分页第二版：

from django.utils.safestring import mark_safeclass Pagination(object):    def __init__(self, current_page, data_count, per_page_count=10, pager_num=7):        try:            self.current_page = int(current_page)        except Exception as e:            self.current_page = 1        self.data_count = data_count        self.per_page_count = per_page_count        self.pager_num = pager_num    @property    def start(self):        return (self.current_page - 1) * self.per_page_count    @property    def end(self):        return self.current_page * self.per_page_count    @property    def total_count(self):        v, y = divmod(self.data_count, self.per_page_count)        if y:            v += 1        return v    def page_str(self, base_url):        page_list = []        if self.total_count < self.pager_num:            start_index = 1            end_index = self.total_count + 1        else:            if self.current_page <= (self.pager_num + 1) / 2:                start_index = 1                end_index = self.pager_num + 1            else:                start_index = self.current_page - (self.pager_num - 1) / 2                end_index = self.current_page + (self.pager_num + 1) / 2                if (self.current_page + (self.pager_num - 1) / 2) > self.total_count:                    end_index = self.total_count + 1                    start_index = self.total_count - self.pager_num + 1        if self.current_page == 1:            prev = '
上一页
'        else:            prev = '
上一页
' % (base_url, self.current_page - 1,)        page_list.append(prev)        for i in range(int(start_index), int(end_index)):            if i == self.current_page:                temp = '
%s
' % (base_url, i, i)            else:                temp = '
%s
' % (base_url, i, i)            page_list.append(temp)        if self.current_page == self.total_count:            nex = '
下一页
'        else:            nex = '
下一页
' % (base_url, self.current_page + 1,)        page_list.append(nex)        # jump = """        # GO        #         # """ % (base_url,)        #        # page_list.append(jump)        page_str = mark_safe("".join(page_list))        return page_str

 

 

 

 

第一次在码云上面分享代码片段，记录一下：

https://gitee.com/trunkslisa/codes/14gkxi3zf9e2ulbvjnqyo90

 

 

class Pagination(object):    def __init__(self, totalCount, currentPage, perPageNum=20, maxPageNum=7):        # 传入：        # -所有数据的个数 totalCount        self.totalCount = totalCount        # -当前页       currentPage        try:            v = int(currentPage)            if v < 0:                v = 1            self.currentPage = v        except Exception as e:            self.currentPage = 1        # -每页显示？？行 perPageNum        self.perPageNum = perPageNum        # -最多显示？？页 maxPageNum        self.maxPageNum = maxPageNum    # 开始条数    def start(self):        return (self.currentPage - 1) * self.perPageNum    # 结束条数    def end(self):        return self.currentPage * self.perPageNum    # 总页数    # 采用这个装饰器以后，本来需要用self.num_pages()这个方法的，后面的括号可以不用写了    @property    def num_pages(self):        # 取余数，不等于0的+1        a, b = divmod(self.totalCount, self.perPageNum)        if b == 0:            return a        return a+1    # 根据情况生成相应的页码list    def pager_num_range(self):        # range应该根据当前页动态生成,自定制显示数量        # 代指当前页           #self.current_page        # 最多显示的页码数量     #self.per_page_num        # 总页数              #self.num_pages        # 判断一下传入的页码是否大于总页数        if self.currentPage > self.num_pages:            self.currentPage = self.num_pages        # 总页数小于当前页        if self.num_pages < self.currentPage:            return range(1, self.num_pages+1)        # 总页数有很多        part = int(self.maxPageNum/2)    #拿到显示总数量的一半        if self.currentPage <= part:            return range(1, self.maxPageNum+1)        # 判断当前页+part大于最后一页,显示最后一页至最后一页往前的per_pager_num的数量+1        if (self.currentPage + part) > self.num_pages:            return range(self.num_pages - self.maxPageNum + 1, self.num_pages+1)        return range(self.currentPage - part, self.currentPage + part + 1)    def page_str(self):        page_list = []        #首页        first = '
首页
'        page_list.append(first)        #增加上一页        if self.currentPage == 1:            prev = '
上一页
'        else:            prev = '
上一页
' % (self.currentPage - 1)        page_list.append(prev)        #增加页码        for i in self.pager_num_range():            #给当前页做特殊标识            if i == self.currentPage:                temp = '
%s
' %(i)            else:                temp = '
%s
' %(i,i)            page_list.append(temp)        #增加下一页        if self.currentPage >= self.num_pages:            nex = '
下一页
'        else:            nex = '
下一页
' %(self.currentPage + 1)        page_list.append(nex)        #增加尾页        last = '
尾页
' %(self.num_pages)        page_list.append(last)        return ''.join(page_list)

from app01.pager import Paginationfrom django.shortcuts import renderfrom django.core.paginator import Paginator, EmptyPage, PageNotAnIntegerUSER_LIST = []for i in range(1, 666):    temp = {
    'name': 'root' + str(i), 'age': i}    USER_LIST.append(temp)def index(request):        current_Page = request.GET.get('p')    #这里的666是个模拟数据，实际使用中应用实际数量替换该位置    page_obj = Pagination(666, current_Page)    #这里的USER_LIST是自己创建的模拟数据，主要为页面展示使用    data_list = USER_LIST[page_obj.start():page_obj.end()]    return render(request, 'index3.html', {
    'data': data_list, 'page_obj': page_obj})

    
              
      
      
           {
     % for row in data %}        
       
{
    { row.name}}-{
    { row.age }}
    {
     % endfor %}
      
      
    
       
                {
     { page_obj.page_str|safe }}