1 package 人人网模拟登录;2 3 import org.apache.http.Header;4 import org.apache.http.NameValuePair;5 import org.apache.http.client.ResponseHandler;6 import org.apache.http.client.entity.UrlEncodedFormEntity;7 import org.apache.http.client.methods.CloseableHttpResponse; 8 import org.apache.http.client.methods.HttpGet; 9 import org.apache.http.client.methods.HttpPost; 10 import org.apache.http.impl.client.BasicResponseHandler; 11 import org.apache.http.impl.client.CloseableHttpClient; 12 import org.apache.http.impl.client.HttpClients; 13 import org.apache.http.message.BasicNameValuePair; 14 import java.util.ArrayList; 15 import java.util.List; 16 17 public class Renren { 18 public static void main(String[] args) throws Exception{ 19 CloseableHttpClient closeableHttpClient = HttpClients.createDefault() ; 20 HttpPost httpPost = new HttpPost("http://www.renren.com/PLogin.do") ; 21 22 String userName = " " ; // 账号写入 23 String passWord = " " ; // 密码写入 24 List<NameValuePair> dlbd = new ArrayList<NameValuePair>(); 25 // 登录表单设置 26 dlbd.add(new BasicNameValuePair("domain", "renren.com")); 27 dlbd.add(new BasicNameValuePair("isplogin", "true")); 28 dlbd.add(new BasicNameValuePair("submit", "登录")); 29 dlbd.add(new BasicNameValuePair("email", userName)); 30 dlbd.add(new BasicNameValuePair("password", passWord)); 31 httpPost.setEntity(new UrlEncodedFormEntity(dlbd)); 32 // Post请求 33 CloseableHttpResponse closeableHttpResponse = closeableHttpClient.execute(httpPost) ; 34 // 获取响应头 35 Header locationHeader = closeableHttpResponse.getFirstHeader("Location"); 36 // Get请求 37 String header = locationHeader.getValue(); 38 HttpGet httpGet = new HttpGet(header) ; 39 ResponseHandler<String> responseHandler = new BasicResponseHandler(); 40 String responseBody = closeableHttpClient.execute(httpGet, responseHandler); 41  System.out.println(responseBody); 42  } 43 }