django 王中王3之优惠卷

setting：

STATIC_URL = '/static/'

STATICFILES_DIRS = [

os.path.join(BASE_DIR, 'static'),

]

UPLOAD_ROOT = os.path.join(BASE_DIR,'upload')

 

 

主urls：

from django.contrib import admin

from django.urls import path,include

urlpatterns = [

path('admin/', admin.site.urls),

path('',include('web.urls'))

]

 

 

 

副urls：

from django.urls import path

from web import views

urlpatterns = [

path('', views.index),

path('login/', views.login),

path('lingqu/', views.lingqu),

]

 

models：

from django.db import models

# Create your models here.

class Favour(models.Model):

price = models.DecimalField(max_digits=5,decimal_places=2)

t_price = models.DecimalField(max_digits=5,decimal_places=2)

is_recommend = models.IntegerField(default=0)

shop = models.CharField(max_length=20)

class User(models.Model):

account = models.CharField(max_length=30)

password = models.CharField(max_length=30)

class User_favour(models.Model):

user = models.ForeignKey(User,on_delete=models.CASCADE)

favour = models.ForeignKey(Favour,on_delete=models.CASCADE)

 

 

 

 

 

views：

from django.shortcuts import render,redirect

from django.http import HttpResponse

from web import models

import json

import re

# Create your views here.

def index(request):

user_id = request.session.get('user_id')

favours = models.Favour.objects.all()

return render(request,'index.html',locals())

def login(request):

if request.method == 'POST':

username = request.POST.get('username')

password = request.POST.get('password')

if all([username,password]):

u1 = models.User.objects.filter(account=username,password=password).first()

ret = re.match(r"1[35678]\d{9}", username)

if ret:

if u1:

request.session['user_id'] = u1.id

return redirect('/')

else:

return HttpResponse('账号密码不正确')

else:

return HttpResponse('手机号格式不对')

else:

return HttpResponse('不能为空')

return render(request,'login.html')

def lingqu(request):

if request.method == 'POST':

id = request.POST.get('id')

user_id = request.session.get('user_id')

print(id,user_id)

mes = {}

if user_id:

f = models.Favour.objects.filter(id = id).first()

f.is_recommend = 1

f.save()

models.User_favour.objects.create(user_id = user_id,favour_id = id)

print(f.id)

mes['code'] = 200

mes['message'] = f.id

return HttpResponse(json.dumps(mes))

else:

return redirect('/login/')

 

 

 

 

 

 

 

 

html：

index：

{% for i in favours %}

{% if i.is_recommend == 0 %}

{% else %}

{% endif %}

{{ i.price }}	满{{ i.t_price }}可用	立即领取	已经领取过
	仅可购买{{ i.shop }}的商品

---

{% endfor %}

 

 

 

 

 

 

 

login：

账号:

密码:

提交

 

 

 

 

 

 

 

 

 

 

 

转载于:https://www.cnblogs.com/lhrd/p/10915064.html