django项目

pip install -i https://pypi.tuna.tsinghua.edu.cn/simple django==2.2.3
pip install -i https://pypi.tuna.tsinghua.edu.cn/simple mysqlclient

项目:

django-admin startprojects app
cd app
python manage.py runserver 端口号

settings.py

SESSION_ENGINE = 'django.contrib.sessions.backends.cache' # session保存的引擎
DATABASES = {
    'default': {
        # 'ENGINE': 'django.db.backends.sqlite3',
        #         # 'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
        'ENGINE': 'django.db.backends.mysql',
        'NAME': "hhdb",
        'HOST':"127.0.0.1",
        'PORT':"3306",
        'USER':"root",
        'PASSWORD':"123456",
    }
}
INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'tests',
]
MIDDLEWARE = [
    'django.middleware.security.SecurityMiddleware',
    'django.contrib.sessions.middleware.SessionMiddleware',
    'django.middleware.common.CommonMiddleware',
    'django.middleware.csrf.CsrfViewMiddleware',#这行可以注释
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    'django.contrib.messages.middleware.MessageMiddleware',
    'django.middleware.clickjacking.XFrameOptionsMiddleware',
]

urls.py

from django.contrib import admin
from django.urls import path,include

urlpatterns = [
    path('admin/', admin.site.urls),
    path('',include("tests.urls")),
]

应用
urls.py

from django.contrib import admin
from django.urls import path
from . import views
urlpatterns = [
  path('',views.index),
  path('show',views.show),
  path('deletecord',views.deletecord),
]

view.py

from django.shortcuts import render,redirect
from django.http import  HttpResponse
from . import models
# Create your views here.
def index(request):
    if request.method=="POST":
        aname=request.POST.get("aname")
        apass=request.POST.get("apass")
        request.session["aname"]=aname
        result=models.AdminInfo.objects.filter(aname=aname,apass=apass)
        if result:
            return redirect("/show")
        else:
            return render(request,"index.html",{"msg":"用户名或密码错误"})
    return render(request,"index.html")

def show(request):
    result=models.ProductInfo.objects.all()
    return render(request,"show.html",{"result":result})


def deletecord(request):
    id=request.GET.get("id")
    print(id)
    pro=models.ProductInfo.objects.get(ID=id)
    pro.delete()
    return HttpResponse("ok")

model.py

from django.db import models

# Create your models here.
class AdminInfo(models.Model):
    class Meta:
        db_table="adminInfo"
    ID=models.AutoField(primary_key=True,db_column="ID")
    aname=models.CharField(max_length=20)
    apass=models.CharField(max_length=20)
    state=models.IntegerField(null=True)
    def __str__(self):
         return  self.aname

class ProductInfo(models.Model):
    class Meta:
        db_table="productInfo"
    ID=models.AutoField(primary_key=True,db_column="ID")
    productName=models.CharField(max_length=20)
    addDate=models.DateField()
    price=models.FloatField()
    productDesc=models.CharField(max_length=20)
    def __str__(self):
        return self.productName

show.html

    
    
    
    
    


欢迎您:{{ request.session.uname }}


    {% for res in result %}
        
    {% endfor %}
    

    

        
商品编号
        
商品名称
        
上架日期
        
商品单价
        
商品描述
        
编辑操作
    

            
{{ res.ID }}
            
{{ res.productName }}
            
{{ res.addDate}}
            
{{ res.price }}
            
{{ res.productDesc }}
            

                 删除

            
        

	

index.html

    
    
    
    
    


商品信息管理后台登录



    
    用户名:

    密 码: