计算分多少页

计算分多少页

int limitNum = DsBizConstant.QUERY_LIMIT_NUM;
Integer pageNum = count / limitNum;
if (count % limitNum != 0) {
    pageNum++;
}
for (int i = 0; i < pageNum; i++) {
    Integer beginRow = limitNum * i;
    wrapper.last(" limit " + beginRow + "," + limitNum);//分页
    List<Ply> list = plyMapper.selectList(wrapper);
}