煎饼装饰

Author: CPU-Code

pattern/README.md

@@ -98,10 +98,10 @@
 - [x] [登录适配器](src/main/java/com/cpucode/pattern/adapter/login/adapter/v1/service/SigninForThirdServiceTest.java)
 - [x] [各登录适配器](src/main/java/com/cpucode/pattern/adapter/login/adapter/v2/PassportTest.java)
 
-## [装饰器模式]()
-
-- [] []()
+## [装饰器模式](src/main/java/com/cpucode/pattern/decorator)
 
+- [x] [煎饼装饰](src/main/java/com/cpucode/pattern/decorator/batter/cake/v1/BatterCakeTest.java)
+- [x] [煎饼装饰v2](src/main/java/com/cpucode/pattern/decorator/batter/cake/v2/BattercakeTest.java)
 
 ----------------
 

pattern/src/main/java/com/cpucode/pattern/decorator/batter/cake/v1/BatterCake.java

@@ -0,0 +1,18 @@
+package com.cpucode.pattern.decorator.batter.cake.v1;
+
+/**
+ * @author : cpucode
+ * @date : 2021/7/10
+ * @time : 23:26
+ * @github : https://github.com/CPU-Code
+ * @csdn : https://blog.csdn.net/qq_44226094
+ */
+public class BatterCake {
+    protected String getMsg(){
+        return "煎饼";
+    }
+
+    public int getPrice(){
+        return 5;
+    }
+}

pattern/src/main/java/com/cpucode/pattern/decorator/batter/cake/v1/BatterCakeTest.java

@@ -0,0 +1,27 @@
+package com.cpucode.pattern.decorator.batter.cake.v1;
+
+/**
+ * @author : cpucode
+ * @date : 2021/7/10
+ * @time : 23:30
+ * @github : https://github.com/CPU-Code
+ * @csdn : https://blog.csdn.net/qq_44226094
+ */
+public class BatterCakeTest {
+    public static void main(String[] args) {
+        BatterCake batterCake = new BatterCake();
+
+        System.out.println(batterCake.getMsg() + ", 总价格：" + batterCake.getPrice());
+
+        BatterCake batterCakeWithEgg = new BatterCakeWithEgg();
+        System.out.println(batterCakeWithEgg.getMsg() +
+                ", 总价格：" +
+                batterCakeWithEgg.getPrice());
+
+        BatterCake battercakeWithEggAndSausage = new BatterCakeWithEggAndSausage();
+        System.out.println(battercakeWithEggAndSausage.getMsg() +
+                ", 总价格：" +
+                battercakeWithEggAndSausage.getPrice());
+
+    }
+}

pattern/src/main/java/com/cpucode/pattern/decorator/batter/cake/v1/BatterCakeWithEgg.java

@@ -0,0 +1,24 @@
+package com.cpucode.pattern.decorator.batter.cake.v1;
+
+/**
+ * @author : cpucode
+ * @date : 2021/7/10
+ * @time : 23:28
+ * @github : https://github.com/CPU-Code
+ * @csdn : https://blog.csdn.net/qq_44226094
+ */
+public class BatterCakeWithEgg extends BatterCake{
+    @Override
+    protected String getMsg(){
+        return super.getMsg() + "+1个鸡蛋";
+    }
+
+    /**
+     * 加一个鸡蛋加1块钱
+     * @return
+     */
+    @Override
+    public int getPrice() {
+        return super.getPrice() + 1;
+    }
+}

pattern/src/main/java/com/cpucode/pattern/decorator/batter/cake/v1/BatterCakeWithEggAndSausage.java

@@ -0,0 +1,24 @@
+package com.cpucode.pattern.decorator.batter.cake.v1;
+
+/**
+ * @author : cpucode
+ * @date : 2021/7/10
+ * @time : 23:29
+ * @github : https://github.com/CPU-Code
+ * @csdn : https://blog.csdn.net/qq_44226094
+ */
+public class BatterCakeWithEggAndSausage extends BatterCakeWithEgg {
+    @Override
+    protected String getMsg() {
+        return super.getMsg() + "+1根香肠";
+    }
+
+    /**
+     * 加一个香肠加2块钱
+     * @return
+     */
+    @Override
+    public int getPrice() {
+        return super.getPrice() + 2;
+    }
+}