如何在java中对JSON对象进行排序?
发布时间:2020-12-15 02:49:07 所属栏目:Java 来源:网络整理
导读:我一直在寻找一段时间,想要一种方法来排序这样的 JSON对象: {"results": [ { "layerId": 5,"layerName": "Pharmaceutical Entities","attributes": { "OBJECTID": "35","FACILITYTYPE": "Pharmacy","FACILITYSUBTYPE": "24 Hr Pharmacy","COMMERCIALNAME_E"
我一直在寻找一段时间,想要一种方法来排序这样的
JSON对象:
{"results": [ { "layerId": 5,"layerName": "Pharmaceutical Entities","attributes": { "OBJECTID": "35","FACILITYTYPE": "Pharmacy","FACILITYSUBTYPE": "24 Hr Pharmacy","COMMERCIALNAME_E": "SADD MAARAB PHARMACY" },"geometryType": "esriGeometryPoint",},{ "layerId": 5,"attributes": { "OBJECTID": "1","COMMERCIALNAME_E": "GAYATHY HOSPITAL PHARMACY" },"attributes": { "OBJECTID": "255","COMMERCIALNAME_E": "AL DEWAN PHARMACY" },} ]} 并按“COMMERCIALNAME_E”的值按字母顺序排序: {"results": [ { "layerId": 5,"geometryType": "esriGeometryPoint" },"COMMERCIALNAME_E": "GAYATHY HOSPITAL PHARMACY" },"geometryType": "esriGeometryPoint" } ]} 我找不到任何可以执行此操作的代码.谁能给我一些帮助? 解决方法
将这些JSON解析为对象集合,并使用比较器使用首选字段对其进行排序.
> Use GSON to parse it to collection of objects 例: import com.google.gson.Gson; class Person { private int age; private String name; } String json = "{'age':22,'name':'Jigar'}"; Gson gson = new Gson(); TestJsonFromObject obj = gson.fromJson(json,Person.class); 如果要从Object创建JSON. Person p = new Person(); p.setName("Jigar"); p.setAge(22); String jsonStr = new com.google.gson.Gson().toJson(obj); (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |