1.django-admin startproject helloword 创建项目helloword
2.开始一个app，写一个hello world
python manage.py startapp hello
4.settings db
DATABASES = {
‘default‘: {
‘ENGINE‘: ‘django.db.backends.mysql‘, # 你的数据库引擎
‘HOST‘: "localhost", # 你的数据地址，localhost代表本地
"PORT": 3306, # 端口， 数据库的默认端口一般是3306
"USER": "root", # 用户名
"PASSWORD": "123456", # 密码
"NAME": "study" # 库名
}
}
# CACHES = {
# "default":{
# "BACKEND":"django_redis.cache.RedisCache",
# "LOCATION":"redis://127.0.0.1:6379/",
# "OPTIONS":{
# "CLIENT_CLASS":"django_redis.client.DefaultClient"
# }
# }
# }
4.view
import json
from django.shortcuts import render, redirect, reverse
from django.http import HttpResponse
from django.contrib.auth import authenticate, login, logout
from django.contrib import messages # 错误提示信息
from django.views.decorators.csrf import csrf_exempt
from io import BytesIO
from django.views import View
from django.forms.utils import ErrorDict
from django.core.cache import cache
from show.models import Book
# Create your views here.
class CacheVisit(View):
"""
访问数据库缓存
from django.core.cache import cache
"""
def get(self, request):
books = Book.objects.all()
return render(request, ‘1.html‘, locals())
5. 1.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
* {
margin: 0;
padding: 0;
}
</style>
</head>
<body>
{% for book in books %}
{{ book.title }}
{{ book.author }}
{{ book.download_text }}
{{ book.new }}<br>
{% endfor %}
</body>
</html>
6.url路由
from django.conf.urls import url from django.contrib import admin from show import views as view urlpatterns =( url(r‘^admin/‘, admin.site.urls), url(r‘^show/‘,view.CacheVisit.as_view()), )
原文地址：https://www.cnblogs.com/tangpg/p/10825688.html
时间： 2024-10-30 08:52:05