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最新推荐文章于 2024-04-22 16:59:44 发布

yang957862615

最新推荐文章于 2024-04-22 16:59:44 发布

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分类专栏： JAVA基础

本文链接：https://blog.youkuaiyun.com/yang957862615/article/details/53141031

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本文介绍了一个简单的航班管理系统的设计与实现，包括航班信息的增删改查等功能。系统采用Java语言开发，利用Scanner进行用户交互，实现了根据日期和目的地查询航班、删除及更新航班信息等操作。

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实体类

package com.newer.exam2;

public class AirInfo {
    private String id;
    private String flight_number;
    private String destination;
    private String flight_date;
    public AirInfo() {
        super();
    }
    public AirInfo(String id, String flight_number, String destination, String flight_date) {
        super();
        this.id = id;
        this.flight_number = flight_number;
        this.destination = destination;
        this.flight_date = flight_date;
    }
    public String getId() {
        return id;
    }
    public void setId(String id) {
        this.id = id;
    }
    public String getFlight_number() {
        return flight_number;
    }
    public void setFlight_number(String flight_number) {
        this.flight_number = flight_number;
    }
    public String getDestination() {
        return destination;
    }
    public void setDestination(String destination) {
        this.destination = destination;
    }
    public String getFlight_date() {
        return flight_date;
    }
    public void setFlight_date(String flight_date) {
        this.flight_date = flight_date;
    }
}

action类

package com.newer.exam2;

import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class AirInfoManager {

    private List<AirInfo> airList = new ArrayList<>();

    public void add() {
        AirInfo a1 = new AirInfo("1", "001", "beijing", "2010-1-1");
        AirInfo a2 = new AirInfo("2", "002", "shanghai", "2011-1-1");
        AirInfo a3 = new AirInfo("3", "003", "guangzhou", "2012-1-1");
        airList.add(a1);
        airList.add(a2);
        airList.add(a3);
    }
    /**
     * 列出所有航班
     */
    public void listAll() {
        System.out.print("编号" + "\t");
        System.out.print("航班号" + "\t");
        System.out.print("目的地 " + "\t");
        System.out.println("起飞日期" + "\t");
        for (AirInfo airInfo : airList) {
            System.out.print(airInfo.getId() + "\t");
            System.out.print(airInfo.getFlight_number() + "\t");
            System.out.print(airInfo.getDestination() + "\t");
            System.out.print(airInfo.getFlight_date() + "\t");
            System.out.println();
        }
    }
    /**
     * 通过日期查询航班
     */
    public void dateSearch() {
        Scanner sc = new Scanner(System.in);
        System.out.println("请输入起飞时间");
        String date = sc.next();
        System.out.print("编号" + "\t");
        System.out.print("航班号" + "\t");
        System.out.print("目的地 " + "\t");
        System.out.println("起飞日期" + "\t");
        for (int i = 0; i < airList.size(); i++) {
            if (airList.get(i).getFlight_date().equals(date)) {
                System.out.print(airList.get(i).getId() + "\t");
                System.out.print(airList.get(i).getFlight_number() + "\t");
                System.out.print(airList.get(i).getDestination() + "\t");
                System.out.println(airList.get(i).getFlight_date() + "\t");
            }
        }
    }
    /**
     * 通过目的地查找航班
     */
    public void placeSearch() {
        Scanner sc = new Scanner(System.in);
        System.out.println("请输入目的地");
        String place = sc.next();
        System.out.print("编号" + "\t");
        System.out.print("航班号" + "\t");
        System.out.print("目的地 " + "\t");
        System.out.println("起飞日期" + "\t");
//      1.遍历集合
        for (int i = 0; i < airList.size(); i++) {
//          2.找到与输入的相匹配的项之后把其他所有信息都打印出来
            if (airList.get(i).getDestination().equals(place)) {
                System.out.print(airList.get(i).getId() + "\t");
                System.out.print(airList.get(i).getFlight_number() + "\t");
                System.out.print(airList.get(i).getDestination() + "\t");
                System.out.println(airList.get(i).getFlight_date() + "\t");
            }
        }
    }
    /**
     * 通过编号删除航班
     */
    public void deleteByid() {
        Scanner sc = new Scanner(System.in);
        System.out.println("请输入要删除的航班编号");
        String place = sc.next();
        for (int i = 0; i < airList.size(); i++) {
            if (airList.get(i).getId().equals(place)) {
                System.out.println("删除" + airList.get(i).getId() + "成功");
                airList.remove(airList.get(i));
            }
        }
    }
    /**
     * 通过编号更改航班
     */
    public void updateFlight() {
        Scanner sc = new Scanner(System.in);
        System.out.println("请输入要更新的航班编号");
        String place = sc.next();
        for (int i = 0; i < airList.size(); i++) {
            if (airList.get(i).getId().equals(place)) {
                System.out.print("输入新的航班号:");
                String id = sc.next();
                System.out.print("输入新的目的地:");
                String des = sc.next();
                System.out.print("输入新的起飞日期:");
                String date = sc.next();
                String j = (i+1) + "";
                airList.set(i, new AirInfo(j, id, des, date));
                System.out.println("更新成功!");
            }
        }
    }
}

view类

package com.newer.exam2;

import java.util.Scanner;

public class TestAirInfo {

    public static void main(String[] args) {
        System.out.println("*************欢迎使用航空管理系统************");
        AirInfoManager aim = new AirInfoManager();
        aim.add();
        Scanner sc = new Scanner(System.in);
        boolean flag = true;
        while(flag){
            System.out.println("请选择操作(1：列出所有航班 2: 按起飞时间查询 3: 按目的地查询 4: 删除航班 5:更新航班 6:离开系统)");
            String answer = sc.next();
            if (answer.equals("1")) {
                aim.listAll();
            } else if (answer.equals("2")){
                aim.dateSearch();
            } else if (answer.equals("3")){
                aim.placeSearch();
            } else if (answer.equals("4")){
                aim.deleteByid();
            } else if (answer.equals("5")){
                aim.updateFlight();
            } else if (answer.equals("6")){
                flag = false;
                System.out.println("再见");
            }
        }
    }

}