Java排序：Collections.sort

排序：

Collections.sort(tipinfosort_beforesort, new Comparator<TipInfoforSort>() {
    public int compare(TipInfoforSort arg0, TipInfoforSort arg1) {
        //降序排列
        return arg1.getTinfo().getSortvalue().compareTo(arg0.getTinfo().getSortvalue());
    }
});