这篇文章主要介绍“Java原生HttpClient怎么使用”的相关知识,小编通过实际案例向大家展示操作过程,操作方法简单快捷,实用性强,希望这篇“Java原生HttpClient怎么使用”文章能帮助大家解决问题。1.信任证书管理类packa
这篇文章主要介绍“Java原生HttpClient怎么使用”的相关知识,小编通过实际案例向大家展示操作过程,操作方法简单快捷,实用性强,希望这篇“Java原生HttpClient怎么使用”文章能帮助大家解决问题。
package cn.wja.component;import javax.net.ssl.TrustManager;import javax.net.ssl.X509TrustManager;import java.security.cert.X509Certificate;class MyX509TrustManager implements X509TrustManager { @Override public void checkClientTrusted(X509Certificate[] x509Certificates, String s) { } @Override public void checkServerTrusted(X509Certificate[] x509Certificates, String s) { } @Override public X509Certificate[] getAcceptedIssuers() { return null; } public static TrustManager[] getTrustManagers() { TrustManager[] trustAllCertificates = {new MyX509TrustManager()}; return trustAllCertificates; }}
package cn.wja.component;import javax.net.ssl.SSLContext;import javax.net.ssl.SSLParameters;import javax.net.ssl.TrustManager;import java.net.http.HttpClient;import java.security.KeyManagementException;import java.security.NoSuchAlGorithmException;import java.security.SecureRandom;import java.time.Duration;public class MyHttpClient { static public HttpClient getClient() throws NoSuchAlgorithmException, KeyManagementException { TrustManager[] trustManagers = MyX509TrustManager.getTrustManagers(); var timeoutInSeconds = 60; SSLParameters sslParams = new SSLParameters(); sslParams.setEndpointIdentificationAlgorithm(""); SSLContext sc = SSLContext.getInstance("SSL"); //取消主机名验证 System.setProperty("jdk.internal.httpclient.disableHostnameVerification", "true"); sc.init(null, trustManagers, new SecureRandom()); return HttpClient.newBuilder() .connectTimeout(Duration.ofMillis(timeoutInSeconds * 1000)) .sslContext(sc) .sslParameters(sslParams) .followRedirects(HttpClient.Redirect.NEVER) .version(HttpClient.Version.HTTP_2) .build(); }}
package cn.wja.util;import cn.wja.component.MyHttpClient;import java.net.URI;import java.net.http.HttpClient;import java.net.http.HttpRequest;import java.net.http.HttpResponse;import static java.NIO.charset.StandardCharsets.UTF_8;public class HttpUtils { public static HttpResponse<String> sendGet(String urlStr, String cookieStr) throws Exception { HashMap<String, String> hashMap = new HashMap<>(); hashMap.put("Cookie",cookieStr); return sendGet(urlStr,hashMap); } public static HttpResponse<String> sendGet(String urlStr, Map<String,String> headers) throws KeyManagementException, NoSuchAlgorithmException, IOException, InterruptedException { HttpClient client = MyHttpClient.getClient(); HttpRequest.Builder reqBuilder = getReqBuilder(urlStr); reqBuilder.GET(); for (String key:headers.keySet()){ reqBuilder.header(key, headers.get(key)); } HttpRequest request = reqBuilder.build(); HttpResponse<String> result = client.send(request, HttpResponse.BodyHandlers.ofString(UTF_8)); return result; } private static HttpResponse<String> sendPost(String contentType, String urlStr, String bodyStr, String cookieStr) throws Exception { HttpClient client = MyHttpClient.getClient(); HttpRequest.Builder reqBuilder = getReqBuilder(urlStr); HttpRequest.BodyPublisher bodyPublisher = HttpRequest.BodyPublishers.ofString(bodyStr); reqBuilder.header("Content-Type", contentType) .POST(bodyPublisher) .header("Cookie", cookieStr); HttpRequest request = reqBuilder.build(); HttpResponse<String> result = client.send(request, HttpResponse.BodyHandlers.ofString(UTF_8)); return result; } public static HttpResponse<String> sendFORMPost(String urlStr, String formStr, String cookieStr) throws Exception { return sendPost("application/x-www-form-urlencoded;charset=utf-8", urlStr, formStr, cookieStr); } public static HttpResponse<String> sendJSONPost(String urlStr, String jsonStr, String cookieStr) throws Exception { return sendPost("application/json;charset=utf-8", urlStr, jsonStr, cookieStr); } public static HttpRequest.Builder getReqBuilder(String urlStr) { return HttpRequest.newBuilder() .uri(URI.create(urlStr)) .header("User-Agent", "Mozilla/5.0 (windows NT 10.0; Win64; x64; rv:96.0) Gecko/20100101 Firefox/96.0"); }}
测试表明,通过调用工具类方法,可以直接发送GET请求和带Form表单/Json的POST请求。如果您要发送其他形式的HTTP请求,也可以参照上述代码自行实现。
关于“Java原生HttpClient怎么使用”的内容就介绍到这里了,感谢大家的阅读。如果想了解更多行业相关的知识,可以关注编程网精选频道,小编每天都会为大家更新不同的知识点。
--结束END--
本文标题: Java原生HttpClient怎么使用
本文链接: https://www.lsjlt.com/news/326628.html(转载时请注明来源链接)
有问题或投稿请发送至: 邮箱/279061341@qq.com QQ/279061341
下载Word文档到电脑,方便收藏和打印~
2024-05-16
2024-05-16
2024-05-16
2024-05-16
2024-05-16
2024-05-16
2024-05-16
2024-05-16
2024-05-16
2024-05-16
回答
回答
回答
回答
回答
回答
回答
回答
回答
回答
0