注意weather那写入城市的拼音转化一下就行打开之后是XML格式的然后再提取
<?xml version="1.0" ?>
- <xml_api_reply version="1">
- <weather module_id="0" tab_id="0" mobile_row="0" mobile_zipped="1" row="0" section="0">
- <forecast_information>
<city data="beijing" />
<postal_code data="beijing" />
<latitude_e6 data="" />
<longitude_e6 data="" />
<forecast_date data="2009-06-16" />
<current_date_time data="2009-06-16 16:13:57 +0000" />
<unit_system data="SI" />
</forecast_information>
- <current_conditions>
<condition data="雾霾" />
<temp_f data="69" />
<temp_c data="21" />
<humidity data="湿度： 72%" />
<icon data="/ig/images/weather/haze.gif" />
<wind_condition data="风向： 东北、风速：6 (公里/小时）" />
</current_conditions>
- <forecast_conditions>
<day_of_week data="周二" />
<low data="16" />
<high data="21" />
<icon data="/ig/images/weather/chance_of_storm.gif" />
<condition data="可能有暴风雨" />
</forecast_conditions>
- <forecast_conditions>
<day_of_week data="周三" />
<low data="21" />
<high data="34" />
<icon data="/ig/images/weather/chance_of_rain.gif" />
<condition data="可能有雨" />
</forecast_conditions>
- <forecast_conditions>
<day_of_week data="周四" />
<low data="18" />
<high data="33" />
<icon data="/ig/images/weather/cn_heavyrain.gif" />
<condition data="雨" />
</forecast_conditions>
- <forecast_conditions>
<day_of_week data="周五" />
<low data="16" />
<high data="29" />
<icon data="/ig/images/weather/chance_of_rain.gif" />
<condition data="可能有雨" />
</forecast_conditions>
</weather>
</xml_api_reply>
1 package com.pmjava.util;
2
3 import java.io.BufferedReader;
4 import java.io.BufferedWriter;
5 import java.io.FileWriter;
6 import java.io.IOException;
7 import java.io.InputStream;
8 import java.io.InputStreamReader;
9 import java.net.MalformedURLException;
10 import java.net.URL;
11
12
13 import java.io.*;
14 import org.w3c.dom.*;
15 import javax.xml.parsers.*;
16
17 public class GetWeather {
18
19
20 public String getweather(String city)
21 {
22 try {
23 URL ur = new URL("http://www.google.com/ig/api?hl=zh_cn&weather="+city);
24 InputStream instr = ur.openStream();
25 String s, str;
26 BufferedReader in = new BufferedReader(new InputStreamReader(instr));
27 StringBuffer sb = new StringBuffer();
28
29 Writer out = new BufferedWriter(new OutputStreamWriter(new FileOutputStream("weather.txt"), "utf-8"));
30 while ((s = in.readLine()) != null) {
31 sb.append(s);
32 }
33 str = new String(sb);
34 out.write(str);
35 out.close();
36 in.close();
37
38
39 } catch (MalformedURLException e) {
40 e.printStackTrace();
41 } catch (IOException e) {
42 e.printStackTrace();
43 }
44 File f=new File("weather.txt");
45 DocumentBuilderFactory factory=DocumentBuilderFactory.newInstance();
46 String str=null;
47 try{
48 DocumentBuilder builder=factory.newDocumentBuilder();
49 Document doc = builder.parse(f);
50 NodeList nl = (NodeList) doc.getElementsByTagName("forecast_conditions");
51 NodeList n2=nl.item(0).getChildNodes();
52
53 str=n2.item(4).getAttributes().item(0).getNodeValue()+","+n2.item(1).getAttributes().item(0).getNodeValue()+"℃-"+n2.item(2).getAttributes().item(0).getNodeValue()+"℃";
54 }catch(Exception e)
55 {
56
57 }
58
59 return str;
60 }
61
62
63
64 }