web前端从Oracle数据库加载动态菜单所用到的数据

create table menu( 
 menu_id   number(10) primary key, 
 menu_name   varchar(30), 
 menu_url   varchar(200), 
 parent_menu_id   number(10) 
); 
 
/如果菜单是一级菜单,p_menu_id为0/ 
insert into menu values(1,'图书管理','',0); 
insert into menu values(2,'订单管理','',0); 
insert into menu values(3,'用户管理','',0); 
insert into menu values(4,'系统设置','',0); 
insert into menu values(5,'图书展示','/system/updatePassword.action',1); 
insert into menu values(6,'新增图书','',1); 
insert into menu values(7,'订单分类','',2); 
insert into menu values(8,'新建订单','',2); 
insert into menu values(9,'用户信息','',3); 
insert into menu values(10,'用户信息设置','',3); 
insert into menu values(11,'管理员信息','',4); 
insert into menu values(12,'管理员权限设置','',4); 

create table role( 
 role_id number(10) primary key, 
 role_name varchar(20) 
); 
insert into role values(1,'管理员'); 
insert into role values(2,'销售总监'); 

create table users( 
user_id number(30), 
user_name varchar2(40), 
user_password varchar2(40), 
user_sex char(3), 
user_phone varchar2(50), 
user_email varchar2(60), 
user_img varchar2(40) 
); 
create sequence seq_u; 
insert into users(user_id, 
         user_name, 
         user_password, 
         user_sex, 
         user_phone, 
         user_email, 
         user_img)values(seq_u.nextval,'黄飞鸿','1111qa','男','15000102345','1234567@qq.',null); 

create table role_menu( 
 id number(10) primary key, 
 role_id number(10), 
 menu_id number(10) 
); 
/录入角色和菜单的初始数据/ 
insert into role_menu values(1,1,1); 
insert into role_menu values(2,1,2); 
insert into role_menu values(3,1,3); 
insert into role_menu values(4,1,4); 
insert into role_menu values(5,1,5); 
insert into role_menu values(6,1,6); 
insert into role_menu values(7,1,7); 
insert into role_menu values(8,1,8); 
insert into role_menu values(9,1,9); 
insert into role_menu values(10,1,10); 
insert into role_menu values(11,1,11); 
insert into role_menu values(12,1,12); 

create table role_user( 
 id number(10) primary key, 
 role_id number(10), 
 user_id number(10) 
); 
/录入角色和菜单的初始数据/ 
insert into role_user values(1,1,1); 
insert into role_user values(2,2,2); 

select distinct  
from users u inner join role_user ru 
    on u.user_id = ru.user_id inner join role_menu rm on ru.role_id = 
    rm.role_id inner join menu m on m.menu_id = rm.menu_id 
    where u.user_id =1