private <T> List<List<T>> getSubList(List list,int len) {

        if(list.size()<len){

            return list;

        }

        List<List<T>> listGroup = new ArrayList<List<T>>();

        int listSize = list.size();

        //子集合的长度

        int toIndex = len;

        for (int i = 0; i < list.size(); i += len) {

            if (i + len > listSize) {

                toIndex = listSize - i;

            }

            List<T> newList = list.subList(i, i + toIndex);

            listGroup.add(newList);

        }

        return listGroup;

    }

    /**

     * @return

     * @Author

     * @Description //TODO 集合分割

     * @Date 2019/1/24 16:48

     * @Param

     */

    private List<List<PushResult>> getSubList(List list, int len) {

        List<List<PushResult>> listGroup = new ArrayList<List<PushResult>>();

        if (list.size() < len) {

            listGroup.add(list);

            return listGroup;

        }

        int listSize = list.size();

        //子集合的长度

        int toIndex = len;

        for (int i = 0; i < list.size(); i += len) {

            if (i + len > listSize) {

                toIndex = listSize - i;

            }

            List<PushResult> newList = list.subList(i, i + toIndex);

            listGroup.add(newList);

        }

        return listGroup;

    }