本文实例讲述了Django框架用户注销功能实现方法。分享给大家供大家参考,具体如下:
HttpResponse()
里有个delete_cookie()
方法专门用来删除cookie
我们到此来完整的实现一下:访问首页如果没有登录,就跳转到登录页面,登录成功之后再跳转回来的过程。
3个方法,index、login、logout
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
# coding:utf-8 from django.shortcuts import render,render_to_response # Create your views here. from django.http import HttpResponse from UserClass import UserLogin def index(request): msg = { 'username' : 'guest' } if request.COOKIES.get( 'userlogin_username' ) ! = None : msg[ 'username' ] = request.COOKIES.get( 'userlogin_username' ) myReponse = render_to_response( "index.html" ,msg) return myReponse def login(request): msg = { 'result' : ''} if request.method = = 'POST' : getUserName = request.POST.get( 'username' ) getPwd = request.POST.get( 'pwd' ) # 实例化UserLogin类 loginObj = UserLogin(getUserName,getPwd) if loginObj.isLogin(): myReponse = HttpResponse( "<script>self.location='/index'</script>" ) myReponse.set_cookie( 'userlogin_username' ,getUserName, 3600 ) return myReponse else : msg[ 'result' ] = '用户名或密码错误' myReponse = render_to_response( "login.html" , msg) return myReponse # 用户注销 def logout(request): r = HttpResponse() r.delete_cookie( 'userlogin_username' ) r.write( "<script>self.location='/index'</script>" ) return r |
首页模板index.html
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
|
<!DOCTYPE html> < html lang = "en" > < head > < meta charset = "UTF-8" > < title >首页</ title > </ head > < body > < h2 >这是首页,当前登录用户是:{{ username }}</ h2 > {% ifequal username "guest" %} < p >< a href = "/login" rel = "external nofollow" >登录</ a ></ p > {% else %} < p >< a href = "/logout" rel = "external nofollow" >安装退出</ a ></ p > {% endifequal %} </ body > </ html > |
其中用到了Django的模板语法
希望本文所述对大家基于Django框架的Python程序设计有所帮助。
原文链接:https://blog.csdn.net/github_26672553/article/details/52497045