django 验证码

Django简单的验证码功能

依赖包

libz-dev libjpeg-dev libfreetype6-dev python-dev

一、下载包，把captcha复制到项目中
https://github.com/mbi/django-simple-captcha

二、运行

pip install  django-simple-captcha

三、添加到settings.py

INSTALLED_APPS = [
'captcha',
]

四、运行

python manage.py migrate

五、修改urls.py

from django.conf.urls import url,include
urlpatterns = [
url(r'^captcha/', include('captcha.urls')),
]

六、修改form
form.py 添加captcha

from captcha.fields import CaptchaField
class LoginForm(forms.Form):
username = forms.CharField(label='用户名',widget=forms.TextInput(attrs={"placeholder": "用户名", "required": "required",}),
max_length=50, error_messages={"required": "username不能为空",})
password = forms.CharField(label='密码',widget=forms.PasswordInput(attrs={"placeholder": "密码", "required": "required",}),
max_length=20, error_messages={"required": "password不能为空",})
captcha = CaptchaField(label='验证码')

def clean(self):
#验证码
try:
captcha_x = self.cleaned_data['captcha']
except Exception as e:
print ('except: ' + str(e))
raise forms.ValidationError(u"验证码有误，请重新输入")

本文出自 “银狐” 博客，请务必保留此出处http://foxhound.blog.51cto.com/1167932/1828510