類封裝高階版：
1#自定義分頁：分頁樣式採用bootstrap
2class
pagenation:
3def
__init__(self,base_url,current_page_num,total_counts,request,per_page_counts=10,page_number=5):
4'''
5:param base_url: 分頁展示資訊的基礎路徑
6:param current_page_num: 當前頁頁碼
7:param total_counts: 總的資料量
8:param per_page_counts: 每頁展示的資料量
9:param page_number: 顯示頁碼數
10'''
11 self.base_url =base_url
12 self.current_page_num =current_page_num
13 self.total_counts =total_counts
14 self.per_page_counts =per_page_counts
15 self.page_number =page_number
16 self.request=request
17import
copy
18 self.params =copy.deepcopy(self.request.get)
19try
:20 self.current_page_num =int(self.current_page_num)
21except
exception:
22 self.current_page_num = 1
23 half_page_range = self.page_number // 224#
計算總頁數25#
self.page_number_count, a = divmod(self.total_counts, self.per_page_counts)26#
if self.current_page_num < 1:27#
self.current_page_num = 128#
if a:29#
self.page_number_count += 1
30import
math
31 self.page_number_count=math.ceil(self.total_counts/self.per_page_counts)
32if self.current_page_num < 1:
33 self.current_page_num = 1
34if self.current_page_num >self.page_number_count:
35 self.current_page_num =self.page_number_count
36if self.page_number_count <=self.page_number:
37 self.page_start = 1
38 self.page_end =self.page_number_count
39else:40
if self.current_page_num <=half_page_range:
41 self.page_start = 1
42 self.page_end =page_number
43elif self.current_page_num + half_page_range >=self.page_number_count:
44 self.page_start = self.page_number_count - self.page_number + 1
45 self.page_end =self.page_number_count
46else
:47 self.page_start = self.current_page_num -half_page_range
48 self.page_end = self.current_page_num +half_page_range49#
資料切片依據,起始位置
50@property
51def
start_num(self):
52if self.current_page_num==0:
53 self.current_page_num=1
54 start_num = (self.current_page_num - 1) *self.per_page_counts
55return
start_num56#
資料切片依據,終止位置
57@property
58def
end_num(self):
59 end_num = self.current_page_num *self.per_page_counts
60return
end_num61#
拼接html標籤
62def
page_html(self):
63 tab_html = ''
64 tab_html += '
'106
return tab_html
函式低階版：
1#函式低階版
2def pagenation(base_url,current_page_num,total_counts,per_page_counts=10,page_number=5):
3'''
4total_counts資料總數
5per_page_counts每頁分多少條資料
6page_number = 頁碼顯示多少個
7current_page_num 當前頁
8:return:
9'''10#
all_objs_list = models.customer.objects.all()11#
total_counts = all_objs_list.count()12#
page_number = 5
13try
:14 current_page_num =int(current_page_num)
15except
exception:
16 current_page_num = 1
17 half_page_range = page_number//218#
計算總頁數
19 page_number_count,a =divmod(total_counts,per_page_counts)
20if current_page_num < 1:
21 current_page_num = 1
22if
a:23 page_number_count += 1
24if current_page_num >page_number_count:
25 current_page_num =page_number_count
26 start_num = (current_page_num - 1) * 10
27 end_num = current_page_num * 10
28if page_number_count <=page_number:
29 page_start = 1
30 page_end =page_number_count
31else:32
if current_page_num <=half_page_range:
33 page_start = 1
34 page_end =page_number
35elif current_page_num + half_page_range >=page_number_count:
36 page_start = page_number_count - page_number + 1
37 page_end =page_number_count
38else
:39 page_start = current_page_num -half_page_range
40 page_end = current_page_num +half_page_range41#
拼接html標籤
42 tab_html = ''
43 tab_html += ''64
return tab_html,start_num,end_num
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