Django使用数据库实现登录

 class   Users(models.Model):
    password  = models.CharField(max_length=100,verbose_name= ‘  用户名  ‘  )
    account  = models.CharField(max_length=100,verbose_name= ‘  密码  ‘  )

      def   __str__  (self):
          return  self.account

 

 

 

2.views.py

 

from django.shortcuts import render,HttpResponse
from management.models import Book,Image,Users

 
def   sign_up(request):
      elif  request.method ==  ‘  POST  ‘  :
        dengluaccount  = request.POST.get( ‘  denglumima  ‘ ,default= ‘‘  )
        denglupassword  = request.POST.get( ‘  dengluzhanghao  ‘ ,default= ‘‘  )
          print ( "  登录账号:  "  + denglupassword +  "  登录密码:  "  +  dengluaccount)
          if  dengluaccount !=  ‘‘  :
              if  denglupassword !=  ‘‘  :
                  #  password与account写反了 
                try  :
                   zh  = Users.objects.filter(password=denglupassword)   #   获取密码账号为deluaaccount的密码 
                    print  (zh[0])
                     if  str(zh[0]) ==  str(dengluaccount):
                         print ( "  登录成功  "  )
                 except  :
                     print ( "  登陆失败  "  )

              else  :
                  print ( "  密码不能为空  "  )
          else  :
              print ( "  账号不能为空  "  )
      return  HttpResponse(render(request,  ‘  login.html  ‘ ,{ "  Book_name  " :book_name}))

 

 

 

3.urls.py

 from  django.urls  import   path
  from  management  import   views

    path(  ‘  sign_up/  ‘ ,views.sign_up,name= ‘  sign_up  ‘ ),

 

 

4.from表单

 

 <  form   action  ="{% url ‘sign_up‘ %}"   method  ="POST"  >  
                    {% csrf_token %} 
     <  input   id  ="SearchBox"   type  ="text"   name  ="dengluzhanghao"   placeholder  ="密码"  /> 
　　  <  input   id  ="SearchBox"   type  ="text"   name  ="denglumima"   placeholder  ="账号"  /> 
     <  input   class  ="denglu"   type  ="submit"   value  ="登  录"   /> 
 </  form  > 

 

 

5.成功截图

 

 

密码输入错误

 

Django使用数据库实现登录

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