Serialize Python object to file

"""
类似java对象序列化到文件
Python完美实现
"""

import pickle


# 写对象到文件

class Person(object):
    def __init__(self, name, age, address):
        self.name = name
        self.age = age
        self.address = address

    def eat(self):
        print('吃')

    def drink(self):
        print('喝')

    def sleep(self):
        print('睡')


person = Person('zhangsan', 18, 'sz')
print(person, person.name, person.age, person.address)  # <__main__.Person object at 0x0000000002680198> zhangsan 18 sz

file = open(__file__ + '.bin', 'wb')
pickle.dump(person, file)
file.close()

# 读取对象
file = open(__file__ + '.bin', 'rb')
obj = pickle.load(file)
print(obj, type(obj), obj.name, obj.age, obj.address)  # <__main__.Person object at 0x000000001223E7F0> zhangsan 18 sz
obj.eat()  # 吃
obj.drink()  # 喝
obj.sleep()  # 睡
file.close()