扩展JSON

from django.shortcuts import render
# Create your views here.
# json扩展：支持时间序列化
import json
from datetime import datetime
from datetime import date

class JsonCustomEncoder(json.JSONEncoder):
    def default(self, value):
        if isinstance(value, datetime):
            return value.strftime('%Y-%m-%d %H:%M:%S')
        elif isinstance(value, date):
            return value.strftime('%Y-%m-%d')
        else:
            return json.JSONEncoder.default(self, value)

v = models.Server.objects.values('id', 'hostname', 'create_time')
data = json.dumps(list(v), cls=JsonCustomEncoder)