航班订单迭代
在第十一周、十二周的作业中。我们写了订单类迭代。这次的题目相对简单。但四大原则着实困扰了我很久，不多说上实例。
第一道题目如下：
航空快递以速度快、安全性高成为急件或贵重物品的首选。本题目要求对航空货运管理系统进行类设计，具体说明参看说明文件。
OO第九周作业题目说明.pdf
输入格式:
按如下顺序分别输入客户信息、货物信息、航班信息以及订单信息。
客户编号
客户姓名
客户电话
客户地址
运送货物数量
[货物编号
货物名称
货物宽度
货物长度
货物高度
货物重量
]//[]内的内容输入次数取决于“运送货物数量”，输入不包含“[]”
航班号
航班起飞机场
航班降落机场
航班日期（格式为YYYY-MM-DD）
航班最大载重量
订单编号
订单日期（格式为YYYY-MM-DD）
发件人地址
发件人姓名
发件人电话
收件人地址
收件人姓名
收件人电话
输出格式:
如果订单中货物重量超过航班剩余载重量，程序输出The flight with flight number:航班号 has exceeded its load capacity and cannot carry the order. ，程序终止运行。
如果航班载重量可以承接该订单，输出如下：
客户：姓名(电话)订单信息如下：
航班号：
订单号：
订单日期：
发件人姓名：
发件人电话：
发件人地址：
收件人姓名：
收件人电话：
收件人地址：
订单总重量(kg)：
微信支付金额：
货物明细如下：
明细编号 货物名称 计费重量 计费费率 应交运费
1 ...
2 ...
注：输出中实型数均保留1位小数。
输入样例:
在这里给出一组输入。例如：
10001
郭靖
13807911234
南昌航空大学
2
101
发电机
80
60
40
80
102
信号发生器
55
70
60
45
MU1234
昌北国际机场
大兴国际机场
2025-04-22
1000
900001
2025-04-22
南昌大学
洪七公
18907912325
北京大学
黄药师
13607912546
输出样例:
在这里给出相应的输出。例如：
客户：郭靖(13807911234)订单信息如下：
航班号：MU1234
订单号：900001
订单日期：2025-04-22
发件人姓名：洪七公
发件人电话：18907912325
发件人地址：南昌大学
收件人姓名：黄药师
收件人电话：13607912546
收件人地址：北京大学
订单总重量(kg)：125.0
微信支付金额：3350.0
货物明细如下：
明细编号 货物名称 计费重量 计费费率 应交运费
1 发电机 80.0 25.0 2000.0
2 信号发生器 45.0 30.0 1350.0
这道题主要考查的知识点如下：
1、容器类的使用
2、合理规划各个类的关系
看起来很简单是吧。但这道题因为我的独断专行，导致我最后一天才完成，应为我没有看群里的费率计算方式。多么大的坑呐！！！
以下是这次题的代码：
点击查看代码
import java.util.Scanner;
import java.util.ArrayList;
import java.util.List;
import java.util.InputMismatchException;
import java.text.ParseException;
import java.text.SimpleDateFormat;
public class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
String clientId = sc.next();
String clientName = sc.next();
String clientPhone = sc.next();
String clientAddress = sc.next();
Client client = new Client(clientId, clientName, clientPhone, clientAddress);
int cargoCount = 0;
try {
cargoCount = sc.nextInt();
if (cargoCount <= 0) {
System.out.println("Wrong Format");
System.exit(0);
}
} catch (InputMismatchException e) {
System.out.println("Wrong Format");
System.exit(0);
}
List<Cargo> cargoList = new ArrayList<>();
for (int i = 0; i < cargoCount; ) {
try {
String cargoId = sc.next();
String cargoName = sc.next();
double width = sc.nextDouble();
double length = sc.nextDouble();
double height = sc.nextDouble();
double weight = sc.nextDouble();
if (width <= 0 || length <= 0 || height <= 0 || weight <= 0) {
System.out.println("Wrong Format");
System.exit(0);
}
Cargo cargo = new Cargo(cargoName, weight, height, length, width, cargoId);
cargoList.add(cargo);
i++;
} catch (InputMismatchException e) {
System.out.println("Wrong Format");
System.exit(0);
}
}
String flightId = sc.next();
String departure = sc.next();
String destination = sc.next();
String flightDate = sc.next();
double maxWeight = 0;
try {
maxWeight = sc.nextDouble();
if (maxWeight <= 0) {
System.out.println("Wrong Format");
System.exit(0);
}
} catch (InputMismatchException e) {
System.out.println("Wrong Format");
System.exit(0);
}
Flight flight = new Flight(departure, destination, flightDate, maxWeight, flightId);
String orderId = sc.next();
String orderDate = sc.next();
Order order = new Order(orderId, orderDate);
String senderAddress = sc.next();
String senderName = sc.next();
String senderPhone = sc.next();
Sender sender = new Sender(new User(senderAddress, senderName, senderPhone));
String recipientName = sc.next();
String recipientPhone = sc.next();
String recipientAddress = sc.next();
Recipient recipient = new Recipient(new User(recipientName, recipientPhone, recipientAddress));
double totalWeight = 0;
for (Cargo cargo : cargoList) {
totalWeight += cargo.getFinalWeight();
}
if (totalWeight > flight.getMaxWeight()) {
System.out.printf("The flight with flight number:%s has exceeded its load capacity and cannot carry the order.", flight.getId());
System.exit(0);
}
double totalCost = 0;
for (Cargo cargo : cargoList) {
totalCost += cargo.getRate() * cargo.getFinalWeight();
}
System.out.printf("客户：%s(%s)订单信息如下：%n", client.getName(), client.getPhoneNumber());
System.out.println("-----------------------------------------");
System.out.println("航班号：" + flight.getId());
System.out.println("订单号：" + order.getId());
System.out.println("订单日期：" + order.getOrderDate());
sender.display();
recipient.display();
System.out.println("订单总重量(kg)：" + String.format("%.1f", totalWeight));
System.out.println("微信支付金额：" + String.format("%.1f", totalCost));
System.out.println("\n货物明细如下：");
System.out.println("-----------------------------------------");
System.out.println("明细编号\t货物名称\t计费重量\t计费费率\t应交运费");
for (int i = 0; i < cargoList.size(); i++) {
Cargo cargo = cargoList.get(i);
if(i!=cargoList.size()-1)
{
System.out.printf("%d\t%s\t%.1f\t%.1f\t%.1f%n",i + 1,cargo.getName(),cargo.getFinalWeight(),cargo.getRate(),cargo.getRate() * cargo.getFinalWeight());
}
else {
System.out.printf("%d\t%s\t%.1f\t%.1f\t%.1f",i + 1,cargo.getName(),cargo.getFinalWeight(),cargo.getRate(),cargo.getRate() * cargo.getFinalWeight());
}
}
}
}
class Control {
private AllCargo allCargo;
private Client client;
private Flight flight;
private Order order;
private Sender sender;
private Recipient recipient;
public Control(AllCargo allCargo, Client client, Flight flight,
Order order, Sender sender, Recipient recipient) {
this.allCargo = allCargo;
this.client = client;
this.flight = flight;
this.order = order;
this.sender = sender;
this.recipient = recipient;
}
public AllCargo getAllCargo() {
return allCargo;
}
public Client getClient() {
return client;
}
public Flight getFlight() {
return flight;
}
public Order getOrder() {
return order;
}
public Sender getSender() {
return sender;
}
public Recipient getRecipient() {
return recipient;
}
}
class AllCargo {
private List<Cargo> cargoList;
public AllCargo(List<Cargo> cargoList) {
this.cargoList = cargoList;
}
public List<Cargo> getCargoList() {
return cargoList;
}
public void setCargoList(List<Cargo> cargoList) {
this.cargoList = cargoList;
}
}
class Cargo {
private String id;
private String name;
private double grossWeight;
private double height;
private double length;
private double width;
public Cargo(String name, double grossWeight, double height,
double length, double width, String id) {
this.name = name;
this.grossWeight = grossWeight;
this.height = height;
this.length = length;
this.width = width;
this.id = id;
}
public double getFinalWeight() {
double volumWeight = (length * height * width) / 6000;
return Math.max(volumWeight, grossWeight);
}
public double getRate() {
if(getFinalWeight()<20)
{
return 35.0;
}
if(getFinalWeight()>=20&&getFinalWeight()<50)
{
return 30.0;
}
if(getFinalWeight()>=50&&getFinalWeight()<100)
{
return 25.0;
}
if(getFinalWeight()>=100)
{
return 15.0;
}
return 0;
}
public String getId() {
return id;
}
public String getName() {
return name;
}
public double getGrossWeight() {
return grossWeight;
}
public double getHeight() {
return height;
}
public double getLength() {
return length;
}
public double getWidth() {
return width;
}
}
class Flight {
private String id;
private String departureLocation;
private String landingSite;
private String flightDate;
private double maxWeight;
public Flight(String departureLocation, String landingSite,
String flightDate, double maxWeight, String id) {
this.departureLocation = departureLocation;
this.landingSite = landingSite;
this.flightDate = flightDate;
this.maxWeight = maxWeight;
this.id = id;
}
public String getId() {
return id;
}
public String getDepartureLocation() {
return departureLocation;
}
public String getLandingSite() {
return landingSite;
}
public String getFlightDate() {
return flightDate;
}
public double getMaxWeight() {
return maxWeight;
}
}
class Order {
private String id;
private String orderDate;
public Order(String id, String orderDate) {
this.id = id;
this.orderDate = orderDate;
}
public String getId() {
return id;
}
public String getOrderDate() {
return orderDate;
}
}
class User {
private String name;
private String phoneNumber;
private String location;
public User(String location,String name, String phoneNumber) {
this.location = location;
this.name = name;
this.phoneNumber = phoneNumber;
}
public String getName() {
return name;
}
public String getPhoneNumber() {
return phoneNumber;
}
public String getLocation() {
return location;
}
public void display() {
System.out.printf("姓名：%s%n", name);
System.out.printf("电话：%s%n", phoneNumber);
System.out.printf("地址：%s%n", location);
}
}
class Sender {
private User user;
public Sender(User user) {
this.user = user;
}
public User getUser() {
return user;
}
public void display() {
System.out.println("发件人姓名："+user.getName());
System.out.println("发件人电话："+user.getPhoneNumber());
System.out.println("发件人地址："+user.getLocation());
}
}
class Recipient {
private User user;
public Recipient(User user) {
this.user = user;
}
public User getUser() {
return user;
}
public void display() {
System.out.println("收件人姓名："+user.getName());
System.out.println("收件人电话："+user.getPhoneNumber());
System.out.println("收件人地址："+user.getLocation());
}
}
interface PaymentStrategy {
double getCost();
}
class Payment implements PaymentStrategy {
private double cost;
public Payment(double cost) {
this.cost = cost;
}
@Override
public double getCost() {
return cost;
}
}
class Alipay extends Payment {
public Alipay(double cost) {
super(cost);
}
}
class Wcpay extends Payment {
public Wcpay(double cost) {
super(cost);
}
}
class Client {
private String id;
private String name;
private String phoneNumber;
private String location;
public Client(String id, String name, String phoneNumber, String location) {
this.id = id;
this.name = name;
this.phoneNumber = phoneNumber;
this.location = location;
}
public String getId() {
return id;
}
public String getName() {
return name;
}
public String getPhoneNumber() {
return phoneNumber;
}
public String getLocation() {
return location;
}
}
由于在类图的基础上进行了符合四大原则的修改。所以显得不一样。
答案结果如图所示：
启示：
在这次题目中，我感觉自己的代码能力有所提升。但在容器类使用的不够熟练、按照四大原则设计的习惯不够强烈。反映出了我对代码使用的不足。
第二次题目迭代：
第二次题目在第一次题目上增加了对支付方式调用、货物运输方式调用的迭代
其实相对第一道题目没有多大改变。就增加了getClass().getSimpleName()函数以及equals用法没有多大改变，相对电梯类迭代简单。
以下是本次题目的代码：
点击查看代码
import java.util.Scanner;
import java.util.ArrayList;
import java.util.List;
import java.util.InputMismatchException;
import java.text.ParseException;
import java.text.SimpleDateFormat;
public class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
String clientType=sc.next();
String type="Individual|Corporate";
if(!clientType.matches("(Individual|Corporate)"))
{
System.out.println("Wrong Format");
System.exit(0);
}
String clientId = sc.next();
String clientName = sc.next();
String clientPhone = sc.next();
String clientAddress = sc.next();
Client client = new Client(clientId, clientName, clientPhone, clientAddress,clientType);
String allcargoType=sc.next();
int cargoCount = 0;
try {
cargoCount = sc.nextInt();
if (cargoCount <= 0) {
System.out.println("Wrong Format");
System.exit(0);
}
} catch (InputMismatchException e) {
System.out.println("Wrong Format");
System.exit(0);
}
if(!allcargoType.matches("(Normal|Expedite|Dangerous)"))
{
System.out.println("Wrong Format");
System.exit(0);
}
List<Cargo> cargoList = new ArrayList<>();
for (int i = 0; i < cargoCount; ) {
try {
String cargoId = sc.next();
String cargoName = sc.next();
double width = sc.nextDouble();
double length = sc.nextDouble();
double height = sc.nextDouble();
double weight = sc.nextDouble();
if (width <= 0 || length <= 0 || height <= 0 || weight <= 0) {
System.out.println("Wrong Format");
System.exit(0);
}
Cargo cargo=null;
if(allcargoType.equals("Normal"))
{
cargo = new normalCargo(cargoName, weight, height, length, width, cargoId);
}
else if(allcargoType.equals("Expedite"))
{
cargo= new expediteCargo(cargoName, weight, height, length, width, cargoId);
}
else if(allcargoType.equals("Dangerous"))
{
cargo=new dangerousCargo(cargoName, weight, height, length, width, cargoId);
}
cargoList.add(cargo);
i++;
} catch (InputMismatchException e) {
System.out.println("Wrong Format");
System.exit(0);
}
}
String flightId = sc.next();
String departure = sc.next();
String destination = sc.next();
String flightDate = sc.next();
double maxWeight = 0;
try {
maxWeight = sc.nextDouble();
if (maxWeight <= 0) {
System.out.println("Wrong Format");
System.exit(0);
}
} catch (InputMismatchException e) {
System.out.println("Wrong Format");
System.exit(0);
}
Flight flight = new Flight(departure, destination, flightDate, maxWeight, flightId);
String orderId = sc.next();
String orderDate = sc.next();
Order order = new Order(orderId, orderDate);
String senderAddress = sc.next();
String senderName = sc.next();
String senderPhone = sc.next();
Sender sender = new Sender(new User(senderAddress, senderName, senderPhone));
String recipientName = sc.next();
String recipientPhone = sc.next();
String recipientAddress = sc.next();
Recipient recipient = new Recipient(new User(recipientName, recipientPhone, recipientAddress));
String payType=sc.next();
double totalWeight = 0;
for (Cargo cargo : cargoList) {
totalWeight += cargo.getFinalWeight();
}
if (totalWeight > flight.getMaxWeight()) {
System.out.printf("The flight with flight number:%s has exceeded its load capacity and cannot carry the order.", flight.getId());
System.exit(0);
}
double totalCost = 0;
for (Cargo cargo : cargoList) {
totalCost += cargo.getRate() * cargo.getFinalWeight();
}
if(clientType.equals("Individual"))
{
totalCost*=0.9;
}
else if(clientType.equals("Corporate"))
{
totalCost*=0.8;
}
System.out.printf("客户：%s(%s)订单信息如下：%n", client.getName(), client.getPhoneNumber());
System.out.println("-----------------------------------------");
System.out.println("航班号：" + flight.getId());
System.out.println("订单号：" + order.getId());
System.out.println("订单日期：" + order.getOrderDate());
sender.display();
recipient.display();
System.out.println("订单总重量(kg)：" + String.format("%.1f", totalWeight));
if(payType.equals("Wechat"))
{
System.out.println("微信支付金额：" + String.format("%.1f", totalCost));
}
else if(payType.equals("ALiPay"))
{
System.out.println("支付宝支付金额：" + String.format("%.1f", totalCost));
}
else if(payType.equals("Cash"))
{
System.out.println("现金支付金额：" + String.format("%.1f", totalCost));
}
System.out.println("\n货物明细如下：");
System.out.println("-----------------------------------------");
System.out.println("明细编号\t货物名称\t计费重量\t计费费率\t应交运费");
for (int i = 0; i < cargoList.size(); i++) {
Cargo cargo = cargoList.get(i);
if(i!=cargoList.size()-1)
{
System.out.printf("%d\t%s\t%.1f\t%.1f\t%.1f%n",i + 1,cargo.getName(),cargo.getFinalWeight(),cargo.getRate(),cargo.getRate() * cargo.getFinalWeight());
}
else {
System.out.printf("%d\t%s\t%.1f\t%.1f\t%.1f",i + 1,cargo.getName(),cargo.getFinalWeight(),cargo.getRate(),cargo.getRate() * cargo.getFinalWeight());
}
}
}
}
class Control {
private AllCargo allCargo;
private Client client;
private Flight flight;
private Order order;
private Sender sender;
private Recipient recipient;
public Control(AllCargo allCargo, Client client, Flight flight,
Order order, Sender sender, Recipient recipient) {
this.allCargo = allCargo;
this.client = client;
this.flight = flight;
this.order = order;
this.sender = sender;
this.recipient = recipient;
}
public AllCargo getAllCargo() {
return allCargo;
}
public Client getClient() {
return client;
}
public Flight getFlight() {
return flight;
}
public Order getOrder() {
return order;
}
public Sender getSender() {
return sender;
}
public Recipient getRecipient() {
return recipient;
}
}
class AllCargo {
private List<Cargo> cargoList;
private String type;
public AllCargo(List<Cargo> cargoList) {
this.cargoList = cargoList;
}
public List<Cargo> getCargoList() {
return cargoList;
}
public void setCargoList(List<Cargo> cargoList) {
this.cargoList = cargoList;
}
public String getType() {
return type;
}
public void setType() {
this.type=type;
}
}
interface cargoVarious{
double getRate();
}
abstract class Cargo implements cargoVarious{
private String id;
private String name;
private double grossWeight;
private double height;
private double length;
private double width;
public Cargo(String name, double grossWeight, double height,
double length, double width, String id) {
this.name = name;
this.grossWeight = grossWeight;
this.height = height;
this.length = length;
this.width = width;
this.id = id;
}
public double getFinalWeight() {
double volumWeight = (length * height * width) / 6000;
return Math.max(volumWeight, grossWeight);
}
public abstract double getRate();
public String getId() {
return id;
}
public String getName() {
return name;
}
public double getGrossWeight() {
return grossWeight;
}
public double getHeight() {
return height;
}
public double getLength() {
return length;
}
public double getWidth() {
return width;
}
}
class normalCargo extends Cargo{
public normalCargo(String name, double grossWeight, double height,
double length, double width, String id){
super(name,grossWeight,height,length,width,id);
}
@Override
public double getRate()
{
if(super.getFinalWeight()<20)
{
return 35;
}
if(super.getFinalWeight()>=20&&super.getFinalWeight()<50)
{
return 30;
}
if(super.getFinalWeight()>=50&&super.getFinalWeight()<100)
{
return 25;
}
if(super.getFinalWeight()>=100)
{
return 15;
}
return 0;
}
}
class expediteCargo extends Cargo{
public expediteCargo(String name, double grossWeight, double height,
double length, double width, String id){
super(name,grossWeight,height,length,width,id);
}
@Override
public double getRate()
{
if(super.getFinalWeight()<20)
{
return 60;
}
if(super.getFinalWeight()>=20&&super.getFinalWeight()<50)
{
return 50;
}
if(super.getFinalWeight()>=50&&super.getFinalWeight()<100)
{
return 40;
}
if(super.getFinalWeight()>=100)
{
return 30;
}
return 0;
}
}
class dangerousCargo extends Cargo{
public dangerousCargo(String name, double grossWeight, double height,
double length, double width, String id){
super(name,grossWeight,height,length,width,id);
}
@Override
public double getRate()
{
if(super.getFinalWeight()<20)
{
return 80;
}
if(super.getFinalWeight()>=20&&super.getFinalWeight()<50)
{
return 50;
}
if(super.getFinalWeight()>=50&&super.getFinalWeight()<100)
{
return 30;
}
if(super.getFinalWeight()>=100)
{
return 20;
}
return 0;
}
}
class Flight {
private String id;
private String departureLocation;
private String landingSite;
private String flightDate;
private double maxWeight;
public Flight(String departureLocation, String landingSite,
String flightDate, double maxWeight, String id) {
this.departureLocation = departureLocation;
this.landingSite = landingSite;
this.flightDate = flightDate;
this.maxWeight = maxWeight;
this.id = id;
}
public String getId() {
return id;
}
public String getDepartureLocation() {
return departureLocation;
}
public String getLandingSite() {
return landingSite;
}
public String getFlightDate() {
return flightDate;
}
public double getMaxWeight() {
return maxWeight;
}
}
class Order {
private String id;
private String orderDate;
public Order(String id, String orderDate) {
this.id = id;
this.orderDate = orderDate;
}
public String getId() {
return id;
}
public String getOrderDate() {
return orderDate;
}
}
class User {
private String name;
private String phoneNumber;
private String location;
public User(String location,String name, String phoneNumber) {
this.location = location;
this.name = name;
this.phoneNumber = phoneNumber;
}
public String getName() {
return name;
}
public void setName(String name)
{
this.name=name;
}
public String getPhoneNumber() {
return phoneNumber;
}
public void setPhoneNumber(String phoneNumber)
{
this.phoneNumber=phoneNumber;
}
public String getLocation() {
return location;
}
public void setLocation(String location)
{
this.location=location;
}
public void display() {
System.out.printf("姓名：%s%n", name);
System.out.printf("电话：%s%n", phoneNumber);
System.out.printf("地址：%s%n", location);
}
}
class Sender {
private User user;
public Sender(User user) {
this.user = user;
}
public User getUser() {
return user;
}
public void display() {
System.out.println("发件人姓名："+user.getName());
System.out.println("发件人电话："+user.getPhoneNumber());
System.out.println("发件人地址："+user.getLocation());
}
}
class Recipient {
private User user;
public Recipient(User user) {
this.user = user;
}
public User getUser() {
return user;
}
public void display() {
System.out.println("收件人姓名："+user.getName());
System.out.println("收件人电话："+user.getPhoneNumber());
System.out.println("收件人地址："+user.getLocation());
}
}
interface PaymentStrategy {
double getCost();
}
class Payment implements PaymentStrategy {
private double cost;
private String type;
public Payment(double cost,String type) {
this.cost = cost;
this.type=type;
}
@Override
public double getCost() {
return cost;
}
}
class Alipay extends Payment {
public Alipay(double cost,String type) {
super(cost,type);
}
}
class Wcpay extends Payment {
public Wcpay(double cost,String type) {
super(cost,type);
}
}
class Cashpay extends Payment{
public Cashpay(double cost,String type)
{
super(cost,type);
}
}
class Client {
private String id;
private String name;
private String phoneNumber;
private String location;
private String type;
public Client(String id, String name, String phoneNumber, String location,String type) {
this.id = id;
this.name = name;
this.phoneNumber = phoneNumber;
this.location = location;
this.type=type;
}
public void setId(String id)
{
this.id=id;
}
public String getId() {
return id;
}
public void setName(String name)
{
this.name=name;
}
public String getName() {
return name;
}
public void setPhoneNumber(String phoneNumber)
{
this.phoneNumber=phoneNumber;
}
public String getPhoneNumber() {
return phoneNumber;
}
public void setLocation(String location)
{
this.location=location;
}
public String getLocation() {
return location;
}
public String getType()
{
return type;
}
public void setType(String type)
{
this.type=type;
}
}
以下是本次代码的类图：
答案结果如图所示：
这次迭代相对简单，其实除了些新知识外没什么难度。不过也确实还是有些难度的。
实验总结：
这两次题目集相对简单。不过还是反映了我在容器类掌握的知识不足。以及四大法则不会应用。其他的没什么了。希望我的编程能力能够不断地提升。
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