From c21520d8eec76978dbb3bc6a39c3c3ebab2fcd81 Mon Sep 17 00:00:00 2001
From: seahi <me@seahi.me>
Date: Thu, 21 Nov 2024 09:35:47 +0800
Subject: [PATCH] =?UTF-8?q?=E6=A1=88=E4=BE=8B6-1=20=E5=BA=93=E5=AD=98?=
 =?UTF-8?q?=E7=AE=A1=E7=90=86=E7=B3=BB=E7=BB=9F?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/chapter6/Example04.java      |  4 ++
 src/chapter6/Example05.java      |  4 ++
 src/chapter6/Example3.java       |  4 ++
 src/chapter6/demo61/Goods.java   | 44 +++++++++++++++++
 src/chapter6/demo61/Manager.java | 81 ++++++++++++++++++++++++++++++++
 5 files changed, 137 insertions(+)
 create mode 100644 src/chapter6/Example04.java
 create mode 100644 src/chapter6/Example05.java
 create mode 100644 src/chapter6/Example3.java
 create mode 100644 src/chapter6/demo61/Goods.java
 create mode 100644 src/chapter6/demo61/Manager.java

diff --git a/src/chapter6/Example04.java b/src/chapter6/Example04.java
new file mode 100644
index 0000000..c722543
--- /dev/null
+++ b/src/chapter6/Example04.java
@@ -0,0 +1,4 @@
+package chapter6;
+
+public class Example04 {
+}
diff --git a/src/chapter6/Example05.java b/src/chapter6/Example05.java
new file mode 100644
index 0000000..94b9dae
--- /dev/null
+++ b/src/chapter6/Example05.java
@@ -0,0 +1,4 @@
+package chapter6;
+
+public class Example05 {
+}
diff --git a/src/chapter6/Example3.java b/src/chapter6/Example3.java
new file mode 100644
index 0000000..0072256
--- /dev/null
+++ b/src/chapter6/Example3.java
@@ -0,0 +1,4 @@
+package chapter6;
+
+public class Example3 {
+}
diff --git a/src/chapter6/demo61/Goods.java b/src/chapter6/demo61/Goods.java
new file mode 100644
index 0000000..2aae665
--- /dev/null
+++ b/src/chapter6/demo61/Goods.java
@@ -0,0 +1,44 @@
+package chapter6.demo61;
+
+/**
+ * 商品类
+ */
+public class Goods {
+    private String name;
+    private double price;
+    private int num;
+
+    public Goods(String name, double price, int num) {
+        this.name = name;
+        this.price = price;
+        this.num = num;
+    }
+
+    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 int getNum() {
+        return num;
+    }
+
+    public void setNum(int num) {
+        this.num = num;
+    }
+
+    public String toString() {
+        return name + "\t" + price + "\t" + num;
+    }
+}
diff --git a/src/chapter6/demo61/Manager.java b/src/chapter6/demo61/Manager.java
new file mode 100644
index 0000000..25437ce
--- /dev/null
+++ b/src/chapter6/demo61/Manager.java
@@ -0,0 +1,81 @@
+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);
+                    System.out.println("商品出库成功，出库后仓库商品如下：");
+                    showWareHouse();
+                    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) {
+        goodsList.remove(index);
+    }
+
+    // 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("==========================");
+    }
+}