List转JSONArray及JSONArray转List的方法分享

List转JSONArray

List<T> list = new ArrayList<T>();
JSONArray array= JSONArray.parseArray(JSON.toJSONString(list))；

JSONArray转List

JSONArray array = new JSONArray();
List<EventColAttr> list = JSONObject.parseArray(array.toJSONString(), EventColAttr.class);

String转JSONArray

String str = "[{name:java,age:18,sex:male},{name:niuniu,age:16,sex:male},{name:xiaoxiao,age:17,sex:female}]";
JSONArray data = JSONArray.parseArray(str);

String  str2="[8,10,20]"
List<Long> list = JSONArray.parseArray(str2,Long.class);