Cookie:
1.保存在用戶瀏覽器
2.可以主動清除
3.可以被偽造
4.跨域名 Cookie 不共享
創建一個項目：user_manager 和應用： app01
創建數據庫，添加 models.py
from django.db import models
# Create your models here.
class Classes(models.Model):
caption = models.CharField(max_length=32)
class Student(models.Model):
name = models.CharField(max_length=32)
cls = models.ForeignKey(Classes, on_delete=models.CASCADE)
class Teacher(models.Model):
name = models.CharField(max_length=32)
cls = models.ForeignKey(Classes, on_delete=models.CASCADE)
class Administrator(models.Model):
username = models.CharField(max_length=32)
password = models.CharField(max_length=32)
修改 urls.py
from django.contrib import admin
from django.urls import path
from app01 import views
urlpatterns = [
path('admin/', admin.site.urls),
path('login.html', views.login),
path('index.html', views.index),
]
在 templates 文件夾下創建兩個 html 文件
# login.html
!DOCTYPE html>
html lang="en">
head>
meta charset="UTF-8">
title>Title/title>
/head>
body>
form action="login.html" method="post">
{% csrf_token %}
div>
label for="user">用戶名: /label>
input id="user" type="text" name="user">
/div>
div>
label for="pwd">密碼: /label>
input id="pwd" type="password" name="pwd">
/div>
div>
label>/label>
input type="submit" value="登錄">
span style="color: red;">{{ msg }}/span>
/div>
/form>
/body>
/html>
# index.html
!DOCTYPE html>
html lang="en">
head>
meta charset="UTF-8">
title>Title/title>
/head>
body>
h1> Hello {{ username }} /h1>
/body>
/html>
添加 views.py
from django.shortcuts import render, redirect
# Create your views here.
from app01 import models
def login(req):
# models.Administrator.objects.create(
# username='klvchen',
# password='klvchen'
# )
message = ""
if req.method == "POST":
user = req.POST.get('user')
pwd = req.POST.get('pwd')
c = models.Administrator.objects.filter(username=user, password=pwd).count()
if c:
rep = redirect('index.html')
rep.set_cookie('username', user)
return rep
else:
message = "用戶名或密碼錯誤"
return render(req, 'login.html', {'msg': message})
def index(req):
username = req.COOKIES.get('username')
if username:
return render(req, 'index.html', {'username': username})
else:
return redirect('/login.html')
初始化數據庫
python manage.py makemigrations
python manage.py migrate
啟動
python manage.py runserver 8000
訪問 http://127.0.0.1:8000/index.html
輸入錯誤的用戶名或密碼
輸入正確的用戶名和密碼
總結
以上所述是小編給大家介紹的基于Django 使用 cookie 實現簡單的用戶管理功能，希望對大家有所幫助，如果大家有任何疑問歡迎給我留言，小編會及時回復大家的！
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