1、将json数组字符串转成JSONArray
String jsonstring="[{"id":8,"name":"showDebit","title":null,"status":0,"sort":0,"pid":360,"level":3},{"id":952,"name":"showDebit","title":"显示发票工作区3","status":1,"sort":1,"pid":360,"level":3}]";
JSONArray jsonArray;
jsonArray=JSON.parseArray(jsonstring);//将json数组字符串转成jsonArray,jsonArray相当于是josnObeject的集合
for (int i = 0; i < jsonArray.size(); i++) {
JSONObject jsonObject = jsonArray.getJSONObject(i);
Node d=new Node();
d.setTitle(jsonObject.getString("title"));
d.setName(jsonObject.getString("name"));
d.setPid(jsonObject.getInteger("pid"));
d.setSort(jsonObject.getInteger("sort"));
d.setLevel(jsonObject.getInteger("level"));
nodeService.save(d);//插入node表
}
2、将java list转换成jsonarray
JSONArray array= JSONArray.parseArray(JSON.toJSONString(list));
3、将java list转换成jsonstring
String jsonArray= JSON.toJSONString(bList);//将list转换为jsonstring