package try01;
import java.util.LinkedList;
import java.util.Scanner;
//--------------------------以下是数据库-----------------------------------:
//数据库------用户
class User{
public static String[] user = new String[10];//用户名
public static String[] passwd = new String[10];//密码
public static String[] work = new String[10]; //工作
public User(){
User.user[0] = "曹帅龙";
User.passwd[0] = "123456";
User.work[0] = "前台员工";
User.user[1] = "王海瑞";
User.passwd[1] = "234567";
User.work[1] = "普通员工";
User.user[2] = "胡欣哲";
User.passwd[2] = "345678";
User.work[2] = "普通员工";
}
}
//数据库---------商家
class shopmessage extends User{
public static String[] names = new String[10];//店名
public static String[][] foodname = new String[10][10];//菜名。
double[][] price = new double[10][10];//价格。
shopmessage() {
this.names[0] = "肯德基";
this.foodname[0][0] = "汉堡";
this.price[0][0] = 12.5;
this.names[1] = "麦当劳";
this.foodname[1][0] = "薯条";
this.price[1][0] = 6;
this.names[2] = "包子铺";
this.foodname[2][0] = "包子";
this.price[2][0] = 1;
}
}
//数据库-----订餐
class Order extends shopmessage{
String[] name = new String[10];//储存订单着姓名。
//[] works = new String[10];//订餐者的职位.
String[] food = new String[10];//订单着所订的食物。
int[] sum = new int[10];//储存食物的份数。
double[] sums = new double[10];//总价钱
}
//-----------------------以上是数据库信息-----------------------------------;
//-----------------------以下是对员工进行操作-----------------------------------------;
//员工的修改
class Reword extends User
{
public static void rw(){
Scanner scanner = new Scanner(System.in);
System.out.print("请输入你要修改的用户名:");
String name = scanner.nextLine();
for(int x = 0; x < user.length; x++)
{
if(user[x]!=null) {
if(user[x].equals(name)&&user[x]!=null)
{
System.out.print("请输入要修改的密码:");
String rpasswd = scanner.nextLine();
User.passwd[x] = rpasswd;
System.out.print("密码修改成功!!");
System.out.print("请输入要修改职业:");
User.work[x] = scanner.next();
System.out.print("修改成功!!");
break;
}
else if(!user[x].equals(name))
{
System.out.print("用户名错误");
}
}
}
}
}
//员工的删除
class delectstaff extends User
{
Scanner sc = new Scanner(System.in);
int size = user.length;
public void delectstaff() {
System.out.print("请输入需要删除的员工姓名:");
String name = sc.next();
System.out.print("请输入密码:");
String passwds = sc.next();
for(int i =0;i<size;i++)
{
if(user[i]!=null)
{
if(user[i].equals(name)&&passwd[i].equals(passwds))
{
user[i] = null;
passwd[i] = null;
work[i] = null;
break;
}
else if(!user[i].equals(name)||!passwd[i].equals(passwds))
{
System.out.println("|"+ "\t"+ "\t"+ "\t"+ "\t"+ "\t"+ "\t"+ "\t"+"\t"+"|");
System.out.print("用户名或者密码错误");
break;
}
}
}
}
}
//登录操作
class Login extends User
{
public static boolean lonc(){
Scanner scanner = new Scanner(System.in);
System.out.println("请输入用户名:");
String users = scanner.nextLine();
System.out.println("请输入用户密码:");
String passwds = scanner.nextLine();
for(int i = 0; i < user.length;i++)
{
if(user[i]!=null) {
if(user[i].equals(users)&&passwd[i].equals(passwds))
{
System.out.println("|"+ "\t"+ "\t"+ "\t"+ "\t"+ "\t"+ "\t"+ "\t"+"\t"+"|");
System.out.println("登录成功!欢迎使用!");
return true;
}
}
}
System.out.println("|"+ "\t"+ "\t"+ "\t"+ "\t"+ "\t"+ "\t"+ "\t"+"\t"+"|");
System.out.println("登录成败!!无法使用该系统!!");
return false;
}
}
//添加员工
class Addstaff extends User
{
Scanner sc = new Scanner(System.in);
String name;
String works;
String passweds;
int size = user.length;
public void Addstaffs() {//构造函数负责输入
System.out.print("请输入用户名:");
this.name = sc.next();
System.out.print("请输入密码:");
this.passweds = sc.next();
System.out.print("请输入职业:");
this.works = sc.next();
for(int i = 0;i<size;i++)
{
if(user[i]==null&&passwd[i]==null)
{
user[i] = name;
passwd[i] = passweds;
work[i] = works;
break;
}
}
}{}
}
//员工查找
class Findstaff extends User{
Scanner sc = new Scanner(System.in);
String name;
int size = user.length;
public void Findstaff() {
System.out.println("|"+ "\t"+ "\t"+ "\t"+ "\t"+ "\t"+ "\t"+ "\t"+"\t"+"|");
System.out.print("请输入要查找的姓名:");
name = sc.next();
for(int i = 0; i < size;i++)
{
if(user[i]!=null)
{
if(user[i].equals(name))
{
System.out.println("\t"+"姓名："+user[i]+"\t"+"职位："+work[i]+"\t");
break;
}
else {
continue;
}
}
}
System.out.print("没有找到!!");
}
}
//主页面
class Mun{
public void operation(){
Scanner scanner = new Scanner(System.in);
Login D = new Login();
Reword X = new Reword();
Caozuo a = new Caozuo();
delectstaff y = new delectstaff();
Addstaff A = new Addstaff();
Findstaff B = new Findstaff();
int f = 1;
while(f!=0)
{
System.out.println("|"+ "\t"+ "\t"+ "\t"+ "\t"+ "\t"+ "\t"+ "\t"+"\t"+"|");
System.out.println("|"+"\t" + "测试用户名:曹帅龙 测试密码:123456" + "\t"+ "\t"+ "\t"+ "\t"+"|");
System.out.println("|" + "\t"+ "请输入[1-2]进行操作 1.登录|2.修改用户 |3.员工的删除:|4.员工的添加 |5.查找员工信息|0:退出系统" + "\t"+"|");
System.out.print("请输入:");
f = scanner.nextInt();
switch(f) {
case 1:
boolean choise = Login.lonc() ;//如果返回ture登录成功进入主界面
if(choise) { //如果为false登录失败
a.run();
break;
}
else
break;
case 2:
Reword.rw(); //修改操作
break;
case 3:
y.delectstaff(); //删除操作
break;
case 4:
A.Addstaffs(); //添加操作
break;
case 5:
B.Findstaff(); //查找操作
break;
case 0:
break;
default:
System.out.println("错误！请重写输入正确的数字进行操作！");
break;
}
}
}
}
//------------------------以上是对员工进行操作者-----------------------------------------；
//------------------------以下是订餐系统:-------------------------------------------------
//订餐系统
class OrderOperation extends Order{
public void min(String choise){//主函数
int choised;
Scanner minc = new Scanner(System.in);
System.out.print("\t"+"欢迎进入公司订餐系统!!"+"\t");
System.out.println("\t"+"您只能执行"+choise+"点餐系统"+"\t");
do {
System.out.println("|"+ "\t"+ "\t"+ "\t"+ "\t"+ "\t"+ "\t"+ "\t"+"\t"+"|");
System.out.println("|"+"\t"+"请输入您要执行的操作:1:点餐 2:查看食物袋 0:返回上一级"+"\t"+"|");
System.out.print("请输入:");
choised = minc.nextInt();
switch(choised) {
case 1:
System.out.println("|"+ "\t"+ "\t"+ "\t"+ "\t"+ "\t"+ "\t"+ "\t"+"\t"+"|");
System.out.print("\t"+"以下是我们现有的商家:"+"\t");
print();//打印一下已有的商家
System.out.print("请输入商家序号:");
int u =minc.nextInt();//u是商家的数组第几号商家
foodprint(u);
foodding(u,choise);
break;
case 2:
shopbag();
break;
case 0:
break;
default:
System.out.println("输入错误");
break;
}
}
while(choised!=0);
}
//食物选择
private void foodding(int u,String b) {
Scanner dd = new Scanner(System.in);
System.out.println("请输入食物序号:");
int c = dd.nextInt();//用户输入的第几位食物
System.out.println("请输入订餐者姓名:");
String names = dd.next();
int s = Is(); //第几个订餐名单是空的
for(int i=0;i<user.length;i++)
{
if(user[i]!=null)
{
if(user[i].equals(names))
{
name[s]=names;
food[s]=foodname[u][c];
System.out.print("请输入份数:");
int suma = dd.nextInt();
sum[s]=suma;
sums[s]=sum[s]*price[u][c];
break;
}
}
}
}
//判断购物袋为空位置
private int Is()
{
for(int i = 0;i<name.length;i++)
{
if(name[i]==null)
return i;
}
return -1;
}
//商家袋
private void print()
{
System.out.println("店家信息:");
int lent = user.length;
for(int i =0;i<lent;i++)
{
if(names[i]!=null)
{
System.out.println("|"+ "\t"+ "\t"+ "\t"+ "\t"+ "\t"+ "\t"+ "\t"+"\t"+"|");
System.out.println("\t"+"序号:"+i+"店名:"+names[i]+"\t");
System.out.println("\t"+"\t"+"\t"+"\t"+"\t"+"\t");
}
}
}
//商家食物袋
private void foodprint(int u)
{
System.out.println("\t"+ "\t"+ "\t"+ "\t"+ "\t"+ "\t"+ "\t"+"\t");
System.out.print("\t"+ "已经进入-"+names[u]+"-店铺"+"\t");
for(int y =0 ;y<foodname[u].length;y++)
{
if(foodname[u][y]!=null)
{
System.out.println("\t"+y+":"+"名称:"+foodname[u][y]+"\t"+"价格:"+price[u][y]+"\t");
System.out.println("\t"+ "\t"+ "\t"+ "\t"+ "\t"+ "\t"+ "\t"+"\t");
}
}
}
//购物袋
private void shopbag()
{
System.out.println("|"+ "\t"+ "\t"+ "\t"+ "\t"+ "\t"+ "\t"+ "\t"+"\t"+"|");
System.out.println("\t"+ "当前购物袋"+"\t");
for(int i = 0; i<name.length;i++)
{
if(name[i]!=null)
{
System.out.println("\t"+"姓名:"+name[i]+"\t"+"订单:"+food[i]+"\t"+"份数:"+sum[i]+"\t"+"价格:"+sums[i]+"\t");
}
}
}
}
//-----------------------------以上是订餐系统---------------------------------------------
//--------------------------以下是员工操作系统---------------------------------------
class staffOperation{
Scanner nb = new Scanner(System.in);
OrderOperation runn = new OrderOperation();
int chs;
public void runs(){
System.out.println("|"+"\t"+"\t"+"这是员工操作平台:"+"\t"+"\t"+"|");
System.out.println("|"+"\t"+"\t"+" "+"\t"+"\t"+"|");
do {
System.out.println("|"+"\t"+"\t"+"1:订餐 0:返回上一级"+"\t"+"\t"+"|");
System.out.println("请输入操作:");
chs = nb.nextInt();
switch(chs)
{
case 1:
runn.min("普通员工");
break;
case 0:
break;
default:
System.out.println("输入错误!!");
}
}while(chs!=0);
}
}
//---------------------------以下是前台操作系统---------------------------------------------
class Administrators extends shopmessage{
public void page(){
Scanner sc = new Scanner(System.in);//创建输入对象
int choise; //选择
OrderOperation ding = new OrderOperation();
System.out.println("|"+ "\t"+ "\t"+ "\t"+ "\t"+ "\t"+ "\t"+ "\t"+"\t"+"|");
System.out.println("|" + "\t"+ "请输入你要操作的对象[0-3]:1:商家 2:菜品 3:订餐 0:返回上一级" +"|");
do{
System.out.print("请输入:");
choise = sc.nextInt();
switch(choise)
{
case 1:
int c;
System.out.println("|"+ "\t"+ "\t"+ "\t"+ "\t"+ "\t"+ "\t"+ "\t"+"\t"+"|");
System.out.println("|"+"\t"+"这里是商家操作系统：1:添加 2:删除 3:修改 4:查找 0:返回上一级 "+"|");
do {
System.out.print("请输入你要执行的操作：");
c = sc.nextInt();
switch (c) {
case 1:
addshop();//添加商家
break;
case 2:
System.out.println("请输入你要删除的店家名称:");//删除商家
String na = sc.next();
delectshop(na);
break;
case 3:
System.out.println("请输入你要修改的店家名称:");//修改商家
String cn = sc.next();
boolean v = modify(cn);
break;
case 4:
System.out.println("请输入你要查找的店家名称:");//查找商家
String nm = sc.next();
int co = fondshop(nm);
break;
case 0:
break;
default:
System.out.println("输入无效!!");
}
}while(c!=0);
break;
case 2:
int ch;
System.out.println("请输入你要执行的商家:");//单个对商家进行操作
String choose = sc.next();
int uoou = fondshop(choose);
System.out.println("|"+ "\t"+ "\t"+ "\t"+ "\t"+ "\t"+ "\t"+ "\t"+"\t"+"|");
System.out.println("|"+"\t"+"这里是菜品操作系统：1:添加 2:删除 3:修改 4:查找 0:返回上一级 "+"|");
do {
System.out.println("请输入你要执行的操作:");
ch = sc.nextInt();
switch (ch) {
case 1:
addfood(uoou);
break;
case 2:
delectfood(uoou);
break;
case 3:
modify(uoou);
break;
case 4:
findfood(uoou);
break;
case 0:
break;
default:
System.out.println("输入无效!!");
break;
}
}while(ch!=0);
break;
case 3:
ding.min("前台");
break;
case 0:
break;
default:
System.out.println("输入无效!!");
break;
}
}while(choise!=0);
}
//修改商家
private boolean modify(String name) {
Scanner sc = new Scanner(System.in);
int n = names.length;
for(int i = 0; i < n; i++)
{
if(names[i]!=null)
{
if(names[i].equals(name))
{
System.out.println("请输入修改后的名字:");
names[i] = sc.next();
return true;
}
}
}
return false;
}
//查找商家
private int fondshop(String dename) {
Scanner ne = new Scanner(System.in);
int size = names.length;
for(int i = 0;i<size;i++)//查找店家
{
if(names[i]!=null) {
if(dename.equals(names[i]))
{
System.out.println("商家店名:"+names[i]);
for(int y = 0 ;y<foodname[i].length;y++)//打印食物
{
if(foodname[i][y]!=null)
{
System.out.println("\t"+"食物:"+y+1+"\t"+foodname[i][y]+"价格:"+price[i][y]+"\t");
}
}
return i;
}
}
}
System.out.println("没有这家店!!");
return -1;
}
//删除商家;
private void delectshop(String dename) {
Scanner ne = new Scanner(System.in);
int size = names.length;
for(int i = 0;i<size;i++)
{
if(names[i]!=null)
{
if(dename.equals(names[i]))
{
names[i] = null;//清楚商家
foodname[i] = null;//菜品清空
break;
}
}
}
}
//添加商家
private void addshop() {
Scanner ne = new Scanner(System.in);
int size = names.length;
for(int i = 0;i < size; i++)
{
if(names[i]==null)
{
System.out.println("请输入添加的商家店名:");
names[i] = ne.next();
System.out.println("请添加一道菜:");
foodname[i][0] = ne.next();
System.out.println("请输入价格:");
price[i][0] = ne.nextDouble();
break;
}
}
System.out.println("添加成功!!");
}
//添加食物
private void addfood(int i)
{
Scanner oi = new Scanner(System.in);
System.out.print("输入食物姓名:");
String foodn = oi.next();
System.out.print("输入价格");
double pri = oi.nextDouble();
int len = foodname[i].length;
for(int y = 0;y < len; y++)//查找食物
{
if(foodname[i][y]==null)//查找空位
{
foodname[i][y] = foodn;
price[i][y] = pri;
break;
}
}
System.out.print("添加成功!!");
}
//删除食物
private void delectfood(int i)
{
Scanner oi = new Scanner(System.in);
System.out.print("输入食物名称:");
String foodn = oi.next();
int len = foodname[i].length;
for(int y = 0;y < len; y++)//查找食物
{
if(foodname[i][y]!=null)
{
if(foodname[i][y].equals(foodn))//查找食物
{
foodname[i][y]=null;
price[i][y] = (Double) null;
System.out.print("删除成功!!");
break;
}
}
}
System.out.print("添加成功!!");
}
//修改食物
private void modify(int i)
{
Scanner oi = new Scanner(System.in);
System.out.print("输入要修改食物名称:");
String foodn = oi.next();
int len = foodname[i].length;
for(int y = 0;y < len; y++)//查找食物
{
if(foodname[i][y]!=null)//查找名称
{
if(foodname[i][y].equals(foodn))//修改信息
{
System.out.print("输入修改后的名称:");
foodn = oi.next();
System.out.print("价格是否要修改?");
String han = oi.next();
if(han.equalsIgnoreCase("是"))
{
System.out.print("请输入修改后的价格:");
price[i][y] = oi.nextDouble();
}
else
{
break;
}
break;
}
}
}
System.out.print("修改成功!!");
}
//自动查找食物
private void findfood(int i)
{
int lenth = foodname[i].length;
for(int y = 0;y < lenth;y++)
{
if(foodname[i][y]!=null)
{
System.out.println("\t"+"名称："+foodname[i][y]+"\t"+"价格:"+price[i][y]+"\t");
}
}
}
}
//--------------------------以上是前台操作系统---------------------------------------
//--------------------------以下是管理员系统------------------------------------------
//登录后管理员系统
class Caozuo
{
public void run() {
System.out.println("|"+ "\t"+ "\t"+ "\t"+ "\t"+ "\t"+ "\t"+ "\t"+"\t"+"|");
System.out.println("欢迎登录公司管理员系统：");
Scanner scanner = new Scanner(System.in);
Administrators Ad = new Administrators();
staffOperation Bd = new staffOperation();
while(true)
{
System.out.println("|"+ "\t"+ "\t"+ "\t"+ "\t"+ "\t"+ "\t"+ "\t"+"\t"+"|");
System.out.println("|" + "\t"+ "请输入你要操作的对象[0-2]:1:员工 2:前台 0:返回上一级" + "\t"+"|");
System.out.print("请输入:");
int choise = scanner.nextInt();
switch(choise) {
case 1:
Bd.runs();
break;
case 2:
Ad.page();
break;
case 0:
break;
}
if(choise==0)
break;
}
}
}
//--------------------------以上是管理员系统---------------------------------
public class Deng03 {
public static void main(String[] args)
{
Mun start = new Mun();
start.operation();
}
}
来源：https://blog.csdn.net/baobeiduoduo/article/details/99592175