pickle--什么类型均可以转换成字符串spa
# pickle 什么类型均可以转成字符串
import pickle class MyCity: name = 'cd' city = MyCity() result = pickle.dumps(city)# 把对象转成字符串
print(result) # 结果是b'\x80\x03c__main__\nMyCity\nq\x00)\x81q\x01.'
# 把字符串转成它本身的类型
city2 = pickle.loads(b'\x80\x03c__main__\nMyCity\nq\x00)\x81q\x01.') print(city2.name)#转成了对象,因此有对象对应的属性