权限组件之rbac

def login(request):
    if request.method=="GET":
        return render(request,"login.html")

    else:
        user=request.POST.get("user")
        pwd=request.POST.get("pwd")
        user=UserInfo.objects.filter(name=user,pwd=pwd).first()
        if user:
            # 验证成功之后做什么？
            request.session["user_id"]=user.pk  # 拿到session

            # 当前登录用户的所有权限， distinct()是去掉重复的权限
　　　　　　　
            permission_info=user.roles.all().values("permissions__url","permissions__title").distinct()
            temp=[]  # url列表
            for i in permission_info:
                temp.append(i["permissions__url"])
            request.session["permission_list"]=temp

            #  {"user_id":1,"permission_list":[‘/users/‘,‘/orders/‘]}
            return HttpResponse("登录成功！")
        else:
            return redirect("/login/")