最近工作中使用到了兩個jar包?httpclient.jar, httpcore.jar

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?HttpClient 的 abort（終止）程序示例

[java] view plaincopyprint? /* * ==================================================================== * 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 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; /** * This example demonstrates how to abort an HTTP method before its normal completion. * 在HttpClient 普通完成前調用abort方法對其進行終止 */ public class ClientAbortMethod { public final static void main(String[] args) throws Exception { HttpClient httpclient = new DefaultHttpClient(); try { HttpGet httpget = new HttpGet("http://www.apache.org/"); System.out.println("executing request " + httpget.getURI()); HttpResponse response = httpclient.execute(httpget); HttpEntity entity = response.getEntity(); System.out.println("----------------------------------------"); System.out.println(response.getStatusLine()); if (entity != null) { System.out.println("Response content length: " + entity.getContentLength()); } System.out.println("----------------------------------------"); // Do not feel like reading the response body // Call abort on the request object // 不打算讀取response body // 調用request的abort方法 httpget.abort(); } finally { // When HttpClient instance is no longer needed, // shut down the connection manager to ensure // immediate deallocation of all system resources // 當HttpClient實例不再需要是，確保關閉connection manager，以釋放其系統資源 httpclient.getConnectionManager().shutdown(); } } }

　

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.ClientProtocolException; import org.apache.http.client.HttpClient; import org.apache.http.client.methods.HttpGet; import org.apache.http.impl.client.DefaultHttpClient;public class TTT {/*** @param args* @throws IOException* @throws ClientProtocolException*/public static void main(String[] args) throws ClientProtocolException, IOException{// 創建HttpClient實例HttpClient httpclient = new DefaultHttpClient();// 創建Get方法實例HttpGet httpgets = new HttpGet("http://www.baidu.com");HttpResponse response = httpclient.execute(httpgets);HttpEntity entity = response.getEntity();if (entity != null){InputStream instreams = entity.getContent();String str = convertStreamToString(instreams);System.out.println(str);//終止http請求和響應httpgets.abort();}}public static String convertStreamToString(InputStream is){BufferedReader reader = new BufferedReader(new InputStreamReader(is));StringBuilder sb = new StringBuilder();String line = null;try{while ((line = reader.readLine()) != null){sb.append(line + "\n");}} catch (IOException e){e.printStackTrace();} finally{try{is.close();} catch (IOException e){e.printStackTrace();}}return sb.toString();}}

　　

轉載于:https://www.cnblogs.com/wuxinliulei/p/4859721.html

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