String jsonString= queryParkSpaceService.execute(params);
/* jsonString为String类型的*/
/*{"totalSpace":500,"parkName":"天健物业","restSpace":500,"parkCode":"tjwy"}*/
JSONObject kkk=new JSONObject();
kkk.put("json0", jsonString);
//取值
String restSpace=kkk.getJSONObject("json0").getString("restSpace");
String totalSpace = kkk.getJSONObject("json0").getString("totalSpace");
String parkName = kkk.getJSONObject("json0").getString("parkName");
String parkCode = kkk.getJSONObject("json0").getString("parkCode");
//合并
JSONObject jsonObj = new JSONObject();
jsonObj.put("restSpace", restSpace);
jsonObj.put("totalSpace", totalSpace);
jsonObj.put("parkCode", parkCode);
jsonObj.put("parkName", parkName);