信息管理系統項目代碼

隨著信息技術的不斷發展，信息管理系統已經成為企業、學校、政府機構等組織中不可或缺的一部分。一個有效的信息管理系統可以提高信息處理的效率，降低信息泄露的風險，并幫助企業更好地管理其信息資源。

在信息管理系統中，通常會使用Java或Python等編程語言編寫代碼，以實現數據的存儲、處理和管理等功能。下面是一個基于Java的信息管理系統項目代碼的示例。

“`java
import java.util.ArrayList;
import java.util.Scanner;

public class InformationManagementSystem {
private ArrayList users;
private ArrayList roles;
private DATABASE database;

public InformationManagementSystem() {
users = new ArrayList();
roles = new ArrayList();
database = new DATABASE();
}

public void addUser(User user) {
users.add(user);
}

public void addRole(Role role) {
roles.add(role);
}

public void addUserRole(User user, Role role) {
users.add(user);
roles.add(role);
}

public void addUserDatabase(User user) {
users.add(user);
database.addUser(user);
}

public void addRoleDatabase(Role role) {
roles.add(role);
database.addRole(role);
}

public void deleteUser(User user) {
users.remove(user);
database.deleteUser(user);
}

public void deleteRole(Role role) {
roles.remove(role);
database.deleteRole(role);
}

public void deleteUserRole(User user, Role role) {
users.remove(user);
roles.remove(role);
database.deleteUserRole(user, role);
}

public void updateUser(User user) {
for (User user1 : users) {
if (user1.getName().equals(user.getName())) {
user1.setName(user.getName() + \” \” + user.getAge());
user1.setPassword(user.getPassword());
database.updateUser(user1);
return;
}
}
System.out.println(\”User not found\”);
}

public void updateRole(Role role) {
for (Role role1 : roles) {
if (role1.getName().equals(role.getName())) {
role1.setName(role.getName() + \” \” + role.getAge());
role1.setPassword(role.getPassword());
database.updateRole(role1);
return;
}
}
System.out.println(\”Role not found\”);
}

public void createUser(User user) {
for (User user1 : users) {
if (user1.getName().equals(user.getName())) {
user1.setAge(System.currentTimeMillis());
user1.setPassword(user.getPassword());
database.createUser(user1);
return;
}
}
System.out.println(\”User not found\”);
}

public void createRole(Role role) {
for (Role role1 : roles) {
if (role1.getName().equals(role.getName())) {
role1.setAge(System.currentTimeMillis());
role1.setPassword(role.getPassword());
database.createRole(role1);
return;
}
}
System.out.println(\”Role not found\”);
}

public void deleteUserDatabase(User user) {
for (User user1 : users) {
if (user1.getName().equals(user.getName())) {
database.deleteUser(user1);
return;
}
}
System.out.println(\”User not found\”);
}

public void deleteRoleDatabase(Role role) {
for (Role role1 : roles) {
if (role1.getName().equals(role.getName())) {
database.deleteRole(role1);
return;
}
}
System.out.println(\”Role not found\”);
}

public void deleteUserRole(User user, Role role) {
for (User user1 : users) {
if (user1.getName().equals(user.getName())) {
for (Role role1 : roles) {
if (role1.getName().equals(role.getName())) {
user1.getRoles().add(role1);
database.deleteUserRole(user1, role1);
return;
}
}
}
}
System.out.println(\”User not found\”);
}

public void deleteUser(User user) {
for (User user1 : users) {
if (user1.getName().equals(user.getName())) {
user1.getRoles().remove(user1);
database.deleteUser(user1);
return;
}
}
System.out.println(\”User not found\”);
}

public void deleteRole(Role role) {
for (Role role1 : roles) {
if (role1.getName().equals(role.getName())) {
role1.getRoles().remove(role1);
database.deleteRole(role1);
return;
}
}
System.out.println(\”Role not found\”);
}

public void addUserRole(User user, Role role) {
for (User user1 : users) {
if (user1.getName().equals(user.getName())) {
for (Role role1 : roles) {
if (role1.getName().equals(role.getName())) {
user1.getRoles().add(role1);
database.addUserRole(user1, role1);
return;
}
}
}
}
System.out.println(\”User not found\”);
}

public void addUserDatabase(User user) {
for (User user1 : users) {
if (user1.getName().equals(user.getName())) {
user1.getRoles().add(user1);
database.addUser(user1);
return;
}
}
System.out.println(\”User not found\”);
}

public void addRoleDatabase(Role role) {