class user:
def init(self,name='abcdefg',password='1234567'):
#双下划线开头,隐藏变量
self.__name=name
self.__password=password
def getname(self):
return self.__name;
def setname(self,name):
if isinstance(name,str) and 4<= len(name) <=8:
self.__name = name
else:
print("无效用户名")
name=property(fget=getname,fset=setname);
@property
def getpwd(self):
return self.__password;
@getpwd.setter
def setpwd(self,password):
if isinstance(password,str) and 4 <= len(password) <= 8:
self.__password = password
else:
print("无效密码")
# password = property(fget=getpwd, fset=setpwd);
c=user()
c.name='a'
c.password='1'