httpclient【简单例子】

/**
 * @author NECSTHZ.zhaojianming 
 * @Modification{#} TestHttp.java Create on 2009/02/16 20:21:59   
 * @version 1.0
 * @JDK version used: jdk1.6
 * @Copyright (c) 2008 by NECSTHZ   
 */ 
package http.test;

import java.io.IOException;

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

/**
 * @Description:TestHttp.java  
 * @author NECSTHZ.zhaojianming   
 */

public class TestHttp {

 /**
  * @method main
  * @param args
  * @author zhaojianming
  */
 public static void main(String[] args) {
  // TODO Auto-generated method stub
  HttpClient httpClient = new HttpClient();
//  GetMethod getMethod = new GetMethod("http://172.28.140.113:8080/");
  
  //设置代理
  httpClient.getHostConfiguration().setProxy("172.28.138.13",8080);
  GetMethod getMethod = new GetMethod("http://www.163.com");
  getMethod.getParams().setParameter(HttpMethodParams.RETRY_HANDLER, new DefaultHttpMethodRetryHandler());
  try {
   int statusCode = httpClient.executeMethod(getMethod);
   System.out.println(statusCode);
   if(statusCode!=HttpStatus.SC_OK){
    System.out.println("Method failed:"+getMethod.getStatusLine());
    byte[] responseBody = getMethod.getResponseBody();
    System.out.println(new String(responseBody)); 
    System.out.println(getMethod.getPath());
    System.out.println(getMethod.getFollowRedirects());
    System.out.println(getMethod.getResponseContentLength());
    System.out.println(getMethod.getParams());
    System.out.println(getMethod.getURI());
    System.out.println(getMethod.getResponseHeaders());
    }
  } catch (HttpException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  } catch (IOException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  }finally{
   getMethod.releaseConnection();
  }
 

 }

}