django captcha插件， 集成验证码

文档地址：https://django-simple-captcha.readthedocs.io/en/latest/

1、安装

pip install  django-simple-captcha==0.4.6

2、Add captcha to the INSTALLED_APPS in your settings.py

3、加入到路由之中

urlpatterns += [
    url(r'^captcha/', include('captcha.urls')),
]

4、生成数据表， makemigrations 、migrate

5、定义Form

To embed a CAPTCHA in your forms, simply add a CaptchaField to the form definition:

from django import forms
from captcha.fields import CaptchaField

class CaptchaTestForm(forms.Form):
    myfield = AnyOtherField()
    captcha = CaptchaField()