JAVA使用apache http组件发送POST请求

package com.newflypig.demo;

/**
 * 使用apache http组件提供的HttpClient向URL发送POST请求
 * 参数使用键值对传递
 */

import java.util.ArrayList;
import java.util.List;

import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;


public class SendPostDemo2 {

	public static void main(String[] args) throws Exception{
		HttpClient client=HttpClients.createDefault();
		HttpPost post=new HttpPost("http://localhost:8080/Test1/HelloWorld");
		
		List<NameValuePair> parameters=new ArrayList<NameValuePair>();
		parameters.add(new BasicNameValuePair("name", "丁丁"));
		post.setEntity(new UrlEncodedFormEntity(parameters,"UTF-8"));
		
		HttpResponse response=client.execute(post);
		System.out.println(EntityUtils.toString(response.getEntity()));
	}
}