1 class BallForm(forms.ModelForm):
2 class Meta:
3 model = Ball
4 fields = ["color", "description"]
5
6 def clean_description(self):
7 description = self.cleaned_data['description']
8 if description == "123":
9 raise forms.ValidationError("hello boy")
10 return description
1 class Ball(models.Model):
2 color = models.OneToOneField("Colors")
3 description = models.CharField(u'描述', max_length=10)
4
5 def __unicode__(self):
6 return self.description
1 <!DOCTYPE html>
2 <html lang="en">
3 <head>
4 <meta charset="UTF-8">
5 <title>hello</title>
6 </head>
7 <body>
8 <p>hello</p>
9 <div class="panel panel-default">
10 <form method="post">
11 {% csrf_token %}
12
13 <p>{{ form.as_p }}</p>
14 <input class="btn btn-primary submit" type="submit" value="保存" />
15
16
17 </form>
18 </div>
19 </body>
20 </html>
