话不多说，上代码如下：
1 " ___ __) ) ___ ______) 2 " (, |/ (__/_____) /) (, / /) /) 3 " | _/_ _ __ ____ / ___// _____ / _ (/_ // _ 4 " ) /|_ (___(/_/ (_/ / /_ (_/ (_)(/_(_)/ (_ ) / (_(_/_) (/__(/_ 5 " (_/ (______) (_/ 6 " 7 " guns <self@sungpae.com> 8 9 " Version: 1.6 10 " License: MIT 11 " Homepage: http://github.com/guns/xterm-color-table.vim 12 " 13 " NOTES: 14 " 15 " * Provides command :XtermColorTable, as well as variants for different splits 16 " * Xterm numbers on the left, equivalent RGB values on the right 17 " * Press `#` to yank current color (shortcut for yiw) 18 " * Press `t` to toggle RGB text visibility 19 " * Press `f` to set RGB text to current color 20 " * Buffer behavior similar to Scratch.vim 21 " 22 " INSPIRED BY: 23 " 24 " * http://www.calmar.ws/vim/256-xterm-24bit-rgb-color-chart.html 25 " * http://vim.wikia.com/wiki/Xterm256_color_names_for_console_Vim 26 " * http://www.vim.org/scripts/script.php?script_id=664 27 28 29 " We have a dependency on buffer-local autocommands 30 if version < 700 31 echo 'FAIL: XtermColorTable requires vim 7.0+' 32 finish 33 endif 34 35 let s:bufname = '__XtermColorTable__' 36 37 if !exists('g:XtermColorTableDefaultOpen') 38 let g:XtermColorTableDefaultOpen = 'split' 39 endif 40 41 42 command! XtermColorTable execute 'call <SID>XtermColorTable(g:XtermColorTableDefaultOpen)' 43 command! SXtermColorTable call <SID>XtermColorTable('split') 44 command! VXtermColorTable call <SID>XtermColorTable('vsplit') 45 command! TXtermColorTable call <SID>XtermColorTable('tabnew') 46 command! EXtermColorTable call <SID>XtermColorTable('edit') 47 command! OXtermColorTable call <SID>XtermColorTable('edit') | only 48 49 50 augroup XtermColorTable "{{{ 51 autocmd! 52 autocmd BufNewFile __XtermColorTable__ call <SID>ColorTable() 53 autocmd ColorScheme * silent! doautoall XtermColorTableBuffer ColorScheme 54 augroup END "}}} 55 56 57 function! <SID>XtermColorTable(open) "{{{ 58 let bufid = bufnr(s:bufname) 59 let winid = bufwinnr(bufid) 60 61 if bufid == -1 62 " Create new buffer 63 execute a:open.' '.s:bufname 64 return 65 elseif winid != -1 && winnr('$') > 1 66 " Close extant window 67 execute winid.'wincmd w' | close 68 endif 69 70 " Open extant buffer 71 execute a:open.' +buffer'.bufid 72 endfunction "}}} 73 74 75 function! <SID>ColorTable() "{{{ 76 let rows = [] 77 78 call add(rows, <SID>ColorRow(0, 7)) 79 call add(rows, <SID>ColorRow(8, 15)) 80 "call add(rows, '') 81 82 for lnum in range(16, 248, 8) 83 call add(rows, <SID>ColorRow(lnum, lnum + 7)) 84 if lnum == 24 85 call add(rows, '') 86 call add(rows, ' -------------------------------------------------------------------------------------------------------') 87 call add(rows, '') 88 endif 89 if lnum == 56 90 call add(rows, '') 91 endif 92 if lnum == 88 93 call add(rows, '') 94 call add(rows, ' -------------------------------------------------------------------------------------------------------') 95 call add(rows, '') 96 endif 97 if lnum == 120 98 call add(rows, '') 99 endif 100 if lnum == 152 101 call add(rows, '') 102 call add(rows, ' -------------------------------------------------------------------------------------------------------') 103 call add(rows, '') 104 endif 105 if lnum == 184 106 call add(rows, '') 107 endif 108 if lnum == 216 109 call add(rows, '') 110 call add(rows, ' -------------------------------------------------------------------------------------------------------') 111 call add(rows, '') 112 endif 113 endfor 114 115 if &modifiable 116 call append(0, rows) 117 call append(len(rows) + 1, <SID>HelpComment()) 118 call <SID>SetBufferOptions() 119 endif 120 endfunction "}}} 121 122 123 function! <SID>ColorRow(start, end) "{{{ 124 return join(map(range(a:start, a:end), '<SID>ColorCell(v:val)')) 125 endfunction "}}} 126 127 128 function! <SID>ColorCell(n) "{{{ 129 let rgb = s:xterm_colors[a:n] 130 131 " Clear extant values 132 execute 'silent! syntax clear fg_'.a:n 133 execute 'silent! syntax clear bg_'.a:n 134 135 execute 'syntax match fg_'.a:n.' " '.a:n.' " containedin=ALL' 136 execute 'syntax match bg_'.a:n.' "'. rgb .'" containedin=ALL' 137 138 call <SID>HighlightCell(a:n, -1) 139 140 return printf(' %3s %7s', a:n, rgb) 141 endfunction "}}} 142 143 144 function! <SID>HighlightCell(n, bgf) "{{{ 145 let rgb = s:xterm_colors[a:n] 146 147 " bgf has three states: 148 " -2) black or white depending on intensity 149 " -1) same as background 150 " 0+) xterm color value 151 if a:bgf == -2 152 let sum = 0 153 for val in map(split(substitute(rgb, '^#', '', ''), 'vx{2}zs'), 'str2nr(v:val, 16)') 154 " TODO: does Vimscript have a fold/reduce function? 155 let sum += val 156 endfor 157 let bgf = sum > (0xff * 1.5) ? 0 : 15 158 elseif a:bgf == -1 159 let bgf = a:n 160 else 161 let bgf = a:bgf 162 endif 163 164 " Clear any extant values 165 execute 'silent! highlight clear fg_'.a:n 166 execute 'silent! highlight clear bg_'.a:n 167 168 execute 'highlight fg_'.a:n.' ctermfg='.a:n.' guifg='.rgb 169 execute 'highlight bg_'.a:n.' ctermbg='.a:n.' guibg='.rgb 170 execute 'highlight bg_'.a:n.' ctermfg='.bgf.' guifg='.s:xterm_colors[bgf] 171 endfunction "}}} 172 173 174 function! <SID>SetBufferOptions() "{{{ 175 setlocal buftype=nofile bufhidden=hide buflisted 176 setlocal nomodified nomodifiable noswapfile readonly 177 setlocal nocursorline nocursorcolumn 178 setlocal iskeyword+=# 179 180 let b:XtermColorTableRgbVisible = 0 181 let b:XtermColorTableBGF = -2 182 183 nmap <silent><buffer> # yiw:echo 'yanked: '.@"<CR> 184 nmap <silent><buffer> t :call <SID>ToggleRgbVisibility()<CR> 185 nmap <silent><buffer> f :call <SID>SetRgbForeground(expand('<cword>'))<CR> 186 187 " Colorschemes often call `highlight clear'; 188 " register a handler to deal with this 189 augroup XtermColorTableBuffer 190 autocmd! * <buffer> 191 autocmd ColorScheme <buffer> call <SID>HighlightTable(-1) 192 augroup END 193 endfunction "}}} 194 195 196 function! <SID>HelpComment() "{{{ 197 " we have to define our own comment type 198 silent! syntax clear XtermColorTableComment 199 syntax match XtermColorTableComment ';.*' 200 highlight link XtermColorTableComment Comment 201 202 let lines = [] 203 call add(lines, "; # to copy current color (yiw)") 204 call add(lines, "; t to toggle RGB visibility") 205 call add(lines, "; f to set RGB foreground color") 206 207 return lines 208 endfunction "}}} 209 210 211 function! <SID>ToggleRgbVisibility() "{{{ 212 let bgf = b:XtermColorTableRgbVisible ? -1 : b:XtermColorTableBGF 213 let b:XtermColorTableRgbVisible = (b:XtermColorTableRgbVisible + 1) % 2 214 215 call <SID>HighlightTable(bgf) 216 endfunction "}}} 217 218 219 function! <SID>HighlightTable(bgf) "{{{ 220 for val in range(0, 0xff) | call <SID>HighlightCell(val, a:bgf) | endfor 221 endfunction "}}} 222 223 224 function! <SID>SetRgbForeground(cword) "{{{ 225 if len(a:cword) 226 let sname = synIDattr(synID(line('.'), col('.'), 0), 'name') 227 let b:XtermColorTableBGF = substitute(sname, 'v^w+_', '', '') + 0 228 else 229 let b:XtermColorTableBGF = -2 230 endif 231 232 if b:XtermColorTableRgbVisible 233 call <SID>HighlightTable(b:XtermColorTableBGF) 234 else 235 call <SID>ToggleRgbVisibility() 236 endif 237 endfunction "}}} 238 239 240 """ Xterm 256 color dictionary {{{ 241 242 let s:xterm_colors = { 243 '0': '#000000', '1': '#800000', '2': '#008000', '3': '#808000', '4': '#000080', 244 '5': '#800080', '6': '#008080', '7': '#c0c0c0', '8': '#808080', '9': '#ff0000', 245 '10': '#00ff00', '11': '#ffff00', '12': '#0000ff', '13': '#ff00ff', '14': '#00ffff', 246 '15': '#ffffff', '16': '#000000', '17': '#00005f', '18': '#000087', '19': '#0000af', 247 '20': '#0000df', '21': '#0000ff', '22': '#005f00', '23': '#005f5f', '24': '#005f87', 248 '25': '#005faf', '26': '#005fdf', '27': '#005fff', '28': '#008700', '29': '#00875f', 249 '30': '#008787', '31': '#0087af', '32': '#0087df', '33': '#0087ff', '34': '#00af00', 250 '35': '#00af5f', '36': '#00af87', '37': '#00afaf', '38': '#00afdf', '39': '#00afff', 251 '40': '#00df00', '41': '#00df5f', '42': '#00df87', '43': '#00dfaf', '44': '#00dfdf', 252 '45': '#00dfff', '46': '#00ff00', '47': '#00ff5f', '48': '#00ff87', '49': '#00ffaf', 253 '50': '#00ffdf', '51': '#00ffff', '52': '#5f0000', '53': '#5f005f', '54': '#5f0087', 254 '55': '#5f00af', '56': '#5f00df', '57': '#5f00ff', '58': '#5f5f00', '59': '#5f5f5f', 255 '60': '#5f5f87', '61': '#5f5faf', '62': '#5f5fdf', '63': '#5f5fff', '64': '#5f8700', 256 '65': '#5f875f', '66': '#5f8787', '67': '#5f87af', '68': '#5f87df', '69': '#5f87ff', 257 '70': '#5faf00', '71': '#5faf5f', '72': '#5faf87', '73': '#5fafaf', '74': '#5fafdf', 258 '75': '#5fafff', '76': '#5fdf00', '77': '#5fdf5f', '78': '#5fdf87', '79': '#5fdfaf', 259 '80': '#5fdfdf', '81': '#5fdfff', '82': '#5fff00', '83': '#5fff5f', '84': '#5fff87', 260 '85': '#5fffaf', '86': '#5fffdf', '87': '#5fffff', '88': '#870000', '89': '#87005f', 261 '90': '#870087', '91': '#8700af', '92': '#8700df', '93': '#8700ff', '94': '#875f00', 262 '95': '#875f5f', '96': '#875f87', '97': '#875faf', '98': '#875fdf', '99': '#875fff', 263 '100': '#878700', '101': '#87875f', '102': '#878787', '103': '#8787af', '104': '#8787df', 264 '105': '#8787ff', '106': '#87af00', '107': '#87af5f', '108': '#87af87', '109': '#87afaf', 265 '110': '#87afdf', '111': '#87afff', '112': '#87df00', '113': '#87df5f', '114': '#87df87', 266 '115': '#87dfaf', '116': '#87dfdf', '117': '#87dfff', '118': '#87ff00', '119': '#87ff5f', 267 '120': '#87ff87', '121': '#87ffaf', '122': '#87ffdf', '123': '#87ffff', '124': '#af0000', 268 '125': '#af005f', '126': '#af0087', '127': '#af00af', '128': '#af00df', '129': '#af00ff', 269 '130': '#af5f00', '131': '#af5f5f', '132': '#af5f87', '133': '#af5faf', '134': '#af5fdf', 270 '135': '#af5fff', '136': '#af8700', '137': '#af875f', '138': '#af8787', '139': '#af87af', 271 '140': '#af87df', '141': '#af87ff', '142': '#afaf00', '143': '#afaf5f', '144': '#afaf87', 272 '145': '#afafaf', '146': '#afafdf', '147': '#afafff', '148': '#afdf00', '149': '#afdf5f', 273 '150': '#afdf87', '151': '#afdfaf', '152': '#afdfdf', '153': '#afdfff', '154': '#afff00', 274 '155': '#afff5f', '156': '#afff87', '157': '#afffaf', '158': '#afffdf', '159': '#afffff', 275 '160': '#df0000', '161': '#df005f', '162': '#df0087', '163': '#df00af', '164': '#df00df', 276 '165': '#df00ff', '166': '#df5f00', '167': '#df5f5f', '168': '#df5f87', '169': '#df5faf', 277 '170': '#df5fdf', '171': '#df5fff', '172': '#df8700', '173': '#df875f', '174': '#df8787', 278 '175': '#df87af', '176': '#df87df', '177': '#df87ff', '178': '#dfaf00', '179': '#dfaf5f', 279 '180': '#dfaf87', '181': '#dfafaf', '182': '#dfafdf', '183': '#dfafff', '184': '#dfdf00', 280 '185': '#dfdf5f', '186': '#dfdf87', '187': '#dfdfaf', '188': '#dfdfdf', '189': '#dfdfff', 281 '190': '#dfff00', '191': '#dfff5f', '192': '#dfff87', '193': '#dfffaf', '194': '#dfffdf', 282 '195': '#dfffff', '196': '#ff0000', '197': '#ff005f', '198': '#ff0087', '199': '#ff00af', 283 '200': '#ff00df', '201': '#ff00ff', '202': '#ff5f00', '203': '#ff5f5f', '204': '#ff5f87', 284 '205': '#ff5faf', '206': '#ff5fdf', '207': '#ff5fff', '208': '#ff8700', '209': '#ff875f', 285 '210': '#ff8787', '211': '#ff87af', '212': '#ff87df', '213': '#ff87ff', '214': '#ffaf00', 286 '215': '#ffaf5f', '216': '#ffaf87', '217': '#ffafaf', '218': '#ffafdf', '219': '#ffafff', 287 '220': '#ffdf00', '221': '#ffdf5f', '222': '#ffdf87', '223': '#ffdfaf', '224': '#ffdfdf', 288 '225': '#ffdfff', '226': '#ffff00', '227': '#ffff5f', '228': '#ffff87', '229': '#ffffaf', 289 '230': '#ffffdf', '231': '#ffffff', '232': '#080808', '233': '#121212', '234': '#1c1c1c', 290 '235': '#262626', '236': '#303030', '237': '#3a3a3a', '238': '#444444', '239': '#4e4e4e', 291 '240': '#585858', '241': '#606060', '242': '#666666', '243': '#767676', '244': '#808080', 292 '245': '#8a8a8a', '246': '#949494', '247': '#9e9e9e', '248': '#a8a8a8', '249': '#b2b2b2', 293 '250': '#bcbcbc', '251': '#c6c6c6', '252': '#d0d0d0', '253': '#dadada', '254': '#e4e4e4', 294 '255': '#eeeeee', 'fg': 'fg', 'bg': 'bg', 'NONE': 'NONE' } 295 296 "}}}
只有82-112区区30行代码，但是感觉比原来的颜色显示舒服多了，效果如下。