{"id":942,"date":"2015-08-11T11:21:43","date_gmt":"2015-08-11T03:21:43","guid":{"rendered":"https:\/\/ai.zhousir.top\/?p=942"},"modified":"2026-08-18T12:58:43","modified_gmt":"2026-08-18T04:58:43","slug":"json%e6%95%b0%e6%8d%ae%e8%a7%a3%e6%9e%90","status":"publish","type":"post","link":"https:\/\/ai.zhousir.top\/?p=942","title":{"rendered":"Json\u6570\u636e\u89e3\u6790"},"content":{"rendered":"
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JSON<\/strong> \u662f\u8f7b\u91cf\u7ea7\u6570\u636e\u4ea4\u6362\u683c\u5f0f\uff0c\u5b8c\u5168\u72ec\u7acb\u4e8e\u8bed\u8a00\u7684\u6587\u672c\uff0c\u4eba\u597d\u8bfb\u3001\u673a\u5668\u597d\u89e3\u6790\u3002\u652f\u6301 C\u3001C++\u3001C#\u3001Java\u3001JavaScript\u3001Perl\u3001Python \u7b49\u3002\u5bf9\u8c61\u662f\u65e0\u5e8f\u7684\u300c\u540d\u79f0\/\u503c\u300d\u96c6\u5408\uff1a{<\/code> \u5f00\u59cb }<\/code> \u7ed3\u675f\uff0c\u540d\u79f0\u540e\u8ddf\u5192\u53f7\uff0c\u5bf9\u4e4b\u95f4\u7528\u9017\u53f7\u5206\u9694\u3002<\/p>\n<\/blockquote>\n

<\/p>\n

\n

\u4e00\u3001JSON \u4e66\u5199\u683c\u5f0f<\/span><\/h2>\n

\"\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20210412105246\"<\/a><\/p>\n

    \n
  1. \n
    \u6620\u5c04\u7528\u5192\u53f7\uff1a\u540d\u79f0:\u503c<\/section>\n<\/li>\n
  2. \n
    \u5e76\u5217\u6570\u636e\u7528\u9017\u53f7\uff1a\u540d\u79f01:\u503c1,\u540d\u79f02:\u503c2<\/section>\n<\/li>\n
  3. \n
    \u5bf9\u8c61\u7528\u5927\u62ec\u53f7\uff1a{\u540d\u79f01:\u503c,\u540d\u79f02:\u503c2}<\/section>\n<\/li>\n
  4. \n
    \u6570\u7ec4\u7528\u65b9\u62ec\u53f7\uff1a[ {\u2026}, {\u2026} ]<\/section>\n<\/li>\n
  5. \n
    \u5143\u7d20\u7c7b\u578b\uff1astring, number, object, array, true, false, null<\/section>\n<\/li>\n<\/ol>\n
    \u4f8b1\u3001{ \"name\": \"Obama\"}\n\n\u4f8b2\u3001{ \"name\": \"Romney\",\"age\": 56}\n\n\u4f8b3\u3001{ \"city\":{\"name\": \"bj\"},\"weatherinfo\":{\"weather\": \"sunny\"}}\n\n\u4f8b4\u3001{\n\"city\":{\"name\": \"\u5317\u4eac\",\"city_id\":\"101010100\"},\n\"weatherinfo\":{\"weather\": \"sunny\",\"temp\":\"29\u5ea6\"}\n}\n\n\u4f8b5\u3001\n[\n  { \"name\": \"\u5f20\u4e09\", \"age\":22, \"email\": \"zhangsan@qq.com\" },\n  { \"name\": \"\u674e\u56db\", \"age\":23, \"email\": \"lisi@qq.com\"},\n  { \"name\": \"\u738b\u4e94\", \"age\":24, \"email\": \"wangwu@qq.com\" }\n]\n\n\u4f8b6\u3001\n{ \"student\":\n  [\n    { \"name\": \"\u5f20\u4e09\", \"age\":22, \"email\": \"zhangsan@qq.com\" },\n    { \"name\": \"\u674e\u56db\", \"age\":23, \"email\": \"lisi@qq.com\"},\n    { \"name\": \"\u738b\u4e94\", \"age\":24, \"email\": \"wangwu@qq.com\" }\n  ]\n}<\/code><\/pre>\n
    \n
    \u4e8c\u3001Android \u91cc\u89e3\u6790 JSONObject \/ JSONArray<\/span><\/h2>\n
    JSONObject<\/h3>\n
    \u670d\u52a1\u5668\u4e0a\u6709 http:\/\/www.weather.com.cn\/data\/sk\/101010100.html<\/code>\uff1a<\/p>\n
    {\"weatherinfo\":\n   {\"city\":\"\u5317\u4eac\",\"cityid\":\"101010100\",\"temp\":\"21\",\"WD\":\"\u4e1c\u5357\u98ce\"\n    ,\"WS\":\"2  \u7ea7\",\"SD\":\"78%\",\"WSE\":\"2\",\"time\":\"21:10\",\"isRadar\":\"1\"\n    ,\"Radar\":\"JC_RADAR_AZ9010_JB\"}\n}<\/code><\/pre>\n
      \n
    1. \n
      \u8bfb\u54cd\u5e94\u6d41\uff0c\u5f97\u5230 json \u5b57\u7b26\u4e32<\/section>\n<\/li>\n
    2. \n
      \u6784\u9020\u51fd\u6570\u8f6c\u6210 JSONObject<\/section>\n<\/li>\n
    3. \n
      \u6309\u952e\u53d6\u503c<\/section>\n<\/li>\n<\/ol>\n
      InputStream in = conn.getInputStream();\nString jsonStr = DataUtil.Stream2String(in);\n\nJSONObject jsonObject = new JSONObject(jsonStr);\n\nJSONObject json = jsonObject.getJSONObject(\"weatherinfo\");\nString city = json.getString(\"city\");\nString temp = json.getString(\"temp\");<\/code><\/pre>\n
      JSONArray<\/h3>\n
      http:\/\/192.168.1.101\/Web\/news.js<\/code> \u5185\u5bb9\u5982\u4e0b\uff08\u6ce8\u610f\uff1a\u6b63\u89c4 JSON \u952e\u540d\u5e94\u52a0\u53cc\u5f15\u53f7\uff0c\u8fd9\u91cc\u6309\u539f\u6587\u793a\u4f8b\uff09\uff1a<\/p>\n
      [\n {\n   title : \"\u56fd\u5bb6\u53d1\u6539\u59d4\uff1a\u53f0\u6e7e\u964d\u6cb9\u4ef7\u548c\u5927\u9646\u6ca1\u53ef\u6bd4\u6027\",\n   description : \"\u56fd\u5bb6\u53d1\u6539\u59d4\u526f\u4e3b\u4efb\u6731\u4e4b\u946b\",\n   image : \"http:\/\/192.168.1.101\/Web\/img\/a.jpg\",\n   comment : 163\n },\n {\n  title : \"\u56fd\u5bb6\u53d1\u6539\u59d4\uff1a\u53f0\u6e7e\u964d\u6cb9\u4ef7\u548c\u5927\u9646\u6ca1\u53ef\u6bd4\u6027\",\n  description : \"\u56fd\u5bb6\u53d1\u6539\u59d4\u526f\u4e3b\u4efb\u6731\u4e4b\u946b\",\n  image : \"http:\/\/192.168.1.101\/Web\/img\/b.jpg\",\n  comment : 0\n },\n {\n   title : \"\u56fd\u5bb6\u53d1\u6539\u59d4\uff1a\u53f0\u6e7e\u964d\u6cb9\u4ef7\u548c\u5927\u9646\u6ca1\u53ef\u6bd4\u6027\",\n   description : \"\u56fd\u5bb6\u53d1\u6539\u59d4\u526f\u4e3b\u4efb\u6731\u4e4b\u946b\",\n   image : \"http:\/\/192.168.1.101\/Web\/img\/c.jpg\",\n   comment : 0\n }\n]<\/code><\/pre>\n
      String jsonStr = DataUtil.Stream2String(in);\nJSONArray array = new JSONArray(jsonStr);\n\nfor (int i = 0; i < array.length(); i++) {\n   JSONObject obj = array.getJSONObject(i);\n   String title = obj.getString(\"title\");\n   String description = obj.getString(\"description\");\n}<\/code><\/pre>\n
      \u6ce8\u610f\uff1ajson \u6570\u7ec4\u5e76\u975e\u5168\u662f\u7531 json \u5bf9\u8c61\u7ec4\u6210\uff1b\u6bcf\u4e2a\u5143\u7d20\u6570\u636e\u7c7b\u578b\u53ef\u4ee5\u4e0d\u540c\u3002<\/p>\n
      \n
      \u4e09\u3001\u628a\u5bf9\u8c61\u751f\u6210 json \u5b57\u7b26\u4e32<\/span><\/h2>\n
      Logs.d(\"=========\u751f\u6210json\u6570\u7ec4\u5b57\u7b26\u4e32========================\");\nJSONObject j1 = new JSONObject();\nj1.put(\"userName\", \"\u5f20\u4e09\");\nj1.put(\"passWord\", \"123456\");\n\nJSONObject j2 = new JSONObject();\nj2.put(\"userName\", \"\u674e\u56db\");\nj2.put(\"passWord\", \"abcd\");\n\nJSONArray array = new JSONArray();\narray.put(0, j1);\narray.put(1, j2);\nLogs.v(array.toString());\n\nLogs.d(\"=========\u89e3\u6790json\u6570\u7ec4========================\");\nfor(int i = 0; i<array.length(); i++){\n    JSONObject jsonObject = array.getJSONObject(i);\n    String userName = jsonObject.getString(\"userName\");\n    String passWord = jsonObject.getString(\"passWord\");\n    Logs.v(\"userName :\"+userName+\", passWord :\"+passWord);\n}<\/code><\/pre>\n
      \n
      \u56db\u3001fastjson \u751f\u6210\u4e0e\u89e3\u6790<\/span><\/h2>\n
      Fastjson \u662f Java \u9ad8\u6027\u80fd JSON \u5e93\uff0cparse \u5f88\u5feb\uff0c\u652f\u6301 json.org \u6807\u51c6\uff0c\u4ee5\u53ca\u57fa\u672c\u7c7b\u578b\u3001JavaBean\u3001Collection\u3001Map\u3001Enum\u3001\u6cdb\u578b\uff1b\u53ef\u8dd1 JDK 5\/6\u3001Android\u3001\u963f\u91cc\u4e91\u624b\u673a\u3002\u5e38\u7528\u56db\u79cd\uff1aJavaBean\u3001List<JavaBean>\u3001List<String>\u3001List<Map<String,Object>>\u3002<\/p>\n
      \u751f\u6210\uff1a<\/p>\n
      String jsonString = JSON.toJSONString(object);<\/code><\/pre>\n
      \u89e3\u6790\uff1a<\/p>\n
      \/\/ 1. JavaBean\nPerson person = JSON.parseObject(jsonString, Person.class);\n\n\/\/ 2. List<JavaBean>\nList<Person> listPerson = JSON.parseArray(jsonString, Person.class);\n\n\/\/ 3. List<String>\nList<String> listString = JSON.parseArray(jsonString, String.class);\n\n\/\/ 4. List<Map<String,Object>><\/code><\/pre>\n
      \u53c2\u8003\uff1a JSON\u5b98\u7f51<\/a>\u3001FastJson<\/a><\/p>\n
      \n
      \u4e94\u3001Object References<\/span><\/h2>\n
      \u4e0b\u9762\u8fd9\u4efd JSON \u91cc\u6709\u4e24\u4f4d\u4f5c\u8005\u3001\u4e24\u672c\u4e66\u3002\u4e66\u901a\u8fc7 id \u5f15\u7528\u4f5c\u8005\uff0cauthors<\/code> \u5b57\u6bb5\u53ea\u5b58 id\uff0c\u800c\u4e0d\u662f\u5d4c\u5957\u6574\u4efd\u4f5c\u8005\u5bf9\u8c61\u3002\u8fd9\u5f88\u5e38\u89c1\uff1a\u7528 id \u5f15\u7528\u91cd\u590d\u5bf9\u8c61\uff0c\u7f29\u5c0f\u4f53\u79ef\u3002<\/p>\n
      {\n  'authors': [\n    {\n      'id': 1,\n      'name': 'Joshua Bloch'\n    },\n    {\n      'id': 2,\n      'name': 'Neal Gafter'\n    }\n  ],\n  'books': [\n    {\n      'title': 'Java Puzzlers: Traps, Pitfalls, and Corner Cases',\n      'isbn': '032133678X',\n      'authors':[1, 2]\n    },\n    {\n      'title': 'Effective Java (2nd Edition)',\n      'isbn': '0321356683',\n      'authors':[1]\n    }\n  ]\n}<\/code><\/pre>\n\n\n\n\n\n\n\n\n
      \u573a\u666f<\/th>\nAndroid \u505a\u6cd5<\/th>\n<\/tr>\n<\/thead>\n
      \u5bf9\u8c61<\/td>\nnew JSONObject(str)<\/code> + getString \/ getJSONObject<\/td>\n<\/tr>\n
      \u6570\u7ec4<\/td>\nnew JSONArray(str)<\/code> \u518d for + getJSONObject<\/td>\n<\/tr>\n
      \u751f\u6210<\/td>\nput<\/code> \u540e toString()<\/code><\/td>\n<\/tr>\n
      Bean \/ List<\/td>\nfastjson toJSONString<\/code> \/ parseObject<\/code> \/ parseArray<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
      \n
      \u4e00\u53e5\u8bdd\u603b\u7ed3\uff1aJSON \u5c31\u662f {} \u5bf9\u8c61\u548c [] \u6570\u7ec4\uff1bAndroid \u7528 JSONObject \/ JSONArray \u6309\u952e\u53d6\u503c\uff0cBean \u5217\u8868\u66f4\u7701\u4e8b\u65f6\u7528 fastjson \u7684 toJSONString \/ parseObject \/ parseArray\u3002<\/strong><\/p>\n<\/blockquote>\n<\/section>\n","protected":false},"excerpt":{"rendered":"
      JSON \u662f\u8f7b\u91cf\u7ea7\u6570\u636e\u4ea4\u6362\u683c\u5f0f\uff0c\u5b8c\u5168\u72ec\u7acb\u4e8e\u8bed\u8a00\u7684\u6587\u672c\uff0c\u4eba\u597d\u8bfb\u3001\u673a\u5668\u597d\u89e3\u6790\u3002\u652f\u6301 C\u3001C++\u3001C#\u3001Java\u3001J […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[8],"tags":[202],"_links":{"self":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/942"}],"collection":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=942"}],"version-history":[{"count":3,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/942\/revisions"}],"predecessor-version":[{"id":3237,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/942\/revisions\/3237"}],"wp:attachment":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=942"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=942"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=942"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}