Android天气预报之基于HttpGet对象解析天气数据的方法

import java.io.IOException;import java.text.SimpleDateFormat;import java.util.ArrayList;import java.util.List;import java.util.Locale;import net.tsz.afinal.FinalHttp;import net.tsz.afinal.http.AjaxCallBack;import org.apache.http.HttpResponse;import org.apache.http.HttpStatus;import org.apache.http.client.ClientProtocolException;import org.apache.http.client.HttpClient;import org.apache.http.client.methods.HttpGet;import org.apache.http.impl.client.DefaultHttpClient;import org.apache.http.util.EntityUtils;import org.json.JSONException;import org.json.JSONObject;import org.lmw.weather.MyApp;import org.lmw.weather.entity.WeatherEntity;import android.app.Activity;import android.os.Handler;import android.os.Message;/** * 解析天气数据 * @author Dave */public class WeatherData { private Activity activity; private FinalHttp fh; public static String def_weather_key="def_weather"; public WeatherData(Activity activity) { this.activity = activity; fh = new FinalHttp(); fh.configTimeout(1000 * 3); } public void getData(final String cityId,final Handler hd) { StringBuffer sb_url = new StringBuffer(); sb_url.append("http://0.qnweather.duapp.com/weather.php?uri="); sb_url.append("http://m.weather.com.cn/data/"); sb_url.append(cityId); sb_url.append(".html"); final Message msg=new Message(); fh.get(sb_url.toString(), new AjaxCallBack() {  @Override  public void onSuccess(Object t) {  super.onSuccess(t);  MySharedPreferences.writeMessage(activity, "def_weather",t.toString());  msg.what=0;  msg.obj=parseJson(t.toString());  hd.sendMessage(msg);  }  @Override  public void onFailure(Throwable t, int errorNo, String strMsg) {  super.onFailure(t, errorNo, strMsg);  System.out.println("-------errorNo---------"+errorNo);  msg.what=-1;  msg.arg1=errorNo;  msg.obj=MySharedPreferences.readMessage(activity, def_weather_key, "");  hd.sendMessage(msg);  } }); } private String connServerForResult(String strUrl) { // 获取HttpGet对象 HttpGet httpRequest = new HttpGet(strUrl); String strResult = ""; try {  // HttpClient对象  HttpClient httpClient = new DefaultHttpClient();  // 获得HttpResponse对象  HttpResponse httpResponse = httpClient.execute(httpRequest);  if (httpResponse.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {  // 取得返回的数据  strResult = EntityUtils.toString(httpResponse.getEntity());  } } catch (ClientProtocolException e) {  e.printStackTrace(); } catch (IOException e) {  e.printStackTrace(); } catch (Exception e) {  e.printStackTrace(); } System.out.println("rresult" + strResult); return strResult; // 返回结果 } // 数据解析 private WeatherEntity parseJson(String strResult) { WeatherEntity weather = null; try {  JSONObject jsonObj = new JSONObject(strResult.replace("℃", "°"))   .getJSONObject("weatherinfo");  weather = new WeatherEntity();  int ftime = jsonObj.getInt("fchh"); // 更新时间（整点）【更新时间确定temp属于哪天】  int temp = 0; // 偏移  if (ftime >= 18 || ftime < 8) {  weather.setNight(true);  temp = 1;  }  MyApp.week = jsonObj.getString("week");// 今天星期几  weather.setCity(jsonObj.getString("city")); // 城市  weather.setComfortable(jsonObj.getString("index")); // 舒适度  weather.setRefreshDate(getDate()); // 更新日期  weather.setRefreshTime(getTime()); // 更新时间  weather.setRefreshWeek(getWeek()); // 更新星期  weather.setPicIndex(jsonObj.getInt("img1")); // 当天天气图片编号  List<Integer> topPic = new ArrayList<Integer>(); // 最高温时的图片编号  if (temp == 1) {  topPic.add(getSavePic(activity));  } else {  topPic.add(getJsonPic(jsonObj, "img", 1 + temp));  savePic(activity, topPic.get(0));  }  topPic.add(getJsonPic(jsonObj, "img", 3 - temp));  topPic.add(getJsonPic(jsonObj, "img", 5 - temp));  topPic.add(getJsonPic(jsonObj, "img", 7 - temp));  weather.setTopPic(topPic);  List<Integer> lowPic = new ArrayList<Integer>(); // 最低温时的图片编号  lowPic.add(getJsonPic(jsonObj, "img", 2 - temp));  lowPic.add(getJsonPic(jsonObj, "img", 4 - temp));  lowPic.add(getJsonPic(jsonObj, "img", 6 - temp));  lowPic.add(getJsonPic(jsonObj, "img", 8 - temp));  weather.setLowPic(lowPic);  // ---------------------------以上为获取图片编号，暂且不管----------------------------------------------------------------------  List<String> tempList = new ArrayList<String>(); // 未来五天温度（第一个是今天）  tempList.add(jsonObj.getString("temp1"));  tempList.add(jsonObj.getString("temp2"));  tempList.add(jsonObj.getString("temp3"));  tempList.add(jsonObj.getString("temp4"));  tempList.add(jsonObj.getString("temp5"));  tempList.add(jsonObj.getString("temp6"));  MyApp.tempList.clear();  MyApp.tempList = tempList;  List<String> weatherList = new ArrayList<String>();// 未来五天天气（第一个是今天）  weatherList.add(jsonObj.getString("weather1"));  weatherList.add(jsonObj.getString("weather2"));  weatherList.add(jsonObj.getString("weather3"));  weatherList.add(jsonObj.getString("weather4"));  weatherList.add(jsonObj.getString("weather5"));  weatherList.add(jsonObj.getString("weather6"));  MyApp.weatherList.clear();  MyApp.weatherList = weatherList;  List<String> tempListMax = new ArrayList<String>(); // 未来五天最高温度集合（有°符号）  if (temp == 1) {  tempListMax.add(getSaveTemperature(activity));  } else {  tempListMax   .add(getTemperatureMaxAndMin(tempList.get(0))[0 + temp]);  saveTemperature(activity, tempListMax.get(0));  }  tempListMax   .add(getTemperatureMaxAndMin(tempList.get(1 - temp))[0 + temp]);  tempListMax   .add(getTemperatureMaxAndMin(tempList.get(2 - temp))[0 + temp]);  tempListMax   .add(getTemperatureMaxAndMin(tempList.get(3 - temp))[0 + temp]);  weather.setTemperatureMax(tempListMax);  weather.setTodayTemperature(getTemperatureMaxAndMin(tempList.get(0))[0]); // 当天温度（实时）  weather.setTodayWeather(jsonObj.getString("img_title1")); // 当天天气描述（实时）  List<String> tempListMin = new ArrayList<String>(); // 未来四天最低温度集合（有°符号）  tempListMin.add(getTemperatureMaxAndMin(tempList.get(0))[1 - temp]);  tempListMin.add(getTemperatureMaxAndMin(tempList.get(1))[1 - temp]);  tempListMin.add(getTemperatureMaxAndMin(tempList.get(2))[1 - temp]);  tempListMin.add(getTemperatureMaxAndMin(tempList.get(3))[1 - temp]);  weather.setTemperatureMin(tempListMin);  weather.setTomorrowTemperature(tempList.get(1)); // 明天温度（包括最高温和最低温）  if (temp == 1) {  weatherList.add(getSaveWeather(activity));  } else {  weatherList.add(jsonObj.getString("weather" + 1));  saveWeather(activity, weatherList.get(0));  }  weatherList.add(jsonObj.getString("weather" + (2 - temp)));  weatherList.add(jsonObj.getString("weather" + (3 - temp)));  weatherList.add(jsonObj.getString("weather" + (4 - temp)));  weather.setWeather(weatherList);  weather.setTomorrowWeather(weatherList.get(1));  List<String> windList = new ArrayList<String>(); // 未来四天风力  windList.add(jsonObj.getString("wind1"));  windList.add(jsonObj.getString("wind2"));  windList.add(jsonObj.getString("wind3"));  windList.add(jsonObj.getString("wind4"));  weather.setWind(windList);  weather.setMaxlist(transplate(tempListMax)); // 未来四天最高温度集合（无°符号）  weather.setMinlist(transplate(tempListMin)); // 未来四天最低温度集合（无°符号） } catch (JSONException e) {  e.printStackTrace(); } return weather; } // 获取更新日期 并转换为（X月X日 周X） private String getDate() { SimpleDateFormat sdf = new SimpleDateFormat("MM月dd日 EEE", Locale.CHINA); String date = sdf.format(new java.util.Date()); System.out.println(date); return date; } // 获取更新时间 并转换为 （小时：分钟 更新） private String getTime() { SimpleDateFormat sdf = new SimpleDateFormat("HH:mm", Locale.CHINA); String time = sdf.format(new java.util.Date()) + " " + "更新"; System.out.println(time); return time; } private String getWeek() { return null; } // 获取最高温度和最低温度，有°符号 private String[] getTemperatureMaxAndMin(String str) { return str.split("~"); } // 去除最高温度和最低温度里的°符号 private List<Integer> transplate(List<String> strList) { List<Integer> intList = new ArrayList<Integer>(); for (String temp : strList) {  intList.add(Integer.valueOf(temp.split("°")[0])); } return intList; } // 获取图片编号 例如"img" + "1" private int getJsonPic(JSONObject jsonObj, String str, int index)  throws JSONException { int result = jsonObj.getInt(str + index); if (result == 99 && index > 1) {  index--;  result = jsonObj.getInt(str + index); } return result; } private void saveTemperature(Activity activity, String value) { // MySharedPreferences mp = new MySharedPreferences(activity); // mp.writeMessage("temperature", value); } // 保存的温度 private String getSaveTemperature(Activity activity) { return MySharedPreferences.readMessage(activity,"temperature", "100"); } private void saveWeather(Activity activity, String value) { // MySharedPreferences mp = new MySharedPreferences(activity); // mp.writeMessage("weather", value); } // 保存的天气 private String getSaveWeather(Activity activity) { return MySharedPreferences.readMessage(activity,"weather", ""); } private void savePic(Activity activity, int value) { // MySharedPreferences mp = new MySharedPreferences(activity); // mp.writeMessage("pic", value); } // 保存的天气图片编号 private int getSavePic(Activity activity) { return MySharedPreferences.readMessage(activity,"pic", 99); }}