Java Json

        //list 转 json 数据
//        List<Object> list = new ArrayList<Object>();
//        list.add("zhangsan");
//        list.add(0.34f);
//        JSONArray jsonArray = JSONArray.fromObject(list);
//        System.out.println(jsonArray.toString());
        
        //map 转 json 数据
        Map<String,Object> map = new HashMap<String,Object>();
        map.put("name", "张三");
        map.put("sex", "男");
        JSONArray jsonArray = JSONArray.fromObject(map);
        System.out.println(jsonArray.toString());
        JSONObject jsonObject = JSONObject.fromObject(map);
        System.out.println(jsonObject.toString());
        
//        JsonUnit bean = new JsonUnit("zzd","man",30);
//        JSONArray jsonArray = JSONArray.fromObject(bean);
//        System.out.println(jsonArray.toString());
//        JSONObject jsonObject = JSONObject.fromObject(bean);
//        System.out.println(jsonObject.toString());

json-lib-2.2.3.jar

[{"sex":"男","name":"张三"}]
{"sex":"男","name":"张三"}