使用URLConnection和axis1.4开发webservice教程

package edu.hue.client;import java.io.BufferedReader;import java.io.InputStream;import java.io.InputStreamReader;import java.io.OutputStream;import java.io.StringReader;import java.net.HttpURLConnection;import java.net.ProtocolException;import java.net.URL;import java.net.URLConnection;import java.util.List;import org.dom4j.Document;import org.dom4j.Element;import org.dom4j.io.SAXReader;public class XMLClient2 {public static void main(String[] args) {try {//创建url地址URL url = new URL("http://10.203.138.82:8080/test_axis3/services/sayHello?wsdl");//打开连接URLConnection conn = url.openConnection();//转换成HttpURLHttpURLConnection httpConn = (HttpURLConnection) conn;
                
                System.setProperty("sun.net.client.defaultConnectTimeout", "30000");
                System.setProperty("sun.net.client.defaultReadTimeout", "30000");                //打开输入输出的开关httpConn.setDoInput(true);
                httpConn.setDoOutput(true);//post提交不能有缓存httpConn.setUseCaches(false);                //设置请求方式httpConn.setRequestMethod("POST");                //设置请求的头信息httpConn.setRequestProperty("Content-type", "text/xml;charset=UTF-8");                //设置 SOAPAction Header  不然 报错 没有这个soapaction headerhttpConn.setRequestProperty("SOAPAction", "");                //拼接请求消息  这里的请求消息体 直接用接口测试工具 soapui 来获取  然后拼接以下 注意双引号这里要转义成\" String data = "<soapenv:Envelope xmlns:soapenv=" +
                        "\"http://schemas.xmlsoap.org/soap/envelope/\" " +
                        "xmlns:ser=\"http://server.hue.edu/\" " +
                        "xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" " +
                        "xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\">"//+"<soapenv:Header />"  +"<soapenv:Body>"
                            +"<ser:say soapenv:encodingStyle=\"http://schemas.xmlsoap.org/soap/encoding/\">"
                        +"<name xsi:type=\"soapenc:string\" xs:type=\"type:string\" xmlns:soapenc=\"http://schemas.xmlsoap.org/soap/encoding/\" xmlns:xs=\"http://www.w3.org/2000/XMLSchema-instance\">" 
                            +"小蚊子qq：513996980" //这里是直接在soapui中复制过来的所以它的请求消息体比较长 也可以用下面这种 注释的方式来拼接+"</name>"
                        +"</ser:say>"
                        +"</soapenv:Body>"
                      +"</soapenv:Envelope>";            
                 /*    下面这种请求消息体更为简单 经过测试也可以成功 它的方法名 参数名 都很简洁  
                  * 但是为了保险 希望大家在写请求消息体的时候用 接口测试工具去获取比如soapui 然后直接复制过来    
                      String data = "<soapenv:Envelope xmlns:soapenv=" +
                        "\"\" " +
                        "xmlns:ser=\"http://server.hue.edu/\" " +
                        "xmlns:xsd=\"\" " +
                        "xmlns:xsi=\"\">"
                        +"<soapenv:Header />"
                        +"<soapenv:Body>"
                        +"<ser:say >"
                            +"<name>小蚊子qq:513996980</name>"
                        +"</ser:say>"
                        +"</soapenv:Body>"
                      +"</soapenv:Envelope>";*/    
                                          //获得输出流OutputStream out = httpConn.getOutputStream();//发送数据  这里注意要带上编码utf-8  不然 不能传递中文参数过去out.write(data.getBytes("UTF-8"));//判断请求成功if(httpConn.getResponseCode() == 200){
                    System.out.println("调用成功.....");//获得输入流InputStream in = httpConn.getInputStream();//使用输入流的缓冲区BufferedReader reader = new BufferedReader(new InputStreamReader(in,"UTF-8"));
                    StringBuffer sb = new StringBuffer();
                    String line = null;//读取输入流while((line = reader.readLine()) != null){
                        sb.append(line);
                    }                    //创建sax的读取器  这里需要导入相应的jar包SAXReader saxReader = new SAXReader();//创建文档对象Document doc = saxReader.read(new StringReader(sb.toString()));//获得请求响应return元素   这里可根据接口测试工具查看你的相应消息体的返回值的节点是什么名称 我这里是sayReturnList eles = doc.selectNodes("//sayReturn");                    for(int i=0;i<eles.size();i++){
                        Element ele = (Element)eles.get(i);
                        System.out.println(ele.getText());
                    }
                    System.out.println(sb.toString());
            }else{
　　　　　　　　　　//调用不成功 打印错误的信息                //获得输入流InputStream err = httpConn.getErrorStream();//使用输入流的缓冲区BufferedReader reader = new BufferedReader(new InputStreamReader(err,"UTF-8"));
                StringBuffer sb = new StringBuffer();
                String line = null;//读取输入流while((line = reader.readLine()) != null){
                    sb.append(line);
                }
                System.out.println("返回错误码:"+httpConn.getResponseCode());
                System.out.println("返回的结果:"+sb.toString());
                    
            }
                } catch (Exception e) {
                    e.printStackTrace();
                }
}
}

// 但是为了保险 希望大家在写请求消息体的时候用 接口测试工具去获取比如soapui 然后直接复制过来      String data = "<soapenv:Envelope xmlns:soapenv=" +
                        "\"http://schemas.xmlsoap.org/soap/envelope/\" " +
                        "xmlns:ser=\"http://server.hue.edu/\" " +
                        "xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" " +
                        "xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\">"
                        +"<soapenv:Header />"
                        +"<soapenv:Body>"
                        +"<ser:say >"//比如这里要调用的方法没有参数 就直接不用写就好 但是这个消息体 应该还是要的    +"</ser:say>"
                        +"</soapenv:Body>"
                      +"</soapenv:Envelope>";