使用pickle模块存储对象

时间：2022-09-01 08:14:16
import time

import hashlib

import pickle

import os

class Info():

    def __init__(self):

        self.create_time=time.time()

    def md5(self):

        m=hashlib.md5()

        m.update(str(self.create_time).encode('utf-8'))

        return m.hexdigest()

    def save(self):

        if not os.path.exists('md5'):

            os.mkdir('md5')

        os.chdir('md5')

        print(self.md5())

        with open(self.md5(),'wb') as f:

            pickle.dump(self,f)

    @staticmethod

    def read():

        path=r'C:\Users\Administrator\模块\md5'

        res=os.listdir(path)

        for item in res:

            file_path=r'%s\%s'%(path,item)

            # print(file_path)

            with open(file_path,'rb') as f:

                # print(f)

                try:

                    obj=pickle.load(f)

                except Exception as e:

                    pass

                print(obj.create_time)

i=Info()

print(i.md5())

i.save()

i.read()

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