neovim使用vim-plug安装coc.vim让你的vim/nvim跟vscode一样聪明

vim-plug的安装就不说了

安装coc.vim

1. 在.vimrc或init.vim里添加以下代码

   " 安装coc.nvim
   Plug 'https://gitee.com/huang_jian_hua/coc.nvim.git', {'branch': 'release'}
   

2. 然后重新启动Vim并运行:PlugInstall。

3. 在.vimrc或init.vim里添加以下代码

   " ==========================coc.vim设置==================================
   " Set internal encoding of vim, not needed on neovim, since coc.nvim using some
   " unicode characters in the file autoload/float.vim
   set encoding=utf-8
   
   " TextEdit might fail if hidden is not set.
   set hidden
   
   " Some servers have issues with backup files, see #649.
   set nobackup
   set nowritebackup
   
   " Give more space for displaying messages.
   set cmdheight=2
   
   " Having longer updatetime (default is 4000 ms = 4 s) leads to noticeable
   " delays and poor user experience.
   set updatetime=300
   
   " Don't pass messages to |ins-completion-menu|.
   set shortmess+=c
   
   " Always show the signcolumn, otherwise it would shift the text each time
   " diagnostics appear/become resolved.
   if has("patch-8.1.1564")
     " Recently vim can merge signcolumn and number column into one
     set signcolumn=number
   else
     set signcolumn=yes
   endif
   
   " Use tab for trigger completion with characters ahead and navigate.
   " NOTE: Use command ':verbose imap <tab>' to make sure tab is not mapped by
   " other plugin before putting this into your config.
   inoremap <silent><expr> <TAB>
         \ pumvisible() ? "\<C-n>" :
         \ <SID>check_back_space() ? "\<TAB>" :
         \ coc#refresh()
   inoremap <expr><S-TAB> pumvisible() ? "\<C-p>" : "\<C-h>"
   
   function! s:check_back_space() abort
     let col = col('.') - 1
     return !col || getline('.')[col - 1]  =~# '\s'
   endfunction
   
   " Use <c-space> to trigger completion.
   if has('nvim')
     inoremap <silent><expr> <c-space> coc#refresh()
   else
     inoremap <silent><expr> <c-@> coc#refresh()
   endif
   
   " Make <CR> auto-select the first completion item and notify coc.nvim to
   " format on enter, <cr> could be remapped by other vim plugin
   inoremap <silent><expr> <cr> pumvisible() ? coc#_select_confirm()
                                 \: "\<C-g>u\<CR>\<c-r>=coc#on_enter()\<CR>"
   
   " Use `[g` and `]g` to navigate diagnostics
   " Use `:CocDiagnostics` to get all diagnostics of current buffer in location list.
   nmap <silent> [g <Plug>(coc-diagnostic-prev)
   nmap <silent> ]g <Plug>(coc-diagnostic-next)
   
   " GoTo code navigation.
   nmap <silent> gd <Plug>(coc-definition)
   nmap <silent> gy <Plug>(coc-type-definition)
   nmap <silent> gi <Plug>(coc-implementation)
   nmap <silent> gr <Plug>(coc-references)
   
   " Use K to show documentation in preview window.
   nnoremap <silent> K :call <SID>show_documentation()<CR>
   
   function! s:show_documentation()
     if (index(['vim','help'], &filetype) >= 0)
       execute 'h '.expand('<cword>')
     elseif (coc#rpc#ready())
       call CocActionAsync('doHover')
     else
       execute '!' . &keywordprg . " " . expand('<cword>')
     endif
   endfunction
   
   " Highlight the symbol and its references when holding the cursor.
   autocmd CursorHold * silent call CocActionAsync('highlight')
   
   " Symbol renaming.
   nmap <leader>rn <Plug>(coc-rename)
   
   " Formatting selected code.
   xmap <leader>f  <Plug>(coc-format-selected)
   nmap <leader>f  <Plug>(coc-format-selected)
   
   augroup mygroup
     autocmd!
     " Setup formatexpr specified filetype(s).
     autocmd FileType typescript,json setl formatexpr=CocAction('formatSelected')
     " Update signature help on jump placeholder.
     autocmd User CocJumpPlaceholder call CocActionAsync('showSignatureHelp')
   augroup end
   
   " Applying codeAction to the selected region.
   " Example: `<leader>aap` for current paragraph
   xmap <leader>a  <Plug>(coc-codeaction-selected)
   nmap <leader>a  <Plug>(coc-codeaction-selected)
   
   " Remap keys for applying codeAction to the current buffer.
   nmap <leader>ac  <Plug>(coc-codeaction)
   " Apply AutoFix to problem on the current line.
   nmap <leader>qf  <Plug>(coc-fix-current)
   
   " Map function and class text objects
   " NOTE: Requires 'textDocument.documentSymbol' support from the language server.
   xmap if <Plug>(coc-funcobj-i)
   omap if <Plug>(coc-funcobj-i)
   xmap af <Plug>(coc-funcobj-a)
   omap af <Plug>(coc-funcobj-a)
   xmap ic <Plug>(coc-classobj-i)
   omap ic <Plug>(coc-classobj-i)
   xmap ac <Plug>(coc-classobj-a)
   omap ac <Plug>(coc-classobj-a)
   
   " Remap <C-f> and <C-b> for scroll float windows/popups.
   if has('nvim-0.4.0') || has('patch-8.2.0750')
     nnoremap <silent><nowait><expr> <C-f> coc#float#has_scroll() ? coc#float#scroll(1) : "\<C-f>"
     nnoremap <silent><nowait><expr> <C-b> coc#float#has_scroll() ? coc#float#scroll(0) : "\<C-b>"
     inoremap <silent><nowait><expr> <C-f> coc#float#has_scroll() ? "\<c-r>=coc#float#scroll(1)\<cr>" : "\<Right>"
     inoremap <silent><nowait><expr> <C-b> coc#float#has_scroll() ? "\<c-r>=coc#float#scroll(0)\<cr>" : "\<Left>"
     vnoremap <silent><nowait><expr> <C-f> coc#float#has_scroll() ? coc#float#scroll(1) : "\<C-f>"
     vnoremap <silent><nowait><expr> <C-b> coc#float#has_scroll() ? coc#float#scroll(0) : "\<C-b>"
   endif
   
   " Use CTRL-S for selections ranges.
   " Requires 'textDocument/selectionRange' support of language server.
   nmap <silent> <C-s> <Plug>(coc-range-select)
   xmap <silent> <C-s> <Plug>(coc-range-select)
   
   " Add `:Format` command to format current buffer.
   command! -nargs=0 Format :call CocAction('format')
   
   " Add `:Fold` command to fold current buffer.
   command! -nargs=? Fold :call     CocAction('fold', <f-args>)
   
   " Add `:OR` command for organize imports of the current buffer.
   command! -nargs=0 OR   :call     CocAction('runCommand', 'editor.action.organizeImport')
   
   " Add (Neo)Vim's native statusline support.
   " NOTE: Please see `:h coc-status` for integrations with external plugins that
   " provide custom statusline: lightline.vim, vim-airline.
   set statusline^=%{coc#status()}%{get(b:,'coc_current_function','')}
   
   " Mappings for CoCList
   " Show all diagnostics.
   nnoremap <silent><nowait> <space>a  :<C-u>CocList diagnostics<cr>
   " Manage extensions.
   nnoremap <silent><nowait> <space>e  :<C-u>CocList extensions<cr>
   " Show commands.
   nnoremap <silent><nowait> <space>c  :<C-u>CocList commands<cr>
   " Find symbol of current document.
   nnoremap <silent><nowait> <space>o  :<C-u>CocList outline<cr>
   " Search workspace symbols.
   nnoremap <silent><nowait> <space>s  :<C-u>CocList -I symbols<cr>
   " Do default action for next item.
   nnoremap <silent><nowait> <space>j  :<C-u>CocNext<CR>
   " Do default action for previous item.
   nnoremap <silent><nowait> <space>k  :<C-u>CocPrev<CR>
   " Resume latest coc list.
   nnoremap <silent><nowait> <space>p  :<C-u>CocListResume<CR>
   
   

4. 安装扩展

   :CocInstall coc-json coc-tsserver coc-html
   

查看所有映射命令

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