from dataclasses import dataclass,asdict
import json
@dataclass()
class Student:
id:int
name:str
cpa:float
addr:str
# 序列化
# p = Student(1,"小强",3.6,"河南郑州市")
# p_dic = asdict(p,)
#
# with open("data.json","w",encoding='utf8') as f:
# f.write(json.dumps(p_dic,ensure_ascii=False))
#反序列化
with open("data.json","r",encoding='utf8') as f:
json_dic = json.loads(f.read())
stu = Student(**json_dic)
print(stu)