Vim as Golang IDE

vimrc

" 设置显示行号
set number

" 开启语法高亮功能
syntax enable
" 允许用指定语法高亮配色方案替换默认方案
syntax on
" 自适应不同语言的智能缩进
filetype indent on
" 将制表符扩展为空格
set expandtab
" 设置编辑时制表符占用空格数
set tabstop=2
" 高亮显示当前行/列
set cursorline
set cursorcolumn
" 高亮显示搜索结果
set hlsearch
" 配色方案
set background=dark
" 设置多彩配色方案
" https://github.com/tomasr/molokai
" colorscheme wells-colors
colorscheme molokai
let g:molokai_original = 1
let g:rehash256 = 1

" 禁止显示滚动条
set guioptions-=l
set guioptions-=L
set guioptions-=r
set guioptions-=R
" 禁止显示菜单和工具条
set guioptions-=m
set guioptions-=T


"""""""""""""""""""""""" Vundle Start """"""""""""""""""""""""""
set nocompatible              " be iMproved, required
filetype off                  " required

" set the runtime path to include Vundle and initialize
set rtp+=~/.vim/bundle/Vundle.vim
call vundle#begin()

" let Vundle manage Vundle, required
Plugin 'gmarik/Vundle.vim'
"""""""""""""""" My plugins here """""""""""""""""""""""" 

""""""""""""
" Nerdtree "
""""""""""""
Plugin 'scrooloose/nerdtree.git'
" autocmd vimenter * NERDTree
map <F2> :NERDTreeToggle<CR>
autocmd StdinReadPre * let s:std_in=2
autocmd VimEnter * if argc() == 0 && !exists("s:std_in") | NERDTree | endif
let mapleader = ','
nnoremap <leader>d :NERDTreeToggle<CR>
let g:vim_markdown_folding_disabled=1

""""""""""""
" YCM      "
""""""""""""
" Plugin 'Valloric/YouCompleteMe'

"""""""""""
" VIM-GO  "
"""""""""""
Plugin 'fatih/vim-go'
let g:go_disable_autoinstall = 0        " 禁止自动更新
let g:go_fmt_fai_silently = 0
let g:go_doc_keywordprg_enabled = 0
" Go keyboard mappings
au FileType go nmap <Leader>s <Plug>(go-implements)
au FileType go nmap <Leader>i <Plug>(go-info)
au FileType go nmap <Leader>gd <Plug>(go-doc)
au FileType go nmap <Leader>gv <Plug>(go-doc-vertical)
au FileType go nmap <Leader>gb <Plug>(go-doc-browser)
au FileType go nmap <leader>r <Plug>(go-run)
au FileType go nmap <leader>b :!go run %<CR>
" au FileType go nmap <leader>b <Plug>(go-build)
au FileType go nmap <leader>t <Plug>(go-test)
au FileType go nmap <leader>c <Plug>(go-coverage)
au FileType go nmap <Leader>ds <Plug>(go-def-split)
au FileType go nmap <Leader>dv <Plug>(go-def-vertical)
au FileType go nmap <Leader>dt <Plug>(go-def-tab)

" Enable syntax highting on everything
let g:go_highlight_functions = 1
let g:go_highlight_methods = 1
let g:go_highlight_structs = 1
let g:go_highlight_operators = 1
let g:go_highlight_build_constraints = 1

"""""""""""
"commenter" 
"""""""""""
Plugin 'scrooloose/nerdcommenter'
"""""""""""""""""""""""" My plugins end

call vundle#end()            " required
filetype plugin indent on    " required
"""""""""""""""""""""""" Vundle End """"""""""""""""""""""""""

" 自动补全 neocomplete
" https://github.com/Shougo/neocomplete.vim
"Note: This option must set it in .vimrc(_vimrc).  NOT IN .gvimrc(_gvimrc)!
let g:acp_enableAtStartup = 0
" Use neocomplete.
let g:neocomplete#enable_at_startup = 1
" Use smartcase.
let g:neocomplete#enable_smart_case = 1
" Set minimum syntax keyword length.
let g:neocomplete#sources#syntax#min_keyword_length = 3
let g:neocomplete#lock_buffer_name_pattern = '\*ku\*'

" Define dictionary.
let g:neocomplete#sources#dictionary#dictionaries = {
    \ 'default' : '',
    \ 'vimshell' : $HOME.'/.vimshell_hist',
    \ 'scheme' : $HOME.'/.gosh_completions'
        \ }

" Define keyword.
if !exists('g:neocomplete#keyword_patterns')
    let g:neocomplete#keyword_patterns = {}
endif
let g:neocomplete#keyword_patterns['default'] = '\h\w*'

" Plugin key-mappings.
inoremap <expr><C-g>     neocomplete#undo_completion()
inoremap <expr><C-l>     neocomplete#complete_common_string()

" Recommended key-mappings.
" <CR>: close popup and save indent.
inoremap <silent> <CR> <C-r>=<SID>my_cr_function()<CR>
function! s:my_cr_function()
  return neocomplete#close_popup() . "\<CR>"
  " For no inserting <CR> key.
  "return pumvisible() ? neocomplete#close_popup() : "\<CR>"
endfunction
" <TAB>: completion.
inoremap <expr><TAB>  pumvisible() ? "\<C-n>" : "\<TAB>"
" <C-h>, <BS>: close popup and delete backword char.
inoremap <expr><C-h> neocomplete#smart_close_popup()."\<C-h>"
inoremap <expr><BS> neocomplete#smart_close_popup()."\<C-h>"
inoremap <expr><C-y>  neocomplete#close_popup()
inoremap <expr><C-e>  neocomplete#cancel_popup()
" Close popup by <Space>.
"inoremap <expr><Space> pumvisible() ? neocomplete#close_popup() : "\<Space>"

" For cursor moving in insert mode(Not recommended)
"inoremap <expr><Left>  neocomplete#close_popup() . "\<Left>"
"inoremap <expr><Right> neocomplete#close_popup() . "\<Right>"
"inoremap <expr><Up>    neocomplete#close_popup() . "\<Up>"
"inoremap <expr><Down>  neocomplete#close_popup() . "\<Down>"
" Or set this.
"let g:neocomplete#enable_cursor_hold_i = 1
" Or set this.
"let g:neocomplete#enable_insert_char_pre = 1

" AutoComplPop like behavior.
"let g:neocomplete#enable_auto_select = 1

" Shell like behavior(not recommended).
"set completeopt+=longest
"let g:neocomplete#enable_auto_select = 1
"let g:neocomplete#disable_auto_complete = 1
"inoremap <expr><TAB>  pumvisible() ? "\<Down>" : "\<C-x>\<C-u>"

" Enable omni completion.
autocmd FileType css setlocal omnifunc=csscomplete#CompleteCSS
autocmd FileType html,markdown setlocal omnifunc=htmlcomplete#CompleteTags
autocmd FileType javascript setlocal omnifunc=javascriptcomplete#CompleteJS
autocmd FileType python setlocal omnifunc=pythoncomplete#Complete
autocmd FileType xml setlocal omnifunc=xmlcomplete#CompleteTags

" Enable heavy omni completion.
if !exists('g:neocomplete#sources#omni#input_patterns')
  let g:neocomplete#sources#omni#input_patterns = {}
endif
"let g:neocomplete#sources#omni#input_patterns.php = '[^. \t]->\h\w*\|\h\w*::'
"let g:neocomplete#sources#omni#input_patterns.c = '[^.[:digit:] *\t]\%(\.\|->\)'
"let g:neocomplete#sources#omni#input_patterns.cpp = '[^.[:digit:] *\t]\%(\.\|->\)\|\h\w*::'

" For perlomni.vim setting.
" https://github.com/c9s/perlomni.vim
" let g:neocomplete#sources#omni#input_patterns.perl = '\h\w*->\h\w*\|\h\w*::'