java json字符串解析，获取json字符串中数组的值

Question

{"arr":["ipAddr","installationSite","imineSystemId","valid"],"login":0,"password":"","purview":"","userId":0,"userName":""}

怎么解析这个json字符串，我想获取arr数组里面的值，如：ipAddr,installationSite

Answer 1

JSONObject arr = jsonObject.getJSONObject("arr");
JSONArray openids = data.getJSONArray("openid");
Iterator iterator = openids.iterator();
迭代iterator中的数据就可以了