一个很简单的Java调用WSDL示例

来源：互联网发布：八周年纪念剃刀数据编辑：程序博客网时间：2024/05/17 23:30

一个很简单的WSDL调用，不使用框架，就是个很轻量级的Client,主要功能是检查QQ号是否在线。

import java.io.*;import java.net.*;import javax.xml.parsers.DocumentBuilder;import javax.xml.parsers.DocumentBuilderFactory;import org.w3c.dom.Document;public class HttpClientWS {    public static void main(String[] args) throws Exception {String soapRequestData = ""+ "<?xml version=\"1.0\" encoding=\"utf-8\"?>"+ "<soap:Envelope xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" xmlns:soap=\"http://www.w3.org/2003/05/soap-envelope\">"+ "  <soap:Body>"+ "   <qqCheckOnline xmlns=\"http://WebXml.com.cn/\">"+ "    <qqCode>396738007</qqCode>"+ "   </qqCheckOnline>" + "  </soap:Body>"+ "</soap:Envelope>";URL u = new URL("http://webservice.webxml.com.cn/webservices/qqOnlineWebService.asmx?wsdl");URLConnection uc = u.openConnection();uc.setDoOutput(true);uc.setRequestProperty("Content-Type","application/soap+xml; charset=utf-8");PrintWriter pw = new PrintWriter(uc.getOutputStream());pw.println(soapRequestData);pw.close();DocumentBuilderFactory bf = DocumentBuilderFactory.newInstance();DocumentBuilder db = bf.newDocumentBuilder();Document document = db.parse(uc.getInputStream());String res = document.getElementsByTagName("qqCheckOnlineResponse").item(0).getTextContent();System.out.println(res);}}