Collections.sort(abilities, new Comparator<Ability>() {
//解法一

  //匿名类
    @Override
    public int compare(Ability o1, Ability o2) {
        // 按照sort进行升序排列
        if (o1.getSort() > o2.getSort()) {
            return 1;
        }
        if (o1.getSort() == o2.getSort()) {
            return 0;
        }
        return -1;
    }


//解法二
//匿名类

//@Override
//public int compare(Ability o1,Ability o2){
  //  double i=o1.getSort()- o2.getSort();
  //  return (int)i;
//}

});
map.put("ranking",abilities);
System.out.println("升序排序后：" + abilities);