{"id":101891,"date":"2024-03-22T04:36:25","date_gmt":"2024-03-21T19:36:25","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7cookie%e6%83%85%e5%a0%b1%e3%82%92%e5%8f%96%e5%be%97%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/"},"modified":"2024-03-28T05:24:00","modified_gmt":"2024-03-27T20:24:00","slug":"java%e3%81%a7cookie%e6%83%85%e5%a0%b1%e3%82%92%e5%8f%96%e5%be%97%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7cookie%e6%83%85%e5%a0%b1%e3%82%92%e5%8f%96%e5%be%97%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/","title":{"rendered":"Java\u3067Cookie\u60c5\u5831\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"<p>Java\u3067\u306f\u3001javax.servlet.http.HttpServletRequest\u3092\u5229\u7528\u3057\u3066Cookie\u60c5\u5831\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">import<\/span> javax.servlet.http.Cookie;\r\n<span class=\"hljs-keyword\">import<\/span> javax.servlet.http.HttpServletRequest;\r\n\r\n<span class=\"hljs-comment\">\/\/ \u83b7\u53d6Cookie\u4fe1\u606f<\/span>\r\n<span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title class_\">CookieUtils<\/span> {\r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> String <span class=\"hljs-title function_\">getCookieValue<\/span><span class=\"hljs-params\">(HttpServletRequest request, String cookieName)<\/span> {\r\n        <span class=\"hljs-type\">String<\/span> <span class=\"hljs-variable\">cookieValue<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-literal\">null<\/span>;\r\n        Cookie[] cookies = request.getCookies();\r\n        <span class=\"hljs-keyword\">if<\/span> (cookies != <span class=\"hljs-literal\">null<\/span>) {\r\n            <span class=\"hljs-keyword\">for<\/span> (Cookie cookie : cookies) {\r\n                <span class=\"hljs-keyword\">if<\/span> (cookie.getName().equals(cookieName)) {\r\n                    cookieValue = cookie.getValue();\r\n                    <span class=\"hljs-keyword\">break<\/span>;\r\n                }\r\n            }\r\n        }\r\n        <span class=\"hljs-keyword\">return<\/span> cookieValue;\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>\u4e0a\u8a18\u30b3\u30fc\u30c9\u3092\u5229\u7528\u3057\u3066\u3001Java\u306e\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u4e2d\u3067\u3001getCookieValue\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3059\u3053\u3068\u3067\u3001\u6307\u5b9a\u3057\u305f\u540d\u524d\u306e\u30af\u30c3\u30ad\u30fc\u306e\u5024\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">import<\/span> javax.servlet.http.HttpServlet;\r\n<span class=\"hljs-keyword\">import<\/span> javax.servlet.http.HttpServletRequest;\r\n<span class=\"hljs-keyword\">import<\/span> javax.servlet.http.HttpServletResponse;\r\n<span class=\"hljs-keyword\">import<\/span> java.io.IOException;\r\n\r\n<span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title class_\">MyServlet<\/span> <span class=\"hljs-keyword\">extends<\/span> <span class=\"hljs-title class_\">HttpServlet<\/span> {\r\n    <span class=\"hljs-keyword\">protected<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title function_\">doGet<\/span><span class=\"hljs-params\">(HttpServletRequest request, HttpServletResponse response)<\/span> <span class=\"hljs-keyword\">throws<\/span> IOException {\r\n        <span class=\"hljs-type\">String<\/span> <span class=\"hljs-variable\">cookieValue<\/span> <span class=\"hljs-operator\">=<\/span> CookieUtils.getCookieValue(request, <span class=\"hljs-string\">\"myCookie\"<\/span>);\r\n        response.getWriter().println(<span class=\"hljs-string\">\"Cookie value: \"<\/span> + cookieValue);\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>\u4e0a\u8a18\u306e\u4f8b\u3067\u306fdoGet\u30e1\u30bd\u30c3\u30c9\u306f&#8221;myCookie&#8221;\u3068\u3044\u3046\u540d\u524d\u306eCookie\u5024\u3092\u53d6\u5f97\u3057\u3001HTTP\u30ec\u30b9\u30dd\u30f3\u30b9\u306b\u51fa\u529b\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java\u3067\u306f\u3001javax.servlet.http.HttpServletRequest\u3092\u5229\u7528\u3057\u3066Cookie\u60c5\u5831\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002 import javax.servlet.http.Cookie;  [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-101891","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Java\u3067Cookie\u60c5\u5831\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/ja\/blog\/java\u3067cookie\u60c5\u5831\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Java\u3067Cookie\u60c5\u5831\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5\" \/>\n<meta property=\"og:description\" content=\"Java\u3067\u306f\u3001javax.servlet.http.HttpServletRequest\u3092\u5229\u7528\u3057\u3066Cookie\u60c5\u5831\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002 import javax.servlet.http.Cookie; 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[&hellip;]","og_url":"https:\/\/www.silicloud.com\/ja\/blog\/java\u3067cookie\u60c5\u5831\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5\/","og_site_name":"Blog - Silicon Cloud","article_published_time":"2024-03-21T19:36:25+00:00","article_modified_time":"2024-03-27T20:24:00+00:00","author":"\u967d, \u5411\u5b87","twitter_card":"summary_large_image","twitter_misc":{"\u57f7\u7b46\u8005":"\u967d, \u5411\u5b87","\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593":"1\u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7cookie%e6%83%85%e5%a0%b1%e3%82%92%e5%8f%96%e5%be%97%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/","url":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7cookie%e6%83%85%e5%a0%b1%e3%82%92%e5%8f%96%e5%be%97%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/","name":"Java\u3067Cookie\u60c5\u5831\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5 - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/ja\/blog\/#website"},"datePublished":"2024-03-21T19:36:25+00:00","dateModified":"2024-03-27T20:24:00+00:00","author":{"@id":"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/4aef6196128551a0f5d66db46c42866c"},"breadcrumb":{"@id":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7cookie%e6%83%85%e5%a0%b1%e3%82%92%e5%8f%96%e5%be%97%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/#breadcrumb"},"inLanguage":"ja","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7cookie%e6%83%85%e5%a0%b1%e3%82%92%e5%8f%96%e5%be%97%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7cookie%e6%83%85%e5%a0%b1%e3%82%92%e5%8f%96%e5%be%97%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.silicloud.com\/ja\/blog\/"},{"@type":"ListItem","position":2,"name":"Java\u3067Cookie\u60c5\u5831\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5"}]},{"@type":"WebSite","@id":"https:\/\/www.silicloud.com\/ja\/blog\/#website","url":"https:\/\/www.silicloud.com\/ja\/blog\/","name":"Blog - Silicon Cloud","description":"","inLanguage":"ja"},{"@type":"Person","@id":"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/4aef6196128551a0f5d66db46c42866c","name":"\u967d, \u5411\u5b87","image":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/ad96b120e219751fa368cbd7d2c48ca01b59185e6ed394449bac72614a760bf3?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/ad96b120e219751fa368cbd7d2c48ca01b59185e6ed394449bac72614a760bf3?s=96&d=mm&r=g","caption":"\u967d, \u5411\u5b87"},"url":"https:\/\/www.silicloud.com\/ja\/blog\/author\/hinatasora\/"},{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7cookie%e6%83%85%e5%a0%b1%e3%82%92%e5%8f%96%e5%be%97%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/#local-main-organization-logo","url":"","contentUrl":"","caption":"Blog - Silicon Cloud"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts\/101891","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/comments?post=101891"}],"version-history":[{"count":2,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts\/101891\/revisions"}],"predecessor-version":[{"id":200847,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts\/101891\/revisions\/200847"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/media?parent=101891"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/categories?post=101891"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/tags?post=101891"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}