Java 商品入库系统案例

测试类

package 练习.商品入库系统;import java.util.ArrayList;
import java.util.Scanner;
public class Test {public static final int Enrool = 1;public static final int Search = 2;public static final int Delect = 3;public static final int Exit   = 4;public static void main(String[] args) {//创建手机类的商品集合ArrayList<Phone> goods = new ArrayList<>();// 用户的操作Choice(goods);}// 登记商品public static void Enroll(ArrayList<Phone> goods){Scanner sc = new Scanner(System.in);System.out.println("请输入商品品牌：");Phone goods1 = new Phone();String name = sc.next();goods1.setName(name);System.out.println("请输入商品价格：");double price = sc.nextDouble();goods1.setPrice(price);System.out.println("请输入商品型号：");String configuration = sc.next();goods1.setConfiguration(configuration);System.out.println("请输入商品库存数：");int storage = sc.nextInt();goods1.setStorage(storage);goods.add(goods1);System.out.println("添加成功");}// 查询商品public static void Search(ArrayList<Phone> goods){System.out.println("输入你要查询的商品品牌");Scanner sc = new Scanner(System.in);String name = sc.next();// 判断商品是否在仓库如果在就输出，不在就提示for (int i = 0; i < goods.size(); i++) {if(goods.get(i).getName().equals(name)){System.out.println("品牌："+goods.get(i).getName()+"\t价格："+goods.get(i).getPrice()+"元\t型号："+goods.get(i).getConfiguration()+"\t\t剩余库存："+goods.get(i).getStorage()+"部\t剩余库存总价值："+goods.get(i).Sum()+"元");} else if (i== goods.size()-1) {System.out.println("仓库无此品牌商品");}}}// 删除商品public static void Delete(ArrayList<Phone> goods){Scanner sc = new Scanner(System.in);System.out.println("输入要删除的品牌");String name = sc.next();// 检索要删除的品牌的所有型号for (int i = 0; i < goods.size(); i++) {if (goods.get(i).getName().equals(name)) {System.out.println("要删除的品牌所有型号信息如下：");System.out.println("品牌：" + goods.get(i).getName() + "\t价格：" + goods.get(i).getPrice() + "元\t型号：" + goods.get(i).getConfiguration() + "\t\t剩余库存：" + goods.get(i).getStorage() + "部\t剩余库存总价值：" + goods.get(i).Sum() + "元");} else if (i == goods.size() - 1) {System.out.println("仓库无此品牌商品");}}// 删除相应的品牌的特定型号的数据System.out.println("输入要删除的型号：");String configuration = sc.next();for (int i = 0; i < goods.size(); i++) {if (goods.get(i).getConfiguration().equals(configuration)) {goods.remove(i);System.out.println("删除成功");} else if (i == goods.size() - 1) {System.out.println("仓库无此型号商品");}}}// 用户的操作public static void Choice(ArrayList<Phone> goods){Scanner sc = new Scanner(System.in);// 结束标志do {System.out.println("请选择你的操作：1.登记商品\t2.查询商品\t3.删除商品\t4.退出");int choice = sc.nextInt();switch (choice) {// 登记商品case Enrool:Enroll(goods);break;// 查询商品case Search:Search(goods);break;// 删除商品case Delect:Delete(goods);break;// 退出case Exit:System.exit(0);default:System.out.println("请输入1 2 3 4 执行操作");}}while(true);}
}

手机类

package 练习.商品入库系统;import java.math.BigDecimal;public class Phone {private String name;private double price;private String configuration;private int storage;private BigDecimal sum;public Phone(){}public Phone(String name, double price, String configuration, int storage, BigDecimal sum) {this.name = name;this.price = price;this.configuration = configuration;this.storage = storage;this.sum = sum;}public String getName() {return name;}public void setName(String name) {this.name = name;}public double getPrice() {return price;}public void setPrice(double price) {this.price = price;}public String getConfiguration() {return configuration;}public void setConfiguration(String configuration) {this.configuration = configuration;}public int getStorage() {return storage;}public void setStorage(int storage) {this.storage = storage;}public BigDecimal getSum() {return sum;}public void setSum(BigDecimal sum) {this.sum = sum;}public BigDecimal Sum(){BigDecimal sum = BigDecimal.valueOf(getPrice() * getStorage());setSum(sum.setScale(2, BigDecimal.ROUND_HALF_DOWN));return getSum();}}