httpclient 入门1

package com;import org.apache.http.HttpEntity;import org.apache.http.HttpResponse;import org.apache.http.client.HttpClient;import org.apache.http.client.methods.HttpGet;import org.apache.http.impl.client.DefaultHttpClient;import org.apache.http.util.EntityUtils;public class Test {public static void main(String args[]) throws Exception, Exception{HttpClient httpclient = new DefaultHttpClient();HttpGet httpget=new HttpGet("http://172.20.32.60:8080/tom/");HttpResponse response= httpclient.execute(httpget);HttpEntity entity =response.getEntity();if(entity !=null){long len = entity.getContentLength();if (len != -1 && len < 2048) {System.out.println(EntityUtils.toString(entity));} else {// Stream content out}}}}