添加的部分：

DesignPatternProject/DesignPatternProject.iml

@@ -5,7 +5,7 @@
     <content url="file://$MODULE_DIR$">
       <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
     </content>
-    <orderEntry type="inheritedJdk" />
+    <orderEntry type="jdk" jdkName="11" jdkType="JavaSDK" />
     <orderEntry type="sourceFolder" forTests="false" />
   </component>
 </module>

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();
+
+}

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;
+    }
+}

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;
+    }
+}

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;
+    }
+}

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;
+    }
+}
+

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();
+
+}

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();
+    }
+
+}

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();
+    }
+}

DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/Builder/ComboBuilder.java

@@ -0,0 +1,18 @@
+package edu.tongji.designpattern.ClassDesign.Business.Builder;
+
+import edu.tongji.designpattern.ClassDesign.Tools.Combo;
+import edu.tongji.designpattern.ClassDesign.Tools.Dish;
+
+
+
+public abstract class ComboBuilder {
+    protected Combo combo=new Combo();
+    public abstract void buildDishA();
+    public abstract void buildDishB();
+    public abstract void buildDrink();
+    public abstract void buildPrice();
+    public Combo getResult(){
+        return combo;
+    }
+
+}

DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/Builder/ConcreteComboBuilderA.java

@@ -0,0 +1,23 @@
+package edu.tongji.designpattern.ClassDesign.Business.Builder;
+
+public class ConcreteComboBuilderA extends ComboBuilder {
+    @Override
+    public void buildDishA() {
+        combo.setDishA("蒸鱼");
+    }
+
+    @Override
+    public void buildDishB() {
+        combo.setDishB("生菜沙拉");
+
+    }
+    @Override
+    public void buildDrink() {
+        combo.setDrink("可乐");
+    }
+
+    @Override
+    public void buildPrice() {
+        combo.setPrice("40");
+    }
+}

DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/Builder/ConcreteComboBuilderB.java

@@ -0,0 +1,23 @@
+package edu.tongji.designpattern.ClassDesign.Business.Builder;
+
+public class ConcreteComboBuilderB extends ComboBuilder{
+    @Override
+    public void buildDishA() {
+        combo.setDishA("蒸肉");
+    }
+
+    @Override
+    public void buildDishB() {
+        combo.setDishB("番茄沙拉");
+
+    }
+    @Override
+    public void buildDrink() {
+        combo.setDrink("雪碧");
+    }
+
+    @Override
+    public void buildPrice() {
+        combo.setPrice("41");
+    }
+}

DesignPatternProject/src/edu/tongji/designpattern/ClassDesign/Business/Builder/Director.java

@@ -0,0 +1,20 @@
+package edu.tongji.designpattern.ClassDesign.Business.Builder;
+
+import edu.tongji.designpattern.ClassDesign.Tools.Combo;
+
+public class Director {
+    private ComboBuilder comboBuilder;
+    public Director(ComboBuilder comboBuilder){
+        this.comboBuilder=comboBuilder;
+    }
+
+    public Combo construct(){
+        System.out.println("套餐内容：");
+        comboBuilder.buildDishA();
+        comboBuilder.buildDishB();
+        comboBuilder.buildDrink();
+        comboBuilder.buildPrice();
+        return comboBuilder.getResult();
+    }
+
+}

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;
+    }
+}