通过代理apache http客户端发送请求

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 * Licensed to the Apache Software Foundation (ASF) under one

 * or more contributor license agreements.  See the NOTICE file

 * distributed with this work for additional information

 * regarding copyright ownership.  The ASF licenses this file

 * to you under the Apache License, Version 2.0 (the

 * "License"); you may not use this file except in compliance

 * with the License.  You may obtain a copy of the License at

 *

 *   http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing,

 * software distributed under the License is distributed on an

 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

 * KIND, either express or implied.  See the License for the

 * specific language governing permissions and limitations

 * under the License.

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 *

 * This software consists of voluntary contributions made by many

 * individuals on behalf of the Apache Software Foundation.  For more

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 * <http://www.apache.org/>.

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 */


package org.apache.http.examples.client;

/*
 from nowjava.com - 时  代  Java 
*/

import org.apache.http.HttpHost;

import org.apache.http.client.config.RequestConfig;

import org.apache.http.client.methods.CloseableHttpResponse;

import org.apache.http.client.methods.HttpGet;

import org.apache.http.impl.client.CloseableHttpClient;

import org.apache.http.impl.client.HttpClients;

import org.apache.http.util.EntityUtils;


/**

 * How to send a request via proxy.

 *

 * @since 4.0

 */

public class ClientExecuteProxy {
/* 来 自 N  o w  J a v a . c o m*/

    public static void main(String[] args) throws Exception {

        CloseableHttpClient httpclient = HttpClients.createDefault();

        try {

            HttpHost target = new HttpHost("localhost", 443, "https");

            HttpHost proxy = new HttpHost("127.0.0.1", 8080, "http");


            RequestConfig config = RequestConfig.custom().setProxy(proxy)

                    .build();

            HttpGet request = new HttpGet("/");

            request.setConfig(config);


            System.out.println("Executing request "

                    + request.getRequestLine() + " to " + target + " via "

                    + proxy);


            CloseableHttpResponse response =