diff --git a/.idea/misc.xml b/.idea/misc.xml
index d5d79e0..a9dcdb0 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="false" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="false" project-jdk-name="1.8.0_221" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>
\ No newline at end of file
diff --git a/DesignPatternProject/.idea/misc.xml b/DesignPatternProject/.idea/misc.xml
index 61e5329..876b2a6 100644
--- a/DesignPatternProject/.idea/misc.xml
+++ b/DesignPatternProject/.idea/misc.xml
@@ -3,7 +3,7 @@
   <component name="ProjectKey">
     <option name="state" value="project://e2804f05-5315-4fc6-a121-c522a6c26470" />
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" project-jdk-name="11" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" project-jdk-name="1.8.0_221" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/../../JAVA/DesignPatternProject/DesignPatternProject/out" />
   </component>
 </project>
\ No newline at end of file
diff --git a/DesignPatternProject/.idea/vcs.xml b/DesignPatternProject/.idea/vcs.xml
index b2bdec2..64713b8 100644
--- a/DesignPatternProject/.idea/vcs.xml
+++ b/DesignPatternProject/.idea/vcs.xml
@@ -2,5 +2,6 @@
 <project version="4">
   <component name="VcsDirectoryMappings">
     <mapping directory="$PROJECT_DIR$/../.." vcs="Git" />
+    <mapping directory="$PROJECT_DIR$/.." vcs="Git" />
   </component>
 </project>
\ No newline at end of file
diff --git a/DesignPatternProject/.idea/workspace.xml b/DesignPatternProject/.idea/workspace.xml
index 0171a73..aef4b7d 100644
--- a/DesignPatternProject/.idea/workspace.xml
+++ b/DesignPatternProject/.idea/workspace.xml
@@ -24,7 +24,7 @@
     </option>
   </component>
   <component name="Git.Settings">
-    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$/../.." />
+    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$/.." />
   </component>
   <component name="ProjectCodeStyleSettingsMigration">
     <option name="version" value="1" />
diff --git a/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/AdaptorDemo/Coupon.java b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/AdaptorDemo/Coupon.java
new file mode 100644
index 0000000..6e62354
--- /dev/null
+++ b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/AdaptorDemo/Coupon.java
@@ -0,0 +1,17 @@
+package edu.tongji.designpattern.ClassDesign.Business.AdaptorDemo;
+/*
+ * created by zhujitao
+ * 2019/10/22
+ * A类优惠卷，可以享受6.8折优惠
+ * */
+
+public interface Coupon {
+
+    final String type = "";
+    final double discountPercentage = 0;
+
+    public double returnDiscount();
+
+    public String getType();
+
+}
diff --git a/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/AdaptorDemo/CouponA.java b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/AdaptorDemo/CouponA.java
new file mode 100644
index 0000000..2b57bc9
--- /dev/null
+++ b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/AdaptorDemo/CouponA.java
@@ -0,0 +1,23 @@
+package edu.tongji.designpattern.ClassDesign.Business.AdaptorDemo;
+
+/*
+ * created by zhujitao
+ * 2019/10/22
+ * A类优惠卷，可以享受6.8折优惠
+ * */
+
+public class CouponA implements Coupon {
+
+    final String type = "A";
+    final double discountPercentage = 0.68;
+
+    @Override
+    public String getType() {
+        return type;
+    }
+
+    @Override
+    public double returnDiscount() {
+          return discountPercentage;
+    }
+}
diff --git a/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/AdaptorDemo/CouponB.java b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/AdaptorDemo/CouponB.java
new file mode 100644
index 0000000..9d09197
--- /dev/null
+++ b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/AdaptorDemo/CouponB.java
@@ -0,0 +1,21 @@
+package edu.tongji.designpattern.ClassDesign.Business.AdaptorDemo;/*
+ * created by zhujitao
+ * 2019/10/22
+ * B类优惠卷，可以享受8.8折优惠
+ * */
+
+public class CouponB implements Coupon {
+
+    final String type = "B";
+    final double discountPercentage = 0.88;
+
+    @Override
+    public String getType() {
+        return type;
+    }
+
+    @Override
+    public double returnDiscount() {
+          return discountPercentage;
+    }
+}
diff --git a/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/AdaptorDemo/CouponC.java b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/AdaptorDemo/CouponC.java
new file mode 100644
index 0000000..076e0f7
--- /dev/null
+++ b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/AdaptorDemo/CouponC.java
@@ -0,0 +1,21 @@
+package edu.tongji.designpattern.ClassDesign.Business.AdaptorDemo;/*
+* created by zhujitao
+* 2019/10/22
+* C类优惠卷，可以享受9.8折优惠
+* */
+
+public class CouponC implements Coupon {
+
+    final String type = "A";
+    final double discountPercentage = 0.98;
+
+    @Override
+    public String getType() {
+        return type;
+    }
+
+    @Override
+    public double returnDiscount() {
+          return discountPercentage;
+    }
+}
diff --git a/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/AdaptorDemo/CouponN.java b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/AdaptorDemo/CouponN.java
new file mode 100644
index 0000000..64e9c17
--- /dev/null
+++ b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/AdaptorDemo/CouponN.java
@@ -0,0 +1,24 @@
+package edu.tongji.designpattern.ClassDesign.Business.AdaptorDemo;
+
+/*
+ * created by zhujitao
+ * 2019/10/22
+ * N类优惠卷，就是没有优惠卷，不享受任何优惠
+ * */
+
+public class CouponN implements Coupon {
+
+    final String type = "N";
+    final double discountPercentage = 0.0;
+
+    @Override
+    public String getType() {
+        return type;
+    }
+
+    @Override
+    public double returnDiscount() {
+        return discountPercentage;
+    }
+}
+
diff --git a/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/AdaptorDemo/Discount.java b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/AdaptorDemo/Discount.java
new file mode 100644
index 0000000..5529a63
--- /dev/null
+++ b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/AdaptorDemo/Discount.java
@@ -0,0 +1,11 @@
+package edu.tongji.designpattern.ClassDesign.Business.AdaptorDemo;/*
+ * created by zhujitao
+ * 2019/10/22
+ * 优惠卷适配器的接口
+ * */
+
+public interface Discount {
+
+    public double getDiscount();
+
+}
diff --git a/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/AdaptorDemo/DiscountAdapter.java b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/AdaptorDemo/DiscountAdapter.java
new file mode 100644
index 0000000..a32f79b
--- /dev/null
+++ b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/AdaptorDemo/DiscountAdapter.java
@@ -0,0 +1,28 @@
+package edu.tongji.designpattern.ClassDesign.Business.AdaptorDemo;/*
+ * created by zhujitao
+ * 2019/10/22
+ * 优惠卷的适配器，通过输入的字符串返回不同的折扣比例
+ * */
+
+public class DiscountAdapter implements Discount {
+
+    Coupon coupon = null;
+    private  String couponType = "";
+
+    public DiscountAdapter(String couponType){
+        this.couponType = couponType;
+    }
+
+    @Override
+    public double getDiscount() {
+        if(couponType.equals("A")){
+            coupon = new CouponA();
+        }else if(couponType.equals("B")){
+            coupon = new CouponB();
+        }else if(couponType.equals("C")){
+            coupon = new CouponC();
+        }
+        return coupon.returnDiscount();
+    }
+
+}
diff --git a/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/AdaptorDemo/RealDiscount.java b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/AdaptorDemo/RealDiscount.java
new file mode 100644
index 0000000..e6a0b74
--- /dev/null
+++ b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/AdaptorDemo/RealDiscount.java
@@ -0,0 +1,24 @@
+package edu.tongji.designpattern.ClassDesign.Business.AdaptorDemo;
+
+/*
+ * created by zhujitao
+ * 2019/10/22
+ * 实际得到具体折扣的类，通过输入的字符串返回不同的折扣比例
+ * */
+
+public class RealDiscount implements Discount {
+
+    DiscountAdapter discountAdapter = null;
+    String couponType = "";
+
+
+    public RealDiscount(String couponType){
+        this.couponType = couponType;
+    }
+
+    @Override
+    public double getDiscount() {
+        discountAdapter = new DiscountAdapter(couponType);
+        return discountAdapter.getDiscount();
+    }
+}
diff --git a/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/ChainofResponsibilityDemo/Complaint.java b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/ChainofResponsibilityDemo/Complaint.java
new file mode 100644
index 0000000..d8fff9d
--- /dev/null
+++ b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/ChainofResponsibilityDemo/Complaint.java
@@ -0,0 +1,76 @@
+package edu.tongji.designpattern.ClassDesign.Business.ChainofResponsibilityDemo;
+
+/*
+ * created by zhujitao
+ * 2019/10/22
+ * 责任链模式里面的投诉类
+ * */
+
+
+import edu.tongji.designpattern.ClassDesign.Person.Employee;
+import edu.tongji.designpattern.ClassDesign.Person.Manager;
+import edu.tongji.designpattern.ClassDesign.Person.Waiter;
+
+public class Complaint {
+
+     Manager manager;
+     Waiter waiter;
+
+     Employee employee;
+
+     public int level;
+
+     public Complaint(int level, Manager manager, Waiter waiter){
+         this.level = level;
+         this.manager  =manager;
+         this.waiter = waiter;
+     }
+
+     //责任链模式，将投诉通过类型进行分析，如果是低级投诉就
+     //使用服务员来解决，高级投诉使用经理来解决
+     //假设投诉登记为1时服务员前来处理，否则的话是由经理来处理
+     //最终默认投诉会被处理
+     public void setCurHanlder(){
+         if (level==1){
+             employee = waiter;
+         }else {
+             employee = manager;
+         }
+     }
+
+     public void settleProblem(){
+         employee.settleComplaint();
+     }
+
+    public Employee getEmployee() {
+        return employee;
+    }
+
+    public int getLevel() {
+        return level;
+    }
+
+    public Manager getManager() {
+        return manager;
+    }
+
+    public Waiter getWaiter() {
+        return waiter;
+    }
+
+    public void setEmployee(Employee employee) {
+        this.employee = employee;
+    }
+
+    public void setLevel(int level) {
+        this.level = level;
+    }
+
+    public void setManager(Manager manager) {
+        this.manager = manager;
+    }
+
+    public void setWaiter(Waiter waiter) {
+        this.waiter = waiter;
+    }
+}
diff --git a/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/DecoratorDemo/CashierDecorator.java b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/DecoratorDemo/CashierDecorator.java
new file mode 100644
index 0000000..34361e8
--- /dev/null
+++ b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/DecoratorDemo/CashierDecorator.java
@@ -0,0 +1,26 @@
+package edu.tongji.designpattern.ClassDesign.Business.DecoratorDemo;
+
+/*
+ * created by zhujitao
+ * 2019/10/22
+ * 收银员类的抽象装饰类
+ * */
+
+import edu.tongji.designpattern.ClassDesign.Person.Cashier;
+
+public abstract class CashierDecorator {
+
+    Cashier decoratedCashier;
+
+    public CashierDecorator(Cashier decoratedCashier){
+        this.decoratedCashier = decoratedCashier;
+    }
+
+    public boolean settleAccount(){
+        boolean flag = false;
+        //这里执行结账操作，结账成功返回true
+        decoratedCashier.settleAccount();
+        return flag;
+    }
+
+}
diff --git a/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/DecoratorDemo/VIPCashierDecorator.java b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/DecoratorDemo/VIPCashierDecorator.java
new file mode 100644
index 0000000..3ab9cce
--- /dev/null
+++ b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/DecoratorDemo/VIPCashierDecorator.java
@@ -0,0 +1,45 @@
+package edu.tongji.designpattern.ClassDesign.Business.DecoratorDemo;
+
+/*
+ * created by zhujitao
+ * 2019/10/22
+ * 收银员类的装饰类的具体的类
+ * */
+
+import edu.tongji.designpattern.ClassDesign.Person.Cashier;
+
+import java.util.Scanner;
+
+public class VIPCashierDecorator extends CashierDecorator {
+
+    //初始化函数
+    public VIPCashierDecorator(Cashier decoratedCashier){
+        super(decoratedCashier);
+    }
+
+    @Override
+    public boolean settleAccount() {
+        boolean flag = false;
+        flag = super.settleAccount();
+        //在正常结账之后进行VIP推荐服务
+        VIPApplication();
+        return flag;
+    }
+
+    public boolean VIPApplication(){
+        boolean flag = false;
+        //在下面询问顾客是否办理VIP，然后执行对应的操作
+        System.out.println("您现在还不是VIP用户，需要为您办理VIP专属卡吗？");
+        String answer = "";
+        Scanner input =new Scanner(System.in);
+        answer = input.next();
+        if(answer.equals("Yes")){
+            System.out.println("感谢您的信任，您现在已经是本店的VIP贵宾了，以后请多多支持！");
+        }else {
+            System.out.println("期待您对本店的进一步支持！");
+        }
+
+        return flag;
+    }
+
+}
diff --git a/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/Facade/BeerOpener.java b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/Facade/BeerOpener.java
new file mode 100644
index 0000000..74aed3f
--- /dev/null
+++ b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/Facade/BeerOpener.java
@@ -0,0 +1,9 @@
+package edu.tongji.designpattern.ClassDesign.Business.Facade;
+
+public class BeerOpener implements DrinkOpener {
+
+    @Override
+    public void Open() {
+        System.out.println("class BeerOpener：method Open：服务员为您打开了百威啤酒！");
+    }
+}
diff --git a/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/Facade/CockOpener.java b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/Facade/CockOpener.java
new file mode 100644
index 0000000..6c5d99b
--- /dev/null
+++ b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/Facade/CockOpener.java
@@ -0,0 +1,9 @@
+package edu.tongji.designpattern.ClassDesign.Business.Facade;
+
+public class CockOpener implements DrinkOpener {
+
+    @Override
+    public void Open() {
+        System.out.println("class CockOpener：method Open：服务员为您打开了可乐！");
+    }
+}
diff --git a/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/Facade/DarkPlumJuiceOpener.java b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/Facade/DarkPlumJuiceOpener.java
new file mode 100644
index 0000000..4cf46c0
--- /dev/null
+++ b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/Facade/DarkPlumJuiceOpener.java
@@ -0,0 +1,9 @@
+package edu.tongji.designpattern.ClassDesign.Business.Facade;
+
+public class DarkPlumJuiceOpener implements DrinkOpener {
+
+    @Override
+    public void Open() {
+        System.out.println("class DarkPlumJuiceOpener：method Open：服务员为您打开了酸梅汁！");
+    }
+}
diff --git a/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/Facade/DrinkOpener.java b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/Facade/DrinkOpener.java
new file mode 100644
index 0000000..d02b701
--- /dev/null
+++ b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/Facade/DrinkOpener.java
@@ -0,0 +1,7 @@
+package edu.tongji.designpattern.ClassDesign.Business.Facade;
+
+public interface DrinkOpener {
+
+        void Open ();
+
+}
diff --git a/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/Facade/OpenerMaker.java b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/Facade/OpenerMaker.java
new file mode 100644
index 0000000..c7ed00f
--- /dev/null
+++ b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/Facade/OpenerMaker.java
@@ -0,0 +1,27 @@
+package edu.tongji.designpattern.ClassDesign.Business.Facade;
+
+public class OpenerMaker {
+    private DrinkOpener beerOpener;
+    private DrinkOpener cockOpener;
+    private DrinkOpener spriteOpener;
+    private DrinkOpener darkPlumJuiceOpener;
+    public OpenerMaker(){
+        beerOpener = new BeerOpener();
+        cockOpener = new CockOpener();
+        spriteOpener = new SpriteOpener();
+        darkPlumJuiceOpener = new DarkPlumJuiceOpener();
+    }
+    public void openBeer() {
+        beerOpener.Open();
+    }
+    public void openCock() {
+        cockOpener.Open();
+    }
+    public void openSprite() {
+        spriteOpener.Open();
+    }
+    public void openDarkPlumJuice() {
+        darkPlumJuiceOpener.Open();
+    }
+
+}
diff --git a/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/Facade/SpriteOpener.java b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/Facade/SpriteOpener.java
new file mode 100644
index 0000000..f06cecc
--- /dev/null
+++ b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/Facade/SpriteOpener.java
@@ -0,0 +1,9 @@
+package edu.tongji.designpattern.ClassDesign.Business.Facade;
+
+public class SpriteOpener implements DrinkOpener {
+
+    @Override
+    public void Open() {
+        System.out.println("class SpriteOpener：method Open：服务员为您打开了雪碧！");
+    }
+}
diff --git a/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/PrototypeMementoDemo/Item.java b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/PrototypeMementoDemo/Item.java
new file mode 100644
index 0000000..4cee933
--- /dev/null
+++ b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/PrototypeMementoDemo/Item.java
@@ -0,0 +1,36 @@
+package edu.tongji.designpattern.ClassDesign.Business.PrototypeMementoDemo;/*
+ * created by zhujitao
+ * 2019/10/25
+ * 代替food的item
+ * */
+
+public class Item {
+
+    private String name;
+    private double price;
+
+    public Item(String name, double price){
+        this.name = name;
+        this.price = price;
+    }
+
+
+
+    //下面是get和set方法
+    public double getPrice() {
+        return price;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setPrice(double price) {
+        this.price = price;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+}
diff --git a/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/PrototypeMementoDemo/Memento.java b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/PrototypeMementoDemo/Memento.java
new file mode 100644
index 0000000..725e725
--- /dev/null
+++ b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/PrototypeMementoDemo/Memento.java
@@ -0,0 +1,35 @@
+package edu.tongji.designpattern.ClassDesign.Business.PrototypeMementoDemo;
+
+/*
+ * created by zhujitao
+ * 2019/10/22
+ * 使用单例模式去创建一个类
+ * */
+
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class Memento {
+
+    private List<OrderClone> mementoList = new ArrayList<OrderClone>();
+
+
+    public boolean addOrderClone(OrderClone orderClone){
+        boolean flag = false;
+        //添加操作
+        mementoList.add(orderClone);
+        return flag;
+    }
+
+    public OrderClone getOrderClone(int index){
+        OrderClone orderClone = mementoList.get(index);
+        return orderClone;
+    }
+
+    public int getSize(){
+        return mementoList.size();
+    }
+
+
+}
diff --git a/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/PrototypeMementoDemo/Menu.java b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/PrototypeMementoDemo/Menu.java
new file mode 100644
index 0000000..ea00720
--- /dev/null
+++ b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/PrototypeMementoDemo/Menu.java
@@ -0,0 +1,58 @@
+package edu.tongji.designpattern.ClassDesign.Business.PrototypeMementoDemo;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class Menu {
+
+    private static Menu instance = new Menu();
+
+    public static Menu getInstance() {
+        return instance;
+    }
+
+    private List<Item> menuList=new ArrayList<>();
+
+    String[] foodName = {"生菜沙拉", "番茄沙拉", "黄瓜沙拉", "鱼刺身", "虾刺身",
+                         "鱼寿司", "黄瓜寿司", "黄瓜鱼寿司", "番茄意面","肉意面","蘑菇意面","鱼虾意面",
+                         "油炸鸡","油炸土豆","油炸土豆鸡","肉卷饼","蘑菇卷饼","鸡肉卷饼",
+                         "肉汉堡","芝士汉堡","青菜芝士汉堡", "青菜番茄汉堡", "菠萝肉汉堡",
+                         "芝士披萨", "芝士香肠披萨", "芝士鸡披萨", "鸡蛋煎饼", "巧克力煎饼","鸡蛋草莓煎饼",
+                         "蜂蜜蛋糕", "巧克力蛋糕", "蜂蜜胡萝卜蛋糕", "蒸鱼", "蒸肉", "蒸胡萝卜", "蒸虾",
+                         "香蕉奶昔", "草莓奶昔", "西瓜奶昔", "波罗奶昔", "香蕉波罗奶昔", "烤鸡肉",
+                         "烤肉", "烤蘑菇", "烤蘑菇菠萝", "可乐", "雪碧", "百威啤酒", "酸梅汁"};
+
+    //对应上面的食物名称
+    double[] foodPrice = {
+            12, 13, 12, 22, 24,
+            27, 25, 25, 22, 24, 26, 28,
+            27, 25, 25, 22, 24, 26,
+            28,27, 25, 25, 22,
+            24, 26, 28,27, 25, 25,
+            22, 24, 26, 28,27, 25, 15,
+            22, 24, 26, 28,27, 25,
+            25, 22, 24, 5, 6, 12, 5};
+
+    //初始化菜单，向里面添加菜
+    private Menu() {
+        for(int i=0; i<foodName.length; i++){
+            //Item dish=new Item(foodName[i],(int)(5+Math.random()*10));
+            Item dish = new Item(foodName[i], foodPrice[i]);
+            menuList.add(dish);
+        }
+    }
+
+
+    //下面是get和set方法
+    public List<Item> getMenu() {
+        return menuList;
+    }
+
+    //展示菜单内的菜和价格
+    public void showMenu(){
+        for(int i=0; i<foodName.length; i++){
+            System.out.println("菜名是"+menuList.get(i).getName()+",价格是"+menuList.get(i).getPrice());
+        }
+    }
+
+}
\ No newline at end of file
diff --git a/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/PrototypeMementoDemo/OrderClone.java b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/PrototypeMementoDemo/OrderClone.java
new file mode 100644
index 0000000..f598253
--- /dev/null
+++ b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/PrototypeMementoDemo/OrderClone.java
@@ -0,0 +1,56 @@
+package edu.tongji.designpattern.ClassDesign.Business.PrototypeMementoDemo;
+
+/*
+ * created by zhujitao
+ * 2019/10/22
+ * 原型模式里面的例子
+ * */
+
+import edu.tongji.designpattern.ClassDesign.Order.Order;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class OrderClone implements Cloneable{
+
+    private List<Item> itemList = new ArrayList<Item>();
+    private double price = 0.0;
+
+    //构造函数，传入的参数是Order，目的是将Order里面需要记录的数据存入OrderClone中
+    public OrderClone(Order order){
+        this.itemList = order.getItemList();
+        this.price = order.getPrice();
+    }
+
+    //返回OrderColne的对象，将其存入备忘录中，方便记录
+    @Override
+    public Object clone() {
+        Object clone = null;
+        try {
+            clone = super.clone();
+        } catch (CloneNotSupportedException e) {
+            e.printStackTrace();
+        }
+        return clone;
+    }
+
+
+    //下面是get和set方法
+    public List<Item> getItemList() {
+        return itemList;
+    }
+
+    public double getPrice() {
+        return price;
+    }
+
+    public void setItemList(List<Item> itemList) {
+        this.itemList = itemList;
+    }
+
+    public void setPrice(double price) {
+        this.price = price;
+    }
+
+
+}
diff --git a/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Order/Order.java b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Order/Order.java
index 8c7da3b..21accea 100644
--- a/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Order/Order.java
+++ b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Order/Order.java
@@ -1,4 +1,61 @@
 package edu.tongji.designpattern.ClassDesign.Order;
 
+import edu.tongji.designpattern.ClassDesign.Business.PrototypeMementoDemo.Item;
+import edu.tongji.designpattern.ClassDesign.Person.Employee;
+
+import java.util.ArrayList;
+import java.util.List;
+
 public class Order extends AbstractOrder {
+
+    private List<Item> itemList = new ArrayList<Item>();
+    private List<Employee> employeeList = new ArrayList<Employee>();
+    private double price = 0.0;
+    private Integer orderState;
+
+
+
+    //下面是get和set方法
+    public double getPrice() {
+        return price;
+    }
+
+    public void setPrice(double price) {
+        this.price = price;
+    }
+
+    public List<Employee> getEmployeeList() {
+        return employeeList;
+    }
+
+    public List<Item> getItemList() {
+        return itemList;
+    }
+
+    public void setEmployeeList(List<Employee> employeeList) {
+        this.employeeList = employeeList;
+    }
+
+    public void setItemList(List<Item> itemList) {
+        this.itemList = itemList;
+    }
+
+    public Integer getOrderState() {
+        return orderState;
+    }
+    //加入notifyall函数：ruanbanyao
+    public void setOrderState(Integer orderState) {
+        this.orderState = orderState;
+        notifyAllEmployees();
+    }
+   //ruan
+    public void addEmploy(Employee e){
+        employeeList.add(e);
+    }
+    private void notifyAllEmployees() {
+        for (Employee employee : employeeList) {
+            employee.update();
+        }
+    }
+
 }
diff --git a/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Person/Cashier.java b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Person/Cashier.java
index 569c02f..274717d 100644
--- a/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Person/Cashier.java
+++ b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Person/Cashier.java
@@ -1,14 +1,44 @@
 package edu.tongji.designpattern.ClassDesign.Person;
 
+import edu.tongji.designpattern.ClassDesign.Business.AdaptorDemo.RealDiscount;
 import edu.tongji.designpattern.ClassDesign.Business.AirConditionerAPI.AirConditionerAPI;
+import edu.tongji.designpattern.ClassDesign.Order.Order;
+
+import java.text.DecimalFormat;
 
 public class Cashier extends Employee {
 
     private double temperature;
 
-    public Cashier(double temperature,AirConditionerAPI airConditionerAPI) {
+
+    Order order;
+    String couponType;
+    RealDiscount realDiscount;
+
+    public Cashier(double temperature,AirConditionerAPI airConditionerAPI, Order order, String couponType) {
         super(airConditionerAPI);
         this.temperature=temperature;
+
+        this.order = order;
+        this.couponType = couponType;
+        realDiscount = new RealDiscount(couponType);
+    }
+
+//    public Cashier(Order order, String couponType){
+//        this.order = order;
+//        this.couponType = couponType;
+//        realDiscount = new RealDiscount(couponType);
+//    }
+
+    public void settleAccount(){
+        //这里执行结账操作，结账成功返回true
+        if(couponType.equals("N")){
+            System.out.println("您本次就餐共花费了"+order.getPrice()+"元，欢迎下次再来");
+        }else {
+            DecimalFormat df = new DecimalFormat( "0.0");
+            System.out.println("您的优惠卷是" + couponType + "类型的，可以享受" + df.format(realDiscount.getDiscount() * 10) + "折优惠。");
+            System.out.println("您本次就餐原价是" + order.getPrice() + "元,折后价是" + order.getPrice() * realDiscount.getDiscount() + "元。");
+        }
     }
 
     @Override
diff --git a/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Person/Cook.java b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Person/Cook.java
index ce5576b..551206a 100644
--- a/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Person/Cook.java
+++ b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Person/Cook.java
@@ -1,16 +1,22 @@
 package edu.tongji.designpattern.ClassDesign.Person;
 
 import edu.tongji.designpattern.ClassDesign.Business.AirConditionerAPI.AirConditionerAPI;
+import edu.tongji.designpattern.ClassDesign.Order.Order;
 
 public class Cook extends Employee {
 
     private double temperature;
-
-    public Cook(double temperature,AirConditionerAPI airConditionerAPI) {
+//ruan
+    public Cook(double temperature, AirConditionerAPI airConditionerAPI, Order order) {
         super(airConditionerAPI);
         this.temperature=temperature;
+        this.order=order;
+        this.order.addEmploy(this);
+    }
+//ruan
+    public Cook(){
+        super();
     }
-
     @Override
     public void changeTmp() {
         System.out.println("厨师修改空调温度——");
@@ -19,9 +25,15 @@ public void changeTmp() {
 
     @Override
     public void update() {
+        if(order.getOrderState()==0)
 
+            System.out.println("class Cook: method update:接受到新订单！厨师开始做菜");
+        else
+
+            System.out.println("class Cook: method update:订单完成！厨师等待服务员接菜");
     }
 
+
     @Override
     public void settleComplaint() {
 
diff --git a/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Person/Employee.java b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Person/Employee.java
index 976e5d7..74fb350 100644
--- a/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Person/Employee.java
+++ b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Person/Employee.java
@@ -9,7 +9,8 @@ enum Gender{
 
 public abstract class Employee {
 //    private AirConditionerAPI airConditionerAPI;
-    private Order order;
+    //waiter要使用order，所以改为protected：ruanbanyao
+    protected Order order;
     private  String employeeName;
     private Gender employeeGender;
     private Integer employeeAge;
@@ -22,7 +23,10 @@ public abstract class Employee {
     public Employee(AirConditionerAPI airConditionerAPI){
         this.airConditionerAPI= airConditionerAPI;
     }
+//ruan
+    public Employee() {
 
+    }
 
 
     public abstract void changeTmp();
@@ -31,6 +35,11 @@ public Employee(AirConditionerAPI airConditionerAPI){
     public abstract void getMessage();
     public abstract void sendMessage();
 
+    public Order getOrder() {
+        return order;
+    }
+
+
 }
 
 
diff --git a/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Person/Manager.java b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Person/Manager.java
index 9b989b2..53ea809 100644
--- a/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Person/Manager.java
+++ b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Person/Manager.java
@@ -11,6 +11,23 @@ public Manager(double temperature,AirConditionerAPI airConditionerAPI) {
         this.temperature=temperature;
     }
 
+    //private static Manager instance = new Manager();
+
+    //public static Manager getInstance() {
+//        return instance;
+//    }
+
+    //解决顾客投诉的方法
+    @Override
+    public void settleComplaint(){
+        System.out.println("您好，我是本店的经理，请问您有什么问题吗?");
+        System.out.println("我已经了解了事情的经过，确实是我们的工作疏忽，我们一定会妥善解决的。");
+        System.out.println("您好，我们会为您的本次就餐提供A类优惠卷，在结账时会提供6.8折优惠。");
+        System.out.println("非常抱歉，同时祝您就餐愉快！");
+    }
+
+
+
     @Override
     public void changeTmp() {
         System.out.println("大堂经理修改空调温度——");
@@ -22,10 +39,6 @@ public void update() {
 
     }
 
-    @Override
-    public void settleComplaint() {
-
-    }
 
     @Override
     public void getMessage() {
diff --git a/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Person/Waiter.java b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Person/Waiter.java
index f2c817f..d294549 100644
--- a/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Person/Waiter.java
+++ b/DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Person/Waiter.java
@@ -1,15 +1,28 @@
+
 package edu.tongji.designpattern.ClassDesign.Person;
 
 import edu.tongji.designpattern.ClassDesign.Business.AirConditionerAPI.AirConditionerAPI;
+import edu.tongji.designpattern.ClassDesign.Business.Facade.OpenerMaker;
+import edu.tongji.designpattern.ClassDesign.Business.PrototypeMementoDemo.Item;
+import edu.tongji.designpattern.ClassDesign.Order.Order;
 
 public class Waiter extends Employee {
 
     Customer customer;
+    public OpenerMaker openerMaker;//ruan
     private double temperature;
+    //默认构造函数：ruan
+  public Waiter(){
+       super();
+   }
+
 
 
-    public Waiter(double temperature,AirConditionerAPI airConditionerAPI) {
+    //ruan
+    public Waiter(double temperature, AirConditionerAPI airConditionerAPI, Order order) {
         super(airConditionerAPI);
+        this.order=order;
+        this.order.addEmploy(this);
         this.temperature= temperature;
     }
 
@@ -17,22 +30,46 @@ public void getState(Customer customer){
         System.out.println("顾客现在的状态是：");
     }
 
+
+
+    @Override
+    public void settleComplaint() {
+        System.out.println("您好，请问您有什么问题吗?");
+        System.out.println("好的，我们会催促后厨尽快为您准备食物，请您稍等片刻！");
+        System.out.println("非常抱歉，同时祝您就餐愉快！");
+    }
+
     @Override
     public void changeTmp() {
         System.out.println("服务员修改空调温度——");
         airConditionerAPI.changeTem(temperature);
     }
-
+    //ruan
     @Override
     public void update() {
-
+        if(order.getOrderState()==0)
+            System.out.println("class Waiter: method update:新订单创建！服务员等待接菜");
+        else
+            System.out.println("class Waiter: method update:订单完成！服务员开始上菜");
     }
-
-    @Override
-    public void settleComplaint() {
-
+    public void getDrinkList(Order order){
+        openerMaker=new OpenerMaker();
+        for (Item item : order.getItemList()) {
+            if (item.getName() == "百威啤酒" || item.getName() == "酸梅汁"|| item.getName() == "可乐"|| item.getName() == "雪碧") {
+                if (item.getName() == "百威啤酒") {
+                    openerMaker.openBeer();
+                }
+                else if(item.getName() == "可乐")
+                    openerMaker.openCock();
+                else if (item.getName() == "雪碧")
+                    openerMaker.openSprite();
+                else
+                    openerMaker .openDarkPlumJuice();
+            }
+        }
     }
 
+
     @Override
     public void getMessage() {
 
diff --git a/DesignPatternProject/src/edu/tongji/designpattern/Main.java b/DesignPatternProject/src/edu/tongji/designpattern/Main.java
index 26a332c..4bafb45 100644
--- a/DesignPatternProject/src/edu/tongji/designpattern/Main.java
+++ b/DesignPatternProject/src/edu/tongji/designpattern/Main.java
@@ -1,20 +1,21 @@
 package edu.tongji.designpattern;
-import edu.tongji.designpattern.ClassDesign.*;
 import edu.tongji.designpattern.ClassDesign.Business.AirConditionerAPI.FloorAirConditioner;
 import edu.tongji.designpattern.ClassDesign.Business.AirConditionerAPI.HangingAirConditioner;
 import edu.tongji.designpattern.ClassDesign.Business.MenuSource.MenuSource;
 import edu.tongji.designpattern.ClassDesign.Business.MenuSource.ProxyMenuSource;
-import edu.tongji.designpattern.ClassDesign.Person.Customer;
-import edu.tongji.designpattern.ClassDesign.Person.Employee;
-import edu.tongji.designpattern.ClassDesign.Person.Manager;
-import edu.tongji.designpattern.ClassDesign.Person.Waiter;
+import edu.tongji.designpattern.ClassDesign.Business.PrototypeMementoDemo.Item;
+import edu.tongji.designpattern.ClassDesign.Order.Order;
+import edu.tongji.designpattern.ClassDesign.Person.*;
+
+import java.util.ArrayList;
+import java.util.List;
 
 public class Main {
 
     public static void main(String[] args) {
 
 
-//test for StatePattern
+        //test for StatePattern
         //初始时根据时间不同来让顾客的状态发生变化
         //感觉需要有一个更好的办法
         //顾客的点餐、等待、就餐等状态之间的变化需要的参数应当不是同一个
@@ -36,16 +37,16 @@ public static void main(String[] args) {
 
 
 
-//test for BridgePattern
+        //test for BridgePattern
         //注册不同的职工来调用同一个接口API的不同实体类
-        Employee waiter1 = new Waiter(24,new FloorAirConditioner());
+        Employee waiter1 = new Waiter(24,new FloorAirConditioner(),new Order());
         Employee manager = new Manager(25,new HangingAirConditioner());
 
         waiter1.changeTmp();
         manager.changeTmp();
 
 
-//test for CompositePattern
+       //test for CompositePattern
         //注册的四名顾客
         Customer customer1=new Customer("张先生","男",1);
         Customer customer2=new Customer("张女士","男",1);
@@ -68,5 +69,65 @@ public static void main(String[] args) {
         //资源文件不需要从磁盘加载
         source.show();
 
+
+
+        //打折的测试
+        //RealDiscount realDiscount = new RealDiscount("A");
+        //System.out.printf("discount = "+realDiscount.getDiscount());
+
+        //投诉处理的测试
+//        Manager manager = Manager.getInstance();
+//        Waiter waiter = new Waiter();
+//
+//        Complaint complaint = new Complaint(1, manager, waiter);
+//        complaint.setCurHanlder();
+//        complaint.getEmployee().settleComplaint();
+//
+//        Complaint complaint1 = new Complaint(3, manager, waiter);
+//        complaint1.setCurHanlder();
+//        complaint1.settleProblem();
+
+        //结账处理的测试
+//        Order order = new Order();
+//        order.setPrice(100.0);
+//        Cashier cashier = new Cashier(order, "N");
+//
+//        VIPCashierDecorator vipCashierDecorator = new VIPCashierDecorator(cashier);
+//        vipCashierDecorator.settleAccount();
+
+
+        //原型和备忘录模式的测试
+//        Order order = new Order();
+//        order.setPrice(100.0);
+//
+//        OrderClone orderClone = new OrderClone(order);
+//
+//        OrderClone orderClone1 = (OrderClone)orderClone.clone();
+//        Memento memento = new Memento();
+//        memento.addOrderClone(orderClone1);
+//        //memento.getOrderClone(1);
+//        int length = memento.getSize();
+//        System.out.println(memento.getOrderClone(length-1).getPrice());
+
+
+
+        //输出菜单测试
+//        Menu menu = Menu.getInstance();
+//        menu.showMenu();
+        //观察者模式测试
+        Order order= new Order();
+        Employee waiter2 = new Waiter(24,new FloorAirConditioner(),order);
+        Employee cook2= new Cook(24,new FloorAirConditioner(),order);
+        order.setOrderState(0);
+        order.setOrderState(1);
+        //facade测试
+        List<Item> items=new ArrayList<>();
+        items.add(new Item("可乐",20.2));
+        items.add(new Item("雪碧",20.2));
+        items.add(new Item("酸梅汁",20.2));
+        items.add(new Item("百威啤酒",20.2));
+        order.setItemList(items);
+        ((Waiter) waiter2).getDrinkList(order);
+
     }
 }
diff --git a/README.md b/README.md
deleted file mode 100644
index 9e27629..0000000
--- a/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# DesignPatternProject
-
-change in dev
\ No newline at end of file
diff --git a/out/production/DesignPatternProject/edu/tongji/designpattern/ClassDesign/Business/AdaptorDemo/Coupon.class b/out/production/DesignPatternProject/edu/tongji/designpattern/ClassDesign/Business/AdaptorDemo/Coupon.class
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diff --git a/out/production/DesignPatternProject/edu/tongji/designpattern/ClassDesign/Business/AdaptorDemo/CouponB.class b/out/production/DesignPatternProject/edu/tongji/designpattern/ClassDesign/Business/AdaptorDemo/CouponB.class
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diff --git a/out/production/DesignPatternProject/edu/tongji/designpattern/ClassDesign/Business/AdaptorDemo/CouponC.class b/out/production/DesignPatternProject/edu/tongji/designpattern/ClassDesign/Business/AdaptorDemo/CouponC.class
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diff --git a/out/production/DesignPatternProject/edu/tongji/designpattern/ClassDesign/Business/AdaptorDemo/CouponN.class b/out/production/DesignPatternProject/edu/tongji/designpattern/ClassDesign/Business/AdaptorDemo/CouponN.class
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