json遍历key value

http://blog.csdn.net/lanshengsheng2012/article/details/17679487

public static void main(String[] args) {
String json = "{"table": "viewTable","data": [{"ctime": "2016-08-24 00:00:00","city": "beijing","count1": "1","count2": "2"},"+
"{"ctime": "2016-08-25 00:00:00","city": "shanghai","count1": "4","count2": "3"}]}";
JSONObject jsonObject = JSONObject.fromObject(json);
String tableName = jsonObject.getString("table");
System.out.println(tableName);
JSONArray jsonArray = jsonObject.getJSONArray("data");
for(int i = 0 ;i < jsonArray.size() ; i++){
JSONObject jsonObj = JSONObject.fromObject(jsonArray.getString(i));
//http://blog.csdn.net/lanshengsheng2012/article/details/17679487
Iterator it = jsonObj.keys();
while(it.hasNext()){
String key = it.next().toString();
String value = jsonObj.getString(key);
System.out.println(key+":"+value);
}
}
}