from abc import ABCMeta, abstractmethod
# 抽象处理者
class Handler(metaclass=ABCMeta):
@abstractmethod
def handle_leave(self, day):
pass
# 具体处理者
class GeneralManager(Handler):
def handle_leave(self, day):
if day < 10:
print('总经理准假%d' % day)
else:
print('你还是辞职吧')
# 具体处理者
class DepartmentManager(Handler):
def __init__(self):
self.next = GeneralManager()
def handle_leave(self, day):
if day <= 5:
print('部门经理准假%d天' % day)
else:
print('部门经理职权不足')
self.next.handle_leave(day)
# 具体处理者
class ProjectDirector(Handler):
def __init__(self):
self.next = DepartmentManager()
def handle_leave(self, day):
if day <= 3:
print('项目主管准假%d天' % day)
else:
print('项目主管职权不足')
self.next.handle_leave(day)
# 客户端
day = 10
p = ProjectDirector()
p.handle_leave(day)