java 拉取 高德省市区

/**
 * 功能说明：更新高德的省市区到我们的省市区表里
 * @author  MrDoubi 2019-07-08 10:12:30
 * @return model
 */
public AppModel updateInitGaoDe(){
    //慎用！
    //我本人用来删除省市区表原来的记录的
    provinceDao.delAllPCA();
   //高德的key 申请时选择web服务
    String gaodeKey = "";
//一个http请求  这个方法放在羡慕
    String res = 
HttpUtils.sendPost("http://restapi.amap.com/v3/config/district","key="+gaodeKey+"&subdistrict=3");
    JSONObject json = JSONObject.parseObject(res);
    int count = 0;
    if(json.get("status").equals("1")){
        //国家 暂时只有中国
        JSONArray districts = json.getJSONArray("districts");
        for (int i = 0; i < districts.size(); i++) {
            JSONObject district = districts.getJSONObject(i);
            //省份
            JSONArray provinces = district.getJSONArray("districts");
            for (int j = 0; j < provinces.size(); j++) {
                JSONObject province = provinces.getJSONObject(j);
                System.out.println(
                        "province ::::::  ====  name:"+province.getString("name")+
                                "   center:"+province.getString("center")+
                                "   adcode:"+province.getString("adcode")
                );
               //在这里新增省份 到表中
                //市
                JSONArray citys = province.getJSONArray("districts");
                for (int k = 0; k < citys.size(); k++) {
                    JSONObject city = citys.getJSONObject(k);
                    System.out.println(
                            "city ::::::  ====  name:"+city.getString("name")+
                                    "   center:"+city.getString("center")+
                                    "   adcode:"+city.getString("adcode")
                    );

  //在这里新增市 到表中
                    //区
                    JSONArray areas = city.getJSONArray("districts");
                    for (int l = 0; l < areas.size(); l++) {
                        JSONObject area = areas.getJSONObject(l);
                        count++;
                        System.out.println(
                                "area ::::::  ====  name:"+area.getString("name")+
                                        "   center:"+area.getString("center")+
                                "   adcode:"+area.getString("adcode")
                        );
  //在这里新增区 到表中
                    }
                }
            }
        }
        System.out.println("获取成功 共"+count+"条数据");
        return new AppModel(0,"更新成功！");
    }else {
        System.err.println(json.get("info"));
        return new AppModel(-1,"更新失败！"+json.getString("info"));
    }
}

 

 

/**
 * 向指定 URL 发送POST方法的请求
 *
 * @param url 发送请求的 URL
 * @param param 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
 * @return 所代表远程资源的响应结果
 */
public static String sendPost(String url, String param)
{
    PrintWriter out = null;
    BufferedReader in = null;
    StringBuilder result = new StringBuilder();
    try
    {
        String urlNameString = url + "?" + param;
        log.info("sendPost - {}", urlNameString);
        URL realUrl = new URL(urlNameString);
        URLConnection conn = realUrl.openConnection();
        conn.setRequestProperty("accept", "*/*");
        conn.setRequestProperty("connection", "Keep-Alive");
        conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
        conn.setRequestProperty("Accept-Charset", "utf-8");
        conn.setRequestProperty("contentType", "utf-8");
        conn.setDoOutput(true);
        conn.setDoInput(true);
        out = new PrintWriter(conn.getOutputStream());
        out.print(param);
        out.flush();
        in = new BufferedReader(new InputStreamReader(conn.getInputStream(), "utf-8"));
        String line;
        while ((line = in.readLine()) != null)
        {
            result.append(line);
        }
        log.info("recv - {}", result);
    }
    catch (ConnectException e)
    {
        log.error("调用HttpUtils.sendPost ConnectException, url=" + url + ",param=" + param, e.getMessage());
    }
    catch (SocketTimeoutException e)
    {
        log.error("调用HttpUtils.sendPost SocketTimeoutException, url=" + url + ",param=" + param, e.getMessage());
    }
    catch (IOException e)
    {
        log.error("调用HttpUtils.sendPost IOException, url=" + url + ",param=" + param, e.getMessage());
    }
    catch (Exception e)
    {
        log.error("调用HttpsUtil.sendPost Exception, url=" + url + ",param=" + param, e.getMessage());
    }
    finally
    {
        try
        {
            if (out != null)
            {
                out.close();
            }
            if (in != null)
            {
                in.close();
            }
        }
        catch (IOException ex)
        {
            log.error("调用in.close Exception, url=" + url + ",param=" + param, ex.getMessage());
        }
    }
    return result.toString();
}