webservice应用之查看天气预报

import java.io.IOException;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import java.net.InetSocketAddress;
import java.net.MalformedURLException;
import java.net.Proxy;
import java.net.URL;
import java.net.URLConnection;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;

import org.w3c.dom.DOMException;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;

import com.iebc.utils.DateUtils;

/**
 * 
 * 
 */
public class WeatherService {

    
    private static String SERVICES_HOST = "www.webxml.com.cn"; 
    
    private static String WEATHER_SERVICES_URL = "http://webservice.webxml.com.cn/WebServices/WeatherWS.asmx/"; 
   
    private static String WEATHER_QUERY_URL ="http://webservice.webxml.com.cn/WebServices/WeatherWS.asmx/getWeather?theUserID=&theCityCode="; 
    
   
    /** 
     * 城市代码 / 北京昌平
     */ 
    private static int CITICODE = 785; 
   
    public static void main(String[] args) throws Exception { 
      String desc = "今天是" + DateUtils.getWeekOfDate(new Date()) + " " + DateUtils.getYear()+ " "; 
      desc += new WeatherService().getWeatherStr(); 
      System.out.println(desc); 
    } 
   
    public InputStream getSoapInputStream(String url) { 
      InputStream inputStream = null;
      Proxy proxy;
      try { 
        URL urlObj = new URL(url);
        //如果你的网络设置代理的话
        String proxyAddress = "代理ip";
        int proxyPort;//代理端口
        proxy = new Proxy(Proxy.Type.HTTP,new InetSocketAddress(proxyAddress , 80));
        URLConnection urlConn = urlObj.openConnection(proxy); 
        urlConn.setConnectTimeout(50000);
        urlConn.setRequestProperty("Host", SERVICES_HOST); //具体webService相关 
        urlConn.connect(); 
        inputStream = urlConn.getInputStream(); 
      } catch(MalformedURLException e) { 
        e.printStackTrace(); 
      } catch(IOException e) { 
        e.printStackTrace(); 
      } 
      return inputStream; 
    } 
   
    public String getWeatherStr() { 
      String desc = ""; 
      try { 
        List<String> weatherList = getWeather(CITICODE); 
   
        if(weatherList != null && weatherList.size() > 7) { 
          String tianqi = weatherList.get(7); 
          if(tianqi.contains("日")) { 
            tianqi = tianqi.substring(tianqi.indexOf("日") + 1); 
          } 
          String wendu = weatherList.get(8); 
          desc += "天气" + tianqi; 
          desc += " ,"; 
          desc += wendu.replace("℃", "度").replace("/", "-"); 
        } 
      } catch(Exception e) { 
        e.printStackTrace(); 
        return desc; 
      } 
      return desc; 
    } 
   
    public List<String> getWeather(int cityCode) { 
      List<String> weatherList = new ArrayList<String>(); 
      Document document; 
      DocumentBuilderFactory documentBF = DocumentBuilderFactory.newInstance(); 
      documentBF.setNamespaceAware(true); 
      try { 
        DocumentBuilder documentB = documentBF.newDocumentBuilder(); 
        System.out.println(WEATHER_QUERY_URL + cityCode);
        InputStream inputStream = getSoapInputStream(WEATHER_QUERY_URL + cityCode); 
        document = documentB.parse(inputStream); 
        NodeList nl = document.getElementsByTagName("string"); 
        int len = nl.getLength(); 
        for(int i = 0; i < len; i++) { 
          Node n = nl.item(i); 
          String weather = n.getFirstChild().getNodeValue(); 
          weatherList.add(weather); 
        } 
        inputStream.close(); 
      } catch(UnsupportedEncodingException e) { 
        e.printStackTrace(); 
      } catch(DOMException e) { 
        e.printStackTrace(); 
      } catch(ParserConfigurationException e) { 
        e.printStackTrace(); 
      } catch(SAXException e) { 
        e.printStackTrace(); 
      } catch(IOException e) { 
        e.printStackTrace(); 
      } 
      return weatherList; 
    } 
}

 

http://webservice.webxml.com.cn/WebServices/WeatherWS.asmx