public static boolean login() throws IOException{        String captcha_id=downloadPic(login_url,"D:\\yz.png");//下载验证码图片到本地        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));        System.out.println("请输入验证码:");        String yan = br.readLine();        HttpPost httppost = new HttpPost(login_url);        List<NameValuePair> params = new ArrayList<NameValuePair>();        params.add(new BasicNameValuePair("captcha-id", captcha_id));//用firebug自己找        params.add(new BasicNameValuePair("captcha-solution", yan));//验证码        params.add(new BasicNameValuePair("form_email", form_email));//用户名        params.add(new BasicNameValuePair("form_password", form_password));//密码        params.add(new BasicNameValuePair("redir", redir));//跳转地址，一般是自己主页        params.add(new BasicNameValuePair("source", "main"));        params.add(new BasicNameValuePair("login", "登录"));        httppost.setEntity(new UrlEncodedFormEntity(params));        CloseableHttpResponse response = httpclient.execute(httppost);//执行这个post                int statuts_code=response.getStatusLine().getStatusCode();//获得服务器返回状态码                if(statuts_code!=302){            System.err.println("登录失败~");            return false;        }                else{            System.err.println("登录成功~");        }        httppost.releaseConnection();        return true;    }

  public static boolean startPost(String url) {//参数url即为帖子地址
                try{           String html=getPageHtml(url);           Pattern p=Pattern.compile("呃...你想要的东西不在这儿");           Matcher m=p.matcher(html);           if(m.find()){               return false;           }                      Pattern p3=Pattern.compile("该话题已被小组管理员设为不允许回应");           Matcher m3=p3.matcher(html);           if(m3.find()){               return false;           }                      Pattern p2=Pattern.compile("请输入上图中的单词");           Matcher m2=p2.matcher(html);           if(m2.find()){               System.out.println("要输验证码了~暂停10分钟");               Thread.sleep(600000);               return false;           }                    HttpPost httppost = new HttpPost(url+"add_comment#last");        httppost.addHeader("Connection", "keep-alive");        List<NameValuePair> params2 = new ArrayList<NameValuePair>();        params2.add(new BasicNameValuePair("ck", "xNxg"));//这个参数很重要一定要自己用firebug查看，否则发不了贴        params2.add(new BasicNameValuePair("rv_comment",getComment()));//getComment()是我自己写的随机返回一个评论的函数        params2.add(new BasicNameValuePair("start", "0"));        params2.add(new BasicNameValuePair("submit_btn", "加上去"));        httppost.setEntity(new UrlEncodedFormEntity(params2,"utf-8"));        CloseableHttpResponse response = httpclient.execute(httppost);        int status_code=response.getStatusLine().getStatusCode();                if(status_code==302){            System.out.println("评论成功~ "+url);//评论成功        }        else{            System.out.println("评论失败~ "+url);//评论失败        }        httppost.releaseConnection();        Thread.sleep(1500);        }catch(Exception e){            return false;        }                return true;   }