{"id":32334,"date":"2023-01-01T15:19:32","date_gmt":"2023-06-05T14:36:05","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8node-js%e8%87%aa%e5%8a%a8%e5%86%b3%e5%ae%9a%e5%a5%b3%e5%ad%a9%e5%ad%90%e5%96%9c%e6%ac%a2%e7%9a%84%e7%94%b7%e6%80%a7%e7%b1%bb%e5%9e%8b\/"},"modified":"2024-04-29T08:01:07","modified_gmt":"2024-04-29T00:01:07","slug":"%e4%bd%bf%e7%94%a8node-js%e8%87%aa%e5%8a%a8%e5%86%b3%e5%ae%9a%e5%a5%b3%e5%ad%a9%e5%ad%90%e5%96%9c%e6%ac%a2%e7%9a%84%e7%94%b7%e6%80%a7%e7%b1%bb%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8node-js%e8%87%aa%e5%8a%a8%e5%86%b3%e5%ae%9a%e5%a5%b3%e5%ad%a9%e5%ad%90%e5%96%9c%e6%ac%a2%e7%9a%84%e7%94%b7%e6%80%a7%e7%b1%bb%e5%9e%8b\/","title":{"rendered":"\u4f7f\u7528Node.js\u81ea\u52a8\u51b3\u5b9a\u5973\u5b69\u5b50\u559c\u6b22\u7684\u7537\u6027\u7c7b\u578b"},"content":{"rendered":"

\u9996\u5148<\/h2>\n

\u5728\u4e0a\u4e00\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u8c08\u5230\u4e86\u4f7f\u7528\u81ea\u5236\u8bbe\u5907\u5236\u4f5c\u6e38\u620f\u7684\u7ecf\u5386\u3002
\n\u5728\u786e\u5b9a\u5176\u4e2d\u4e00\u4e2a\u5973\u5b69\u7684\u53c2\u6570\u65f6\uff0c\u6211\u4f7f\u7528\u4e86Node.js\u6839\u636e\u56fe\u50cf\u7684\u8272\u5f69\u4fe1\u606f\u751f\u6210\u53c2\u6570\u3002
\n\u56e0\u4e3a\u6ca1\u6709\u627e\u5230\u4efb\u4f55\u4eba\u5199\u6709\u5173\u4f7f\u7528\u8be5\u5e93\u7684\u4f8b\u5b50\uff0c\u6240\u4ee5\u6211\u987a\u4fbf\u5199\u4e86\u4e0b\u7b14\u8bb0\u3002<\/p>\n

1. \u89c4\u8303\u5e93<\/h2>\n

\u83b7\u53d6\u56fe\u50cf\u989c\u8272
\n\u4e00\u4e2a\u5e93\uff0c\u53ef\u4ee5\u8f93\u51fa\u6307\u5b9a\u56fe\u50cf\u4e2d\u7684\u524d\u4e94\u79cd\u989c\u8272
\n\u989c\u8272\u5206\u7c7b\u5668
\n\u4e00\u4e2a\u5e93\uff0c\u53ef\u4ee5\u5c06\u989c\u8272\u8fdb\u884c\u5206\u7c7b<\/p>\n

2. \u51c6\u5907\u597d-<\/h2>\n
\"115601.png\"<\/div>\n

\u9996\u5148\u5b89\u88c5\u6211\u4eec\u5c06\u8981\u4f7f\u7528\u7684\u5e93\u3002<\/p>\n

npm i --save get-image-colors\r\nnpm i --save color-classifier\r\n<\/code><\/pre>\n
3. \u5b9e\u65bd-\u8272\u5f69\u63d0\u53d6<\/h2>\n
\u4ee5\u4e0b\u662f\u63d0\u53d6\u989c\u8272\u7684\u4ee3\u7801\u3002<\/p>\n
const<\/span> path<\/span> =<\/span> require<\/span>(<\/span>'<\/span>path<\/span>'<\/span>)<\/span>\r\nconst<\/span> getImageColors<\/span> =<\/span> require<\/span>(<\/span>'<\/span>get-image-colors<\/span>'<\/span>)<\/span>\r\n\r\ngetImageColors<\/span>(<\/span>path<\/span>.<\/span>join<\/span>(<\/span>__dirname<\/span>,<\/span> '<\/span>.\/female\/115601.png<\/span>'<\/span>)).<\/span>then<\/span>(<\/span>colors<\/span> =><\/span> {<\/span>\r\n  for<\/span>(<\/span>let<\/span> i<\/span>=<\/span>0<\/span>;<\/span>i<\/span> <<\/span> colors<\/span>.<\/span>length<\/span>;<\/span>i<\/span>++<\/span>){<\/span>\r\n    console<\/span>.<\/span>log<\/span>(<\/span>change16bitColorToObj<\/span>(<\/span>colors<\/span>[<\/span>i<\/span>]))<\/span>\r\n  }<\/span>\r\n})<\/span>\r\n\r\nfunction<\/span> change16bitColorToObj<\/span>(<\/span>color<\/span>){<\/span>\r\n  let<\/span> bitR<\/span> =<\/span> color<\/span>.<\/span>_rgb<\/span>[<\/span>0<\/span>].<\/span>toString<\/span>(<\/span>16<\/span>)<\/span>\r\n  if<\/span>(<\/span>bitR<\/span>.<\/span>length<\/span> ===<\/span> 1<\/span>)<\/span> bitR<\/span> =<\/span> '<\/span>0<\/span>'<\/span> +<\/span> bitR<\/span>\r\n  let<\/span> bitG<\/span> =<\/span> color<\/span>.<\/span>_rgb<\/span>[<\/span>1<\/span>].<\/span>toString<\/span>(<\/span>16<\/span>)<\/span>\r\n  if<\/span>(<\/span>bitG<\/span>.<\/span>length<\/span> ===<\/span> 1<\/span>)<\/span> bitG<\/span> =<\/span> '<\/span>0<\/span>'<\/span> +<\/span> bitG<\/span>\r\n  let<\/span> bitB<\/span> =<\/span> color<\/span>.<\/span>_rgb<\/span>[<\/span>2<\/span>].<\/span>toString<\/span>(<\/span>16<\/span>)<\/span>\r\n  if<\/span>(<\/span>bitB<\/span>.<\/span>length<\/span> ===<\/span> 1<\/span>)<\/span> bitB<\/span> =<\/span> '<\/span>0<\/span>'<\/span> +<\/span> bitB<\/span>\r\n  return<\/span> '<\/span>#<\/span>'<\/span> +<\/span> bitR<\/span> +<\/span> bitG<\/span> +<\/span> bitB<\/span>\r\n}<\/span>\r\n\r\n<\/code><\/pre>\n
\u5f53\u6267\u884c<\/p>\n
#ccb4b0 – \u73ab\u7470\u8272
\n#242129 – \u6df1\u9ed1\u8272
\n#463b4b – \u6df1\u7d2b\u8272
\n#5f5b63 – \u77f3\u677f\u7070\u8272
\n#785c3e – \u9752\u94dc\u8272<\/p>\n
\u8f93\u51fa\u5c06\u6309\u7167\u989c\u8272\u7684\u591a\u5c11\u8fdb\u884c\u6392\u5e8f\u3002<\/p>\n
4. \u843d\u5730\u5b9e\u65bd – \u989c\u8272\u5206\u7c7b<\/h2>\n
\u5982\u679c\u8981\u5c06\u5176\u5206\u7c7b\u4e3a\u6307\u5b9a\u7684\u989c\u8272\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u3002<\/p>\n
const<\/span> path<\/span> =<\/span> require<\/span>(<\/span>'<\/span>path<\/span>'<\/span>)<\/span>\r\nconst<\/span> getImageColors<\/span> =<\/span> require<\/span>(<\/span>'<\/span>get-image-colors<\/span>'<\/span>)<\/span>\r\nconst<\/span> colorClassifier<\/span> =<\/span> require<\/span>(<\/span>'<\/span>color-classifier<\/span>'<\/span>)<\/span>\r\n\r\nconst<\/span> palette<\/span> =<\/span> [<\/span> '<\/span>#ff0000<\/span>'<\/span>,<\/span> '<\/span>#ffffff<\/span>'<\/span>,<\/span> '<\/span>#000000<\/span>'<\/span>,<\/span>'<\/span>#0000ff<\/span>'<\/span>,<\/span> '<\/span>#ff6666<\/span>'<\/span>,<\/span> '<\/span>#00ff00<\/span>'<\/span>,<\/span> '<\/span>#ffff00<\/span>'<\/span>]<\/span>\r\n\r\nconst<\/span> ccf<\/span> =<\/span> new<\/span> colorClassifier<\/span>(<\/span>palette<\/span>)<\/span>\r\n\r\ngetImageColors<\/span>(<\/span>path<\/span>.<\/span>join<\/span>(<\/span>__dirname<\/span>,<\/span> '<\/span>.\/female\/115601.png<\/span>'<\/span>)).<\/span>then<\/span>(<\/span>colors<\/span> =><\/span> {<\/span>\r\n  for<\/span>(<\/span>let<\/span> i<\/span>=<\/span>0<\/span>;<\/span>i<\/span> <<\/span> colors<\/span>.<\/span>length<\/span>;<\/span>i<\/span>++<\/span>){<\/span>\r\n    let<\/span> color<\/span> =<\/span> ccf<\/span>.<\/span>classify<\/span>(<\/span>change16bitColorToObj<\/span>(<\/span>colors<\/span>[<\/span>i<\/span>]))<\/span>\r\n    console<\/span>.<\/span>log<\/span>(<\/span>change16bitColorToSting<\/span>(<\/span>color<\/span>))<\/span>\r\n  }<\/span>\r\n})<\/span>\r\n\r\nfunction<\/span> change16bitColorToObj<\/span>(<\/span>color<\/span>){<\/span>\r\n  let<\/span> bitR<\/span> =<\/span> color<\/span>.<\/span>_rgb<\/span>[<\/span>0<\/span>].<\/span>toString<\/span>(<\/span>16<\/span>)<\/span>\r\n  if<\/span>(<\/span>bitR<\/span>.<\/span>length<\/span> ===<\/span> 1<\/span>)<\/span> bitR<\/span> =<\/span> '<\/span>0<\/span>'<\/span> +<\/span> bitR<\/span>\r\n  let<\/span> bitG<\/span> =<\/span> color<\/span>.<\/span>_rgb<\/span>[<\/span>1<\/span>].<\/span>toString<\/span>(<\/span>16<\/span>)<\/span>\r\n  if<\/span>(<\/span>bitG<\/span>.<\/span>length<\/span> ===<\/span> 1<\/span>)<\/span> bitG<\/span> =<\/span> '<\/span>0<\/span>'<\/span> +<\/span> bitG<\/span>\r\n  let<\/span> bitB<\/span> =<\/span> color<\/span>.<\/span>_rgb<\/span>[<\/span>2<\/span>].<\/span>toString<\/span>(<\/span>16<\/span>)<\/span>\r\n  if<\/span>(<\/span>bitB<\/span>.<\/span>length<\/span> ===<\/span> 1<\/span>)<\/span> bitB<\/span> =<\/span> '<\/span>0<\/span>'<\/span> +<\/span> bitB<\/span>\r\n  return<\/span> '<\/span>#<\/span>'<\/span> +<\/span> bitR<\/span> +<\/span> bitG<\/span> +<\/span> bitB<\/span>\r\n}<\/span>\r\nfunction<\/span> change16bitColorToSting<\/span>(<\/span>color<\/span>){<\/span>\r\n  let<\/span> bitR<\/span> =<\/span> color<\/span>.<\/span>r<\/span>.<\/span>toString<\/span>(<\/span>16<\/span>)<\/span>\r\n  if<\/span>(<\/span>bitR<\/span>.<\/span>length<\/span> ===<\/span> 1<\/span>)<\/span> bitR<\/span> =<\/span> '<\/span>0<\/span>'<\/span> +<\/span> bitR<\/span>\r\n  let<\/span> bitG<\/span> =<\/span> color<\/span>.<\/span>g<\/span>.<\/span>toString<\/span>(<\/span>16<\/span>)<\/span>\r\n  if<\/span>(<\/span>bitG<\/span>.<\/span>length<\/span> ===<\/span> 1<\/span>)<\/span> bitG<\/span> =<\/span> '<\/span>0<\/span>'<\/span> +<\/span> bitG<\/span>\r\n  let<\/span> bitB<\/span> =<\/span> color<\/span>.<\/span>b<\/span>.<\/span>toString<\/span>(<\/span>16<\/span>)<\/span>\r\n  if<\/span>(<\/span>bitB<\/span>.<\/span>length<\/span> ===<\/span> 1<\/span>)<\/span> bitB<\/span> =<\/span> '<\/span>0<\/span>'<\/span> +<\/span> bitB<\/span>\r\n  return<\/span> '<\/span>#<\/span>'<\/span> +<\/span> bitR<\/span> +<\/span> bitG<\/span> +<\/span> bitB<\/span>\r\n}<\/span>\r\n\r\n<\/code><\/pre>\n
\u5c06\u4e4b\u524d\u7684\u989c\u8272\u6839\u636e\u4ee5\u4e0b\u8c03\u8272\u677f\u5206\u7c7b\u5e76\u8f93\u51fa\uff1a
\nconst \u8c03\u8272\u677f = [‘#ff0000’, ‘#ffffff’, ‘#000000’, ‘#0000ff’, ‘#ff6666’, ‘#00ff00’, ‘#ffff00’]\u3002<\/p>\n
#FFFFFF – \u767d\u8272
\n#000000 – \u9ed1\u8272
\n#000000 – \u9ed1\u8272
\n#000000 – \u9ed1\u8272
\n#FF0000 – \u7ea2\u8272<\/p>\n
5. \u5b9e\u65bd-\u4e2a\u6027\u5206\u7c7b<\/h2>\n
\u4ee5\u4e0b\u662f\u5148\u8fdb\u884c\u5206\u7c7b\uff0c\u7136\u540e\u4e3a\u6027\u683c\u5206\u914d\u7684\u4ee3\u7801\u3002<\/p>\n
const<\/span> path<\/span> =<\/span> require<\/span>(<\/span>'<\/span>path<\/span>'<\/span>)<\/span>\r\nconst<\/span> getImageColors<\/span> =<\/span> require<\/span>(<\/span>'<\/span>get-image-colors<\/span>'<\/span>)<\/span>\r\nconst<\/span> colorClassifier<\/span> =<\/span> require<\/span>(<\/span>'<\/span>color-classifier<\/span>'<\/span>)<\/span>\r\n\r\nconst<\/span> maleType<\/span> =<\/span> [<\/span>'<\/span>\u71b1\u8840<\/span>'<\/span>,<\/span> '<\/span>\u7d14\u7c8b<\/span>'<\/span>,<\/span> '<\/span>\u53a8\u4e8c<\/span>'<\/span>,<\/span> '<\/span>\u51b7\u9759<\/span>'<\/span>,<\/span> '<\/span>\u500b\u6027\u7684<\/span>'<\/span>,<\/span> '<\/span>\u8349\u98df\u7cfb<\/span>'<\/span>,<\/span> '<\/span>\u6d3b\u767a<\/span>'<\/span>]<\/span>\r\n\r\nconst<\/span> palette<\/span> =<\/span> [<\/span> '<\/span>#ff0000<\/span>'<\/span>,<\/span> '<\/span>#ffffff<\/span>'<\/span>,<\/span> '<\/span>#000000<\/span>'<\/span>,<\/span>'<\/span>#0000ff<\/span>'<\/span>,<\/span> '<\/span>#ff6666<\/span>'<\/span>,<\/span> '<\/span>#00ff00<\/span>'<\/span>,<\/span> '<\/span>#ffff00<\/span>'<\/span>]<\/span>\r\n\r\nconst<\/span> ccf<\/span> =<\/span> new<\/span> colorClassifier<\/span>(<\/span>palette<\/span>)<\/span>\r\n\r\ngetImageColors<\/span>(<\/span>path<\/span>.<\/span>join<\/span>(<\/span>__dirname<\/span>,<\/span> '<\/span>.\/female\/115601.png<\/span>'<\/span>)).<\/span>then<\/span>(<\/span>colors<\/span> =><\/span> {<\/span>\r\n  for<\/span>(<\/span>let<\/span> i<\/span>=<\/span>0<\/span>;<\/span>i<\/span> <<\/span> colors<\/span>.<\/span>length<\/span>;<\/span>i<\/span>++<\/span>){<\/span>\r\n    let<\/span> color<\/span> =<\/span> ccf<\/span>.<\/span>classify<\/span>(<\/span>change16bitColorToObj<\/span>(<\/span>colors<\/span>[<\/span>i<\/span>]))<\/span>\r\n    console<\/span>.<\/span>log<\/span>(<\/span>maleType<\/span>[<\/span>palette<\/span>.<\/span>indexOf<\/span>(<\/span>change16bitColorToSting<\/span>(<\/span>color<\/span>))])<\/span>\r\n  }<\/span>\r\n})<\/span>\r\n\r\nfunction<\/span> change16bitColorToObj<\/span>(<\/span>color<\/span>){<\/span>\r\n  let<\/span> bitR<\/span> =<\/span> color<\/span>.<\/span>_rgb<\/span>[<\/span>0<\/span>].<\/span>toString<\/span>(<\/span>16<\/span>)<\/span>\r\n  if<\/span>(<\/span>bitR<\/span>.<\/span>length<\/span> ===<\/span> 1<\/span>)<\/span> bitR<\/span> =<\/span> '<\/span>0<\/span>'<\/span> +<\/span> bitR<\/span>\r\n  let<\/span> bitG<\/span> =<\/span> color<\/span>.<\/span>_rgb<\/span>[<\/span>1<\/span>].<\/span>toString<\/span>(<\/span>16<\/span>)<\/span>\r\n  if<\/span>(<\/span>bitG<\/span>.<\/span>length<\/span> ===<\/span> 1<\/span>)<\/span> bitG<\/span> =<\/span> '<\/span>0<\/span>'<\/span> +<\/span> bitG<\/span>\r\n  let<\/span> bitB<\/span> =<\/span> color<\/span>.<\/span>_rgb<\/span>[<\/span>2<\/span>].<\/span>toString<\/span>(<\/span>16<\/span>)<\/span>\r\n  if<\/span>(<\/span>bitB<\/span>.<\/span>length<\/span> ===<\/span> 1<\/span>)<\/span> bitB<\/span> =<\/span> '<\/span>0<\/span>'<\/span> +<\/span> bitB<\/span>\r\n  return<\/span> '<\/span>#<\/span>'<\/span> +<\/span> bitR<\/span> +<\/span> bitG<\/span> +<\/span> bitB<\/span>\r\n}<\/span>\r\nfunction<\/span> change16bitColorToSting<\/span>(<\/span>color<\/span>){<\/span>\r\n  let<\/span> bitR<\/span> =<\/span> color<\/span>.<\/span>r<\/span>.<\/span>toString<\/span>(<\/span>16<\/span>)<\/span>\r\n  if<\/span>(<\/span>bitR<\/span>.<\/span>length<\/span> ===<\/span> 1<\/span>)<\/span> bitR<\/span> =<\/span> '<\/span>0<\/span>'<\/span> +<\/span> bitR<\/span>\r\n  let<\/span> bitG<\/span> =<\/span> color<\/span>.<\/span>g<\/span>.<\/span>toString<\/span>(<\/span>16<\/span>)<\/span>\r\n  if<\/span>(<\/span>bitG<\/span>.<\/span>length<\/span> ===<\/span> 1<\/span>)<\/span> bitG<\/span> =<\/span> '<\/span>0<\/span>'<\/span> +<\/span> bitG<\/span>\r\n  let<\/span> bitB<\/span> =<\/span> color<\/span>.<\/span>b<\/span>.<\/span>toString<\/span>(<\/span>16<\/span>)<\/span>\r\n  if<\/span>(<\/span>bitB<\/span>.<\/span>length<\/span> ===<\/span> 1<\/span>)<\/span> bitB<\/span> =<\/span> '<\/span>0<\/span>'<\/span> +<\/span> bitB<\/span>\r\n  return<\/span> '<\/span>#<\/span>'<\/span> +<\/span> bitR<\/span> +<\/span> bitG<\/span> +<\/span> bitB<\/span>\r\n}<\/span>\r\n\r\n<\/code><\/pre>\n
\u7537\u6027\u7c7b\u578b\u5305\u62ec\uff1a\u70ed\u8840\u3001\u7eaf\u7cb9\u3001\u53a8\u4e8c\u3001\u51b7\u9759\u3001\u4e2a\u6027\u7684\u3001\u8349\u98df\u7cfb\u3001\u6d3b\u8dc3\u3002<\/p>\n
\u5c06\u8fd9\u4e2a\u6570\u7ec4\u8fdb\u884c\u5206\u914d\u5e76\u8f93\u51fa\uff0c\u663e\u793a\u5982\u4e0b\u3002<\/p>\n
\u7d14\u7c8b\r\n\u53a8\u4e8c\r\n\u53a8\u4e8c\r\n\u53a8\u4e8c\r\n\u71b1\u8840\r\n<\/code><\/pre>\n
\u6e38\u620f\u4e2d\u5c06\u524d\u4e09\u4e2a\u8272\u7cfb\u7684\u6027\u683c\u4f5c\u4e3a\u53c2\u6570\u8f93\u5165\u3002<\/p>\n
\u7ed3\u675f<\/h2>\n
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