1、依赖环境

安装nodejs，直接安装最新的LTS版本

https://nodejs.org/en

ps：linux下面需要手动安装（具体方法百度一下）

装好之后用node -v 和 npm -v检查是否安装成功

安装clangdRelease LLVM 16.0.0 · llvm/llvm-project · GitHub

windows下面直接用exe安装，ubuntu和debian可以用apt安装

安装python，用pip安装compliedb（这一步可选，这是用来从makefile直接生成编译库文件的python脚本而不需要依赖cmake，如果你使用的是cmake那可以跳过这步，用cmake直接生成编译库文件）

2、安装coc

在vimrc文件里添加插件然后执行安装，我用的vundle，其他插件管理器自行百度。

在call vundle#begin 与call vundle#end 之间插入 Plugin 'neoclide/coc.nvim', {'branch': 'release'}

然后在执行vim里执行:PluginInstall，等待安装完成。

这时候可能会提醒你需要编译coc（网上说能直接用，但我在ubuntu和win11上面都需要重新编译一边）。

前往vim文件所在的文件夹

· linux下面一般是~/.vim

·windows下面是~/vimfiles

找到bundle文件夹下面的coc.nvim，进入这个文件夹然后在命令行执行npm install，如果报错按照提示操作。

编译完之后回到vim执行CocInfo查看Coc服务是否正常启动：

## versions

vim version: VIM - Vi IMproved 8.2 8024919

node version: v18.17.0

coc.nvim version: 0.0.82-fab97c7d 2023-08-08 14:59:18 +0800

coc.nvim directory: /home/robot/.vim/bundle/coc.nvim

term: dumb

platform: linux

## Log of coc.nvim

2023-08-14T13:47:50.729 INFO (pid:8147) [configurations] - Add folder configuration from cwd: /home/robot/.vim/bundle/coc.nvim/.vim/coc-settings.json

2023-08-14T13:47:50.797 INFO (pid:8147) [extension:coc-git] - Looking for git in: git

2023-08-14T13:47:50.831 INFO (pid:8147) [plugin] - coc.nvim initialized with node: v18.17.0 after 143

2023-08-14T13:47:55.018 INFO (pid:8147) [attach] - receive notification: showInfo []

2023-08-14T13:47:55.375 INFO (pid:8147) [attach] - receive notification: highlight []

2023-08-14T13:48:00.240 INFO (pid:8147) [attach] - receive notification: highlight []

2023-08-14T13:48:02.152 INFO (pid:8147) [attach] - receive notification: showInfo []

3、装点插件

在vim里执行

CocInstall coc-syntax coc-highlight coc-clangd coc-tsserver

其他插件可以在官方github的wiki页面找到。

https://github.com/neoclide/coc.nvim/wiki/Using-coc-extensions#manage-coc-extensions

关于语言支持类的插件（我这就只装了coc-clangd）有两点：1、装了插件就不需要在CocConfig里面配置相关的语言支持了，会冲突。2、有些语言插件需要依赖外部语言服务器支持（比如这里安装的clangd），有些直接装上就能用LLVM好像内部默认支持。

CocConfig里面建议配置一句话（vim里直接执行CocConfig就能打开，默认是空的）：

{

"suggest.noselect": true

}

不加这个就会无法选中补全的第一个选项，可能是我没配置好？

最后在vimrc里面设置一下coc快捷键配置，官方有参考配置，直接copy之后按照你自己的习惯改改就行了：

" May need for Vim (not Neovim) since coc.nvim calculates byte offset by count

" utf-8 byte sequence

set encoding=utf-8

" Some servers have issues with backup files, see #649

set nobackup

set nowritebackup

" Having longer updatetime (default is 4000 ms = 4s) leads to noticeable

" delays and poor user experience

set updatetime=300

" Always show the signcolumn, otherwise it would shift the text each time

" diagnostics appear/become resolved

set signcolumn=yes

" Use tab for trigger completion with characters ahead and navigate

" NOTE: There's always complete item selected by default, you may want to enable

" no select by `"suggest.noselect": true` in your configuration file

" NOTE: Use command ':verbose imap ' to make sure tab is not mapped by

" other plugin before putting this into your config

inoremap

\ coc#pum#visible() ? coc#pum#next(1) :

\ CheckBackspace() ? "\" :

\ coc#refresh()

inoremap coc#pum#visible() ? coc#pum#prev(1) : "\"

" Make to accept selected completion item or notify coc.nvim to format

" u breaks current undo, please make your own choice

inoremap coc#pum#visible() ? coc#pum#confirm()

\: "\u\\=coc#on_enter()\"

function! CheckBackspace() abort

let col = col('.') - 1

return !col || getline('.')[col - 1] =~# '\s'

endfunction

" Use to trigger completion

if has('nvim')

inoremap coc#refresh()

else

inoremap coc#refresh()

endif

" Use `[g` and `]g` to navigate diagnostics

" Use `:CocDiagnostics` to get all diagnostics of current buffer in location list

nmap [g (coc-diagnostic-prev)

nmap ]g (coc-diagnostic-next)

" GoTo code navigation

nmap gd (coc-definition)

nmap gy (coc-type-definition)

nmap gi (coc-implementation)

nmap gr (coc-references)

" Use K to show documentation in preview window

nnoremap K :call ShowDocumentation()

function! ShowDocumentation()

if CocAction('hasProvider', 'hover')

call CocActionAsync('doHover')

else

call feedkeys('K', 'in')

endif

endfunction

" Highlight the symbol and its references when holding the cursor

autocmd CursorHold * silent call CocActionAsync('highlight')

" Symbol renaming

nmap rn (coc-rename)

" Formatting selected code

xmap f (coc-format-selected)

nmap f (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 code actions to the selected code block

" Example: `aap` for current paragraph

xmap a (coc-codeaction-selected)

nmap a (coc-codeaction-selected)

" Remap keys for applying code actions at the cursor position

nmap ac (coc-codeaction-cursor)

" Remap keys for apply code actions affect whole buffer

nmap as (coc-codeaction-source)

" Apply the most preferred quickfix action to fix diagnostic on the current line

nmap qf (coc-fix-current)

" Remap keys for applying refactor code actions

nmap re (coc-codeaction-refactor)

xmap r (coc-codeaction-refactor-selected)

nmap r (coc-codeaction-refactor-selected)

" Run the Code Lens action on the current line

nmap cl (coc-codelens-action)

" Map function and class text objects

" NOTE: Requires 'textDocument.documentSymbol' support from the language server

xmap if (coc-funcobj-i)

omap if (coc-funcobj-i)

xmap af (coc-funcobj-a)

omap af (coc-funcobj-a)

xmap ic (coc-classobj-i)

omap ic (coc-classobj-i)

xmap ac (coc-classobj-a)

omap ac (coc-classobj-a)

" Remap and to scroll float windows/popups

if has('nvim-0.4.0') || has('patch-8.2.0750')

nnoremap coc#float#has_scroll() ? coc#float#scroll(1) : "\"

nnoremap coc#float#has_scroll() ? coc#float#scroll(0) : "\"

inoremap coc#float#has_scroll() ? "\=coc#float#scroll(1)\" : "\"

inoremap coc#float#has_scroll() ? "\=coc#float#scroll(0)\" : "\"

vnoremap coc#float#has_scroll() ? coc#float#scroll(1) : "\"

vnoremap coc#float#has_scroll() ? coc#float#scroll(0) : "\"

endif

" Use CTRL-S for selections ranges

" Requires 'textDocument/selectionRange' support of language server

nmap (coc-range-select)

xmap (coc-range-select)

" Add `:Format` command to format current buffer

command! -nargs=0 Format :call CocActionAsync('format')

" Add `:Fold` command to fold current buffer

command! -nargs=? Fold :call CocAction('fold', )

" Add `:OR` command for organize imports of the current buffer

command! -nargs=0 OR :call CocActionAsync('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 a :CocList diagnostics

" Manage extensions

nnoremap e :CocList extensions

" Show commands

nnoremap c :CocList commands

" Find symbol of current document

nnoremap o :CocList outline

" Search workspace symbols

nnoremap s :CocList -I symbols

" Do default action for next item

nnoremap j :CocNext

" Do default action for previous item

nnoremap k :CocPrev

" Resume latest coc list

nnoremap p :CocListResume

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