Java/Main.java at master · 2025/Java · GitHub

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importorg.apache.http.Consts;
importorg.apache.http.NameValuePair;
importorg.apache.http.client.config.CookieSpecs;
importorg.apache.http.client.config.RequestConfig;
importorg.apache.http.client.entity.UrlEncodedFormEntity;
importorg.apache.http.client.methods.CloseableHttpResponse;
importorg.apache.http.client.methods.HttpGet;
importorg.apache.http.client.methods.HttpPost;
importorg.apache.http.impl.client.CloseableHttpClient;
importorg.apache.http.impl.client.HttpClients;
importorg.apache.http.impl.client.SystemDefaultCredentialsProvider;
importorg.apache.http.message.BasicNameValuePair;
importorg.apache.http.util.EntityUtils;

importjava.io.File;
importjava.io.FileOutputStream;
importjava.io.IOException;
importjava.util.LinkedList;
importjava.util.List;
importjava.util.Scanner;

publicclassMain {
publicstaticvoidmain(String[] args) {
RequestConfigrequestConfig = RequestConfig.custom().setCookieSpec(CookieSpecs.STANDARD_STRICT).build();
CloseableHttpClienthttpClient = HttpClients.custom().setDefaultRequestConfig(requestConfig).build();

HttpGetgetHomePage = newHttpGet("http://www.zhihu.com/");
try {
//填充登陆请求中基本的参数
CloseableHttpResponseresponse = httpClient.execute(getHomePage);
StringresponseHtml = EntityUtils.toString(response.getEntity());
StringxsrfValue = responseHtml.split("<input type=\"hidden\" name=\"_xsrf\" value=\"")[1].split("\"/>")[0];
System.out.println("_xsrf:" + xsrfValue);
response.close();
List<NameValuePair> valuePairs = newLinkedList<NameValuePair>();
valuePairs.add(newBasicNameValuePair("_xsrf" , xsrfValue));
valuePairs.add(newBasicNameValuePair("email", 用户名));
valuePairs.add(newBasicNameValuePair("password", 密码));
valuePairs.add(newBasicNameValuePair("rememberme", "true"));

//获取验证码
HttpGetgetCaptcha = newHttpGet("http://www.zhihu.com/captcha.gif?r=" + System.currentTimeMillis() + "&type=login");
CloseableHttpResponseimageResponse = httpClient.execute(getCaptcha);
FileOutputStreamout = newFileOutputStream("/tmp/zhihu.gif");
byte[] bytes = newbyte[8192];
intlen;
while ((len = imageResponse.getEntity().getContent().read(bytes)) != -1) {
out.write(bytes,0,len);
 }
out.close();
Runtime.getRuntime().exec("eog /tmp/zhihu.gif");//ubuntu下看图片的命令是eog

//请用户输入验证码
System.out.print("请输入验证码：");
Scannerscanner = newScanner(System.in);
Stringcaptcha = scanner.next();
valuePairs.add(newBasicNameValuePair("captcha", captcha));

//完成登陆请求的构造
UrlEncodedFormEntityentity = newUrlEncodedFormEntity(valuePairs, Consts.UTF_8);
HttpPostpost = newHttpPost("http://www.zhihu.com/login/email");
post.setEntity(entity);
httpClient.execute(post);//登录

HttpGetg = newHttpGet("http://www.zhihu.com/question/following");//获取“我关注的问题”页面
CloseableHttpResponser = httpClient.execute(g);
System.out.println(EntityUtils.toString(r.getEntity()));
r.close();
 } catch (IOExceptione) {
e.printStackTrace();
 } finally {
try {
httpClient.close();
 } catch (IOExceptione) {
e.printStackTrace();
 }
 }
 }
}