9> <Plug>StopMarkdownPreview    " for normal mode
imap <silent> <F9> <Plug>StopMarkdownPreview    " for insert mode
" end makrdown

let g:rainbow_active = 1

" vim-airline
set laststatus=2  "永远显示状态栏
let g:airline_powerline_fonts = 1  " 支持 powerline 字体
let g:airline#extensions#tabline#enabled = 1 " 显示窗口tab和buffer
" let g:airline_theme='molokai'  " murmur配色不错

if !exists('g:airline_symbols')
let g:airline_symbols = {}
endif
let g:airline_left_sep = '▶'
let g:airline_left_alt_sep = '❯'
let g:airline_right_sep = '◀'
let g:airline_right_alt_sep = '❮'
let g:airline_symbols.linenr = '¶'
let g:airline_symbols.branch = '⎇'
" end vim-airline

```