django写用户登录判定并跳转制定页面的实例
1. 首先看要设置登陆的界面 book/view.py
@user_util.my_login #相当于 select_all=my_login(select_all) def select_all(request): # 查询所有的书 book_list = BookInfo.objects.all() # 返回 return render(request, 'book/book_list.html', {'book_list': book_list}) @user_util.my_login #相当于 select_by_id=my_login(select_by_id) def select_by_id(request,book_id): bookinfo=BookInfo.objects.get(id=book_id) return render(request,'book/book_detail.html',{'bookinfo':bookinfo})
@user_util.my_login 是在utils/user_utils.py里面写的装饰器
使用session判定是否登录:login_user_id = args[0].session.get(‘login_user_id')
#登陆用的装饰器 def my_login(func): def inner(*args,**kwargs): login_user_id = args[0].session.get('login_user_id') if login_user_id: return func(*args,**kwargs) else: return redirect(reverse('user:login')) return inner
2. 设置登录模块的界面
设置session键值对进行存储: request.session[‘login_user_id']=user[0].id
def login(request): #获取cookie remember_user_name=request.COOKIES.get('remember_user_name','') return render(request, "user/login.html",{'remember_user_name':remember_user_name}) def login_handler(request): # 判断请求方式 if request.method == "GET": request_info = request.GET else: request_info = request.POST # 获取属性 user_name = request_info.get("user_name",'').strip() user_pwd = request_info.get("user_pwd",'').strip() remember = request_info.get("remember") user_pwd = my_md5(user_pwd) user=User.objects.filter(name=user_name, pwd=user_pwd) #print(user[0].id) # 查询 if len(user) != 0: #将登陆信息保存到session request.session['login_user_id']=user[0].id resp=HttpResponseRedirect(reverse("book:index")) #记住用户名 if remember=='1': resp.set_cookie('remember_user_name',user_name,3600*24*7) else: resp.set_cookie('remember_user_name',user_name,0) return resp # 转发 #return book_views.index(request) # 重定向 #return HttpResponseRedirect(reverse("book:index")) else: return HttpResponseRedirect(reverse("user:login"))
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