简单写一下多对多查询
model 不是多对多的字段我就没写上来的
class Tag(models.Model):
name = models.CharField(max_length=20,verbose_name='标签')
add_time = models.DateField(default=datetime.now)
class Meta:
verbose_name = '标签'
verbose_name_plural = verbose_name
def __str__(self):
return self.name
class Post(models.Model):
tag = models.ManyToManyField(Tag,verbose_name="标签",null=True,blank=True,related_name='tags')
add_time = models.DateField(default=datetime.now)
class Meta:
verbose_name = "文章"
verbose_name_plural = verbose_name
def __str__(self):
return self.name
class Tag(
