框架信息分页显示

hosts=['172.25.254.'+str(i) for i in range(101)]
class Page(object):
    def __init__(self,current_page,per_items):
        self.__current_page =current_page
        self.__per_items=per_items


    @property
    def start(self):
        val=(self.__current_page-1)*self.__per_items
        return val
    @property
    def end(self):
        val =self.__current_page*self.__per_items
        return val

p = Page( 1,5)
print hosts[p.start:p.end]

—->>结果

['172.25.254.0', '172.25.254.1', '172.25.254.2', '172.25.254.3', '172.25.254.4']