HttpClient实现Http+xml接口调用
HttpClient示例
package web;

import java.io.File;
import java.io.FileInputStream;
import java.util.Map;

import javax.security.auth.login.LoginException;

import org.apache.commons.httpclient.DefaultHttpMethodRetryHandler;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpStatus;
import org.apache.commons.httpclient.NameValuePair;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.commons.httpclient.params.HttpMethodParams;

public class HttpClientTest
{

/** <一句话功能简述>
* <功能详细描述>
* @param args
* @see [类、类#方法、类#成员]
*/
public static void main(String[] args)
{
String checkTokenUrl="http://localhost:8888/test4A";//接口地址
HttpClient httpClient = null;
PostMethod postMethod = null;
try
{
httpClient = new HttpClient();
//设置超时时间
httpClient.getHttpConnectionManager().getParams().setConnectionTimeout(30000);
httpClient.getHttpConnectionManager().getParams().setSoTimeout(30000);
postMethod = new PostMethod(checkTokenUrl);

//组装xml报文
String xmlStr="";
//TODO

postMethod.setRequestBody(xmlStr);

//postMethod.setRequestBody(new NameValuePair[]{name});
// 设置成了默认的恢复策略，在发生异常时候将自动重试3次，在这里你也可以设置成自定义的恢复策略
postMethod.getParams().setParameter(HttpMethodParams.RETRY_HANDLER, new DefaultHttpMethodRetryHandler());

// 执行getMethod

int statusCode = httpClient.executeMethod(postMethod);

if (statusCode != HttpStatus.SC_OK)
{
System.err.println("Call 4A check token method failed: " + postMethod.getStatusLine());
}

String rsp = postMethod.getResponseBodyAsString();
System.out.println(rsp);

// 解析应答报文
//TODO

}
catch (Exception e)
{
e.printStackTrace();
}
finally
{
if (postMethod != null)
{
postMethod.releaseConnection();
}
}
}

}