首页 > 代码库 > httpclient4 模拟访问网页 模拟登录 简单例子
httpclient4 模拟访问网页 模拟登录 简单例子
JAVA后台模拟登录一个网站，获得一定权限后进一步操作。
所用的工具：
Apache HttpComponents client 4.3版本
以下为代码:
import org.apache.http.HttpEntity;import org.apache.http.client.methods.CloseableHttpResponse;import org.apache.http.client.methods.HttpGet;import org.apache.http.impl.client.CloseableHttpClient;import org.apache.http.impl.client.HttpClientBuilder;import org.apache.http.util.EntityUtils;public class SimpleClient { public void test() throws Exception { HttpGet httpget = null; try { CloseableHttpClient httpclient = HttpClientBuilder.create().build(); httpget = new HttpGet("www.baidu.com"); //HttpGet httpget = new HttpGet(urlWithParams); //配置请求的超时设置 /* RequestConfig requestConfig = RequestConfig.custom() .setConnectionRequestTimeout(50) .setConnectTimeout(50) .setSocketTimeout(50) .build(); httpget.setConfig(requestConfig);*/ CloseableHttpResponse response = httpclient.execute(httpget); System.out.println("StatusCode -> " + response.getStatusLine().getStatusCode()); String set_cookie = response.getFirstHeader("Set-Cookie").getValue(); //打印Cookie值 System.out.println(set_cookie.substring(0,set_cookie.indexOf(";"))); HttpEntity entity = response.getEntity(); String jsonStr = EntityUtils.toString(entity);//, "utf-8"); System.out.println(jsonStr); httpget.releaseConnection(); } catch (Exception e) { e.printStackTrace(); } finally { httpget.releaseConnection(); } }}
httpclient4 模拟访问网页 模拟登录 简单例子
声明：以上内容来自用户投稿及互联网公开渠道收集整理发布，本网站不拥有所有权，未作人工编辑处理，也不承担相关法律责任，若内容有误或涉及侵权可进行投诉： 投诉/举报 工作人员会在5个工作日内联系你，一经查实，本站将立刻删除涉嫌侵权内容。