public class Demo {

     public static void main(String[] args) {

         try {

             // 创建连接                              服务器的连接地址

             URL url = new URL(

                     "http://apicloud.mob.com/v1/mobile/address/query?phone=13026610069&key=1b2e046d45634");

             try {

                 // 创建输入流

                 BufferedReader br = new BufferedReader(new InputStreamReader(url.openStream()));

                 // 创建一个StringBuffer对象

                 StringBuffer sb = new StringBuffer();

                 // 定义一个字符串变量

                 String st ;

                 // 不等于null的时候一直读

                 while ((st = br.readLine()) != null) {

                     // 读取的所有字符串添加到sb

                     sb.append(st);

                 }

                 // 创建第一个解析                                  需要解析的字符串

                 JSONObject first = JSONObject.fromObject(sb.toString());

                 // 打印需要解析的字符串

                 System.out.println(sb.toString());

                 System.out.println("===============json第一层解析============");

                 System.out.println("msg:"+first.get("msg"));

                 System.out.println("retCode:"+first.get("retCode"));

                 System.out.println("result:"+first.get("result"));

                 // 创建第二个解析                                需要解析的字符串

                 JSONObject second = JSONObject.fromObject(first.get("result"));

                 System.out.println("==============json第二层解析==============");

                 System.out.println("city:"+second.get("city"));

                 System.out.println("cityCode:"+second.get("cityCode"));

                 System.out.println("mobileNumber:"+second.get("mobileNumber"));

                 System.out.println("operator:"+second.get("operator"));

                 System.out.println("province:"+second.get("province"));

                 System.out.println("zipCode:"+second.get("zipCode"));

             } catch (IOException e) {

                 e.printStackTrace();

             }

         } catch (MalformedURLException e) {

             e.printStackTrace();

         }

     }

 }