Android 开发工具类 14_ JsonTools

天气 JSON 数据解析

 package com.example.weather_json.tools;

 import java.util.ArrayList;
 import java.util.List;

 import org.json.JSONArray;
 import org.json.JSONException;
 import org.json.JSONObject;

 import com.example.weather_json.Entity.Results;
 import com.example.weather_json.Entity.WeatherData;
 import com.example.weather_json.Entity.WeatherInfo;

 public class JsonTools {
     public static WeatherInfo MyGetJSON(String jsonString) throws JSONException {
         List<Results> listResults = null;
         List<WeatherData> listDatas = null;
         Results results = null;
         WeatherData weatherData = null;
         WeatherInfo weatherInfo = null;
         JSONObject jsonObject = new JSONObject(jsonString);

         // 解析WeatherInfo对象
         weatherInfo = new WeatherInfo();
         weatherInfo.setError(jsonObject.getString("error"));
         weatherInfo.setStatus(jsonObject.getString("status"));
         weatherInfo.setDate(jsonObject.getString("date"));
         // 解析Results对象
         listResults = new ArrayList<Results>();
         JSONArray jsonResArray = jsonObject.getJSONArray("results");
         for (int i = 0; i < jsonResArray.length(); i++) {
             results = new Results();
             JSONObject temp = (JSONObject) jsonResArray.opt(i);
             results.setCurrentCity(temp.getString("currentCity"));

             // 解析WeatherData对象数组
             JSONArray jsonArray = temp.getJSONArray("weather_data");
             listDatas = new ArrayList<WeatherData>();
             for (int i1 = 0; i1 < jsonArray.length(); i1++) {
                 weatherData = new WeatherData();
                 JSONObject temp1 = (JSONObject) jsonArray.opt(i1);
                 weatherData.setDate(temp1.getString("date"));
                 weatherData.setDayPictureUrl(temp1.getString("dayPictureUrl"));
                 weatherData.setNightPictureUrl(temp1
                         .getString("nightPictureUrl"));
                 weatherData.setWeather(temp1.getString("weather"));
                 weatherData.setWind(temp1.getString("wind"));
                 weatherData.setTemperature(temp1.getString("temperature"));
                 listDatas.add(weatherData);
                 weatherData = null;
             }
             results.setList(listDatas);
             listResults.add(results);
             results = null;
         }
         weatherInfo.setList(listResults);
         return weatherInfo;
     }
 }

json 对象

 {
     "error": 0,
     "status": "success",
     "date": "2014-04-28",
     "results": [
         {
             "currentCity": "合肥",
             "weather_data": [
                 {
                     "date": "周一(今天, 实时：22℃)",
                     "dayPictureUrl": "www.baidu.com",
                     "nightPictureUrl": "www.baidu.com",
                     "weather": "多云转晴",
                     "wind": "西北风微风",
                     "temperature": "22 ~ 13℃"
                 },
                 {
                     "date": "周二",
                     "dayPictureUrl": "www.baidu.com",
                     "nightPictureUrl": "1www.baidu.com",
                     "weather": "多云",
                     "wind": "西北风微风",
                     "temperature": "24 ~ 14℃"
                 },
                 {
                     "date": "周三",
                     "dayPictureUrl": "www.baidu.com",
                     "nightPictureUrl": "www.baidu.com",
                     "weather": "多云转晴",
                     "wind": "南风微风",
                     "temperature": "26 ~ 14℃"
                 },
                 {
                     "date": "周四",
                     "dayPictureUrl": "www.baidu.com",
                     "nightPictureUrl": "www.baidu.com",
                     "weather": "晴",
                     "wind": "东南风微风",
                     "temperature": "27 ~ 13℃"
                 }
             ]
         }
     ]
 }

【参考文献】

http://blog.csdn.net/u010794950/article/details/24650421