对应的模板函数

from django.http import QueryDict
from django.template import Library
from django.conf import settings
import copy
from django.urls import reverse
from django.utils.safestring import mark_safe

register = Library()

def check_permission(request,name):
    #1.获取当前登录用户所属角色
    role = request.userinfo.role

    #2.根据角色获取他所有的权限字典
    permission_dict = settings.NB_PERMISSION[role]

    if name in permission_dict:
        return True
    if name in settings.NB_PERMISSION_PUBLIC:
        return True


@register.simple_tag
def add_permission(request,name,*args,**kwargs):

    #3.判断是否具有权限
    if not check_permission(request,name):
        #3.1无权限，则返回空
        return ""
    #3.2有权限，通过‘customer_add’反向生成URL
    url = reverse(name,args=args,kwargs=kwargs)
    tpl = """
    <a href="{}" class="btn btn-success"><span class="glyphicon glyphicon-plus-sign"></span>
            新建
        </a>
    """.format(url)

    return mark_safe(tpl)

@register.simple_tag
def edit_permission(request,name,*args,**kwargs):

    #3.判断是否具有权限
    if not check_permission(request,name):
        #3.1无权限，则返回空
        return ""
    #3.2有权限，通过‘customer_add’反向生成URL
    url = reverse(name,args=args,kwargs=kwargs)

    #根据当前用户请求获取GET参数
    param = request.GET.urlencode()
    if param:
        new_query_dict = QueryDict(mutable=True)
        new_query_dict['_filter'] = param
        print(new_query_dict)
        filter_string = new_query_dict.urlencode()
        print(new_query_dict.urlencode())

        tpl = """<a href="{}?{}" class="btn btn-primary btn-xs ">编辑</a>""".format(url,filter_string)
        return mark_safe(tpl)
    else:
        tpl = """<a href="{}" class="btn btn-primary btn-xs ">编辑</a>""".format(url)
        return mark_safe(tpl)
@register.simple_tag
def delete_permission(request,name,*args,**kwargs):

    #1.获取当前登录用户的角色
    role = request.userinfo.role

    #2.根据角色获取他所有的权限字典
    permission_dict = settings.NB_PERMISSION[role]

    #3.判断是否具有权限
    if name not in permission_dict:
        #3.1无权限，则返回空
        return ""
    #3.2有权限，通过‘customer_add’反向生成URL
    pk = kwargs.get('pk')
    # url = reverse(name,args=args,kwargs=kwargs)
    tpl = """
    <a cid="{}" class="btn btn-danger btn-xs btn-delete">删除</a>
    """.format(pk)

    return mark_safe(tpl)


@register.simple_tag
def delete_url_permission(request, name, *args, **kwargs):
    # 4.无权限，返回空
    if not check_permission(request, name):
        return ""

    # 5.有权限，通过"customer_add"反向生成URL
    # pk = kwargs.get('pk')
    # tpl = """
    # <a cid="{}" class="btn btn-danger btn-xs btn-delete">删除</a>
    # """.format(pk)
    # return mark_safe(tpl)

    url = reverse(name, args=args, kwargs=kwargs)
    tpl = """
    <a href="{}" class="btn btn-danger btn-xs btn-delete">删除</a>
    """.format(url)
    return mark_safe(tpl)


@register.filter
def has_permission(request, others):
    name_list = others.split(',')
    for name in name_list:
        status = check_permission(request,name)
        if status:
            return True
    return False
-------------------------------------

前端部分

添加

        {% add_permission request 'customer_add' %}

编辑和删除【ajax】

{% edit_permission request 'customer_edit' pk=row.id %}
{% delete_permission request 'customer_delete' pk=row.id %}

直接删除

{% delete_url_permission request 'level_delete' pk=row.id %}

判断权限