java 通过代理连接天气预报服务.docx

import java.io.IOException;import java.io.InputStream;import java.io.UnsupportedEncodingException;import .InetSocketAddress;import .MalformedURLException;import .Proxy;import .URL;import .URLConnection;import java.util.ArrayList;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;public class weatherReport private static String SERVICES_HOST = ; private static String WEATHER_SERVICES_URL = /WebServices/WeatherWS.asmx/; private static String PROVINCE_CODE_URL = WEATHER_SERVICES_URL + getRegionProvince; private static String CITY_CODE_URL = WEATHER_SERVICES_URL + getSupportCityString?theRegionCode=; private static String WEATHER_QUERY_URL = WEATHER_SERVICES_URL + getWeather?theUserID=&theCityCode=; private weatherReport() public static void main(String args) throws Exception int provinceCode = getProvinceCode(河南); /3119 int cityCode = getCityCode(provinceCode, 郑州); /974 List weatherList = getWeather(cityCode); for(String weather:weatherList) System.out.println(weather); public static int getProvinceCode(String provinceName) Document document; DocumentBuilderFactory documentBF = DocumentBuilderFactory.newInstance(); documentBF.setNamespaceAware(true); int provinceCode = 0; try DocumentBuilder documentB = documentBF.newDocumentBuilder(); InputStream inputStream = getSoapInputStream(PROVINCE_CODE_URL); /具体webService相关 document = documentB.parse(inputStream); NodeList nodeList = document.getElementsByTagName(string); /具体webService相关 int len = nodeList.getLength(); for(int i = 0; i len; i+) Node n = nodeList.item(i); String result = n.getFirstChild().getNodeValue(); String address = result.split(,); String pName = address0; String pCode = address1; if(pName.equalsIgnoreCase(provinceName) provinceCode = Integer.parseInt(pCode); inputStream.close(); catch(DOMException e) e.printStackTrace(); catch(ParserConfigurationException e) e.printStackTrace(); catch (SAXException e) e.printStackTrace(); catch(IOException e) e.printStackTrace(); return provinceCode; public static int getCityCode(int provinceCode, String cityName) Document doc; DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance(); dbf.setNamespaceAware(true); int cityCode = 0; try DocumentBuilder db = dbf.newDocumentBuilder(); InputStream is = getSoapInputStream(CITY_CODE_URL + provinceCode); /具体webService相关 doc = db.parse(is); NodeList nl = doc.getElementsByTagName(string); /具体webService相关 int len = nl.getLength(); for(int i = 0; i len; i+) Node n = nl.item(i); String result = n.getFirstChild().getNodeValue(); String address = result.split(,); String cName = address0; String cCode = address1; if(cName.equalsIgnoreCase(cityName) cityCode = Integer.parseInt(cCode); is.close(); catch(DOMException e) e.printStackTrace(); catch(ParserConfigurationException e) e.printStackTrace(); catch (SAXException e) e.printStackTrace(); catch(IOException e) e.printStackTrace(); return cityCode; public static InputStream getSoapInputStream(String url) InputStream inputStream = null; try URL urlObj = new URL(url); Proxy proxy = new Proxy(Proxy.Type.HTTP,new InetSocketAddress(06,8080) );/通过代理连接 URLConnection urlConn = urlObj.openConnection(proxy); 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 static List getWeather(int cityCode) List weatherList = new ArrayList(); Document document; DocumentBuilderFactory documentBF = DocumentBuilderFactory.newInstance(); documentBF.setNamespaceAware(true); try DocumentBuilder documentB = documentBF.newDocumentBuilder(); 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