更新登陆知乎

Author: gaopu

Main.java

@@ -8,33 +8,56 @@
 import org.apache.http.client.methods.HttpPost;
 import org.apache.http.impl.client.CloseableHttpClient;
 import org.apache.http.impl.client.HttpClients;
+import org.apache.http.impl.client.SystemDefaultCredentialsProvider;
 import org.apache.http.message.BasicNameValuePair;
 import org.apache.http.util.EntityUtils;
 
+import java.io.File;
+import java.io.FileOutputStream;
 import java.io.IOException;
 import java.util.LinkedList;
 import java.util.List;
+import java.util.Scanner;
 
 public class Main {
     public static void main(String[] args) {
         RequestConfig requestConfig = RequestConfig.custom().setCookieSpec(CookieSpecs.STANDARD_STRICT).build();
         CloseableHttpClient httpClient = HttpClients.custom().setDefaultRequestConfig(requestConfig).build();
 
-        HttpGet get = new HttpGet("http://www.zhihu.com/");
+        HttpGet getHomePage = new HttpGet("http://www.zhihu.com/");
         try {
-            CloseableHttpResponse response = httpClient.execute(get);
+            //填充登陆请求中基本的参数
+            CloseableHttpResponse response = httpClient.execute(getHomePage);
             String responseHtml = EntityUtils.toString(response.getEntity());
             String xsrfValue = responseHtml.split("<input type=\"hidden\" name=\"_xsrf\" value=\"")[1].split("\"/>")[0];
-            System.out.println("xsrfValue:" + xsrfValue);
+            System.out.println("_xsrf:" + xsrfValue);
             response.close();
             List<NameValuePair> valuePairs = new LinkedList<NameValuePair>();
             valuePairs.add(new BasicNameValuePair("_xsrf" , xsrfValue));
             valuePairs.add(new BasicNameValuePair("email", 用户名));
             valuePairs.add(new BasicNameValuePair("password", 密码));
-            valuePairs.add(new BasicNameValuePair("rememberme", "y"));
+            valuePairs.add(new BasicNameValuePair("rememberme", "true"));
 
+            //获取验证码
+            HttpGet getCaptcha = new HttpGet("http://www.zhihu.com/captcha.gif?r=" + System.currentTimeMillis() + "&type=login");
+            CloseableHttpResponse imageResponse = httpClient.execute(getCaptcha);
+            FileOutputStream out = new FileOutputStream("/tmp/zhihu.gif");
+            byte[] bytes = new byte[8192];
+            int len;
+            while ((len = imageResponse.getEntity().getContent().read(bytes)) != -1) {
+                out.write(bytes,0,len);
+            }
+            out.close();
+
+            //请用户输入验证码
+            System.out.println("请输入验证码：");
+            Scanner scanner = new Scanner(System.in);
+            String captcha = scanner.next();
+            valuePairs.add(new BasicNameValuePair("captcha", captcha));
+
+            //完成登陆请求的构造
             UrlEncodedFormEntity entity = new UrlEncodedFormEntity(valuePairs, Consts.UTF_8);
-            HttpPost post = new HttpPost("http://www.zhihu.com/login");
+            HttpPost post = new HttpPost("http://www.zhihu.com/login/email");
             post.setEntity(entity);
             httpClient.execute(post);//登录