Jdk11使用HttpClient提交Http2请求的实现方法

浏览器 -> network⾯板 -> 右键名称 -> 选择protocol

浏览器 -> network⾯板 -> 右键名称 -> 选择协议

import java.net.URI;

import java.net.http.HttpClient;

import java.net.http.HttpRequest;

import java.net.http.HttpResponse;

import java.time.Duration;

public class Main {

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

         testHttp2();

     }

     private static final String targetUrl = "https://http2.akamai.com/demo" ;

     private static final URI uri = URI.create(targetUrl);

     private static final void testHttp2() {

         //设置建立连接的超时 connect timeout

         var httpClient = HttpClient.newBuilder().connectTimeout(Duration.ofMillis( 5000 ))

                 .version(HttpClient.Version.HTTP_2)

                 .build();

         var request = HttpRequest.newBuilder().timeout(Duration.ofMillis( 3000 ))

                 .header( "key1" , "v1" )

                 .header( "key2" , "v2" )

                 .uri(uri).build();

         try {

             var response = httpClient.send(request, HttpResponse.BodyHandlers.ofString());

             System.out.println(response.body());

             System.out.println(response.version());

         } catch (Exception e) {

             e.printStackTrace();

         }

     }

}