{"id":127898,"date":"2024-03-25T04:23:17","date_gmt":"2024-03-24T19:23:17","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7fastjson%e3%82%92%e4%bd%bf%e3%81%86%e6%96%b9%e6%b3%95%e3%82%92%e6%95%99%e3%81%88%e3%81%a6\/"},"modified":"2024-03-27T22:46:02","modified_gmt":"2024-03-27T13:46:02","slug":"java%e3%81%a7fastjson%e3%82%92%e4%bd%bf%e3%81%86%e6%96%b9%e6%b3%95%e3%82%92%e6%95%99%e3%81%88%e3%81%a6","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7fastjson%e3%82%92%e4%bd%bf%e3%81%86%e6%96%b9%e6%b3%95%e3%82%92%e6%95%99%e3%81%88%e3%81%a6\/","title":{"rendered":"Java\u3067Fastjson\u3092\u4f7f\u3046\u65b9\u6cd5\u3092\u6559\u3048\u3066"},"content":{"rendered":"

JSON\u3092\u6271\u3046\u305f\u3081\u306eJava\u306b\u304a\u3051\u308b\u512a\u308c\u305f\u30c4\u30fc\u30eb\u3067\u3042\u308bFastjson\u306f\u3001JSON\u306e\u89e3\u6790\u3068\u751f\u6210\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u3001Fastjson\u3092\u4f7f\u7528\u3059\u308b\u4e00\u822c\u7684\u306a\u64cd\u4f5c\u3067\u3059\u3002<\/p>\n

    \n
  1. \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092 JSON \u6587\u5b57\u5217\u306b\u5909\u63db\u3059\u308b\uff1a<\/li>\n<\/ol>\n
    Person<\/span> person<\/span> =<\/span> new<\/span> Person<\/span>(\"Tom\"<\/span>, 18<\/span>);\r\nString<\/span> jsonString<\/span> =<\/span> JSON.toJSONString(person);\r\nSystem.out.println(jsonString);\r\n<\/code><\/pre>\n
      \n
    1. JSON\u6587\u5b57\u5217\u3092\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u5909\u63db\u3059\u308b\uff1a<\/li>\n<\/ol>\n
      String<\/span> jsonString<\/span> =<\/span> \"{\\\"name\\\":\\\"Tom\\\",\\\"age\\\":18}\"<\/span>;\r\nPerson<\/span> person<\/span> =<\/span> JSON.parseObject(jsonString, Person.class);\r\nSystem.out.println(person.getName());\r\nSystem.out.println(person.getAge());\r\n<\/code><\/pre>\n
        \n
      1. JSON\u6587\u5b57\u5217\u3092JSONObject\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u5909\u63db\u3059\u308b\uff1a<\/li>\n<\/ol>\n
        String<\/span> jsonString<\/span> =<\/span> \"{\\\"name\\\":\\\"Tom\\\",\\\"age\\\":18}\"<\/span>;\r\nJSONObject<\/span> jsonObject<\/span> =<\/span> JSON.parseObject(jsonString);\r\nSystem.out.println(jsonObject.getString(\"name\"<\/span>));\r\nSystem.out.println(jsonObject.getInteger(\"age\"<\/span>));\r\n<\/code><\/pre>\n
          \n
        1. JSON\u6587\u5b57\u5217\u3092JSONArray\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u5909\u63db\u3059\u308b\uff1a<\/li>\n<\/ol>\n
          String<\/span> jsonString<\/span> =<\/span> \"[{\\\"name\\\":\\\"Tom\\\",\\\"age\\\":18},{\\\"name\\\":\\\"Jerry\\\",\\\"age\\\":20}]\"<\/span>;\r\nJSONArray<\/span> jsonArray<\/span> =<\/span> JSON.parseArray(jsonString);\r\nfor<\/span> (int<\/span> i<\/span> =<\/span> 0<\/span>; i < jsonArray.size(); i++) {\r\nJSONObject<\/span> jsonObject<\/span> =<\/span> jsonArray.getJSONObject(i);\r\nSystem.out.println(jsonObject.getString(\"name\"<\/span>));\r\nSystem.out.println(jsonObject.getInteger(\"age\"<\/span>));\r\n}\r\n<\/code><\/pre>\n
            \n
          1. Map\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092JSON\u6587\u5b57\u5217\u306b\u5909\u63db\u3059\u308b\uff1a<\/li>\n<\/ol>\n
            Map<String, Object> map = new<\/span> HashMap<\/span><>();\r\nmap.put(\"name\"<\/span>, \"Tom\"<\/span>);\r\nmap.put(\"age\"<\/span>, 18<\/span>);\r\nString<\/span> jsonString<\/span> =<\/span> JSON.toJSONString(map);\r\nSystem.out.println(jsonString);\r\n<\/code><\/pre>\n
              \n
            1. JSON\u6587\u5b57\u5217\u3092Map\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u5909\u63db\u3059\u308b\uff1a<\/li>\n<\/ol>\n
              String<\/span> jsonString<\/span> =<\/span> \"{\\\"name\\\":\\\"Tom\\\",\\\"age\\\":18}\"<\/span>;\r\nMap<String, Object> map = JSON.parseObject(jsonString, new<\/span> TypeReference<\/span><Map<String, Object>>() {});\r\nSystem.out.println(map.get(\"name\"<\/span>));\r\nSystem.out.println(map.get(\"age\"<\/span>));\r\n<\/code><\/pre>\n
              Fastjson\u306e\u57fa\u672c\u7684\u306a\u4f7f\u7528\u65b9\u6cd5\u3092\u3044\u304f\u3064\u304b\u7d39\u4ecb\u3057\u307e\u3059\u3002\u5177\u4f53\u7684\u306a\u30cb\u30fc\u30ba\u306b\u5fdc\u3058\u3066\u3001\u3055\u3089\u306b\u5b66\u7fd2\u3057\u3066\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
              JSON\u3092\u6271\u3046\u305f\u3081\u306eJava\u306b\u304a\u3051\u308b\u512a\u308c\u305f\u30c4\u30fc\u30eb\u3067\u3042\u308bFastjson\u306f\u3001JSON\u306e\u89e3\u6790\u3068\u751f\u6210\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u3001Fastjson\u3092\u4f7f\u7528\u3059\u308b\u4e00\u822c\u7684\u306a\u64cd\u4f5c\u3067\u3059\u3002 \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092 JSON \u6587\u5b57\u5217\u306b\u5909\u63db\u3059\u308b\uff1a Pers […]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-127898","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nJava\u3067Fastjson\u3092\u4f7f\u3046\u65b9\u6cd5\u3092\u6559\u3048\u3066 - 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\u3067fastjson\u3092\u4f7f\u3046\u65b9\u6cd5\u3092\u6559\u3048\u3066\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Java\u3067Fastjson\u3092\u4f7f\u3046\u65b9\u6cd5\u3092\u6559\u3048\u3066\" \/>\n<meta property=\"og:description\" content=\"JSON\u3092\u6271\u3046\u305f\u3081\u306eJava\u306b\u304a\u3051\u308b\u512a\u308c\u305f\u30c4\u30fc\u30eb\u3067\u3042\u308bFastjson\u306f\u3001JSON\u306e\u89e3\u6790\u3068\u751f\u6210\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u3001Fastjson\u3092\u4f7f\u7528\u3059\u308b\u4e00\u822c\u7684\u306a\u64cd\u4f5c\u3067\u3059\u3002 \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092 JSON \u6587\u5b57\u5217\u306b\u5909\u63db\u3059\u308b\uff1a Pers […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/java\u3067fastjson\u3092\u4f7f\u3046\u65b9\u6cd5\u3092\u6559\u3048\u3066\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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