Java fastjson实现解析json字符串

<dependency>
 <groupId>com.alibaba</groupId>
 <artifactId>fastjson</artifactId>
 <version>1.2.67</version>
</dependency>

  JSONObject jsonObject = JSON.parseObject(res.toString());
  JSONArray jsonArray = jsonObject.getJSONArray("words_result");
  Iterator<Object> iterator = jsonArray.iterator();
  StringBuilder stringBuilder = new StringBuilder();
  while (iterator.hasNext()) {
   JSONObject object = (JSONObject) iterator.next();
   stringBuilder.append(object.get("words"));
  }