按商品數量進行排序

//按商品數量進行排序
private void listSort(List<pos_detail> mList) {
    if (!CheckUtil.isEmpty(mList)) {
        Collections.sort(mList, new Comparator<pos_detail>() {
            @Override
            public int compare(pos_detail lhs, pos_detail rhs) {
                try {
                    int num1 = MyDataConvert.doubleToInt(lhs.getSale_qnty());
                    int num2 = MyDataConvert.doubleToInt(rhs.getSale_qnty());
                    if (num1 < num2) {
                        return 1;
                    }
                    return -1;
                } catch (Exception e) {
                    e.printStackTrace();
                    return -1;
                }
            }
        });
    }
}