map排序
1. treeMap ,按value排序
Map<String, List<Map<String, Object>>> rmap = new TreeMap<>((k1,k2)->{
return qgm.get(k1).compareTo(qgm.get(k2));
});
rmap.putAll(typeColl);
建一个按value排序的rmap,再把typeColl put进rmap里
2. treeMap ,按key排序
Map>> rmap = new TreeMap<>((k1,k2)->{
return k1.compareTo(k2);
});
rmap.putAll(typeColl);
建一个按key排序的rmap,再把typeColl put进rmap里