Java原生HttpClient的使用详解_java

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");      }  }