github详情：
http://django-simple-captcha.readthedocs.io/en/latest/usage.html
pip install django-simple-captcha==0.4.6
将captcha添加到setting的app中：
以下添加到urls中：
计算
安全
数据库
网络和加速
企业服务
url(r'^captcha/', include('captcha.urls')),register.html中，调入下面：
{{ register_from.captcha }}自动生成验证码图片和input输入框
# 验证码from captcha.fields import CaptchaField# form对注册表单的验证class RegisterForm(forms.Form):
email = forms.EmailField(required=True)
password = forms.CharField(required=True, min_length=5)
# 验证码,参数：错误信息
captcha = CaptchaField(error_messages={'invalid': '验证码错误啊'})# 密码加密 from django.contrib.auth.hashers import make_passwordclass RegisterView(View):
def get(self, request):
register_from = RegisterForm() return render(request, "register.html", {'register_from': register_from}) def post(self, request):
register_from = RegisterForm(request.POST) if register_from.is_valid():
user_name = request.POST.get('username', '')
pass_word = request.POST.get('password', '')
user_profile = UserProfile()
user_profile.username = user_name
user_profile.password = pass_word # 对密码加密
user_profile.password = make_password(pass_word)
user_profile.save() # 保存到数据库
pass return render(request, "register.html", {'register_from': register_from})在</form>前添加：
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