import logging
from django.db import models
from django.db.models.signals import pre_save
from django.dispatch import receiver
 
class Order(models.Model):
  # ...
 
logger = logging.getLogger(__name__)
 
@receiver(pre_save, sender=Order)
def pre_save_handler(sender, **kwargs):
  
  # 我们可以在Order这个Model保存之前尽情调戏了：）
  logger.debug("{}".format(sender, **kwargs))
  print 'fuck universe'

  def post(self, request, ab=None, all_seat=None):

    # 获取用户信息
    date = request.POST.get('date')
    time = request.POST.get('time')

seatform = SeatForm(request.POST)
          # 提交给数据库
          #这里的is_valid()是Django默认的，检查是否正确
        if seatform.is_valid():
          # 这里向数据库新增一条信息，然后保存
          getSeat = Seat.objects.create(dateTime=date, classtime=time, status='0', user=name, number=label)
          getSeat.save()

class SeatForm(forms.Form):
#注意这里的date和time需要与前端的命名要一直
  date = forms.CharField()
  time = forms.CharField()