Java中的httpclient4.5应该咋使用( 二 ) import java.

在官方包中是有例子的：贴几个给看看模拟表达登录请求package org.apache.http.examples.client;import java.net.URI;import java.util.List;import org.apache.http.HttpEntity;import org.apache.http.client.methods.CloseableHttpResponse;import org.apache.http.client.methods.HttpGet;import org.apache.http.client.methods.HttpUriRequest;import org.apache.http.client.methods.RequestBuilder;import org.apache.http.cookie.Cookie;import org.apache.http.impl.client.BasicCookieStore;import org.apache.http.impl.client.CloseableHttpClient;import org.apache.http.impl.client.HttpClients;import org.apache.http.util.EntityUtils;/** * A example that demonstrates how HttpClient APIs can be used to perform * form-based logon. */public class ClientFormLogin { public static void main(String args) throws Exception { BasicCookieStore cookieStore = new BasicCookieStore(); CloseableHttpClient httpclient = HttpClients.custom() .setDefaultCookieStore(cookieStore) .build(); try { HttpGet httpget = new HttpGet("https://someportal/"); CloseableHttpResponse response1 = httpclient.execute(httpget); try { HttpEntity entity = response1.getEntity(); System.out.println("Login form get: " + response1.getStatusLine()); EntityUtils.consume(entity); System.out.println("Initial set of cookies:"); List\u0026lt;Cookie\u0026gt; cookies = cookieStore.getCookies(); if (cookies.isEmpty()) { System.out.println("None"); } else { for (int i = 0; i \u0026lt; cookies.size(); i++) { System.out.println("- " + cookies.get(i).toString()); } } } finally { response1.close(); } HttpUriRequest login = RequestBuilder.post() .setUri(new URI("https://someportal/")) .addParameter("IDToken1", "username") .addParameter("IDToken2", "password") .build(); CloseableHttpResponse response2 = httpclient.execute(login); try { HttpEntity entity = response2.getEntity(); System.out.println("Login form get: " + response2.getStatusLine()); EntityUtils.consume(entity); System.out.println("Post logon cookies:"); List\u0026lt;Cookie\u0026gt; cookies = cookieStore.getCookies(); if (cookies.isEmpty()) { System.out.println("None"); } else { for (int i = 0; i \u0026lt; cookies.size(); i++) { System.out.println("- " + cookies.get(i).toString()); } } } finally { response2.close(); } } finally { httpclient.close(); } }}
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Java中的httpclient4.5应该咋使用( 二 )

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