自定义时间序列化转换器

import json

from json import JSONEncoder

from datetime import datetime

class ComplexEncoder(JSONEncoder):

    def default(self, obj):

        if isinstance(obj, datetime):

            return obj.strftime('%Y-%m-%d %H:%M:%S')

        else:

            return super(ComplexEncoder,self).default(obj)

d = { 'name':'alex','data':datetime.now()}

print(json.dumps(d,cls=ComplexEncoder))

# {"name": "alex", "data": "2018-05-18 19:52:05"}

import json

a=json.dumps({"ddf":"你好"},ensure_ascii=False)

print(a) #{"ddf": "你好"}