24 lines
690 B
Python
24 lines
690 B
Python
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import pickle
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class Person:
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def __init__(self, name, age):
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self.name = name
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self.age = age
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if __name__ == '__main__':
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# 对于一般的程序来说,可以使用pickle作为对象的序列化器
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a = Person('a', 20)
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file = open("5.文件与IO/21.test.bin", 'wb')
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# 将序列化对象a写入file
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pickle.dump(a, file)
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file.close()
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file = open("5.文件与IO/21.test.bin", 'rb')
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# 从file读出序列化对象进行反序列化
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a = pickle.load(file)
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print(a.name, a.age)
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# 值得一提的是,正在运行的线程被pickle打断后,会保存当前的状态,
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# 当线程再次从文件中被读取,会继续之前的进度
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