使用pickle模块存储对象

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()