08 Json结构化Datetime时间以及保留中文

1 import json
2 import datetime
3 
4 a = datetime.datetime.now()
5 print(a)
6 
7 b = json.dumps(a)
8 print(b)

TypeError: datetime.datetime(2017, 2, 5, 10, 27, 48, 155328) is not JSON serializable

class CJsonEncoder(json.JSONEncoder):
    def default(self, obj):
        #if isinstance(obj, datetime):
            #return obj.strftime(‘%Y-%m-%d %H:%M:%S‘)
        if isinstance(obj, datetime.date):
            return obj.strftime(‘%Y-%m-%d %H:%M:%S‘)
        else:
            return json.JSONEncoder.default(self, obj)

import json
import datetime

a = datetime.datetime.now()
print(a)

b = json.dumps(a,cls=CJsonEncoder)
print(b)

2017-02-05 10:29:05.308121
"2017-02-05 10:29:05"

final_json = json.dumps(list_json, sort_keys=True, indent=4, ensure_ascii=False)