我是django的新手,如何在提交表单(例如)时获取客户模型的ID
john正在提交预订表格,我要在客户注册表格时自动让谁提交预订。意思是链接将发送给客户进行预订。在预订时,我想自动为预订初始化客户。表示约翰预定了汽车,并详细说明了他何时需要预订汽车。
模型
2
观看次数
class Booking(models.Model):
class Meta():
db_table = "booking"
verbose_name = "Booking"
verbose_name_plural = "Bookings"
ordering = ['-booking_date']
booking_car_car = models.ForeignKey(
Car,
on_delete=models.CASCADE,
related_name='booking_car_car_key'
)
booking_customer_customer = models.ForeignKey(
Customer,
on_delete=models.CASCADE,
related_name='booking_customer_customer'
)
booking_start_date = models.DateField(
blank=False,
null=False
)
booking_end_date = models.DateField(
blank=False,
null=False
)
booking_total_price = models.IntegerField(
blank=False,
null=False
)
booking_approved = models.NullBooleanField(
blank=True,
null=True
)
booking_date = models.DateTimeField(
auto_now_add=True,
blank=False,
null=False
)
def __str__(self):
return self.booking_customer_customer.customer_firstname
class Customer(models.Model):
first_name = models.CharField(max_length=64,null= False)
last_name = models.CharField(max_length=64)
customer_age = models.IntegerField(blank=True, null=True)
last_name = models.CharField(blank=True, max_length=100)
license_year = models.IntegerField(blank=False, null=False)
tlc_number = models.IntegerField(blank=False ,null=False)
contact_num =models.IntegerField(blank=False, null=False)
contact_email = models.EmailField(blank =False)
def __str__(self):
return self.first_name
有人可以帮助我提供代码,因为我没有得到预订的客户。所有客户都在其中显示商品,我不希望该下拉菜单我希望自动选择