django 王中王3之优惠卷
作者：互联网
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： <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> <script type="text/javascript" src="/static/jquery-1.12.4.min.js"></script> </head> <body>
{% for i in favours %} <table > <tr> <td rowspan="2">{{ i.price }}</td> <td>满{{ i.t_price }}可用</td> {% if i.is_recommend == 0 %} <td><span id="{{ i.id }}"><button onclick="lingqu({{ i.id }})">立即领取</button></span></td> {% else %} <td><button onclick="yijing()">已经领取过</button></td> {% endif %} </tr> <tr> <td>仅可购买{{ i.shop }}的商品</td> </tr> </table> <hr> {% endfor %}
</body> <script type="text/javascript"> function lingqu(id) { $.ajax({ url:"/lingqu/", type: "post", dataType:"json", data:{'id':id}, success:function (res) { if(res.code == 200){ var fid = res.message
$('#'+fid).html('<button onclick="yijing()">已经领取过了</button>') } else { console.log(res) } } }) } function yijing() { alert('已经领取过了') }
</script> </html> login： <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> </head> <body> <form action="" method="post"> 账号: <input type="text" name="username"> 密码: <input type="text" name="password"> <button type="submit">提交</button> </form> </body> </html>
标签：models,request,优惠卷,id,user,path,import,django,王中王 来源： https://www.cnblogs.com/lhrd/p/10915064.html