20150528_152805_40_UML-实验报告(03)-类图

北京信息科技大学实验（上机）报告课程名称U M L及建模工具学号2012012194姓名李自然成绩_______附录：影片租赁源程序//租赁类的定义class Rental{private Movie _movie; // 影片private int _rentDate; // 租赁日期private int _daysRented; // 租期public Rental(Movie movie, int daysRented){_movie = movie;_daysRented = daysRented;}public int getDaysRented(){return _daysRented;}public Movie getMovie(){return _movie;}double getCharge(){return _movie.getCharge(_daysRented);}int getFrequentRenterPoints(){return _movie.getFrequentRenterPoints(_daysRented);}}//顾客类的定义class Customer{private String _name; // 姓名private String _phone; // 电话号码private Vector _rentals = new Vector(); // 租借纪录public Customer(String name){_name = name;}public void addRental(Rental arg){_rentals.addElement(arg);}public String getName(){return _name;}//输出租赁交易报告public String statement(){Enumeration rentals = _rentals.elements();String result = "Rental Record for " + getName() + "\n";while (rentals.hasMoreElements()){Rental each = (Rental) rentals.nextElement();//显示该顾客的每个租赁result += "\t" + each.getMovie().getTitle()+ "\t" + String.valueOf(each.getCharge()) + "\n";}//结尾打印（总费用和积分）result += "Amount owed is " + String.valueOf(getTotalCharge()) + "\n";result += "You earned " + String.valueOf(getTotalFrequentRenterPoints()) + " frequent renter points";return result;}//已超文本方式输出租赁交易报告public String htmlStatement(){Enumeration rentals = _rentals.elements();String result = "<H1>Rentals for <EM>" + getName() + "</EM></H1><P>\n";while (rentals.hasMoreElements()){Rental each = (Rental) rentals.nextElement();//显示该顾客的每个租赁result += each.getMovie().getTitle()+ ": "+ String.valueOf(each.getCharge()) + "<BR>\n";}//结尾打印（总费用和积分）result += "<P>You owe <EM>" + String.valueOf(getTotalCharge()) + "</EM><P>\n";result += "On this rental you earned <EM>" + String.valueOf(getTotalFrequentRenterPoints()) + "</EM> frequent renter points<P>";return result;}// 计算总积分private int getTotalFrequentRenterPoints(){int result = 0;Enumeration rentals = _rentals.elements();while (rentals.hasMoreElements()){Rental each = (Rental) rentals.nextElement();result += each.getFrequentRenterPoints();}return result;}// 计算总费用private double getTotalCharge(){double result = 0;Enumeration rentals = _rentals.elements();while (rentals.hasMoreElements()) {Rental each = (Rental) rentals.nextElement();result += each.getCharge();}return result;}}//抽象价格类的定义abstract class Price{abstract int getPriceCode(); // 取得价格代号abstract double getCharge(int daysRented); // 根据租期计算费用int getFrequentRenterPoints(int daysRented) // 根据租期计算积分{return 1;//儿童价格类的定义class ChildrensPrice extends Price{int getPriceCode(){return Movie.CHILDRENS;}double getCharge(int daysRented){double result = 1.5;if (daysRented > 3)result += (daysRented - 3) * 1.5;return result;}}//新片价格类的定义class NewReleasePrice extends Price{int getPriceCode(){return Movie.NEW_RELEASE;}double getCharge(int daysRented){return daysRented * 3;}int getFrequentRenterPoints(int daysRented){return (daysRented > 1) ? 2: 1;}}//普通片价格类的定义class RegularPrice extends Price{int getPriceCode(){return Movie.REGULAR;double getCharge(int daysRented){double result = 2;if (daysRented > 2)result += (daysRented - 2) * 1.5;return result;}}//影片类和主程序public class Movie{public static final int CHILDRENS = 2;public static final int REGULAR = 0;public static final int NEW_RELEASE = 1;private String _title; // 名称private Price _price; // 影片的价格public Movie(String title, int priceCode){_title = title;setPriceCode(priceCode);}public int getPriceCode(){return _price.getPriceCode();}public void setPriceCode(int arg){switch (arg){case REGULAR: // 普通片_price = new RegularPrice();break;case CHILDRENS: // 儿童片_price = new ChildrensPrice();break;case NEW_RELEASE: // 新片_price = new NewReleasePrice();break;default:throw new IllegalArgumentException("Incorrect Price Code");}}public String getTitle(){return _title;}// 影片租金double getCharge(int daysRented){return _price.getCharge(daysRented);}// 影片积分int getFrequentRenterPoints(int daysRented){return _price.getFrequentRenterPoints(daysRented);}// 主程序public static void main(String[] args){System.out.println("Refactoring, a First Example, step7");Movie m1 = new Movie("2012", Movie.NEW_RELEASE);Movie m2 = new Movie("南京南京！", Movie.REGULAR);Movie m3 = new Movie("喜羊羊", Movie.CHILDRENS);Rental r1 = new Rental(m1, 4);Rental r2 = new Rental(m1, 2);Rental r3 = new Rental(m3, 7);Rental r4 = new Rental(m2, 5);Rental r5 = new Rental(m3, 3);Customer c1 = new Customer("张三");c1.addRental(r1);c1.addRental(r4);Customer c2 = new Customer("李四");c2.addRental(r1);c2.addRental(r3);c2.addRental(r2);Customer c3 = new Customer("王五");c3.addRental(r3);c3.addRental(r5);Customer c4 = new Customer("钱六");c4.addRental(r2);c4.addRental(r3);c4.addRental(r5);System.out.println(c1.statement());System.out.println(c2.statement());System.out.println(c3.statement());System.out.println(c4.statement());}说明：1.正文的实验名称、实验目的、实验内容、实验要求由教师指定，建议每个实验由教师事先填好，然后作为实验报告模版供学生使用；2.实验准备由学生在实验或上机之前填写，教师应该在实验前检查；3.实验过程由学生记录实验的过程，包括操作过程、遇到哪些问题以及如何解决等；4.实验总结由学生在实验后填写，总结本次实验的收获、未解决的问题以及体会和建议等；5.源程序或部分代码、具体语句等作为附录。