学习之：http://www.cnblogs.com/kivenhou/archive/2009/10/19/1586106.html
此为模型图：
据此写了sql语句：
drop table if exists tb_Permit_Group;
drop table if exists tb_Position_Permit;
drop table if exists tb_Position_User;
drop table if exists tb_Project_User;
drop table if exists tb_Role_Permit;
drop table if exists tb_User_Permit;
drop table if exists tb_User;
drop table if exists tb_Permit;
drop table if exists tb_Action;
drop table if exists tb_Position;
drop table if exists tb_Department;
drop table if exists tb_Company;
drop table if exists tb_Module;
drop table if exists tb_Project;
drop table if exists tb_Role;
/*==============================================================*/
/* Table: tb_Action */
/*==============================================================*/
create table tb_Action
(
ActionCode varchar(20) not null,
ActionName varchar(20),
ActionValue varchar(20),
primary key (ActionCode)
);
/*==============================================================*/
/* Table: tb_Company */
/*==============================================================*/
create table tb_Company
(
CompanyCode varchar(20) not null,
CompanyName varchar(20),
primary key (CompanyCode)
);
/*==============================================================*/
/* Table: tb_Department */
/*==============================================================*/
create table tb_Department
(
DeptCode varchar(20) not null,
DeptName varchar(20),
ParentDepartment varchar(20),
DepartmentDescription varchar(256),
CompanyCode varchar(20),
primary key (DeptCode)
);
/*==============================================================*/
/* Table: tb_Module */
/*==============================================================*/
create table tb_Module
(
ModuleCode varchar(20) not null,
ModuleName varchar(20),
ModuleValue varchar(20),
LinkUrl varchar(256),
ParentModule varchar(20),
ModuleDescription varchar(256),
primary key (ModuleCode)
);
/*==============================================================*/
/* Table: tb_Permit */
/*==============================================================*/
create table tb_Permit
(
PermitCode varchar(100) not null,
ModuleCode varchar(20),
ActionCode varchar(20),
PermitValue varchar(20),
primary key (PermitCode)
);
/*==============================================================*/
/* Table: tb_Permit_Group */
/*==============================================================*/
create table tb_Permit_Group
(
GroupCode varchar(20) not null,
GroupName varchar(20),
PermitCode varchar(100),
primary key (GroupCode)
);
/*==============================================================*/
/* Table: tb_Position */
/*==============================================================*/
create table tb_Position
(
PositionCode varchar(100) not null,
PositionName varchar(20),
PositionDescription varchar(256),
ParentPosition varchar(20),
DeptCode varchar(20),
primary key (PositionCode)
);
/*==============================================================*/
/* Table: tb_Position_Permit */
/*==============================================================*/
create table tb_Position_Permit
(
PositionCode varchar(100) not null,
PermitCode varchar(100),
primary key (PositionCode)
);
/*==============================================================*/
/* Table: tb_Position_User */
/*==============================================================*/
create table tb_Position_User
(
PositionCode varchar(100),
UserId varchar(20)
);
/*==============================================================*/
/* Table: tb_Project */
/*==============================================================*/
create table tb_Project
(
ProjectCode varchar(20) not null,
ProjectName varchar(20),
ParentProject varchar(20),
ProjectDescription varchar(256),
primary key (ProjectCode)
);
/*==============================================================*/
/* Table: tb_Project_User */
/*==============================================================*/
create table tb_Project_User
(
ProjectCode varchar(20),
UserId varchar(20),
IsLead int
);
/*==============================================================*/
/* Table: tb_Role */
/*==============================================================*/
create table tb_Role
(
RoleCode varchar(100) not null,
RoleName varchar(20),
RoleDescription varchar(256),
primary key (RoleCode)
);
/*==============================================================*/
/* Table: tb_Role_Permit */
/*==============================================================*/
create table tb_Role_Permit
(
RoleCode varchar(100) not null,
PermitCode varchar(100),
primary key (RoleCode)
);
/*==============================================================*/
/* Table: tb_User */
/*==============================================================*/
create table tb_User
(
UserId varchar(20) not null,
UserName varchar(20),
Password varchar(50),
TrueName varchar(12),
DeptCode varchar(20),
primary key (UserId)
);
/*==============================================================*/
/* Table: tb_User_Permit */
/*==============================================================*/
create table tb_User_Permit
(
UserId varchar(20),
RoleCode varchar(100),
PositionCode varchar(100),
ProjectCode varchar(20),
PermitCode varchar(100)
);
alter table tb_Department add constraint FK_Reference_5 foreign key (CompanyCode)
references tb_Company (CompanyCode) on delete restrict on update restrict;
alter table tb_Permit add constraint FK_Reference_3 foreign key (ModuleCode)
references tb_Module (ModuleCode) on delete restrict on update restrict;
alter table tb_Permit add constraint FK_Reference_4 foreign key (ActionCode)
references tb_Action (ActionCode) on delete restrict on update restrict;
alter table tb_Permit_Group add constraint FK_Reference_18 foreign key (PermitCode)
references tb_Permit (PermitCode) on delete restrict on update restrict;
alter table tb_Position add constraint FK_Reference_21 foreign key (DeptCode)
references tb_Department (DeptCode) on delete restrict on update restrict;
alter table tb_Position_Permit add constraint FK_Reference_19 foreign key (PermitCode)
references tb_Permit (PermitCode) on delete restrict on update restrict;
alter table tb_Position_Permit add constraint FK_Reference_9 foreign key (PositionCode)
references tb_Position (PositionCode) on delete restrict on update restrict;
alter table tb_Position_User add constraint FK_Reference_11 foreign key (PositionCode)
references tb_Position (PositionCode) on delete restrict on update restrict;
alter table tb_Position_User add constraint FK_Reference_6 foreign key (UserId)
references tb_User (UserId) on delete restrict on update restrict;
alter table tb_Project_User add constraint FK_Reference_22 foreign key (ProjectCode)
references tb_Project (ProjectCode) on delete restrict on update restrict;
alter table tb_Project_User add constraint FK_Reference_23 foreign key (UserId)
references tb_User (UserId) on delete restrict on update restrict;
alter table tb_Role_Permit add constraint FK_Reference_1 foreign key (RoleCode)
references tb_Role (RoleCode) on delete restrict on update restrict;
alter table tb_Role_Permit add constraint FK_Reference_17 foreign key (PermitCode)
references tb_Permit (PermitCode) on delete restrict on update restrict;
alter table tb_User add constraint FK_Reference_20 foreign key (DeptCode)
references tb_Department (DeptCode) on delete restrict on update restrict;
alter table tb_User_Permit add constraint FK_Reference_12 foreign key (UserId)
references tb_User (UserId) on delete restrict on update restrict;
alter table tb_User_Permit add constraint FK_Reference_13 foreign key (RoleCode)
references tb_Role (RoleCode) on delete restrict on update restrict;
alter table tb_User_Permit add constraint FK_Reference_14 foreign key (PositionCode)
references tb_Position (PositionCode) on delete restrict on update restrict;
alter table tb_User_Permit add constraint FK_Reference_15 foreign key (ProjectCode)
references tb_Project (ProjectCode) on delete restrict on update restrict;
alter table tb_User_Permit add constraint FK_Reference_16 foreign key (PermitCode)
references tb_Permit (PermitCode) on delete restrict on update restrict;