java代码如何遍历JSONObject?

遍历JSONObject的方法

1.获取JSONObject对象中所有key,并返回一个key数组
2.借助while循环遍历JSONObject

JSONObject jsonObject = new JSONObject(results.trim());
Iterator<String> keys = jsonObject.keys();

while(keys.hasNext()) {
    String key = keys.next();
    if (jsonObject.get(key) instanceof JSONObject) {
          // do something with jsonObject here      
    }
}