【django后端分离】rbac组件（文件源代码+使用）

from django.db import models


# 用户菜单
class UserMenu(models.Model):
    title = models.CharField(max_length=32,verbose_name='菜单')
    icon = models.CharField(max_length=32,1)">图标',null=True,blank=True)

    def __str__(self):
        return self.title

     Meta:
        verbose_name = ""
        verbose_name_plural = verbose_name

 用户信息表
 UserInfo(models.Model):
    username = models.CharField(unique=True,max_length=32,1)">用户名)
    password = models.CharField(max_length=64)
    roles = models.ManyToManyField(to=Role用户所拥有的角色True)
    is_staff = models.BooleanField(default=True)
     admin配置
     self.username

    用户信息 verbose_name


 角色表
 Role(models.Model):
    name = models.CharField(max_length=32,1)">角色名称)
    permissions = models.ManyToManyField(to=Permission角色所拥有的权限 self.name


 权限表
 Permission(models.Model):
    title = models.CharField(max_length=32,1)">权限名)
    url = models.CharField(max_length=32,1)">权限)
    menu = models.ForeignKey(UserMenu",on_delete=models.CASCADE,null=True)
    name = models.CharField(max_length=32,1)">url别名"")

     Meta:
        verbose_name_plural = 权限表
        verbose_name = '

    return self.title

from dal.models  Role


def initial_sesson(user,request):
    """
    功能：将当前登录人的所有权限录入session中
    :param user: 当前登录人
    """
     查询当前登录人的所有权限列表
     查看当前登录人的所有角色
     ret=Role.objects.filter(user=user)
    permissions = Role.objects.filter(userinfo__username=user).values(permissions__url,permissions__titlepermissions__namepermissions__menu__titlepermissions__menu__iconpermissions__menu__pk).distinct()
     print("permissions",permissions)

    permission_list = []
    permission_names = []
    permission_menu_dict ={}

    for item in permissions:
         构建权限列表
        permission_list.append(item[])
        permission_names.append(item[])

         菜单权限
        menu_pk=item[]
        if menu_pk:

            if menu_pk not  permission_menu_dict:

                permission_menu_dict[menu_pk]={
                     menu_title":item[],1)">menu_iconchildren:[
                         {
                             titleurlelse:
                permission_menu_dict[menu_pk][].append({
                    ": item[ print("permission_menu_dict",permission_menu_dict)

     将当前登录人的权限列表注入session中
    request.session[permission_list"] = permission_list
    request.session[permission_names permission_names
     将当前登录人的菜单权限字典注入session中
    request.session[permission_menu_dict permission_menu_dict
    return permission_menu_dict

from django.utils.deprecation  MiddlewareMixin
from django.shortcuts  HttpResponse,redirect
 re
from django.http  JsonResponse

 PermissionMiddleWare(MiddlewareMixin):

     process_request(self,request):

        print(permission_list的值是：))
        current_path = request.path
        message = {}
         设置白名单放行
        for reg in  [/user/login/admin/*]:
            ret=re.search(reg,current_path)
             ret:
                 None
         /customers/edit/1

        try:
             校验权限
            permission_list=request.session.get()

             permission_list:
                 reg=^%s$"%reg
                 ret= ret:
                      None

            message[message'] = 提示：无访问权限
            message[code'] = 404
             JsonResponse(message)
        except Exception as e:
            print(e)
            message[return JsonResponse(message)