Java 调用天气Webservice详解及实例代码

package com.weather;import javax.xml.bind.annotation.XmlElement;import javax.xml.bind.annotation.XmlRootElement;@XmlRootElement(name="getWeatherbyCityName",namespace="http://WebXml.com.cn/")public class CityReq {  private String theCityName;  public String getTheCityName() {    return theCityName;  }  @XmlElement(name="theCityName",namespace="http://WebXml.com.cn/")  public void setTheCityName(String theCityName) {    this.theCityName = theCityName;  }  }

package com.weather;import java.io.InputStream;import java.io.OutputStream;import java.net.HttpURLConnection;import java.net.URL;import javax.xml.bind.JAXBContext;import javax.xml.bind.Marshaller;import javax.xml.parsers.DocumentBuilderFactory;import javax.xml.soap.MessageFactory;import javax.xml.soap.SOAPBody;import javax.xml.soap.SOAPConstants;import javax.xml.soap.SOAPEnvelope;import javax.xml.soap.SOAPMessage;import org.w3c.dom.Document;public class WeatherWebServiceTest {  public static void main(String[] args) {    // TODO Auto-generated method stub    weather();  }  static void weather(){    System.out.println("开始登陆...");    String wsdl="http://www.webxml.com.cn/WebServices/WeatherWebService.asmx?wsdl";    System.out.println("wsdl:"+wsdl);    HttpURLConnection urlconn=null;    InputStream ins=null;    OutputStream ous=null;    try {      URL u=new URL(wsdl);      urlconn=(HttpURLConnection)u.openConnection();      urlconn.setDoOutput(true);      urlconn.setRequestMethod("POST");      urlconn.setRequestProperty("Content-Type", "application/soap+xml; charset=utf-8");      //urlconn.setRequestProperty("Content-Type", "text/xml; charset=utf-8");            //发送数据      ous=urlconn.getOutputStream();                  Document document=DocumentBuilderFactory.newInstance().newDocumentBuilder().newDocument();      //编组      Marshaller marsh=JAXBContext.newInstance(CityReq.class).createMarshaller();      CityReq xmlf=new CityReq();      xmlf.setTheCityName("北京");      //JAXB.marshal(xmlf, new PrintWriter(System.out));      marsh.marshal(xmlf, document);      //创建soapmessage对象      SOAPMessage soapMessage=MessageFactory.newInstance(SOAPConstants.SOAP_1_2_PROTOCOL).createMessage();      SOAPBody soapBody=soapMessage.getSOAPBody();      soapBody.addDocument(document);      SOAPEnvelope soapEnvelope = soapMessage.getSOAPPart().getEnvelope();      soapEnvelope.removeNamespaceDeclaration("env");      soapEnvelope.addNamespaceDeclaration("soap12", "http://www.w3.org/2003/05/soap-envelope");      soapEnvelope.addNamespaceDeclaration("xsi", "http://www.w3.org/2001/XMLSchema-instance");      soapEnvelope.addNamespaceDeclaration("xsd", "http://www.w3.org/2001/XMLSchema");      soapEnvelope.setPrefix("soap12");      soapEnvelope.removeChild(soapEnvelope.getHeader());      soapBody.setPrefix("soap12");      //发送数据      soapMessage.writeTo(ous);      // soapMessage.writeTo(System.out);      System.out.println(urlconn.getResponseCode());      System.out.println(urlconn.getResponseMessage());      //接收数据      ins=urlconn.getInputStream();      //接收的数据需要解组?      StringBuffer respMsg=new StringBuffer();      byte[] bytes=new byte[1024*1024];      int a=-1;      while ((a=ins.read(bytes))!=-1) {        respMsg.append(new String(bytes,0,a));      }      System.out.println(respMsg.length());      System.out.println(respMsg);            //解组的方式     /* SOAPMessage responseMessage=MessageFactory.newInstance(SOAPConstants.SOAP_1_2_PROTOCOL).createMessage(null, ins);      Unmarshaller unmarsh=JAXBContext.newInstance(CityResp.class).createUnmarshaller();      JAXBElement<CityResp> reponse= unmarsh.unmarshal(responseMessage.getSOAPBody().extractContentAsDocument(), CityResp.class);      CityResp uresp= reponse.getValue();      System.out.println(uresp.getResult());*/            ous.close();      ins.close();      urlconn.disconnect();    } catch (Exception e) {      e.printStackTrace();    }finally{          }  }     }