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