public class ArticleManage {
ArticleSetarticleSet =new ArticleSet();
Scannerinput;
public ArticleManage() {
this.input =new Scanner(System.in);
}
public void initial() {
Article xiaoMi9 =new Article();
xiaoMi9.name ="小米9";
xiaoMi9.price =2799.0D;
xiaoMi9.amount =60;
xiaoMi9.number =0;
Article xiaoMiMIX3 =new Article();
xiaoMiMIX3.name ="小米MIX3";
xiaoMiMIX3.price =2049.0D;
xiaoMiMIX3.amount =40;
xiaoMiMIX3.number =0;
Article redMiNote7Pro =new Article();
redMiNote7Pro.name ="红米note7Pro";
redMiNote7Pro.price =699.0D;
redMiNote7Pro.amount =80;
redMiNote7Pro.number =0;
Article xiaoMiPlay =new Article();
xiaoMiPlay.name ="小米Play";
xiaoMiPlay.price =749.0D;
xiaoMiPlay.amount =100;
xiaoMiPlay.number =0;
this.articleSet.articles[0] = xiaoMi9;
this.articleSet.articles[1] = xiaoMiMIX3;
this.articleSet.articles[2] = redMiNote7Pro;
this.articleSet.articles[3] = xiaoMiPlay;
}
public void startMenu() {
boolean flag =true;
do {
System.out.println("欢迎使用超市管理系统");
System.out.println("------------------------------");
System.out.println("1. 查看商品信息");
System.out.println("2. 新增商品信息");
System.out.println("3. 删除商品信息");
System.out.println("4. 卖出商品");
System.out.println("5. 商品销售排行榜");
System.out.println("6. 退出");
System.out.println("------------------------------");
System.out.println("请选择要执行的操作: ");
int choice =this.input.nextInt();
switch(choice) {
case 1:
System.out.println("查看商品信息");
break;
case 2:
System.out.println("新增商品信息");
break;
case 3:
System.out.println("删除商品信息");
break;
case 4:
System.out.println("卖出商品");
break;
case 5:
System.out.println("商品销售排行榜");
break;
case 6:
System.out.println("谢 谢 使 用!");
break;
default:
System.out.println("输入不符合要求请重新选择!");
}
}while(flag);
}
public void search() {
System.out.println("编号\t 名称\t 价格\t 库存\t 售出");
for(int i =0; i
if (this.articleSet.articles[i] !=null) {
this.articleSet.articles[i].print(i +1);
}
}
}
public void add() {
System.out.println("请输入商品名称：");
String name =this.input.next();
System.out.println("请输入价格：");
int price =this.input.nextInt();
System.out.println("请输入库存");
int amount =this.input.nextInt();
Article article =new Article();
article.name = name;
article.price = (double)price;
article.amount = amount;
article.number =0;
for(int i =0; i
if (this.articleSet.articles[i] ==null) {
this.articleSet.articles[i] = article;
}
}
}
public void delete() {
System.out.println("请输入商品编号：");
boolean flag =true;
int card =this.input.nextInt();
for(int i =0; i
if (this.articleSet.articles[i] !=null && i +1 == card) {
int j;
for(j = i; this.articleSet.articles[j + i] !=null; ++j) {
this.articleSet.articles[j] =this.articleSet.articles[j +1];
}
this.articleSet.articles[j] =null;
flag =true;
break;
}
flag =false;
}
if (flag) {
System.out.println("删除成功！");
}else {
System.out.println("删除失败，请重新操作！");
}
}
public void sell() {
System.out.println("请输入你要卖出的商品名称：");
String name =this.input.next();
boolean flag =true;
for(int i =0; i
if (this.articleSet.articles[i] !=null &&this.articleSet.articles[i].name.equals(name)) {
System.out.println("请输入你要卖出的数量");
int number =this.input.nextInt();
if (number <=this.articleSet.articles[i].amount) {
this.articleSet.articles[i].number += number;
this.articleSet.articles[i].amount -= number;
flag =true;
}else {
System.out.println("商品数量不够，请抓紧进货");
flag =true;
}
break;
}
flag =false;
}
if (flag) {
System.out.println("卖出商品成功！");
}else {
System.out.println("卖出商品失败");
}
}
public void leaderboard() {
Article[] articles =new Article[50];
int i;
for(i =0; i < articles.length; ++i) {
if (this.articleSet.articles[i] !=null) {
articles[i] =this.articleSet.articles[i];
}
}
for(i =0; i < articles.length -1; ++i) {
for(int j =0; j < articles.length - i -1; ++j) {
if (articles[j +1] !=null && articles[j].number < articles[j +1].number) {
Article tempArticle = articles[j];
articles[j] = articles[j +1];
articles[j +1] = tempArticle;
}
}
}
System.out.println("***************************");
System.out.println("名次\t 销售数量\t 商品名称");
for(i =0; i < articles.length; ++i) {
if (articles[i] !=null) {
System.out.println(i +1 +"\t" + articles[i].number +"\t" + articles[i].name);
}
}
}
}