Python__django Sub-page

To customize the paging class:

#!/usr/bin/env python#-*-coding:utf-8-*-#Created by Mona on 2017/9/20 fromDjango.utils.safestringImportMark_safeclassPaginator:" "the format of the page number depends on the bootstrap; Use case: from django.shortcuts import render,redirect,httpresponse from App01.mod Els Import * from Tools Import page Imports Def index (request): Base_url = Request.path_info Total _item_count = UserInfo.objects.all (). Count () current_page = Int (request. Get.get (' page ', 1)) Page_obj = page. Paginator (total_item_count,current_page,base_url) user_list = UserInfo.objects.all () [Page_obj.start:page_obj.en D] return render (Request, ' index.html ', {' user_list ': user_list, ' html_page ': Page_obj.pager})" "    def __init__(Self,total_item_count,current_page,base_url,
per_page_item_count=10,show_pager_count=11):        " ":p Aram Total_item_count: Total number of records:p Aram Current_page: Current page:p aram base_url: Prefix URL for page number:p Aram Per_page_item_count: Number of records displayed per page:p Aram Show_pager_count: Number of page numbers displayed" "Self.total_item_count=Total_item_count self.current_page=current_page Self.base_url=Base_url Self.per_page_item_count=Per_page_item_count Self.show_pager_count=Show_pager_count Total_page, res=Divmod (Self.total_item_count, Self.per_page_item_count)ifRes:total_page+ = 1Self.total_page=total_page Self.half_show_pager_count= Int (TOTAL_PAGE/2) @propertydefStart (self):" "page number query data start location: return:" "        return(self.current_page-1) *Self.per_page_item_count @propertydefEnd (self):" "end of page query data: return:" "        returnself.current_page*Self.per_page_item_count @propertydefPager (self):" "return the required front page number: return:" "page_list=[] UL='<ul class= "pagination" >'Page_list.append (UL)ifSelf.current_page = = 1: Prev='<li><a href= "#" > Prev </a></li>'        Else: Prev='<li><a href= "%s?page=%s" > Prev </a></li>'% (Self.base_url, self.current_page-1) page_list.append (prev)#If the data is particularly small:        ifSelf.total_page <Self.show_pager_count:pager_start= 1Pager_end= Self.total_page + 1Else:            ifSelf.current_page <=Self.half_show_pager_count:pager_start= 1Pager_end= Self.show_pager_count + 1Else:                ifSelf.current_page + Self.half_show_pager_count >Self.total_page:pager_start= Self.total_page-self.show_pager_count + 1Pager_end= Self.total_page + 1Else: Pager_start= Self.current_page-Self.half_show_pager_count pager_end= self.current_page + Self.half_show_pager_count + 1 forIinchRange (Pager_start, pager_end):ifi = =SELF.CURRENT_PAGE:TPL='<li class= "active" ><a href= "%s?page=%s" >%s</a></li>'%(Self.base_url, I, I,)Else: TPL='<li><a href= "%s?page=%s" >%s</a></li>'%(Self.base_url, I, I,) page_list.append (TPL)ifSelf.current_page = =Self.total_page:nex='<li><a href= "#" > Next </a></li>'        Else: Nex='<li><a href= "%s?page=%s" > Next </a></li>'% (Self.base_url, Self.current_page + 1,) Page_list.append (NEX) Lu='</ul>'Page_list.append (LU) html_page= Mark_safe ("'. Join (page_list))returnHtml_page

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Python__django Sub-page