async def addUserrole(ns):
    """
    用户分配角色
    :param user_id: 用户id
    :param role_id: 角色id
    :return:
    """
    db = DBPools()
    async with db.sqlorContext('kboss') as sor:
        if ns:
            dleroles = {'userid': ns.get('userid')}
            userreacs = await sor.R('userrole', dleroles)
            for i in userreacs:
                if i['roleid'] not in eval(ns.get('roleid')):
                    await sor.U('userrole', {'del_flg': '1', 'id': i['id']})
            for i in eval(ns.get('roleid')):
                roles = {'userid':ns.get('userid'),'roleid':i}
                reacs = await sor.R('userrole', roles)
                if len(reacs) >= 1:
                    rolens = {'id':reacs[0]['id'],'del_flg':'0'}
                    await sor.U('userrole', rolens)
                    continue
                ns['id'] = uuid()
                ns['roleid'] = i
                await sor.C('userrole',ns)
            return {'status': True, 'msg': '添加成功'}
    return {'status': False, 'msg': '添加失败'}

ret = await addUserrole(params_kw)
return ret