考虑到公司的学习， 这里主要对一些HttpClient的基本功能实现封装， 封装成自己的API，供后续应用进行调用。
这里面会采用回帖的方式进行更新。
处理Entity的实例
/* * ==================================================================== * 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. * ==================================================================== * * This software consists of voluntary contributions made by many * individuals on behalf of the Apache Software Foundation. For more * information on the Apache Software Foundation, please see * <http://www.apache.org/>. * */package org.apache.http.examples.client;import java.io.BufferedReader;import java.io.IOException;import java.io.InputStream;import java.io.InputStreamReader;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;/** * 第二个例子 This example demonstrates the recommended way of using API to make sure * the underlying connection gets released back to the connection manager. */public class ClientConnectionRelease { public final static void main(String[] args) throws Exception { HttpClient httpclient = new DefaultHttpClient(); HttpGet httpget = new HttpGet("http://www.apache.org/"); HttpResponse response = httpclient.execute(httpget); HttpEntity entity = response.getEntity(); try { StringBuffer sb = processEntity(entity); System.out.println(sb); } catch (RuntimeException ex) { httpget.abort(); throw ex; } httpclient.getConnectionManager().shutdown(); } /** * 处理一个实体 * @param entity */ private static StringBuffer processEntity(HttpEntity entity) { StringBuffer sb = new StringBuffer(); InputStreamReader iReader = null; try { InputStream inputStream = entity.getContent(); iReader = new InputStreamReader(inputStream); BufferedReader reader = new BufferedReader(iReader); String line = null; // 用reader.ready()是不行的 while ((line = reader.readLine()) != null) { sb.append(line + "\r\n"); } } catch (Exception ex) { ex.printStackTrace(); } finally { try { iReader.close(); } catch (IOException e) { e.printStackTrace(); } } return sb; }}
相关资源：Java 面经手册·小傅哥(公众号：bugstack虫洞栈).pdf
