VIPJAVA/redis-demo/src/main/java/com/sf/utils/HttpUtils.java

package com.sf.utils;

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 HttpUtils {

    public static void main(String[] args) throws Exception {
//        String url = "http://localhost:8080/init";
        String url = "http://localhost:8080/seckill?userId=111&goodsId=1";
        // Get请求
        // 可以设置http的版本  也可以设置请求的超时时间
        //  http客户端 类似浏览器一样
        HttpClient httpClient = HttpClient.newBuilder()
                .version(HttpClient.Version.HTTP_1_1)
                .connectTimeout(Duration.ofSeconds(30))
                .build();
        // 创建请求参数  url -> uri
        URI uri = URI.create(url);
        HttpRequest httpRequest = HttpRequest.newBuilder().uri(uri).build();
        // 发送请求 接收响应
        HttpResponse<String> httpResponse = httpClient.send(
                httpRequest, HttpResponse.BodyHandlers.ofString());
        String body = httpResponse.body();
        System.out.println(body);
    }
}