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## 基于json实现类的实例化 ``` #!/usr/bin/env python # -*- encoding: utf-8 -*- ''' @File : garbage_test.py @Time : 2019/06/15 08:26:17 @Author : California Fruit @Desc : None ''' import json class Student(object): def __init__(self, name, age, score,reward): self.name = name self.age = age self.score = score self.reward = reward def json_2str(): data_json = {'name':'nick', 'age':12} json_str = json.dumps(data_json) print type(json_str), json_str def str_2json(): json_str = '{"age": 12, "name": "nick"}' json_class = json.loads(json_str) print type(json_class), json_class def class_2jsonStr(): stu = Student('Bob', 20, 88,["三好学生","优秀团干","最佳辩手"]) print json.dumps(obj=stu.__dict__,ensure_ascii=False) def jsonStr_2class(): def dict2student(d): return Student(d['name'], d['age'], d['score'],d['reward']) json_str = '{"name": "Bob", "age": 20, "score": 88, "reward": ["三好学生", "优秀团干", "最佳辩手"]}' student = json.loads(json_str,object_hook=dict2student) print(type(student)) print(student.name) if __name__ == "__main__": jsonStr_2class() ```