package com.company;
class commodity {
private int id;
private String name;
private int price;
int number;
public commodity(int id,String name,int price,int number){
this.id=id;
this.name=name;
this.price=price;
this.number=number;
}
public commodity(){
}
public commodity(int i){
Person.goods=new commodity[i];
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getPrice() {
return price;
}
public void setPrice(int price) {
this.price = price;
}
public int getNumber() {
return number;
}
public void setNumber(int number) {
this.number = number;
}
}
package com.company;
import java.util.Scanner;
class admin extends Person implements operate{
public admin(){
super();
}
Scanner sc = new Scanner(System.in);
public void operate(){
System.out.println("请输入确认操作:");
int i =sc.nextInt();
switch (i){
case 1:
select(goods);
break;
case 2:
add(goods);
break;
case 3:
delete(goods);
break;
case 4:
modify(goods);
break;
default:
System.out.println("输入有误!");
break;
}
}
public void select(commodity[]goods){
System.out.println("请输入名称进行查询:");
String name = sc.next();
if (name!=null){
for (int i = 0;i<goods.length;i++){
if (goods[i].getName().equals(name)){
System.out.println("有此商品");
System.out.println("商品信息为:(编号-名称-价格-数量)");
System.out.println(goods[i].getId()+" "+goods[i].getName()+" "+goods[i].getPrice()+" "+goods[i].getNumber());
break;
}
while (i== goods.length-1){
System.out.println("暂时没有此商品！");
break;}
}
}else{
System.out.println("暂时没有该商品！");
}
}
public void delete(commodity[]goods){
System.out.println("请输入要删除的商品:");
String str =sc.next();
if (str!=null){
for (int i =0;i< goods.length;i++){
if (goods[i].getName().equals(str)){
goods[i]=null;
System.out.println("删除成功！");
System.out.println(goods.length);
break;
}
}
}
}
public void add(commodity[]goods){
System.out.println("请输入商品编号:");
int id=sc.nextInt();
System.out.println("请输入商品名称：");
String name =sc.next();
System.out.println("请输入价格:");
int price=sc.nextInt();
System.out.println("请输入数量:");
int number=sc.nextInt();
for (int i =0;i< goods.length;i++){
if (goods[i].getId()!=0){
goods[i].setId(id);
goods[i].setName(name);
goods[i].setPrice(price);
goods[i].setNumber(number);
System.out.println("添加成功");
break;
}
}
}
public void modify(commodity[]goods){
System.out.println("请输入要修改商品的名称：");
String a = sc.next();
for (int i =0;i<goods.length;i++){
if (goods[i].getName().equals(a)) {
System.out.println("请输入修改后的价格:");
int s = sc.nextInt();
goods[i].setPrice(s);
System.out.println("修改成功！");
break;
}
}
}
}
package com.company;
import java.util.Scanner;
public class Store {
Scanner sc = new Scanner(System.in);
public void login(){
int count =0;
Person p = null;
while(count<2){
System.out.println("==============商品管理系统===============");
System.out.println("请登录:1.顾客 2.管理员 0.退出系统");
int n =sc.nextInt();
if (n==0){
return;
}
switch (n){
case 1 :
p=new customers();
System.out.println("用户登录成功！");
while(true){
System.out.println("请输入你的操作: 1.查找商品 2.购买商品 3.离开");
int i = sc.nextInt();
if (i==3){
System.out.println("您已经成功离开超市!");
break;
}else{
p.operate();
}
}
break;
case 2 :
p=new admin();
System.out.println("管理员登录成功!");
while(true){
System.out.println("请输入你的操作:1.查看商品 2.增加商品 3.删除商品 4.修改 5.退出");
int j =sc.nextInt();
if (j==5){
System.out.println("您已经成功退出");
break;
}else{
p.operate();
}
}
break;
}
}
}
}
package com.company;
import java.util.Scanner;
class customers extends Person implements operate{
public customers(){
super();
}
Scanner sc =new Scanner(System.in);
public void operate(){
System.out.println(“请输入您的操作：”);
int i = sc.nextInt();
switch (i){
case 1 :
select(goods);
break;
case 2 :
delete(goods);
break;
default:
System.out.println(“输入有误！”);
break;
}
}
public void select(commodity[]goods){
System.out.println(“请输入商品名称查询：”);
String name = sc.next();
if (name!=null){
for (int i =0;i<goods.length;i++){
if (goods[i].getName().equals(name)){
System.out.println(“有此商品!”);
System.out.println(“商品信息为:(编号-名称-价格-数量)”);
System.out.println(goods[i].getId()+" “+goods[i].getName()+” “+goods[i].getPrice()+” "+goods[i].getNumber());
break;
}while (igoods.length-1){
System.out.println(“暂时没有该商品！”);
break;}
}
}
}
public void delete(commodity[]goods){
System.out.println(“请输入将要买的商品:”);
String name=sc.next();
if (name!=null){
for (int i =0;i< goods.length-1;i++){
if (goods[i].getName().equals(name)){
System.out.println(“购买成功!”);
goods[i].setNumber(goods[i].getNumber()-1);
break;
}while (i goods.length-1){
System.out.println(“没有该商品！”);
break;
}
}
}
}
@Override
public void add(commodity[] goods) {
}
@Override
public void modify(commodity[] goods) {
}
}