json兩層解析，json兩層

json兩層解析，json兩層

 1 public class Demo { 2  3     public static void main(String[] args) { 4         try { 5             // 建立串連                              伺服器的串連地址 6             URL url = new URL( 7                     "http://apicloud.mob.com/v1/mobile/address/query?phone=13026610069&key=1b2e046d45634"); 8             try { 9                 // 建立輸入資料流10                 BufferedReader br = new BufferedReader(new InputStreamReader(url.openStream()));11                 // 建立一個StringBuffer對象12                 StringBuffer sb = new StringBuffer();13                 // 定義一個字串變數14                 String st ;15                 // 不等於null的時候一直讀16                 while ((st = br.readLine()) != null) {17                     // 讀取的所有字串添加到sb18                     sb.append(st);19                 }20                 // 建立第一個解析                                  需要解析的字串21                 JSONObject first = JSONObject.fromObject(sb.toString());22                 // 列印需要解析的字串23                 System.out.println(sb.toString());24                 System.out.println("===============json第一層解析============");25                 System.out.println("msg:"+first.get("msg"));26                 System.out.println("retCode:"+first.get("retCode"));27                 System.out.println("result:"+first.get("result"));28                 29                 // 建立第二個解析                                需要解析的字串30                 JSONObject second = JSONObject.fromObject(first.get("result"));31                 System.out.println("==============json第二層解析==============");32                 System.out.println("city:"+second.get("city"));33                 System.out.println("cityCode:"+second.get("cityCode"));34                 System.out.println("mobileNumber:"+second.get("mobileNumber"));35                 System.out.println("operator:"+second.get("operator"));36                 System.out.println("province:"+second.get("province"));37                 System.out.println("zipCode:"+second.get("zipCode"));38             } catch (IOException e) {39                 e.printStackTrace();40             }41         } catch (MalformedURLException e) {42             e.printStackTrace();43         }44     }45 46 }