Django简单的验证码功能
依赖包
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libz-dev libjpeg-dev libfreetype6-dev python-dev
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一、下载包，把captcha复制到项目中
https://github.com/mbi/django-simple-captcha
二、运行
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pip
install
django-simple-captcha
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三、添加到settings.py
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INSTALLED_APPS
=
[
'captcha'
,
]
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四、运行
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python manage.py migrate
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五、修改urls.py
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from
django.conf.urls
import
url,include
urlpatterns
=
[
url(r
'^captcha/'
, include(
'captcha.urls'
)),
]
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六、修改form
form.py 添加captcha
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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"
)
本文转自银狐博客51CTO博客，原文链接http://blog.51cto.com/foxhound/1828510如需转载请自行联系原作者 战狐
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