1 /**
2 * list分页展示
3 */
4 public List<ChecklistDto> getListPage(int page, int pageSize, List<ChecklistDto> list) {
5 if (list == null || list.size() == 0) {
6 throw new ServiceException("分页数据不能为空!");
7 }
8 int totalCount = list.size();
9 page = page - 1;
10 int fromIndex = page * pageSize;
11 //分页不能大于总数
12 if(fromIndex>=totalCount) {
13 throw new ServiceException("页数或分页大小不正确!");
14 }
15
16 int toIndex = ((page + 1) * pageSize);
17 if (toIndex > totalCount) {
18 toIndex = totalCount;
19 }
20 return list.subList(fromIndex, toIndex);
21 }
22
23 /**
24 * 返回总页数
25 */
26 public int getPages(List<ChecklistDto> obj,Integer pageSize){
27 int count = obj.size()/pageSize;
28 if(obj.size() == 0){
29 return 0;
30 }
31 if(obj.size() <= pageSize){
32 return 1;
33 }else if(count % pageSize == 0){
34 return count;
35 }else {
36 return count + 1;
37 }
38
39 }
