json数据解析

例：

json格式如下：{"response":{"data":[{"address":"南京市游乐园","province":"江苏","district":"玄武区","city":"南京"}]},"status":"ok"}
希望得到结果是： 江苏 南京 玄武区 南京市游乐园

答案：

JSONObject  dataJson=new JSONObject("你的Json数据“);JSONObject  response=dataJson.getJSONObject("response");JSONArray data=response.getJSONArray("data");JSONObject info=data.getJSONObject(0);String province=info.getString("province");String city=info.getString("city");String district=info.getString("district");String address=info.getString("address");System.out.println(province+city+district+address);

2.

json数据格式解析我自己分为两种；一种是普通的，一种是带有数组形式的； 普通形式的：服务器端返回的json数据格式如下：{"userbean":{"Uid":"100196","Showname":"\u75af\u72c2\u7684\u7334\u5b50","Avtar":null,"State":1}}分析代码如下：// TODO 状态处理 500 200                 int res = 0;                 res = httpClient.execute(httpPost).getStatusLine().getStatusCode();                 if (res == 200) {                     /*                      * 当返回码为200时，做处理                      * 得到服务器端返回json数据，并做处理                      * */                     HttpResponse httpResponse = httpClient.execute(httpPost);                     StringBuilder builder = new StringBuilder();                     BufferedReader bufferedReader2 = new BufferedReader(                             new InputStreamReader(httpResponse.getEntity().getContent()));                     String str2 = "";                     for (String s = bufferedReader2.readLine(); s != null; s = bufferedReader2                             .readLine()) {                         builder.append(s);                     }                     Log.i("cat", ">>>>>>" + builder.toString());JSONObject jsonObject = new JSONObject(builder.toString())                         .getJSONObject("userbean");                 String Uid;                 String Showname;                 String Avtar;                 String State;                 Uid = jsonObject.getString("Uid");                 Showname = jsonObject.getString("Showname");                 Avtar = jsonObject.getString("Avtar");                 State = jsonObject.getString("State");带数组形式的：服务器端返回的数据格式为：{"calendar":     {"calendarlist":             [             {"calendar_id":"1705","title":"(\u4eb2\u5b50)ddssd","category_name":"\u9ed8\u8ba4\u5206\u7c7b","showtime":"1288927800","endshowtime":"1288931400","allDay":false},            {"calendar_id":"1706","title":"(\u65c5\u884c)","category_name":"\u9ed8\u8ba4\u5206\u7c7b","showtime":"1288933200","endshowtime":"1288936800","allDay":false}            ]     } }分析代码如下：// TODO 状态处理 500 200                 int res = 0;                 res = httpClient.execute(httpPost).getStatusLine().getStatusCode();                 if (res == 200) {                     /*                      * 当返回码为200时，做处理                      * 得到服务器端返回json数据，并做处理                      * */                     HttpResponse httpResponse = httpClient.execute(httpPost);                     StringBuilder builder = new StringBuilder();                     BufferedReader bufferedReader2 = new BufferedReader(                             new InputStreamReader(httpResponse.getEntity().getContent()));                     String str2 = "";                     for (String s = bufferedReader2.readLine(); s != null; s = bufferedReader2                             .readLine()) {                         builder.append(s);                     }                     Log.i("cat", ">>>>>>" + builder.toString());                     /**                      * 这里需要分析服务器回传的json格式数据，                      */                     JSONObject jsonObject = new JSONObject(builder.toString())                             .getJSONObject("calendar");                     JSONArray jsonArray = jsonObject.getJSONArray("calendarlist");                     for(int i=0;i<jsonArray.length();i++){                         JSONObject jsonObject2 = (JSONObject)jsonArray.opt(i);                         CalendarInfo calendarInfo = new CalendarInfo();                         calendarInfo.setCalendar_id(jsonObject2.getString("calendar_id"));                         calendarInfo.setTitle(jsonObject2.getString("title"));                         calendarInfo.setCategory_name(jsonObject2.getString("category_name"));                         calendarInfo.setShowtime(jsonObject2.getString("showtime"));                         calendarInfo.setEndtime(jsonObject2.getString("endshowtime"));                         calendarInfo.setAllDay(jsonObject2.getBoolean("allDay"));                         calendarInfos.add(calendarInfo);                     }

总结，普通形式的只需ad0b用JSONObject ，带数组形式的需要使用JSONArray 将其变成一个list。转：http://www.cnblogs.com/tt_mc/archive/2011/01/04/1925327.html