django 验证码

Django简单的验证码功能

依赖包

1	libz-dev libjpeg-dev libfreetype6-dev python-dev

一、下载包，把captcha复制到项目中

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

二、运行

1	pip  install   django-simple-captcha

三、添加到settings.py

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INSTALLED_APPS  =  [      'captcha' , ]

四、运行

1	python manage.py migrate

五、修改urls.py

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from  django.conf.urls  import  url,include urlpatterns  =  [ url(r '^captcha/' , include( 'captcha.urls' )), ]

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