Java遍历JSON
用Iterator迭代器遍历取值 :
public static void main(String[] args) {
String s = "{'A':{'a':'1' ,'aa':'11'},'B':{'b':'2' ,'bb':'22'}}" ;
JSONObject jsonObject1=JSONObject.fromObject(s);
Iterator<String> iterator1 =jsonObject1.keys();
while(iterator1.hasNext()){
String key1 = iterator1.next();
String value1 = jsonObject1.getString(key1);
System.out.println(key1);
JSONObject jsonObject2=JSONObject.fromObject(value1);
Iterator<String> iterator2 =jsonObject2.keys();
while(iterator2.hasNext()){
String key2 = iterator2.next();
String value2 = jsonObject2.getString(key2);
System.out.println(" - "+key2);
System.out.println(" -- "+value2);
}
}
}