views视图
def student(request):
# all_count 数据库总个数
all_count = models.UserInfo.objects.all().count()
#每页显示数据数
page_info = PageInfo(request.GET.get('page'),all_count,10,'student.html',11) //'student.html 配置url
user_list = models.UserInfo.objects.all()[page_info.start():page_info.end()]#传入数据
return render(request,'student.html',{'user_list':user_list,'page_info':page_info})
关键模板来了：
class PageInfo(object):
def __init__(self,current_page,all_count,per_page,base_url,show_page=11):
#current_page当前页
self.current_page = current_page
try:
self.current_page =int (current_page)
except Exception as e:
self.current_page =1
#per_page 每页显示总个数
self.per_page = per_page
a,b=divmod(all_count,per_page)
if b:
a=a+1
self.all_pager = a
self.show_page = show_page
self.base_url = base_url
def start(self):
return (self.current_page -1)*self.per_page
def end(self):
return self.current_page *self.per_page
def pager(self):
page_list=[]
harf =int((self.show_page-1)/2)
#如果数据总页数 < 11
if self.all_pager
begin =1
stop =self.all_pager+1
# 如果数据总页数 > 11
else:
#如果当前页<=5,永远显示1-11页
if self.current_page <= harf:
begin =1
stop =self.show_page+1
# 否则当前页>5,永远显示中间页
else:
# 如果当前页+5大于所有数据页数,永远显示最后一页
if self.current_page + harf>self.all_pager:
begin =self.all_pager -self.show_page+1
stop =self.all_pager +1
else:
begin =self.current_page - harf
stop =self.current_page+harf+1
if self.current_page <=1:
prev ="<li><a href='#'>上一页</a></li>"
else:
prev ="<li><a href='%s?page=%s'>上一页</a></li>" %(self.base_url,self.current_page-1,)
page_list.append(prev)
for iin range(begin,stop):
if i ==self.current_page:
temp ="<li class='active'><a href='/%s?page=%s'>%s</a></li>" %(self.base_url,i, i,)
else:
temp ="<li><a href='/%s?page=%s'>%s</a></li>" % (self.base_url, i, i,)
page_list.append(temp)
if self.current_page >=self.all_pager:
nex ="<li><a href='#'>下一页</a></li>"
else:
nex ="<li><a href='%s?page=%s'>下一页</a></li>" % (self.base_url,self.current_page +1,)
page_list.append(nex)
return ''.join(page_list)
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