86 lines
2.7 KiB
Java
86 lines
2.7 KiB
Java
package chapter6.demo61;
|
||
|
||
import java.util.ArrayList;
|
||
import java.util.Iterator;
|
||
import java.util.List;
|
||
import java.util.Scanner;
|
||
|
||
public class Manager {
|
||
static ArrayList goodsList = new ArrayList<>();
|
||
// static ArrayList<Goods> goodsList = new ArrayList<>();
|
||
public static void main(String[] args) {
|
||
Goods meizu = new Goods("魅族22", 3999, 11);
|
||
goodsList.add(meizu);
|
||
|
||
goodsList.add(new Goods("小米15", 6899, 10));
|
||
goodsList.add(new Goods("iPhone15", 5999, 2));
|
||
|
||
while (true) {
|
||
System.out.println("欢迎使用库房管理系统");
|
||
System.out.println("1. 商品入库");
|
||
System.out.println("2. 商品显示");
|
||
System.out.println("3. 商品出库");
|
||
System.out.print("请选择要进行的操作：");
|
||
|
||
Scanner sc = new Scanner(System.in);
|
||
int select = sc.nextInt();
|
||
switch (select) {
|
||
case 1:
|
||
addGoods();
|
||
System.out.println("商品入库成功，入库后仓库商品如下：");
|
||
showWareHouse();
|
||
break;
|
||
case 2:
|
||
showWareHouse();
|
||
break;
|
||
case 3:
|
||
System.out.print("请输入要出库的商品编号：");
|
||
int id = sc.nextInt();
|
||
removeGoods(id);
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
// 商品入库
|
||
static void addGoods() {
|
||
Scanner sc = new Scanner(System.in);
|
||
|
||
System.out.print("商品名称：");
|
||
String name = sc.next();
|
||
|
||
System.out.print("商品价格：");
|
||
double price = sc.nextDouble();
|
||
|
||
System.out.print("商品数量：");
|
||
int num = sc.nextInt();
|
||
|
||
// Goods g = new Goods(name, price, num);
|
||
// goodsList.add(g);
|
||
|
||
goodsList.add(new Goods(name, price, num));
|
||
}
|
||
|
||
// 商品出库（从goodList中删除指定位置的元素）
|
||
static void removeGoods(int index) {
|
||
if (index >= 0 && index < goodsList.size()) {
|
||
goodsList.remove(index);
|
||
System.out.println("商品出库成功，出库后仓库商品如下：");
|
||
showWareHouse();
|
||
} else {
|
||
System.out.println("商品不存在！");
|
||
}
|
||
}
|
||
|
||
// 使用迭代器遍历商品
|
||
static void showWareHouse() {
|
||
System.out.println("==========================");
|
||
Iterator iterator = goodsList.iterator();
|
||
while (iterator.hasNext()) {
|
||
Goods goods = (Goods) iterator.next(); // 类型转换（Object->Goods）
|
||
System.out.println(goods);
|
||
}
|
||
System.out.println("==========================");
|
||
}
|
||
}
|