JSONArray dataArray = res.getJSONArray("data");
System.out.println(dataArray.toString(2));
// 对data中进行解析
/*
* 为什么选用hashset容器:
* 因为自动去除重复
* */
HashSet<String> hashSet=new HashSet<>();
for(int i=0;i<dataArray.length();i++){
JSONObject object=dataArray.getJSONObject(i);
JSONArray hitsArray=object.getJSONArray("hits");
System.out.println(hitsArray);
JSONObject hitsJSON=hitsArray.getJSONObject(0);
System.out.println("xxx"+hitsJSON);
JSONArray wordsArray = hitsJSON.getJSONArray("words");
System.out.println((wordsArray.toString()).substring(2,(wordsArray.toString()).length() - 2));
hashSet.add((wordsArray.toString()).substring(2,(wordsArray.toString()).length() - 2));
System.out.println(hashSet.toString());
}