{"id":134230,"date":"2024-03-26T06:56:43","date_gmt":"2024-03-25T21:56:43","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/json%e3%82%92map%e3%81%ab%e9%ab%98%e9%80%9f%e3%81%ab%e5%a4%89%e6%8f%9b%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/"},"modified":"2024-04-04T23:36:20","modified_gmt":"2024-04-04T14:36:20","slug":"json%e3%82%92map%e3%81%ab%e9%ab%98%e9%80%9f%e3%81%ab%e5%a4%89%e6%8f%9b%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/json%e3%82%92map%e3%81%ab%e9%ab%98%e9%80%9f%e3%81%ab%e5%a4%89%e6%8f%9b%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/","title":{"rendered":"JSON\u3092Map\u306b\u9ad8\u901f\u306b\u5909\u63db\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"<p>JSON\u3092Map\u3078\u5909\u63db\u3059\u308b\u5834\u5408\u3001Jackson\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u5229\u7528\u3059\u308b\u306e\u304c\u6700\u3082\u9ad8\u901f\u3067\u3059\u3002<\/p>\n<p>Jackson\u306fJSON\u6587\u5b57\u5217\u3092Java\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u5909\u63db\u3059\u308b\u6a5f\u80fd\u3092\u6301\u3064\u3001\u975e\u5e38\u306b\u9ad8\u901f\u304b\u3064\u52b9\u7387\u7684\u306aJSON\u51e6\u7406\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3059\u3002JSON\u3092Map\u306b\u5909\u63db\u3059\u308b\u306b\u306f\u3001Jackson\u306eObjectMapper\u30af\u30e9\u30b9\u306ereadValue\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>JSON \u6587\u5b57\u5217\u3092 Map \u306b\u5909\u63db\u3059\u308b\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">import<\/span> com.fasterxml.jackson.databind.ObjectMapper;\r\n<span class=\"hljs-keyword\">import<\/span> java.io.IOException;\r\n<span class=\"hljs-keyword\">import<\/span> java.util.Map;\r\n<span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title class_\">JsonToMapExample<\/span> {\r\n<span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title function_\">main<\/span><span class=\"hljs-params\">(String[] args)<\/span> {\r\n<span class=\"hljs-type\">String<\/span> <span class=\"hljs-variable\">json<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-string\">\"{\\\"name\\\":\\\"John\\\", \\\"age\\\":30, \\\"city\\\":\\\"New York\\\"}\"<\/span>;\r\n<span class=\"hljs-type\">ObjectMapper<\/span> <span class=\"hljs-variable\">objectMapper<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">ObjectMapper<\/span>();\r\n<span class=\"hljs-keyword\">try<\/span> {\r\nMap&lt;String, Object&gt; map = objectMapper.readValue(json, Map.class);\r\nSystem.out.println(map);\r\n} <span class=\"hljs-keyword\">catch<\/span> (IOException e) {\r\ne.printStackTrace();\r\n}\r\n}\r\n}\r\n<\/code><\/pre>\n<p>\u4e0a\u8a18\u306e\u4f8b\u3067\u306f\u3001JSON\u6587\u5b57\u5217\u3092Map\u306b\u5909\u63db\u3059\u308b\u305f\u3081\u306bObjectMapper\u306ereadValue\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u6700\u5f8c\u306b\u3001\u5909\u63db\u3055\u308c\u305fMap\u304c\u51fa\u529b\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>Jackson\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u7528\u3059\u308b\u306b\u306f\u3001\u6b21\u306eMaven\u4f9d\u5b58\u95a2\u4fc2\u3092\u8ffd\u52a0\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">dependency<\/span>&gt;<\/span>\r\n<span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">groupId<\/span>&gt;<\/span>com.fasterxml.jackson.core<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">groupId<\/span>&gt;<\/span>\r\n<span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">artifactId<\/span>&gt;<\/span>jackson-databind<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">artifactId<\/span>&gt;<\/span>\r\n<span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">version<\/span>&gt;<\/span>2.12.3<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">version<\/span>&gt;<\/span>\r\n<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">dependency<\/span>&gt;<\/span>\r\n<\/code><\/pre>\n<p>Jackson\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u7528\u3057\u305fJSON\u5909\u63db\u306f\u975e\u5e38\u306b\u9ad8\u901f\u3067\u3042\u308a\u3001\u5927\u91cf\u306e\u30c7\u30fc\u30bf\u3092\u51e6\u7406\u3059\u308b\u969b\u306b\u3082\u826f\u597d\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u767a\u63ee\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>JSON\u3092Map\u3078\u5909\u63db\u3059\u308b\u5834\u5408\u3001Jackson\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u5229\u7528\u3059\u308b\u306e\u304c\u6700\u3082\u9ad8\u901f\u3067\u3059\u3002 Jackson\u306fJSON\u6587\u5b57\u5217\u3092Java\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u5909\u63db\u3059\u308b\u6a5f\u80fd\u3092\u6301\u3064\u3001\u975e\u5e38\u306b\u9ad8\u901f\u304b\u3064\u52b9\u7387\u7684\u306aJSON\u51e6\u7406\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3059\u3002JSON\u3092 [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-134230","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>JSON\u3092Map\u306b\u9ad8\u901f\u306b\u5909\u63db\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\/json\u3092map\u306b\u9ad8\u901f\u306b\u5909\u63db\u3059\u308b\u65b9\u6cd5\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" 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