java网络编程____httpclient多线程请求和线程池

import org.apache.http.HttpEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.protocol.HttpClientContext;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.protocol.HttpContext;
import org.apache.http.util.EntityUtils;

public class ThreadGroupContext extends Thread {
	private final CloseableHttpClient httpClient;
	private final HttpContext context;
	private final HttpGet httpget;
	
	public ThreadGroupContext(CloseableHttpClient httpClient, HttpGet httpget) {
		this.httpClient = httpClient;
		this.context = HttpClientContext.create();
		this.httpget = httpget;
	}

	@Override
	public void run() {
		try {
			CloseableHttpResponse response = httpClient.execute(httpget,context);
			try {
				HttpEntity entity = response.getEntity();
				System.out.println("结果集转string串____:"+EntityUtils.toString(entity));
			} finally {
				response.close();
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
	
}

//

 

import java.io.IOException;

import org.apache.http.HttpEntity;
import org.apache.http.HttpHost;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.protocol.HttpClientContext;
import org.apache.http.conn.routing.HttpRoute;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
import org.apache.http.protocol.HttpContext;

@SuppressWarnings("unused")
public class HttpClientManyThread {
	private static void manyThreadHttpRequest() throws Exception {
		//httpclient线程池管理器
		PoolingHttpClientConnectionManager connManager = new PoolingHttpClientConnectionManager();
		//最大练级数
		connManager.setMaxTotal(200);
		//设置每个路由连接数
		connManager.setDefaultMaxPerRoute(3);
		//针对的主机
		HttpHost host = new HttpHost("http://blog.csdn.net/qq827245563");
		//每个路由映射的最大的连接数
		connManager.setMaxPerRoute(new HttpRoute(host), 5);
		//创建httpclisent连接
		CloseableHttpClient httpClient = HttpClients.custom().setConnectionManager(connManager).build();

		String[] urls = { "http://blog.csdn.net/qq827245563", "http://blog.csdn.net/qq827245563", "http://blog.csdn.net/qq827245563",
				"http://blog.csdn.net/qq827245563", "http://blog.csdn.net/qq827245563", "http://blog.csdn.net/qq827245563",
				"http://blog.csdn.net/qq827245563", "http://blog.csdn.net/qq827245563", "http://blog.csdn.net/qq827245563",
				"http://blog.csdn.net/qq827245563" };

		ThreadGroupContext[] threadGroupContexts = new ThreadGroupContext[10];

		for (int i = 0; i < threadGroupContexts.length; i++) {
			HttpGet httpget = new HttpGet(urls[i]);
			threadGroupContexts[i] = new ThreadGroupContext(httpClient, httpget);
		}

		for (int j = 0; j < threadGroupContexts.length; j++) {
			threadGroupContexts[j].start();
		}

		for (int j = 0; j < threadGroupContexts.length; j++) {
			threadGroupContexts[j].join();
		}

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


}

//

 

运行结果