class Student(object):
def __init__(self, name, gender):
self.name = name
self.__gender = gender
def get_gender(self):
return self.__gender
def set_gender(self,gender):
# 测试:
bart = Student('Bart','male')
if bart.get_gender()!= 'male':
print('测试失败!')
else:
bart.set_gender('female')
if bart.get_gender() != 'female':
print('测试成功!')
AttributeError: 'Student' object has no attribute 'get_gender'
你后面两个函数定义在第一个函数内部了,object检测不到后定义的两个特性
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不开心去喝水
class Student(object):
def __init__(self, name, gender):
self.name = name
self.__gender = gender
def get_gender(self):
return self.__gender
def set_gender(self,gender):
self.__gender = gender
# 测试:
bart = Student('Bart','male')
if bart.get_gender()!= 'male':
print('测试失败!')
else:
bart.set_gender('female')
if bart.get_gender() != 'female':
print('测试失败!')
else:
print('测试成功!')
if bart.get_gender()!= 'male':
AttributeError: 'Student' object has no attribute 'get_gender'