使用Java9的http2模組傳送post請求
阿新 • • 發佈:2018-12-29
首先看一下目錄結構:
module-info.java 裡面寫要匯入的模組:
module http2{
requires jdk.incubator.httpclient; #需要的模組
exports com.zm.test; #匯入到某個包下
}
接下來寫post請求:
package com.zm.test; import jdk.incubator.http.HttpClient; import jdk.incubator.http.HttpRequest; import jdk.incubator.http.HttpResponse; import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.net.URI; import java.net.URISyntaxException; import java.util.zip.GZIPInputStream; public class Http2Example02 { public static void main(String[] args) throws URISyntaxException, IOException, InterruptedException { URI uri = new URI("https://www.baidu.com/"); HttpRequest.Builder post = HttpRequest.newBuilder(uri).POST(HttpRequest.BodyProcessor.fromString("###要請求的引數")); //post.setHeader可以設定UA、Cookie等引數 post.setHeader("User-Agent", "Mozilla/5.0 (iPhone; CPU iPhone OS 10_3 like Mac OS X) AppleWebKit/602.1.50 (KHTML, like Gecko) CriOS/56.0.2924.75 Mobile/14E5239e Safari/602.1"); HttpClient httpClient = HttpClient.newHttpClient(); HttpResponse httpResponse = httpClient.send(post.build(), HttpResponse.BodyHandler.asString()); int code = httpResponse.statusCode(); System.out.println(code); System.out.println(uncompress(httpResponse.body().toString().getBytes())); } public static String uncompress(byte[] bytes) { if (bytes == null || bytes.length == 0) { return null; } ByteArrayOutputStream out = new ByteArrayOutputStream(); ByteArrayInputStream in = new ByteArrayInputStream(bytes); try { GZIPInputStream ungzip = new GZIPInputStream(in); byte[] buffer = new byte[256]; int n; while ((n = ungzip.read(buffer)) >= 0) { out.write(buffer, 0, n); } } catch (IOException e) { System.out.println(e); } return out.toString(); } }