github詳情：
http://django-simple-captcha.readthedocs.io/en/latest/usage.html
安裝：
pip install django-simple-captcha==0.4.6
將captcha添加到setting的app中：
以下添加到urls中：
url(r'^captcha/', include('captcha.urls')),register.html中，調入下面：
{{ register_from.captcha }}自動生成驗證碼圖片和input輸入框
forms.py
# 驗證碼from captcha.fields import CaptchaField
# form對註冊表單的驗證class RegisterForm(forms.Form):
email = forms.EmailField(required=True)
password = forms.CharField(required=True, min_length=5)
# 驗證碼,參數：錯誤信息
captcha = CaptchaField(error_messages={'invalid': '驗證碼錯誤啊'})view.py
# 密碼加密 from django.contrib.auth.hashers import make_password
class 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 # 對密碼加密
user_profile.password = make_password(pass_word)
user_profile.save() # 保存到數據庫
pass return render(request, "register.html", {'register_from': register_from})若遇到403錯誤：
在</form>前添加：
{% csrf_token %}