Django Page Paging function, if you have questions, please leave a message

URL file

 from Import Admin  from Import URL  from Import     = [url (r ' ^user_list ', views.user_list)]     

To views file

defuser_list (Request): Pagesizenumber= Request. Cookies.get ('Pagesizenumber', 10)#Gets the key (' Pagesizenumber ') passed by the cookie, which defaults to ten .Current_number = Request. Get.get ('P', 1)#get the front end a? p = value, this is the current page numberOne_page_number = 11#number of pages displayed per pagePagefi =pagenation. Page (List, Pagesizenumber, Current_number, One_page_number) #生成类 (Show_page, List_page)=pagefi.page_str () #返回两个参数returnRender (Request,'user_list.html', {'Show_page': Show_page,'List_page': List_page})

For the above pagenation. Page in the page.py file

 fromDjango.utils.safestringImportMark_safeclassPage:def __init__(Self, List, Pagesizenumber, current_number, One_page_number = 11):        #List Enter the incoming data, pagesizenumber the amount of data displayed per page, current_number the current page number, One_page_number: Number of pages per page, by defaultSelf.pagesizenumber =Pagesizenumber Self.current_number=Current_number Self.one_page_number=One_page_number Self. List=List @propertydefPage_number (self): Self.one_math_number=Int (self.pagesizenumber) Page_number, v= Divmod (len (self). List), Self.one_math_number)#Page_number Total page number, calculate the total number of pages required        returnPage_number @propertydefshow_page (self): Self.current_number= Int (self.current_number)#Current Page CountSelf.one_math_number =Int (self.pagesizenumber) Page_number, v= Divmod (len (self). List), Self.one_math_number)#calculate the total number of pages needed        ifV >0:page_number+ = 1#if greater than 1, page number +1Show_page = self. list[(self.current_number-1) * Self.one_math_number:self.current_number * Self.one_math_number]#the number of pages displayed in        returnShow_pagedefpage_str (self): List_page=[] Self.current_number=Int (self.current_number) Self.one_math_number=Int (self.pagesizenumber) Self.one_page_number=Int (self.one_page_number)ifSelf.page_number < self.one_page_number:#total number of pages is less than page numberStart_page = 1End_page= Int (self.page_number) + 1Else:#total number of pages is greater than single page number            ifSelf.current_number <= Int ((Self.one_page_number + 1)/2):#The current page number is less than the middle of a page numberStart_page = 1End_page= Int (self.one_page_number) + 1Print(start_page)Print(end_page)elifSelf.page_number-int ((self.one_page_number-1)/2) > Self.current_number >Int ((Self.one_page_number+ 1)/2):#The current number of pages is greater than the number of page numbers in the middle of the total page number -one page number middle #开始发生变化start_page = Int (Self.current_number-(Self.one_page_number)-1)/2) End_page= Int (Self.current_number + ((self.one_page_number) + 1)/2)            Else: Start_page= Self.page_number-self.one_page_number#Current page number is greater than total page number-the middle of a single page numberEnd_page = Self.page_number + 1#Previous Page button        ifSelf.current_number = = 1: x= ("<a class= ' paging active ' href= ' # > Prev </a>")        Else: x= ("<a class= ' paging active ' href= '/user_list/?p=%s ' > prev </a>"% (self.current_number-1,)) List_page.append (x)#Add a tag         forIinchRange (Start_page, end_page):ifi = =self.current_number:x= ("<a class= ' paging active ' href= '/user_list/?p=%s ' >%s</a>"%(i, i))Else: x= ("<a class= ' paging ' href= '/user_list/?p=%s ' >%s</a>"%(i, I)) list_page.append (x)#Next Page button        ifSelf.current_number = =self.page_number:x= ("<a class= ' paging active ' href= ' # ' > Next </a>")        Else: x= ("<a class= ' paging active ' href= '/user_list/?p=%s ' > next </a>"% (Self.current_number + 1,)) List_page.append (x) x=" "<input type= "text" ><a onclick = ' Jumpto (this, "/user_list/?p=") ';>go</a> <script> function Jumpto (ths, base) {var val = Ths.previousSibling.valu                         E                    Location.href = base + val; } </script>" "        #Ths.previousSibling.value Find the value of the input above it        #Location.href = base + val Jump        #x = " "        #<input type= ' text ' ><a onclick= ' Jumpto (This, "/user_list/?p=") ';>go</a>        #<script>        #function Jumpto (ths,base) {        #var val = ths.previousSibling.value;        #Location.href = base + val;        #      }        #</script>        #" "list_page.append (x) list_page="'. Join (List_page)Print(list_page) list_page=Mark_safe (list_page)returnSelf.show_page, List_page

For user_list.html files

<! DOCTYPE html>"en">"UTF-8"> <title>Title</title> <style>. Pagination. paging{padding:5px;            margin:5px; Background-Color:aqua;        Color:white; }. Pagination. paging.active{background-color:red;        Color:white; }    </style>         {% forIinchShow_page%}             <li>{{I}}</li>         {% ENDFOR%}     </ul>{#{% for I in List_page%}#}{#<a class= ' paging ' href= "/user_list/?p={{i}}" >{{I}}</a>#}{#{% endfor%}#}<divclass= pagination>{{List_page}}</div>{#onchange Detection Change #}<select ID ='I1'Onchange="Changepagesize (This)"> <option value="Ten">10</option> <option value=" -">30</option> <option value=" -">50</option> <option value=" -">100</option> </select><script src ='/static/jquery-3.3.1.js'></script><script src="/static/jquery.cookie.js"></script><script>{#As soon as the file comes in, get the Pagesizenumber value, change the values, the initial value is 10#}$ (function () {var v= $.cookie ('Pagesizenumber'); if(v) {$('#i1'). Val (v);} Else{$('#i1'). Val (10)}    }); function Changepagesize (ths) {var v=$ (THS). Val (); $.cookie ('Pagesizenumber', V, {path:'/user_list/'}); Location.reload (); {#Refresh implementation Jump #}    }</script></body>
Django Page Paging function, if you have questions, please leave a message