getSet方法

class Person():
    def __init__(self, name, age):
        # 公有属性
        self.name = name
        # 私有属性
        self.__age = age

    # get方法 ： 取值  有返回值
    def getAge(self):
        return self.__age
    # set方法 ： 赋值   函数有形参
    def setAge(self, age):
        if age < 0:
            self.__age = 0
        else:
            self.__age = age
    def getName(self):
        return self.name
    def setName(self, name):
        if name == "123":
            name = "lalalala"
        self.name = name


#
per1 = Person("曾黎", 12)
print(per1.name)
print(per1.getAge())
per1.setAge(-20)
print(per1.getAge())

print(per1.getName())
per1.setName("123")
print(per1.name)