我想基于name
字段为file
字段生成一个值。
class Files(models.Model):
name = models.CharField(max_length=100, blank=True, null=True)
file = models.FileField(
upload_to=settings.RAW_IMAGE_UPLOAD_PATH,
null=True,
max_length=500
)
def name(self):
return os.path.basename(self.file.name)
def __str__(self):
return self.name
进行一些序列化/反序列化时我不成功。
答案 0 :(得分:1)
如果要为要上传的文件添加名称。
class Files(models.Model):
name = models.CharField(max_length=100, blank=True, null=True)
file = models.FileField(
upload_to=settings.RAW_IMAGE_UPLOAD_PATH,
null=True,
max_length=500
)
def save(self, *args, **kwargs):
if self.name is None or self.name == '':
self.name = os.path.basename(self.file)
super().save(*args, **kwargs)