[1].[代碼] [Java]代碼

作者：臥顏沉默

鏈接：https://www.zhihu.com/question/36909173/answer/97643000

來源：知乎

著作權歸作者所有。商業轉載請聯系作者獲得授權，非商業轉載請注明出處。

/**

*

* @param httpClient Http客戶端

* @param context Http上下文

* @return

*/

public boolean login(CloseableHttpClient httpClient, HttpClientContext context){

String yzm = null;

String loginState = null;

HttpGet getRequest = new HttpGet("https://www.zhihu.com/#signin");

HttpClientUtil.getWebPage(httpClient,context, getRequest, "utf-8", false);

HttpPost request = new HttpPost("https://www.zhihu.com/login/email");

List formParams = new ArrayList();

yzm = yzm(httpClient, context,"https://www.zhihu.com/captcha.gif?type=login");//肉眼識別驗證碼

formParams.add(new BasicNameValuePair("captcha", yzm));

formParams.add(new BasicNameValuePair("_xsrf", ""));//這個參數可以不用

formParams.add(new BasicNameValuePair("email", "郵箱"));

formParams.add(new BasicNameValuePair("password", "密碼"));

formParams.add(new BasicNameValuePair("remember_me", "true"));

UrlEncodedFormEntity entity = null;

try {

entity = new UrlEncodedFormEntity(formParams, "utf-8");

} catch (UnsupportedEncodingException e) {

e.printStackTrace();

}

request.setEntity(entity);

loginState = HttpClientUtil.getWebPage(httpClient,context, request, "utf-8", false);//登錄

JSONObject jo = new JSONObject(loginState);

if(jo.get("r").toString().equals("0")){

System.out.println("登錄成功");

getRequest = new HttpGet("https://www.zhihu.com");

HttpClientUtil.getWebPage(httpClient,context ,getRequest, "utf-8", false);//訪問首頁

HttpClientUtil.serializeObject(context.getCookieStore(),"resources/zhihucookies");//序列化知乎Cookies，下次登錄直接通過該cookies登錄

return true;

}else{

System.out.println("登錄失敗" + loginState);

return false;

}

}

/**

* 肉眼識別驗證碼

* @param httpClient Http客戶端

* @param context Http上下文

* @param url 驗證碼地址

* @return

*/

public String yzm(CloseableHttpClient httpClient,HttpClientContext context, String url){

HttpClientUtil.downloadFile(httpClient, context, url, "d:/test/", "1.gif",true);

Scanner sc = new Scanner(System.in);

String yzm = sc.nextLine();

return yzm;

}

總結

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