django 自定義html5,Django自定義分頁功能的實作

def query(request):

"""

current_page:目前頁碼，預設第一頁

line_num:每頁顯示的行數，預設10行

table_line_count:總行數

page_count：總頁數

display_page_num_count:顯示的頁數位标簽總個數，預設10個

"""

current_page = int(request.GET.get('p',1))

line_num = int(request.COOKIES.get("per_page_line_num",10))

table_line_count=tablename.objects.count()            ####統計表總行數,tablename指資料庫中的表，根據實際修改

display_page_num_count=10

####求總頁數

a,b=divmod(table_line_count,line_num)      ####求除數和餘數，例如divmod(5,1)=(1,1)

if b>0:

page_count=a+1

else:

page_count = a

"""

first_page:首頁

last_page:尾頁

prev_page:上一頁

next_page:下一頁

first_display_page_num:第一個顯示的頁碼

last_display_page_num:最後一個顯示的頁碼

"""

first_page = "%s" % (1, "首頁")

last_page = "%s" % (page_count, "尾頁")

if current_page-1==0:

prev_page="%s" % (current_page, "上一頁")

else:

prev_page="%s" % (current_page-1, "上一頁")

if current_page==page_count:

next_page="%s" % (current_page, "下一頁")

else:

next_page="%s" % (current_page+1, "下一頁")

page_str=""

page_str+=first_page

page_str+=prev_page

if page_count<=display_page_num_count:

first_display_page_num = 1

last_display_page_num = page_count + 1

else:

# 總頁數大于10頁(隻顯示10個頁數标簽)

#    如果目前頁數《=5

#        顯示1-10頁數标簽

#    如果目前頁數x》5

#        顯示 x-4到x+5頁數标簽

#    如果目前頁數x》總頁數-5

#        顯示 總頁數-9 到總頁數之間的标簽

if current_page_num<=5:

first_display_page_num=1

last_display_page_num=display_page_num_count

elif 5

first_display_page_num=current_page_num-5+1

last_display_page_num=current_page_num+5

else:

first_display_page_num=page_count-5-5+1

last_display_page_num=page_count

for i in range(first_display_page_num, last_display_page_num):

if i == current_page:

page_str += "%s" % (i, i)

else:

page_str += "%s" % (i, i)

page_str += next_page

page_str += last_page

page_str = mark_safe(page_str)

response = render(request, 'query.html', locals())

response.set_cookie("per_page_line_num",line_num,path='/query/')  ####設定每頁顯示的行數

return response