From c2bf6a5516e73f40c8b6d26fea1301c71f597dee Mon Sep 17 00:00:00 2001
From: dyk123 <2090911948@qq.com>
Date: Tue, 28 Oct 2025 21:38:48 +0800
Subject: [PATCH] =?UTF-8?q?=E7=AC=AC=E4=B8=80=E6=AC=A1=E6=8F=90=E4=BA=A4?=
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---
 src/main/java/ConcreteProductA.java |  6 ++++++
 src/main/java/ConcreteProductB.java |  6 ++++++
 src/main/java/Factory.java          | 13 +++++++++++++
 src/main/java/FactoryTest.java      | 17 +++++++++++++++++
 src/main/java/Product.java          |  3 +++
 5 files changed, 45 insertions(+)
 create mode 100644 src/main/java/ConcreteProductA.java
 create mode 100644 src/main/java/ConcreteProductB.java
 create mode 100644 src/main/java/Factory.java
 create mode 100644 src/main/java/FactoryTest.java
 create mode 100644 src/main/java/Product.java

diff --git a/src/main/java/ConcreteProductA.java b/src/main/java/ConcreteProductA.java
new file mode 100644
index 0000000..3c3c0c4
--- /dev/null
+++ b/src/main/java/ConcreteProductA.java
@@ -0,0 +1,6 @@
+public class ConcreteProductA implements Product {
+    @Override
+    public void operation() {
+        System.out.println("ConcreteProductA operation");
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/ConcreteProductB.java b/src/main/java/ConcreteProductB.java
new file mode 100644
index 0000000..0f17fd9
--- /dev/null
+++ b/src/main/java/ConcreteProductB.java
@@ -0,0 +1,6 @@
+public class ConcreteProductB implements Product {
+    @Override
+    public void operation() {
+        System.out.println("ConcreteProductB operation");
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/Factory.java b/src/main/java/Factory.java
new file mode 100644
index 0000000..159f8c0
--- /dev/null
+++ b/src/main/java/Factory.java
@@ -0,0 +1,13 @@
+public class Factory {
+    public static Product createProduct(String type) {
+        if (type == null) {
+            return null;
+        }
+        if (type.equalsIgnoreCase("A")) {
+            return new ConcreteProductA();
+        } else if (type.equalsIgnoreCase("B")) {
+            return new ConcreteProductB();
+        }
+        return null;
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/FactoryTest.java b/src/main/java/FactoryTest.java
new file mode 100644
index 0000000..5960b43
--- /dev/null
+++ b/src/main/java/FactoryTest.java
@@ -0,0 +1,17 @@
+public class FactoryTest {
+    public static void main(String[] args) {
+        // 测试创建ConcreteProductA
+        Product productA = Factory.createProduct("A");
+        System.out.println("创建产品A：");
+        productA.operation();
+        
+        // 测试创建ConcreteProductB
+        Product productB = Factory.createProduct("B");
+        System.out.println("\n创建产品B：");
+        productB.operation();
+        
+        // 测试无效类型
+        Product invalidProduct = Factory.createProduct("C");
+        System.out.println("\n创建无效产品：" + (invalidProduct == null ? "返回null" : "失败"));
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/Product.java b/src/main/java/Product.java
new file mode 100644
index 0000000..a413802
--- /dev/null
+++ b/src/main/java/Product.java
@@ -0,0 +1,3 @@
+public interface Product {
+    void operation();
+}
\ No newline at end of file