from django.utils.safestring import mark_safe
class
page
:def
__init__
(self,current_page,data_length,data_count=
10,page_count=10)
:"""
:param current_page: 當前顯示的頁數
:param data_length: 需要顯示的資料總長度
:param data_count: 每頁顯示的資料個數
:param page_count: 每頁顯示多少頁數鏈結
"""self.current_page = current_page
self.data_length = data_length
self.data_count = data_count
self.page_count = page_count
@property
defstart
(self)
:return
(self.current_page -1)
* self.data_count
@property
defend
(self)
:return self.current_page * self.data_count
@property
defpage_total
(self)
: page_of_total, v =
divmod
(self.data_length, self.data_count)
if v:
k = page_of_total +
1return page_of_total
@property
defstart_end_page
(self)
:if self.page_total < self.page_count +1:
start_page =
1 end_page = self.page_total +
1else
:if self.current_page <
(self.page_count +1)
/2: start_page =
1 end_page = self.page_count +
1else
: start_page = self.current_page -
(self.page_count -1)
/2end_page = self.current_page +
(self.page_count +1)
/2if end_page > self.page_total +1:
start_page = self.page_total - self.page_count +
1 end_page = self.page_total +
1return
int(start_page)
,int
(end_page)
defpage_str
(self)
: display_str =
prev_page = self.current_page -
1if prev_page >0:
prev_str =
.format
(prev_page)
else
: prev_str =
.format
(prev_page)
start_page, end_page = self.start_end_page
for i in
range
(start_page, end_page)
:if i == self.current_page:
str=
.format
(i, i)
else
:str=.
format
(i, i)
str)
after_page = self.current_page +
1if after_page >50:
after_str =
.format
(after_page)
else
: after_str =
.format
(after_page)
input_str =
'' go_str =
'go'
.format
(self.page_total)
# 將列表轉換為字串
display_str = mark_safe(
''.join(display_str)
)return display_str
from django.contrib import admin
from django.urls import path
from django.conf.urls import url,include
urlpatterns =
[ url(
'paging/$'
,views.paging)
,]
from utils import pagination
defpaging
(request)
:"""
current_page:當前顯示的頁數
start:當前頁顯示的起始資料
end:當前頁顯示的截止資料
data_count：每頁顯示的資料個數
page_total:總頁數
page_count:每頁顯示多少頁數鏈結
display_str:顯示分頁字串
start_page:每頁顯示的起始頁鏈結
end_page:每頁顯示的結束頁鏈結
:param request:
:return:
"""nid = request.get.get(
'p',1)
current_page =
int(nid)
data_count = request.cookies.get(
'pagination'
,none
)print
(data_count)
data_count =
int(data_count)
page = pagination.page(current_page,
len(user_list)
,data_count)
data = user_list[page.start:page.end]
display_str=page.page_str(
)return render(request,
'paging.html'
,)
href
="/static/paging.css"
rel="stylesheet"
/>
class
="warp"
>
>
ul>
div>
>
"sel"
class
="paging_icon"
>
value
="10"
>
10option
>
value
="30"
>
30option
>
value
="50"
>
50option
>
value
="100"
>
100option
>
select
>
div>
}div
>
#} >
}div
>
src=
"/static/jquery.cookie.js"
>
script
>
>$(
function()
)$('#go').
on('click'
,function()
else;}
);})
script
>
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