django-simple-captcha 验证码插件

官方文档：http://django-simple-captcha.readthedocs.io/en/latest/usage.html#installation

github：https://github.com/mbi/django-simple-captcha

安装部署

版本：django 1.9 

pip install  django-simple-captcha==0.4.6

• settings.py配置，加入captcha

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'captcha',
]

• urls.py配置

加入url(r'^captcha/', include('captcha.urls')),

from django.conf.urls import url, include
from django.contrib import admin

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

• 数据库同步

makemigrations
migrate

应用场景

• form定义

app下自定义froms.py文件，创建一个注册form

from django import forms
from captcha.fields import CaptchaField

class RegisterForm(forms.Form):
    email = forms.EmailField(required=True)
    password = forms.CharField(required=True, min_length=5)
    captcha = CaptchaField(error_messages={"invalid": u"验证码错误"})

• views.py代码

from django.views.generic.base import View

class RegisterView(View):

    def get(self, request):
        register_form = RegisterForm()
        return render(request, "register.html", {"register_form": register_form})

• html页面引用

{{ register_form.captcha }}