文件上传时的最大图片大小
我的表单中有一个ImageField。我将如何实施文件大小的最小值/最大值,例如-
image = forms.ImageField(max_size = 2MB)
要么
image = forms.ImageField(min_size = 100k)
谢谢。
回答:
models.py
class Product(models.Model): image = models.ImageField(upload_to="/a/b/c/")
forms.py
class ProductForm(forms.ModelForm): # Add some custom validation to our image field
def clean_image(self):
image = self.cleaned_data.get('image', False)
if image:
if image._size > 4*1024*1024:
raise ValidationError("Image file too large ( > 4mb )")
return image
else:
raise ValidationError("Couldn't read uploaded image")
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