发送xml的http请求并返回xml消息体
public class SendAndGetXml

{

public static void main(String[] args) throws Exception
{
String rqestXml = "";
String urls="";

try
{
String appserverIp = "10.166.46.182";
String appserverPort = "8080";
//发送xml消息体
rqestXml = "<?xml version=\"1.0\" encoding=\"UTF-8\" ?><root><ucAccount>"
+ "zkf48267"
+ "</ucAccount>"
+ "<passWord>"
+ "zkf48267"
+ "</passWord></root>";
// 访问远程接接口
urls = "http://" + appserverIp + ":" + appserverPort
+ "/ICBCCattestationM/validate";

System.out.println(rqestXml);
System.out.println(urls);

}

catch (Exception e)
{
throw new Exception();
}
//使用HttpURLConnection发送http请求
byte[] xmlbyte = rqestXml.getBytes("UTF-8");
URL url = new URL(urls);
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setConnectTimeout(5* 1000);
conn.setDoOutput(true);//允许输出
conn.setUseCaches(false);//不使用Cache
conn.setRequestMethod("POST");
conn.setRequestProperty("Connection","Keep-Alive");//维持长连接
conn.setRequestProperty("Charset","UTF-8");
conn.setRequestProperty("Content-Length",String.valueOf(xmlbyte.length));
conn.setRequestProperty("Content-Type","text/xml; charset=UTF-8");
DataOutputStream outStream = new DataOutputStream(conn.getOutputStream());
outStream.write(xmlbyte);//发送xml数据
outStream.flush();
outStream.close();

//解析返回来的xml消息体
byte[] msgBody = null;
if (conn.getResponseCode() != 200) throw new RuntimeException("请求url失败");
InputStream is = conn.getInputStream();//获取返回数据

byte[] temp = new byte[1024];
int n = 0;
ByteArrayOutputStream bos = new ByteArrayOutputStream();
while ((n = is.read(temp)) != -1)
{
bos.write(temp,n);
}
msgBody = bos.toByteArray();
bos.close();
is.close();
String returnXml= new String(msgBody,"UTF-8").trim();

conn.disconnect(); // 以下下游解析XML System.out.println(returnXml); } }