背景:最近在做一个分布式项目,涉及到底层调用远程方法,使用一般的http封装的方法,都是同步调用,底层响应时间较长,严重影响页面响应速度,于是学习了下http异步调用方式,如下(亲试有效):
package com.test;
import org.apache.http.HttpResponse;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.methods.HttpDelete;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpPut;
import org.apache.http.concurrent.FutureCallback;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.nio.client.CloseableHttpAsyncClient;
import org.apache.http.impl.nio.client.HttpAsyncClients;
import org.apache.http.impl.nio.conn.PoolingNHttpClientConnectionManager;
import org.apache.http.impl.nio.reactor.DefaultConnectingIOReactor;
import org.apache.http.impl.nio.reactor.IOReactorConfig;
import org.apache.http.nio.reactor.ConnectingIOReactor;
import org.apache.http.nio.reactor.IOReactorException;
import org.apache.http.protocol.HTTP;
import org.apache.http.util.EntityUti