URL url=new URL("webservice地址");
URLConnection urlConnection=url.openConnection();
HttpURLConnection httpUrlConnection=(HttpURLConnection)urlConnection;
httpUrlConnection.setReadTimeout(100000);
httpUrlConnection.setDoOutput(true);
httpUrlConnection.setDoInput(true);
httpUrlConnection.setRequestMethod("POST");
httpUrlConnection.setRequestProperty("SOAPAction", "对应wsdl里SOAPAction");
httpUrlConnection.setRequestProperty("Content-Type", "text/xml;charset=utf-8");
httpUrlConnection.setUseCaches(true);
httpUrlConnection.connect();
OutputStream out=httpUrlConnection.getOutputStream();
out.write(0);
out.flush();
InputStream in=httpUrlConnection.getInputStream();
in.read();
httpUrlConnection.disconnect();