json解析天气预报

虚拟机可以用,真机解析失败???

解析类:

package com.xunfang.demo_weather.test;import java.io.BufferedReader;import java.io.InputStreamReader;import java.net.HttpURLConnection;import java.net.URL;import java.util.ArrayList;import java.util.HashMap;import java.util.List;import java.util.Map;import org.json.JSONObject;import android.app.Activity;public class JSON extends Activity{public static List<Map<String, String>> getJsonpath(String path)throws Exception{List<Map<String, String>> list = new ArrayList<Map<String, String>>();String json = null;Map<String, String> map;URL url = new URL(path);HttpURLConnection cn = (HttpURLConnection) url.openConnection();cn.setConnectTimeout(5 * 1000);cn.setRequestMethod("GET");System.out.println("stream======="+cn.getInputStream());InputStreamReader in = new InputStreamReader(cn.getInputStream());System.out.println("in======" + in);// 流的应用与读取BufferedReader bu = new BufferedReader(in);String line = bu.readLine().toString();bu.close();in.close();// 把字符数组转换成字符串json = new String(line);// 这里是以对象的形式JSONObject item1 = new JSONObject(json);// 得到对象中的对象JSONObject item = item1.getJSONObject("weatherinfo");// System.out.println(path);// 获取对象中的每一个数值System.out.println(json);String name = item.getString("city");String id = item.getString("cityid");String temp = item.getString("temp");String fengxiang = item.getString("WD");String daxiao = item.getString("WS");String wet = item.getString("SD");String time = item.getString("time");String isreader = item.getString("isRadar");String Radar = item.getString("Radar");// 添加到MAP中map = new HashMap<String, String>();map.put("name", name);map.put("id", id);map.put("temp", temp);map.put("fengxiang", fengxiang);map.put("daxiao", daxiao);map.put("wet", wet);map.put("time", time);map.put("isReader", isreader);map.put("Rader", Radar);list.add(map);// 测试数据for (Map<String, String> list1 : list){System.out.println("测试数据...");System.out.println(list1.get("name"));System.out.println(list1.get("id"));System.out.println(list1.get("temp"));System.out.println(list1.get("fengxiang"));System.out.println(list1.get("daxiao"));}return list;}}

主activity:

package com.xunfang.demo_weather;import java.util.ArrayList;import java.util.List;import java.util.Map;import org.json.JSONException;import org.json.JSONObject;import org.json.JSONTokener;import android.app.Activity;import android.os.Bundle;import android.util.Log;import android.view.Menu;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.LinearLayout;import android.widget.TextView;import com.xunfang.demo_weather.test.JSON;/** * 解析天气预报 *  * @author smalt *  */public class MainActivity extends Activity {private Button btnShow;private TextView textView1, textView2, textView3, textView4;private LinearLayout layout;private String UrlApi = "http://toy.weather.com.cn/SearchBox/searchBox?callback=jsonp1342857491709&_=1342857620727&language=zh&keyword=guilin";private String Url01 = "http://www.weather.com.cn/data/sk/101010100.html";@Overridepublic void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);btnShow = (Button) findViewById(R.id.btn_get_value);// 布局框layout = (LinearLayout) findViewById(R.id.layout);textView1 = (TextView) findViewById(R.id.tv01);textView2 = (TextView) findViewById(R.id.tv02);textView3 = (TextView) findViewById(R.id.tv03);textView4 = (TextView) findViewById(R.id.tv04);btnShow.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v) {System.out.println("api===" + UrlApi);// 获取json数据try {/*********************************//*********************************/String path = "http://www.weather.com.cn/data/sk/101010100.html";/* * {"weatherinfo":{"city":"北京","cityid":"101010100","temp":"-10" * , * "WD":"东北风","WS":"1级","SD":"52%","WSE":"1","time":"22:40", * "isRadar":"1","Radar":"JC_RADAR_AZ9010_JB"}} */List<Map<String, String>> list = new ArrayList<Map<String, String>>();list = JSON.getJsonpath(path);for (Map<String, String> list1 : list) {System.out.println("打印数据...");System.out.println(list1.get("name"));System.out.println(list1.get("id"));System.out.println(list1.get("temp"));System.out.println(list1.get("fengxiang"));System.out.println(list1.get("daxiao"));System.out.println(list1.get("fengxiang"));textView1.setText("城市   :" + list1.get("name"));textView2.setText("风向   :" + list1.get("fengxiang"));textView3.setText(list1.get("temp"));textView4.setText(list1.get("daxiao"));// layout.addView(textView1);// layout.addView(textView2);// layout.addView(textView3);// layout.addView(textView4);}} catch (Exception e) {// TODO Auto-generated catch blocke.printStackTrace();System.out.println("获取失败!");Log.i("info", "获取失败!");}}});}// // 获取数据// public final static InputStream getStream(String args) {// InputStream stream = null;// DefaultHttpClient client = new DefaultHttpClient();// HttpGet get = new HttpGet(args);// try {// HttpResponse response = client.execute(get);// // 成功获取数据// if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {// HttpEntity entity = response.getEntity();// stream = entity.getContent();// }// return stream;// } catch (Exception e) {// e.printStackTrace();// return stream;// }//// }@Overridepublic boolean onCreateOptionsMenu(Menu menu) {getMenuInflater().inflate(R.menu.activity_main, menu);return true;}}