中文对比排序

    public static void main(String[] args) {
        ArrayList> objects = new ArrayList<>();
        HashMap map = new HashMap<>();
        map.put("oil_name","92#汽油");
        HashMap map1 = new HashMap<>();
        map1.put("oil_name","95#汽油");
        HashMap map2 = new HashMap<>();
        map2.put("oil_name","98#汽油");
        HashMap map3 = new HashMap<>();
        map3.put("oil_name","柴油");
        HashMap map4 = new HashMap<>();
        map4.put("oil_name","天然气");
        objects.add(map4);
        objects.add(map1);
        objects.add(map3);
        objects.add(map);
        objects.add(map2);
        List comp = comp(objects,false);
        System.out.println(comp);
    }


    
    public static List comp(List> list,boolean isAsc) {
        String key = "oil_name";
        Collections.sort(list, new Comparator>() {
            @Override
            public int compare(Map map1, Map map2) {
                Comparator