分页

List<PushInfo> models = this.findByStatus(whCode, statusList,pushNum,2);
       
        if (models.isEmpty()) {
           
            return;
        }
        int pageSize = 500;// 条数
        int listCount = models.size();
        int totalPage = listCount % pageSize > 0 ? listCount / pageSize + 1 : listCount / pageSize;
        for (int i = 0; i < totalPage; i++) {
            List<PushInfo> modelList = pageBySubList(models, pageSize, i + 1);
            this.updateOutboundPushInfo(modelList);
        }

 

 /**
     * 利用subList方法进行分页
     *
     * @param list        分页数据
     * @param pageSize    页面大小
     * @param currentPage 当前页面
     */
    public List<PushInfo> pageBySubList(List<PushInfo> list, int pageSize, int currentPage) {

        int totalCount = list.size();
        int pageCount = 0;
        List<PushInfo> subList;
        int m = totalCount % pageSize;
        if (m > 0) {
            pageCount = totalCount / pageSize + 1;
        } else {
            pageCount = totalCount / pageSize;
        }
        if (m == 0) {
            subList = list.subList((currentPage - 1) * pageSize, pageSize * (currentPage));
        } else {
            if (currentPage == pageCount) {
                subList = list.subList((currentPage - 1) * pageSize, totalCount);
            } else {
                subList = list.subList((currentPage - 1) * pageSize, pageSize * (currentPage));
            }
        }
        return subList;
    }