@Override
public Pager<PageCategory> findAllPageCategory(
Pager<PageCategory> pager, PageCategoryExample example) {
if (example == null) example = new PageCategoryExample();
List<PageCategory> pageCategoryList = pageCategoryMapper.selectPageCategoryCount();
// 只对大类进行分页
Map<Long, PageCategory> categoryMap = this.handlePageCategory(pageCategoryList);
List<PageCategory> arrayList = new ArrayList<PageCategory>(categoryMap.values());
int listSize = arrayList.size();
int fromIndex = pager.getStartNumber();
int toIndex = pager.getStartNumber() + pager.getEndNumber();
if (fromIndex > listSize) return pager;
if (toIndex > listSize) {
toIndex = listSize;
}
pager.setList(arrayList.subList(fromIndex, toIndex));
pager.setTotalCount(categoryMap.size());
return pager;
}
@Override
public List<PageCategory> findAllPageCategory() {
List<PageCategory> pageCategoryList = pageCategoryMapper.selectPageCategoryCount();
Map<Long, PageCategory> categoryMap = this.handlePageCategory(pageCategoryList);
return new ArrayList<>(categoryMap.values());
}
@Override
public PageCategory findPageCategoryById(Long id) {
return pageCategoryMapper.selectByPrimaryKey(id);
}
@Override
@Transactional
public boolean updatePageCategory(PageCategory pageCategory) {
return pageCategoryMapper.updateByPrimaryKey(pageCategory) > 0;
}
@Override
@Transactional
public boolean savePageCategory(PageCategory pageCategory) {
return pageCategoryMapper.insert(pageCategory) > 0;
}