先把代码复制上来，以后再做补充
1 package com.weather.test;
2
3 import java.io.InputStream;
4 import java.net.URL;
5 import java.net.URLConnection;
6
7 import javax.xml.parsers.DocumentBuilder;
8 import javax.xml.parsers.DocumentBuilderFactory;
9
10 import org.w3c.dom.Document;
11 import org.w3c.dom.NamedNodeMap;
12 import org.w3c.dom.Node;
13 import org.w3c.dom.NodeList;
14
15 public class Test {
16 // Application ID17 final String appid = "雅虎Application ID 需申请";
18
19 public String getWOEID(String name) throws Exception {
20 URL url = new URL("http://where.yahooapis.com/v1/places.q(" + name
21 + ")?appid=" + appid);
22 URLConnection connection = url.openConnection();
23 Document doc = stringToDOM(connection.getInputStream());
24 Node location = doc.getElementsByTagName("name").item(0);
25 Node node = doc.getElementsByTagName("woeid").item(0);
26 String woeid = node.getTextContent();
27 System.out.println(location.getTextContent() + " "
28 + node.getNodeName() + ":" + woeid);
29 return woeid;
30 }
31
32 public void getWeather(String woeid) {
33 try {
34 URL url = new URL("http://weather.yahooapis.com/forecastrss?u=c&w="
35 + woeid);
36 URLConnection connection = url.openConnection();
37 Document doc = stringToDOM(connection.getInputStream());
38 Node lat = doc.getElementsByTagName("geo:lat").item(0);
39 Node lon = doc.getElementsByTagName("geo:long").item(0);
40 System.out.println("纬度：" + lat.getTextContent() + " 经度："
41 + lon.getTextContent());
42 Node node = doc.getElementsByTagName("yweather:astronomy").item(0);
43 Node sunrise_node = node.getAttributes().item(0);
44 Node sunset_node = node.getAttributes().item(1);
45 System.out.println("今天天气情况：");
46 System.out.println("日出时间：" + sunrise_node.getNodeValue() + " "
47 + "日落时间：" + sunset_node.getTextContent());
48
49 NamedNodeMap today_map = doc
50 .getElementsByTagName("yweather:condition").item(0)
51 .getAttributes();
52 System.out.println("温度："
53 + today_map.getNamedItem("temp").getNodeValue() + "℃ "
54 + today_map.getNamedItem("text").getNodeValue()
55 + " 发布时间："
56 + today_map.getNamedItem("date").getNodeValue() + "
");
57
58 NodeList list = doc.getElementsByTagName("yweather:forecast");
59 System.out.println("未来五天天气情况：");
60 for (int i = 0; i < list.getLength(); i++) {
61 NamedNodeMap map = list.item(i).getAttributes();
62 System.out.println(map.getNamedItem("day").getNodeValue()
63 + " 最低气温：" + map.getNamedItem("low").getNodeValue()
64 + "℃" + " 高气温："
65 + map.getNamedItem("high").getNodeValue() + "℃" + " "
66 + map.getNamedItem("text").getNodeValue());
67 }69 } catch (Exception e) {
70 // TODO Auto-generated catch block71 e.printStackTrace();
72 }
73 }
74
75 public Document stringToDOM(InputStream input) {
76 try {
77 DocumentBuilder db = DocumentBuilderFactory.newInstance()
78 .newDocumentBuilder();
79 Document doc = db.parse(input);
80 return doc;
81 } catch (Exception e) {
82 // TODO Auto-generated catch block83 e.printStackTrace();
84 return null;
85 }
86 }
87
88 public static void main(String[] args) {
89 Test test = new Test();
90 try {
91 String woeid = test.getWOEID("meizhou");
92 test.getWeather(woeid);
93 System.out.println("From yahoo!");
94 } catch (Exception e) {
95 // TODO Auto-generated catch block96 e.printStackTrace();
97 }
98 }
99 }
网站题目：Java调用yahoo!API获取天气数据-创新互联
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