python ==> Django.view(登录,注册,个人页) |
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Django-views 一:需求介绍1.本篇博客主要是想实现一个:通过Django创建一个项目,目的: 三个界面,用户登录界面,用户注册界面,用户登录成功之后的个人页。本篇功能很简单,就是简单的时间页面的跳转,主要以练习为主。 首先:我们先把项目创建好,这里我创建的Django的项目名为:mysite_views,并且创建一个应用项目:app01. 两种创建方式: 一:图形界面二:命令行 注意:要在对应的目录路径下创建。 创建项目名: django-admin startproject 项目名称 mysite_views 创建一个应用: python manage.py startapp 应用名称 app01 注意:同时装了两个版本的pycharm,创建一个应用要用 python3 manage.py startapp 应用名称 app01 创建好之后,对应的目录格式如下图:
然后:展示下各主要文件的代码。 urls.py :映射关系 """mysite_views URL Configuration The `urlpatterns` list routes URLs to views. For more information please see: https://docs.djangoproject.com/en/1.11/topics/http/urls/ Examples: Function views 1. Add an import: from my_app import views 2. Add a URL to urlpatterns: url(r'^$', views.home, name='home') Class-based views 1. Add an import: from other_app.views import Home 2. Add a URL to urlpatterns: url(r'^$', Home.as_view(), name='home') Including another URLconf 1. Import the include() function: from django.conf.urls import url, include 2. Add a URL to urlpatterns: url(r'^blog/', include('blog.urls')) """ from django.conf.urls import url from django.contrib import admin from app01 import views #导入模块 urlpatterns = [ url(r'^admin/', admin.site.urls), url(r'^login.html/',views.login), #用户登录 url(r'^register.html/',views.register), # 用户注册 url(r'^index.html',views.index) #登录成功之后的个人页 ]views.py: 视图逻辑处理 from django.shortcuts import render,HttpResponse,redirect # Create your views here. # 1.登录 def login(request): print('----------------------------------->',) if request.method == "POST": username = request.POST.get("user") password = request.POST.get("pwd") print('----------------------------------->',username,password) import pymysql # 连接数据库 conn = pymysql.connect(host="" ,port=3306,user="root",passwd="",db="s6") # 创建游标 cur=conn.cursor() sql = "select * from userinfo where name = '%s' and password = '%s'" %(username,password) ret = cur.execute(sql) print('----------------------------------->') if ret: print('----------------------------------->login') return redirect ("/index.html/?name=%s"%username) else: return render(request,"login.html") # 3.跳转页面 # return HttpResponse('ok') return render(request,"login.html") # 2注册 def register(request): if request.method == "POST": # 1.取数据 username = request.POST.get("user") passwd = request.POST.get("pwd") # 2.存放数据库 import pymysql # # 连接数据库 conn = pymysql.connect(host='', port=3306, user='root', passwd='', db='s6') # db:库名 # # 创建游标 cur = conn.cursor() sql = "select * from userinfo where NAME='%s' AND password='%s'" % (username, passwd) ret = cur.execute(sql) if ret: return render(request,"register.html") else: ss = 'insert into userinfo (name,password) value ("%s","%s")' % (username, passwd) print(ss) cur.execute(ss) conn.commit() # 关闭指针对象 cur.close() # 关闭连接对象 conn.close() return redirect("/login.html/") # 3.跳转页面 return redirect("/login.html/") return render(request,"register.html") # 3.个人页 def index(request): # print("GET", request.POST) # user = request.GET.get("username") # n = user # print(request.get_full_path()) ret = request.GET.get('name') print(request.GET.get('name')) # return HttpResponse('ok') return render(request,"index.html",{"n":ret})templates下的前端页面: login.html login 登录页面用户名 密码 register.html 注册 注册页面用户名 密码 index.html Title Hello {{ n }} welcome come to plase!注意事项: setting里的配置文件:
运行代码: 启动: python manage.py runserver 8080 成功进入到个人页面。
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