设计模式大作业-蛋糕预定系统实验报告

1、精选优质文档-倾情为你奉上蛋糕订购系统一、 实验介绍3二、 实验环境3三、 系统流程3四、 系统总类图4五、 程序源代码及各个模块子类图5六、 程序运行截图.22七、 实验总结.22一、 实验介绍本系统使用了简单工厂模式、工厂方法模式、单例模式、门面模式、策略模式、观察者模式一共6种模式实现了从蛋糕店订购订购蛋糕的这样一个系统。二、 实验环境 Windows操作系统、MyEclipse10.0、MySQL 5.5、jdk1.6三、 系统流程四、 系统总类图五、 程序源代码及各个模块子类图(一) 测试类Client.java：package net.xsl.ordercake.test;impo

2、rt net.xsl.ordercake.discount.DiscountStyleThree;import net.xsl.ordercake.discount.OrderCake;import net.xsl.ordercake.order.CakeShop;import net.xsl.ordercake.order.EastVilla;import net.xsl.ordercake.order.WestVilla;public class Client public static void main (String arg)CakeShop starCakeShop = CakeS

3、hop.getCakeShop();new WestVilla(starCakeShop, "草莓水果");starCakeShop.getNewName("西13");starCakeShop.notifyCustomer();OrderCake cake = new OrderCake();System.out.println("今日促销一律8折优惠");cake.setM(8);cake.setStyle(new DiscountStyleThree();cake.setPrice(80) ;System.out.println

4、("本次订购成功完成，需要支付的金额为"+cake.getMoney(cake.getPrice(),cake.getM()+"，原价80");System.out.println("=");new EastVilla(starCakeShop, "甜奶");starCakeShop.getNewName("东18");starCakeShop.notifyCustomer();System.out.println("=");starCakeShop.getNewName(&

5、quot;东12");starCakeShop.notifyCustomer();(二) 折扣的接口和方法（策略模式）：a) 接口DiscountStyle.java：package net.xsl.ordercake.discount;public interface DiscountStyle public double disCount(double price,double m);b) 折方式一DiscountStyleOne.java：package net.xsl.ordercake.discount;public class DiscountStyleOne imple

6、ments DiscountStylepublic double disCount(double price,double m) return price;c) 打折方式二DiscountStyleTwo.java：package net.xsl.ordercake.discount;public class DiscountStyleTwo implements DiscountStylepublic double disCount(double price,double m) price = price - m;return price;d) 打着方式三DiscountStyleThree

7、.java：package net.xsl.ordercake.discount;public class DiscountStyleThree implements DiscountStylepublic double disCount(double price,double m) price = price * m/10;return price;e) 订蛋糕对象类，使用了get/set方法OrderCake.java：package net.xsl.ordercake.discount;public class OrderCake double money,price;/money是打折

8、后的最终价格，price是原价DiscountStyle style;double m;public double getMoney(double price,double m)return style.disCount(price,m); public void setPrice(double price)this.price = price ;public double getPrice()return price;public void setStyle(DiscountStyle style)this.style = style ;public DiscountStyle getSty

9、le()return style;public void setM(double m)this.m = m ;public double getM()return m;(三) 顾客向蛋糕订购蛋糕（观察者模式），并在具体主题中使用了单例模式a) 主题Shop.java：package net.xsl.ordercake.order;public interface Shop public void addCustomer(Customer o);public void deleteCustomer(Customer o);public void notifyCustomer();b) 具体主题（

10、使用了单例模式，只能创建一个蛋糕商店的对象）CakeShop.java：package net.xsl.ordercake.order;import java.util.ArrayList;public class CakeShop implements ShopString name;boolean changed;ArrayList<Customer>personList;private int i = 0;private static CakeShop uniqueCakeShop;private CakeShop() uniqueCakeShop = this;person

11、List = new ArrayList<Customer>();name = ""changed = false;public static synchronized CakeShop getCakeShop()if(uniqueCakeShop = null)uniqueCakeShop = new CakeShop();return uniqueCakeShop;public void addCustomer(Customer o) if(!(personList.contains(o)personList.add(o);public void delet

12、eCustomer(Customer o) if(personList.contains(o)personList.remove(o);public void notifyCustomer() if(changed)tryCustomer customer = personList.get(i);customer.orderCake(name);i+;changed = false;catch(Exception e)System.out.println("没有新的订购信息");public void getNewName(String str)if(str.equals(

13、name)changed = false;elsename = str;changed = true;c) 观察者Customer.java：package net.xsl.ordercake.order;public interface Customer public void orderCake(String name);d) 体观察者一EastVilla.java：package net.xsl.ordercake.order;import net.xsl.ordercake.creator.MakeChocolateCake;import net.xsl.ordercake.creat

14、or.MakeFruityCake;import net.xsl.ordercake.creator.MakeMilkCake;import net.xsl.ordercake.jdbc.JDBCFacade;import duct.ChocolateFactory;import duct.FruitFactory;import duct.MilkFactory;public class EastVilla implements CustomerShop shop;pr

15、ivate String cakeType;public EastVilla(Shop shop,String cakeType)this.shop = shop;this.cakeType = cakeType;shop.addCustomer(this);public void orderCake(String name)System.out.println(name+"订了一个"+cakeType+"蛋糕");JDBCFacade dbFacade=new JDBCFacade(); String sqlStr = "select * f

16、rom ordercake" String sqlStr1 = "insert into ordercake(cakeType, name, quantity)"+ " VALUES ('"+cakeType+"','"+name+"','1')" dbFacade.jdbcInsert(sqlStr1);System.out.println("查询插入之后新的数据库"); dbFacade.jdbcSelect(sqlStr);if(c

17、akeType.equals("草莓水果") | cakeType.equals("葡萄水果")MakeFruityCake eastVilla = new MakeFruityCake(cakeType);FruitFactory fruitCake = eastVilla.makeFruityCake();fruitCake.createCake();else if(cakeType.equals("牛奶巧克力") | cakeType.equals("黑巧克力")MakeChocolateCake eastV

18、illa1 = new MakeChocolateCake(cakeType);ChocolateFactory chocolateCake = eastVilla1.makeChocolateCake();chocolateCake.createCake();else if(cakeType.equals("双层鲜奶") | cakeType.equals("甜奶")MakeMilkCake eastVilla1 = new MakeMilkCake(cakeType);MilkFactory milkCake = eastVilla1.makeMil

19、kCake();milkCake.createCake(); e) 具体观察者二WestVilla.java：package net.xsl.ordercake.order;import net.xsl.ordercake.creator.MakeChocolateCake;import net.xsl.ordercake.creator.MakeFruityCake;import net.xsl.ordercake.creator.MakeMilkCake;import net.xsl.ordercake.jdbc.JDBCFacade;import net.xsl.ordercake.pr

20、oduct.ChocolateFactory;import duct.FruitFactory;import duct.MilkFactory;public class WestVilla implements CustomerShop shop;private String cakeType;public WestVilla(Shop shop,String cakeType)this.shop = shop;this.cakeType = cakeType;shop.addCustomer(this);pu

21、blic void orderCake(String name)System.out.println(name+"订了一个"+cakeType+"蛋糕");JDBCFacade dbFacade=new JDBCFacade(); String sqlStr = "select * from ordercake" String sqlStr1 = "insert into ordercake(cakeType, name, quantity)"+ " VALUES ('"+cakeTyp

22、e+"','"+name+"','1')" dbFacade.jdbcInsert(sqlStr1);System.out.println("查询插入之后新的数据库"); dbFacade.jdbcSelect(sqlStr);if(cakeType.equals("草莓水果") | cakeType.equals("葡萄水果")MakeFruityCake westVilla = new MakeFruityCake(cakeType);FruitFac

23、tory fruitCake = westVilla.makeFruityCake();fruitCake.createCake();else if(cakeType.equals("牛奶巧克力") | cakeType.equals("黑巧克力")MakeChocolateCake westVilla1 = new MakeChocolateCake(cakeType);ChocolateFactory chocolateCake = westVilla1.makeChocolateCake();chocolateCake.createCake();e

24、lse if(cakeType.equals("双层鲜奶") | cakeType.equals("甜奶")MakeMilkCake westVilla1 = new MakeMilkCake(cakeType);MilkFactory milkCake = westVilla1.makeMilkCake();milkCake.createCake(); (四) JDBC（门面模式）JDBCFacade.java：package net.xsl.ordercake.jdbc;import java.sql.Connection; import java.

25、sql.DriverManager;import java.sql.ResultSet; import java.sql.ResultSetMetaData;import java.sql.SQLException; import java.sql.Statement; public class JDBCFacade Connection conn = null; Statement stmt = null; ResultSet rs = null; String sqlStr = "" public void createStatement() try stmt = co

26、nn.createStatement(); catch (SQLException e) e.printStackTrace(); public ResultSet jdbcSelect(String sqlStr) this.sqlStr = sqlStr; getConnection(); createStatement(); try rs = stmt.executeQuery(sqlStr); ResultSetMetaData rsmd = rs.getMetaData(); int j = 0; j = rsmd.getColumnCount(); while(rs.next()

27、for(int i=0;i<j;i+) System.out.print(rs.getString(i+1); System.out.print("t"); System.out.println(); catch (SQLException e) e.printStackTrace(); return rs; public void jdbcUpdate(String sqlStr) this.sqlStr = sqlStr; getConnection(); createStatement(); try int count = stmt.executeUpdate(

28、sqlStr); System.out.println("表更新 " + count + " 条数据"); catch (SQLException e) System.out.println("更新数据失败"); public void jdbcInsert(String sqlStr) this.sqlStr = sqlStr; getConnection(); createStatement(); try int count = stmt.executeUpdate(sqlStr); System.out.println(&quo

29、t;向表插入 " + count + " 条数据"); catch (SQLException e) System.out.println("插入数据失败" + e.getMessage(); public void jdbcDelete(String sqlStr) this.sqlStr = sqlStr; getConnection(); createStatement(); try int count = stmt.executeUpdate(sqlStr); System.out.println("向表删除 " +

30、 count + " 条数据"); catch (SQLException e) System.out.println("删除数据失败"); public void jdbcClose() try rs.close(); stmt.close(); conn.close(); catch (SQLException e) e.printStackTrace(); public Connection getConnection() try Class.forName("com.mysql.jdbc.Driver"); conn=Driv

31、erManager.getConnection("jdbc:mysql:/localhost:3306/cakeshop","root","admin"); catch (Exception e) System.out.println("数据库连接失败" + e.getMessage(); return conn; (五) 构造蛋糕（工厂方法模式）：a) 构造者MakeCake.java：package net.xsl.ordercake.creator;public interface MakeCake b) 具

32、体构造者一MakeChocolateCake.java：package net.xsl.ordercake.creator;import duct.ChocolateFactory;public class MakeChocolateCake implements MakeCakeprivate String cakeType;public MakeChocolateCake(String cakeType)this.cakeType = cakeType;public ChocolateFactory makeChocolateCake()retur

33、n new ChocolateFactory(cakeType);c) 具体构造者二MakeFruityCake.java：package net.xsl.ordercake.creator;import duct.FruitFactory;public class MakeFruityCake implements MakeCakeprivate String cakeType;public MakeFruityCake(String cakeType)this.cakeType = cakeType;public FruitFactory make

34、FruityCake()return new FruitFactory(cakeType);d) 具体构造者三MakeMilkCake.java：package net.xsl.ordercake.creator;import duct.MilkFactory;public class MakeMilkCake implements MakeCakeprivate String cakeType;public MakeMilkCake(String cakeType)this.cakeType = cakeType;public MilkFactory

35、 makeMilkCake()return new MilkFactory(cakeType);e) 抽象产品Factory.java：package duct;public interface Factory public void createCake();f) 具体产品一FruitFactory.java：package duct;public class FruitFactory implements Factoryprivate String cakeType;public FruitFactory(

36、String cakeType)this.cakeType = cakeType;public void createCake()tryif (cakeType.equals("草莓水果")FruityCake strawberryCake = new StrawberryCake();strawberryCake.show();else if (cakeType.equals("葡萄水果") FruityCake grapeCake = new GrapeCake();grapeCake.show(); catch (Exception e) Syst

37、em.out.println("制作"+cakeType+"蛋糕失败"); g) 具体产品二MilkFactory.java：package duct;public class MilkFactory implements Factoryprivate String cakeType;public MilkFactory(String cakeType)this.cakeType = cakeType;public void createCake()tryif (cakeType.equals("双层鲜

38、奶")MilkCake doubleMilkCake = new DoubleMilkCake();doubleMilkCake.show();else if (cakeType.equals("甜奶") MilkCake sweetMilkCake = new SweetMilkCake();sweetMilkCake.show(); catch (Exception e) System.out.println("制作"+cakeType+"蛋糕失败"); h) 具体产品三ChocolateFactory.java：pac

39、kage duct;public class ChocolateFactory private String cakeType;public ChocolateFactory(String cakeType)this.cakeType = cakeType ;public void createCake()tryif (cakeType.equals("牛奶巧克力")ChocolateCake milkChocolateCake = new MilkChocolateCake();milkChocolateCake.show();e

40、lse if (cakeType.equals("黑巧克力") ChocolateCake darkChocolateCake = new DarkChocolateCake();darkChocolateCake.show(); catch (Exception e) System.out.println("制作"+cakeType+"蛋糕失败"); (六) 蛋糕工厂（简单工厂模式）：a) 水果蛋糕：i. FruitFactory.java（第五项构造蛋糕中已贴出）：ii. 接口类FruityCake.java：package duct;public interface FruityCake public void show();iii. 实现接口：StrawberryCake.java：package duct;public c