// 购买商品
@SuppressWarnings("resource")
public void buy(int no) {
for (int i = 0; i < good.length; i++) {
if (no == good[i].getShoppingID()) {
System.out.println("商品编号：" + good[i].getShoppingID() + ",商品名："
+ good[i].getShoppingName() + ",价格："
+ good[i].getPrice());
System.out.println("是否确认购买(请回复y/n)？");
Scanner scan2 = new Scanner(System.in);
String sttr2 = scan2.next();
if (sttr2.equals("y")) {
System.out.println("商品购买成功！");
} else if (sttr2.equals("n")) {
System.out.println("商品购买失败！");
} else {
System.out.println("输入有误！");
}
}
}
}

// 添加商品
@SuppressWarnings("resource")
public void add() {
Scanner scanner1 = new Scanner(System.in);
System.out.println("请输入商品编号：");
int str1 = scanner1.nextInt();
Scanner scanner2 = new Scanner(System.in);
System.out.println("请输入商品名：");
String str2 = scanner2.next();
Scanner scanner3 = new Scanner(System.in);
System.out.println("请输入商品价格：");
int str3 = scanner3.nextInt();
for (int i = 0; i < good.length; i++) {
if (good[i].getShoppingID() != 0) {
if (good[i].getShoppingID() == str1) {
System.out.println("该商品已存在！！！");
return;
}
}
}
for (int i = 0; i < good.length; i++) {
if (good[i].getShoppingID() == 0) {
good[i] = new goods(str1, str2, str3);
System.out.println("商品添加成功！");
break;
}
}
}

// 移除商品
public void remove(int no) {
for (int i = 0; i < good.length; i++) {
if (good[i].getShoppingID() != 0) {
if (no == good[i].getShoppingID()) {
good[i] = new goods();
System.out.println("商品已删除！");
} else {
System.out.println("不存在该商品！");
}
}
}
}

// 商品修改
@SuppressWarnings("resource")
public void modify(int no) {
for (int i = 0; i < good.length; i++) {
if (good[i].getShoppingID() != 0) {
if (no == good[i].getShoppingID()) {
Scanner scanner2 = new Scanner(System.in);
System.out.println("请输入商品名：");
String str2 = scanner2.next();
Scanner scanner3 = new Scanner(System.in);
System.out.println("请输入商品价格：");
int str3 = scanner3.nextInt();
good[i] = new goods(no, str2, str3);
System.out.println("商品已修改。。。");
return;
}
}
}
System.out.println("商品未找到。。。");
}

// 显示商品
public void show() {
for (int i = 0; i < good.length; i++) {
if (good[i].getShoppingID() != 0) {
System.out.println("商品编号：" + good[i].getShoppingID() + ",商品名："
+ good[i].getShoppingName() + ",价格："
+ good[i].getPrice());
}
}
}

// 进入购物车
public void cartShow() {
System.out.println(user[num].getUserName() + "的购物车：");
for (int i = 0; i < cart.length; i++) {
if (cart[i].getShoppingID() != 0) {
System.out.println("商品编号：" + cart[i].getShoppingID() + ",商品名："
+ cart[i].getShoppingName() + ",价格："
+ cart[i].getPrice());
}
}
}

}