class Paginator(object):
def __init__(self,totleCount,currentPage,perPageNum=4,maxPageNum=7
):
# 数据总个数
self.totle_count =
totleCount
# 当前页
try:
v =
int(currentPage)
if v <
0:
v=1
self.current_page =
v
except Exception as e:
self.current_page = 1
# 每页显示的行数
self.per_page_item_num =
perPageNum
# 最大页码数
self.max_page_num =
maxPageNum
def start(self):
return (self.current_page-1)*
self.per_page_item_num
def end(self):
return self.current_page *
self.per_page_item_num
@property
def num_pages(self):
# 总页数
a,b =
divmod(self.totle_count,self.per_page_item_num)
if b ==
0:
return a
return a+1
def pager_num_range(self):
# 当前页
# self.current_pager
# 最多显示页码的数量
# self.per_pager_num
# 总页数
# self.num_pages
# 如果 总页数 小于 最多显示页码数 返回 1--总页数
if self.num_pages <
self.max_page_num:
return range(1, self.num_pages+1
)
part = self.max_page_num//2
if self.current_page <=
part:
return range(1,self.max_page_num+1
)
if (self.current_page+part)>=
self.num_pages:
return range(self.num_pages-part,self.num_pages+1
)
return range(self.current_page-part,self.current_page+part+1
)
def page_str(self):
page_list =
[]
page_list.append('<ul class="pagination">')
first =
'<li><a href="/index?p=1" style="font-size:15px;">首页<a></li>'
page_list.append(first)
if self.current_page == 1
:
prev =
'<li><a href="#" style="font-size:15px;">上一页<a></li>'
else:
prev =
'<li><a href="/index?p=%s" style="font-size:15px;">上一页<a></li>'%(self.current_page-1
)
page_list.append(prev)
for i
in self.pager_num_range():
if i ==
self.current_page:
temp =
'<li class="active"><a href="/index?p=%s" style="font-size:30px;">%s</a></li>'%
(i,i)
else:
temp =
'<li><a href="/index?p=%s" style="font-size:15px;">%s</a></li>' %
(i, i)
page_list.append(temp)
if self.current_page ==
self.num_pages:
prev =
'<li><a href="#" style="font-size:15px;">下一页<a></li>'
else:
prev =
'<li><a href="/index?p=%s" style="font-size:15px;">下一页<a></li>'%(self.current_page+1
)
page_list.append(prev)
end =
'<li><a href="/index?p=%s" style="font-size:15px;">尾页<a></li>'%
(self.num_pages)
page_list.append(end)
page_list.append('</ul>')
return ''.join(page_list)
def stu_page_str(self):
page_list =
[]
first =
'<li><a href="/students?p=1" style="font-size:15px;">首页<a></li>'
page_list.append(first)
if self.current_page == 1
:
prev =
'<li><a href="#" style="font-size:15px;">上一页<a></li>'
else:
prev =
'<li><a href="/students?p=%s" style="font-size:15px;">上一页<a></li>'%(self.current_page-1
)
page_list.append(prev)
for i
in self.pager_num_range():
if i ==
self.current_page:
temp =
'<li class="active"><a href="/students?p=%s" style="font-size:30px;">%s</a></li>'%
(i,i)
else:
temp =
'<li><a href="/students?p=%s" style="font-size:15px;">%s</a></li>' %
(i, i)
page_list.append(temp)
if self.current_page ==
self.num_pages:
prev =
'<li><a href="#" style="font-size:15px;">下一页<a></li>'
else:
prev =
'<li><a href="/students?p=%s" style="font-size:15px;">下一页<a></li>'%(self.current_page+1
)
page_list.append(prev)
end =
'<li><a href="/students?p=%s" style="font-size:15px;">尾页<a></li>'%
(self.num_pages)
page_list.append(end)
return ''.join(page_list)
def tea_page_str(self):
page_list =
[]
first =
'<li><a href="/teachers?p=1" style="font-size:15px;">首页<a></li>'
page_list.append(first)
if self.current_page == 1
:
prev =
'<li><a href="#" style="font-size:15px;">上一页<a></li>'
else:
prev =
'<li><a href="/teachers?p=%s" style="font-size:15px;">上一页<a></li>'%(self.current_page-1
)
page_list.append(prev)
for i
in self.pager_num_range():
if i ==
self.current_page:
temp =
'<li class="active"><a href="/teachers?p=%s" style="font-size:30px;">%s</a></li>'%
(i,i)
else:
temp =
'<li><a href="/teachers?p=%s" style="font-size:15px;">%s</a></li>' %
(i, i)
page_list.append(temp)
if self.current_page ==
self.num_pages:
prev =
'<li><a href="#" style="font-size:15px;">下一页<a></li>'
else:
prev =
'<li><a href="/teachers?p=%s" style="font-size:15px;">下一页<a></li>'%(self.current_page+1
)
page_list.append(prev)
end =
'<li><a href="/teachers?p=%s" style="font-size:15px;">尾页<a></li>'%
(self.num_pages)
page_list.append(end)
return ''.join(page_list)
转载于:https://www.cnblogs.com/Alone-Tree/p/9785801.html
相关资源：WPF自定义分页控件（含使用说明）
