## 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()
```
