酒店查询系统

import java.util.*; public class HotelManageSystem public static void main(String args) Manager m = new Manager(严伟,经理001); Cooker c = new Cooker(朱闯, 厨师001); Waiter w1 = new Waiter(张三, 服务员001); Waiter w2 = new Waiter(李四, 服务员002); ArrayList al = new ArrayList(); al.add(m); al.add(c); al.add(w1); al.add(w2); while(true) System.out.println(=黑马大酒店管理系统=); System.out.println(1.员工管理界面.); System.out.println(2.幸运员工随机.); System.out.println(3.酒店Vip服务.); System.out.println(4.退出系统.); int num = choice(); if(num=1) manageEmployeeSystem(al); else if(num=2) Employee e = rdLuck(al); System.out.println(幸运员工是.+e.getName()+.编号是: +e.getId(); else if(num=3) vip(al); else if(num=4) System.out.println(谢谢使用本系统); return; /人员管理系统 public static void manageEmployeeSystem(ArrayList al) while(true) System.out.println(=酒店人员管理界面=); System.out.println(1.添加员工); System.out.println(2.删除员工); System.out.println(3.查询员工); System.out.println(4.修改员工); System.out.println(5.返回); int num = choice(); if(num=1) addEmployeeSystem(al); else if(num=2) delEmployeeSystem(al); else if(num=3) searchEmployeeSystem(al); else if(num=4) replaceEmployeeSystem(al); else if(num=5) return; else System.out.println(输入错误请重新输入); /选择需要修改的内容 public static void replaceEmployee(int i,ArrayList al) int num =0; System.out.println(=修改员工职位界面=); System.out.println(1.经理); System.out.println(2.厨师); System.out.println(3.服务员); System.out.println(4.返回); num = choice(); if(num=1) setEmployee(i,al,new Manager(); else if(num=2) setEmployee(i,al,new Cooker(); else if(num=3) setEmployee(i,al,new Waiter(); else if(num=4) return; else System.out.println(输入错误请重新输入); /修改员工职位 public static void setEmployee(int num,ArrayList al,Employee e) Scanner sc = new Scanner(System.in); System.out.println(请输入姓名); e.setName(sc.next(); System.out.println(请输入编号); e.setId(sc.next(); if(e instanceof Manager) System.out.println(请输入需要修改的经理奖金); (Manager) e).setBonus(sc.nextInt(); al.set(num,e); /修改员工 private static void replaceEmployeeSystem(ArrayList al) while(true) System.out.println(=修改员工界面=); System.out.println(1.修改员工); System.out.println(2.返回); int num=choice(); if(num=1) System.out.println(请输入需要修改的员工编号:); String id = new Scanner(System.in).next(); for(int i=0;ial.size();i+) if(al.get(i).getId().equals(id) System.out.println(需要修改的员工:); System.out.println(al.get(i).getName()+.+al.get(i).getId(); replaceEmployee(i,al); break; else if(i=al.size()-1) System.out.println(没有该编号,查找错误!); else if(num=2) return; else System.out.println(输入错误!); /查找员工 public static void searchEmployeeSystem(ArrayList al) while(true) System.out.println(=查找员工界面=); System.out.println(1.查找员工); System.out.println(2.打印员工清单); System.out.println(3.返回); int num=choice(); if(num=1) System.out.println(输入需要查找的员工的编号); String id = new Scanner(System.in).next(); for(int i=0;ial.size();i+) if(al.get(i).getId().equals(id) System.out.println(查找到的员工:); System.out.println(al.get(i).getName()+.+al.get(i).getId(); al.get(i).work(); if(al.get(i) instanceof Manager) System.out.println(经理奖金为:+(Manager)al.get(i).getBonus(); break; else if(i=al.size()-1) System.out.println(没有该编号,查找错误!); else if(num=2) sprintEmployee(al); else if(num=3) return; else System.out.println(输入错误!); /删除员工 public static void delEmployeeSystem(ArrayList al) while(true) System.out.println(=删除员工界面=); System.out.println(1.删除员工); System.out.println(2.返回); int num=choice(); if(num=1) System.out.println(请输入要删除的员工编号); String id = new Scanner(System.in).next(); for(int i=0;ial.size();i+) if(al.get(i).getId().equals(id) System.out.println(您已删除+al.get(i).getName()+.+al.get(i).getId(); al.remove(i); System.out.println(删除成功!); break; else if(i=al.size()-1) System.out.println(没有该编号,删除错误!); else if(num=2) return; else System.out.println(输入错误!); /添加员工界面 public static void addEmployeeSystem(ArrayList al) int num =0; System.out.println(=添加员工界面=); System.out.println(1.添加经理); System.out.println(2.添加厨师); System.out.println(3.添加服务员); System.out.println(4.返回); num = choice(); if(num=1) addEmployee(al,new Manager(); else if(num=2) addEmployee(al,new Cooker(); else if(num=3) addEmployee(al,new Waiter(); else if(num=4) return; else System.out.println(输入错误请重新输入); /添加员工 public static void addEmployee(ArrayList al,Employee e) Scanner sc = new Scanner(System.in); System.out.println(请输入姓名); e.setName(sc.next(); System.out.println(请输入编号); e.setId(sc.next(); if(e instanceof Manager) System.out.println(请输入经理的奖金); (Manager) e).setBonus(sc.nextInt(); al.add(e); /vip 服务 public static void vip(ArrayList al) int num=0; while(true) System.out.println(你是否需要Vip服务); System.out.println(1.需要.2.不需要); num=choice(); if(num=1) for(int i=0;ial.size();i+) if(al.get(i) instanceof Cooker) (Cooker)al.get(i).vip(); else if(al.get(i) instanceof Waiter) (Waiter)al.get(i).vip(); return; else if(num=2) return; else System.out.println(输入错误请重新输入); /员工清单打印 public static void sprintEmployee(ArrayList al) System.out.println(姓名.编号); for(int i=0;ial.size();i+) System.out.println(al.get(i).getName()+.+al.get(i).getId(); /选择器 public static int choice() return (new Scanner(System.in).nextInt(); /幸运员工获取器 public static Employee rdLuck(ArrayList al) return al.get(new Random().nextInt(al.size(); public class Cooker extends Employee implements Vip public Cooker() public Cooker(String name, String id) super(name, id); public void work() System.out.println(职位:厨师.做饭); public void vip() System.out.println(this.getName()+ +this.getId()+厨师给客人的菜加量.); /* * 经理 厨师 服务员 * */public abstract class Employee private String name; private String id; public Employee() public Employee(String name,String id) this.setName(name); this.setId(id); public abstract void work(); public String getName() return name; public void setName(String name) = name; publi