Android天气预报之基于HttpGet对象解析天气数据的方法

本文实例所述为Android 天气预报之解析天气数据的代码，可实现获取HttpGet对象读取天气网站天气数据，并从数据中解析出天气数据，比如温度、温度、风力、风向、未来几天天气趋势、当天天气状况、空气污染指数等信息，还包括了调用对应的图片或天气动画文件，对于开发android天气预报程序的可以参考本文实例。

具体功能代码如下：

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

231

232

233

234

235

236

237

238

239

240

241

242

243

244

245

246

247

248

249

250

251

252

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);

}

希望本文实例对大家Android 天气预报程序的开发能够起到一定的帮助作用。

Android天气预报之基于HttpGet对象解析天气数据的方法

相关文章

快网idc优惠网

相关文章

微信

快网idc优惠网

QQ交流群