{"id":57458,"date":"2018-06-11T10:52:49","date_gmt":"2018-06-11T01:52:49","guid":{"rendered":"https:\/\/www.sejuku.net\/blog\/?p=57458"},"modified":"2024-05-06T11:48:29","modified_gmt":"2024-05-06T02:48:29","slug":"%e3%81%af%e3%81%98%e3%82%81%e3%81%a6%e3%81%aeruby%ef%bc%81nokogiri%e3%81%a7%e3%82%b9%e3%82%af%e3%83%ac%e3%82%a4%e3%83%94%e3%83%b3%e3%82%b0%e3%81%ae%e5%9f%ba%e7%a4%8e%e3%82%92%e7%90%86%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/www.sejuku.net\/blog\/57458","title":{"rendered":"\u306f\u3058\u3081\u3066\u306eRuby\uff01Nokogiri\u3067\u30b9\u30af\u30ec\u30a4\u30d4\u30f3\u30b0\u306e\u57fa\u790e\u3092\u7406\u89e3\u3057\u3088\u3046\uff01"},"content":{"rendered":"

Ruby\u306b\u306fWeb\u30b9\u30af\u30ec\u30a4\u30d4\u30f3\u30b0\u3059\u308b\u305f\u3081\u306b\u4fbf\u5229\u306a\u30e9\u30a4\u30d6\u30e9\u30ea\u300cNokogiri\u300d<\/strong><\/span>\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

Ruby\u3067\u958b\u767a\u3092\u884c\u3046\u969b\u306b\u3001<\/p>\n

\u300c\u30b9\u30af\u30ec\u30a4\u30d4\u30f3\u30b0\u306e\u3084\u308a\u65b9\u304c\u3088\u304f\u308f\u304b\u3089\u306a\u3044\u300d
\n\u300c\u52b9\u7387\u3088\u304fWeb\u30b9\u30af\u30ec\u30a4\u30d4\u30f3\u30b0\u3057\u305f\u3044\u300d<\/strong><\/span><\/p>\n

\u306e\u3088\u3046\u306a\u554f\u984c\u306b\u76f4\u9762\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u3053\u3053\u3067\u306f\u3001\u30b9\u30af\u30ec\u30a4\u30d4\u30f3\u30b0\u3059\u308b\u3068\u304d\u306b\u4fbf\u5229\u306aNokogiri\u306b\u3064\u3044\u3066\u3001<\/p>\n

\n\u3010\u57fa\u672c\u3011<\/strong><\/span>\u305d\u3082\u305d\u3082\u30b9\u30af\u30ec\u30a4\u30d4\u30f3\u30b0\u3068\u306f\uff1f
\n\u3010\u57fa\u672c\u3011<\/strong><\/span>Nokogiri\u3068\u306f
\n\u3010\u57fa\u672c\u3011<\/strong><\/span>Nokogiri\u306e\u4f7f\u3044\u65b9
\n\u3010\u5b9f\u8df5\u3011<\/strong><\/span>Nokogiri\u3067\u5404\u8981\u7d20\u3092\u53d6\u5f97\u3059\u308b\n<\/div>\n

\u306a\u3069\u306b\u3064\u3044\u3066\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n

Nokogiri\u306f\u30b9\u30af\u30ec\u30a4\u30d4\u30f3\u30b0\u3059\u308b\u3068\u304d\u306b\u975e\u5e38\u306b\u4fbf\u5229\u306a\u30e9\u30a4\u30d6\u30e9\u30ea<\/strong><\/span>\u3067\u3059\u306e\u3067\u3001\u3053\u306e\u6a5f\u4f1a\u306b\u899a\u3048\u3066\u304a\u304d\u307e\u3057\u3087\u3046\uff01<\/p>\n

\u305d\u3082\u305d\u3082\u30b9\u30af\u30ec\u30a4\u30d4\u30f3\u30b0\u3068\u306f\uff1f<\/h2>\n

\u30b9\u30af\u30ec\u30a4\u30d4\u30f3\u30b0<\/strong><\/span>\u3068\u306f\u4e3b\u306bWeb\u30b5\u30a4\u30c8\u304b\u3089HTML\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3057\u3066\u3001\u5fc5\u8981\u306a\u8981\u7d20\u3092\u62bd\u51fa\u3001\u52a0\u5de5\u3059\u308b\u305f\u3081\u306e\u6280\u8853\u3092\u6307\u3057\u307e\u3059\u3002<\/p>\n

Web\u30b9\u30af\u30ec\u30a4\u30d4\u30f3\u30b0\u306f\u591a\u304f\u306e\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u3067\u3082\u4f7f\u7528\u3055\u308c\u3001Web\u4e0a\u306e\u30c7\u30fc\u30bf\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4ed8\u3051\u3059\u308b\u3068\u304d\u306a\u3069\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n

\u30b9\u30af\u30ec\u30a4\u30d4\u30f3\u30b0\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067HTML\u306e\u30bf\u30b0\u306a\u3069\u3092\u7c21\u5358\u306b\u53d6\u308a\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u308b<\/strong><\/span>\u306e\u3067\u3001Web\u30b5\u30fc\u30d3\u30b9\u958b\u767a\u306e\u73fe\u5834\u3067\u306f\u3088\u304f\u4f7f\u7528\u3055\u308c\u308b\u6280\u8853\u306e1\u3064\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

Nokogiri\u3068\u306f\uff1f<\/h2>\n

\"nokogiri\"
\n\u516c\u5f0f\u30b5\u30a4\u30c8\uff1ahttp:\/\/www.nokogiri.org\/<\/a><\/p>\n

Nokogiri<\/strong><\/span>\u306fRuby\u3067Web\u30b9\u30af\u30ec\u30a4\u30d4\u30f3\u30b0\u3059\u308b\u3068\u304d\u306b\u306e\u5b9a\u756a\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3059\u3002<\/p>\n

Nokogiri\u3092\u4f7f\u7528\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u300copen-url\u300d\u300cnokogiri\u300d<\/strong><\/span>\u306e2\u3064\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

open-url\u306f\u6a19\u6e96\u3067\u4f7f\u7528\u3067\u304d\u308b\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3059\u304c\u3001\u300cnokogiri\u300d\u306f\u5225\u9014\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/strong><\/span><\/p>\n

\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306f\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3067\u884c\u3044\u307e\u3059\u3002<\/p>\n

$ gem install nokogiri<\/pre>\n
\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3067\u304d\u305f\u3089\u3001Nokogiri\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\uff01<\/p>\n
Nokogiri\u306e\u4f7f\u3044\u65b9<\/h2>\n
HTML\u306e\u60c5\u5831\u3092\u5168\u3066\u53d6\u5f97\u3057\u305f\u3044<\/strong><\/span>\u5834\u5408\u306f\u3001Nokogiri\u3067HTML\u306e\u5f15\u6570\u306b\u53d6\u5f97\u3057\u305f\u3044URL\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n
\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0\uff1a<\/p>\n
require 'nokogiri'\r\nrequire 'open-uri'\r\n\r\n# \u5bfe\u8c61\u306eURL\r\nurl = \"https:\/\/www.sejuku.net\/blog\/\"\r\n\r\n# Nokogiri\u3067URL\u306e\u60c5\u5831\u3092\u53d6\u5f97\u3059\u308b\r\ncontents = Nokogiri::HTML(open(url),nil,\"utf-8\")\r\n\r\nputs contents<\/pre>\n
\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n
<!DOCTYPE html>\r\n<!\u2014[if IE 8]><html class=\u201cie8\u201d><![endif]\u2014><!\u2014[if IE 9]><html class=\u201cie9\u201d><![endif]\u2014><!\u2014[if gt IE 8]><!\u2014><html lang=\u201cja\u201d itemscope itemtype=\u201chttp:\/\/schema.org\/WebSite\u201d prefix=\u201cog: http:\/\/ogp.me\/ns#\u201d> <!\u2014<![endif]\u2014>\r\n\u301c\r\n\/* <![CDATA[ *\/\r\nvar Gianism = {\u201cadmin\u201d:\u201d\u201d};\r\n\/<\/pre>\n
\u3053\u306e\u3088\u3046\u306b\u7c21\u5358\u306bHTML\u306e\u60c5\u5831\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u306d\uff01<\/p>\n
Nokogiri\u3067\u5404\u8981\u7d20\u3092\u53d6\u5f97\u3059\u308b<\/h2>\n
\u3053\u3053\u3067\u306fNokogiri\u516c\u5f0f\u30da\u30fc\u30b8\u3067\u7d39\u4ecb\u3055\u308c\u3066\u3044\u308b\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u53c2\u8003\u306b\u3001css\u3084xpath\u306e\u30ce\u30fc\u30c9\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5<\/strong><\/span>\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n
\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0\uff1a<\/p>\n
require 'nokogiri'\r\nrequire 'open-uri'\r\n\r\n# \u5bfe\u8c61\u306eURL\r\nurl = \"https:\/\/www.sejuku.net\/blog\/\"\r\n\r\n# Nokogiri\u3067\u5207\u308a\u5206\u3051\r\ndoc = Nokogiri::HTML(open(url))\r\n\r\nputs \"### CSS\u30ce\u30fc\u30c9\u3092\u691c\u7d22\u3059\u308b\"\r\ndoc.css('h2').each do |link|\r\n  puts link.content\r\nend\r\n\r\nputs \"### xpath\u30ce\u30fc\u30c9\u3092\u691c\u7d22\u3059\u308b\"\r\ndoc.xpath('\/\/nav\/\/ul\/\/li\/a', '\/\/article\/\/h2').each do |link|\r\n  puts link.content\r\nend\r\n\r\nputs \"### \u30df\u30c3\u30af\u30b9\u3055\u308c\u305f\u30ce\u30fc\u30c9\u3092\u691c\u7d22\u3059\u308b.\"\r\ndoc.search('nav ul.menu li a', '\/\/article\/\/h2').each do |link|\r\n  puts link.content\r\nend<\/pre>\n
\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n
### CSS\u30ce\u30fc\u30c9\u3092\u691c\u7d22\u3059\u308b\r\n\u301c\r\nLinux\u3067Windows\u30a2\u30d7\u30ea\uff1fWine 3.0\u3068WinMerge\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u307f\u305f\r\n\u3010CSS\u3011\u6587\u5b57\u30b5\u30a4\u30ba\u3092\u81ea\u7531\u306b\u5909\u66f4! font-size\u306e\u4f7f\u3044\u65b9\r\n\u3010C#\u5165\u9580\u3011ListView\u306e\u4f7f\u3044\u65b9(\u9805\u76ee\u306e\u8ffd\u52a0\u3001\u30bd\u30fc\u30c8\u3084\u30b9\u30af\u30ed\u30fc\u30eb\u306e\u8a2d\u5b9a)<\/pre>\n
\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u306f\u3001Nokogiri\u3067\u53d6\u5f97\u3057\u305fHTML\u60c5\u5831\u3092\u5143\u306b\u3001css\u3084xpath\u306a\u3069\u306e\u30ce\u30fc\u30c9\u3092\u5168\u3066\u53d6\u5f97\u3057\u3066\u51fa\u529b\u3057\u3066\u3044\u307e\u3059\u3002<\/strong><\/span><\/p>\n
\u5404\u30ce\u30fc\u30c9\u3054\u3068\u306b\u6307\u5b9a\u3057\u305f\u300ch2\u300d\u30bf\u30b0\u306e\u60c5\u5831\u3092\u5168\u90e8\u53d6\u5f97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n
\u307e\u3068\u3081<\/h2>\n
\u3053\u3053\u3067\u306f\u3001Nokogiri\u3067\u30b9\u30af\u30ec\u30a4\u30d4\u30f3\u30b0\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3001<\/p>\n
    \n
  • \u305d\u3082\u305d\u3082\u30b9\u30af\u30ec\u30a4\u30d4\u30f3\u30b0\u3068\u306f\uff1f<\/li>\n
  • Nokogiri\u3068\u306f<\/li>\n
  • Nokogiri\u306e\u4f7f\u3044\u65b9<\/li>\n
  • Nokogiri\u3067\u5404\u8981\u7d20\u3092\u53d6\u5f97\u3059\u308b<\/li>\n<\/ul>\n
    \u306a\u3069\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002<\/p>\n
    Web\u30b5\u30fc\u30d3\u30b9\u306e\u958b\u767a\u3092\u884c\u3046\u4e0a\u3067\u3001\u30b9\u30af\u30ec\u30a4\u30d4\u30f3\u30b0\u306f\u4f7f\u7528\u3059\u308b\u6a5f\u4f1a\u304c\u591a\u3044\u3068\u8a00\u3048\u307e\u3059<\/strong><\/span>\u306e\u3067\u3001\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u306f\u3088\u304f\u7406\u89e3\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n
    \u3082\u3057\u3001Nokogiri\u306e\u4f7f\u3044\u65b9\u3092\u5fd8\u308c\u3066\u3057\u307e\u3063\u305f\u3089\u3001\u3053\u306e\u8a18\u4e8b\u3092\u601d\u3044\u51fa\u3057\u3066\u304f\u3060\u3055\u3044\u306d\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
    Ruby\u306b\u306fWeb\u30b9\u30af\u30ec\u30a4\u30d4\u30f3\u30b0\u3059\u308b\u305f\u3081\u306b\u4fbf\u5229\u306a\u30e9\u30a4\u30d6\u30e9\u30ea\u300cNokogiri\u300d\u304c\u3042\u308a\u307e\u3059\u3002 Ruby\u3067\u958b\u767a\u3092\u884c\u3046\u969b\u306b\u3001 \u300c\u30b9\u30af\u30ec\u30a4\u30d4\u30f3\u30b0\u306e\u3084\u308a\u65b9\u304c\u3088\u304f\u308f\u304b\u3089\u306a\u3044\u300d \u300c\u52b9\u7387\u3088\u304fWeb\u30b9\u30af\u30ec\u30a4\u30d4\u30f3\u30b0\u3057\u305f\u3044\u300d \u306e\u3088\u3046\u306a\u554f\u984c\u306b\u76f4 […]<\/p>\n","protected":false},"author":16433,"featured_media":57460,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"swell_btn_cv_data":"","footnotes":""},"categories":[2352],"tags":[114],"class_list":["post-57458","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ruby-study","tag-ruby"],"acf":[],"yoast_head":"\n\u306f\u3058\u3081\u3066\u306eRuby\uff01Nokogiri\u3067\u30b9\u30af\u30ec\u30a4\u30d4\u30f3\u30b0\u306e\u57fa\u790e\u3092\u7406\u89e3\u3057\u3088\u3046\uff01 | \u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u30d6\u30ed\u30b0<\/title>\n<meta name=\"description\" content=\"\u3053\u306e\u8a18\u4e8b\u3067\u306f\u300c \u306f\u3058\u3081\u3066\u306eRuby\uff01Nokogiri\u3067\u30b9\u30af\u30ec\u30a4\u30d4\u30f3\u30b0\u306e\u57fa\u790e\u3092\u7406\u89e3\u3057\u3088\u3046\uff01 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