init

2024-12-22 18:00:46 +08:00
commit c671790341
10 changed files with 407 additions and 0 deletions
@@ -0,0 +1,246 @@
+
+
+
+package org.example;
+
+import org.example.model.Satellite;
+
+import java.util.Scanner;
+
+import java.util.ArrayList;
+import java.util.Scanner;
+
+public class Main {
+    private static ArrayList<Satellite> satellites = new ArrayList<>();
+
+    public static void main(String[] args) {
+        // 初始化五个卫星对象
+        satellites.add(new Satellite("1999-025A", "卫星一号", 7000, true));
+        satellites.add(new Satellite("2000-036A", "卫星二号", 8000, false));
+        satellites.add(new Satellite("2001-047A", "卫星三号", 9000, true));
+        satellites.add(new Satellite("2002-058A", "卫星四号", 10000, false));
+        satellites.add(new Satellite("2003-069A", "卫星五号", 11000, true));
+
+        Scanner scanner = new Scanner(System.in);
+        displayMenu();
+        do {
+            String choose = scanner.next();
+            switch (choose) {
+                //1-----显示目前活动卫星列表。
+                case "1" -> showSatelliteList();
+                //2-----注册新卫星。
+                case "2" -> addNewSatellite(scanner);
+                //3-----删除旧卫星。
+                case "3" -> delOldSatellite(scanner);
+                //4-----激活卫星。
+                case "4" -> activeSatellite(scanner);
+                //5-----封锁(失活)卫星。
+                case "5" -> blockSatellite(scanner);
+                //6-----显示失活卫星列表。
+                case "6" -> showBlockSatelliteList();
+                //7-----按名称模糊查找卫星。
+                case "7" -> querySatelliteByNameLike(scanner);
+                //8-----修改卫星信息。
+                case "8" -> modStatelliteInfo(scanner);
+                //9-----退出!
+                case "9" -> {
+                    System.out.println("退出");
+                    System.exit(0);
+                }
+                default -> System.out.println("没有这个选项");
+            }
+
+            displayMenu();
+        } while (scanner.hasNext());
+    }
+
+    //1-----显示目前活动卫星列表。
+    private static void showSatelliteList() {
+        for (Satellite satellite : satellites) {
+            if (satellite.isActivated()) {
+                System.out.println(satellite);
+            }
+        }
+    }
+
+    //2-----注册新卫星。
+    private static void addNewSatellite(Scanner scanner) {
+        String cosparId = readString(scanner, "请输入卫星的COSPARID: ");
+        String name = readString(scanner, "请输入卫星的名称: ");
+        double r = readDouble(scanner, "请输入卫星的半径: ");
+        boolean activated = readBoolean(scanner, "请输入卫星的状态 (true/false): ");
+
+        Satellite newSatellite = new Satellite(cosparId, name, r, activated);
+        satellites.add(newSatellite);
+        System.out.println("卫星已添加: " + newSatellite);
+    }
+
+    //3-----删除旧卫星。
+    private static void delOldSatellite(Scanner scanner) {
+        String cosparId = readString(scanner, "请输入要删除的卫星COSPARID: ");
+        boolean flag = false;
+        for (Satellite se : satellites) {
+            if (se.getCOSPARID().equals(cosparId)) {
+                satellites.remove(se);
+                System.out.println("卫星已删除: " + se);
+                flag = true;
+                break;
+            }
+        }
+        if (!flag) {
+            System.out.println("无效的COSPARID");
+        }
+    }
+
+    //4-----激活卫星。
+    private static void activeSatellite(Scanner scanner) {
+        String cosparId = readString(scanner, "请输入要激活的卫星COSPARID: ");
+        boolean flag = false;
+        for (Satellite se : satellites) {
+            if (se.getCOSPARID().equals(cosparId)) {
+                if (se.isActivated()) {
+                    System.out.println("卫星已处于激活状态,无需重新激活: " + se);
+                    flag = true;
+                    break;
+                }
+                se.setActivated(true);
+                System.out.println("卫星已激活: " + se);
+                flag = true;
+                break;
+            }
+        }
+        if (!flag) {
+            System.out.println("无效的COSPARID");
+        }
+    }
+
+    //5-----封锁(失活)卫星。
+    private static void blockSatellite(Scanner scanner) {
+        String cosparId = readString(scanner, "请输入要封锁的卫星COSPARID: ");
+        boolean flag = false;
+        for (Satellite se : satellites) {
+            if (se.getCOSPARID().equals(cosparId)) {
+                if (!se.isActivated()) {
+                    System.out.println("卫星已处于失活状态,无需重新封锁: " + se);
+                    flag = true;
+                    break;
+                }
+                se.setActivated(false);
+                System.out.println("卫星已封锁: " + se);
+                flag = true;
+                break;
+            }
+        }
+        if (!flag) {
+            System.out.println("无效的COSPARID");
+        }
+    }
+
+    //6-----显示失活卫星列表。
+    private static void showBlockSatelliteList() {
+        for (Satellite satellite : satellites) {
+            if (!satellite.isActivated()) {
+                System.out.println(satellite);
+            }
+        }
+    }
+
+    //7-----按名称模糊查找卫星。
+    private static void querySatelliteByNameLike(Scanner scanner) {
+        String keyword = readString(scanner, "请输入要查找的卫星名称关键字: ");
+        for (Satellite satellite : satellites) {
+            if (satellite.getName().contains(keyword)) {
+                System.out.println(satellite);
+            }
+        }
+    }
+
+    //8-----修改卫星信息。
+    private static void modStatelliteInfo(Scanner scanner) {
+        String cosparId = readString(scanner, "请输入要修改的卫星COSPARID: ");
+        boolean flag = false;
+        for (Satellite se : satellites) {
+            if (se.getCOSPARID().equals(cosparId)) {
+                String newCosparId = readString(scanner, "请输入卫星的COSPARID: ");
+                se.setCOSPARID(newCosparId);
+                String newName = readString(scanner, "请输入卫星的名称: ");
+                se.setName(newName);
+                double newR = readDouble(scanner, "请输入卫星的半径: ");
+                se.setR(newR);
+                boolean newActivated = readBoolean(scanner, "请输入卫星的状态 (true/false): ");
+                se.setActivated(newActivated);
+                System.out.println("卫星信息已修改: " + se);
+                flag = true;
+                break;
+            }
+        }
+        if (!flag) {
+            System.out.println("无效的COSPARID");
+        }
+    }
+
+    //显示菜单
+    public static void displayMenu() {
+        System.out.println("**************************");
+        System.out.println("\t1-----显示目前活动卫星列表。");
+        System.out.println("\t2-----注册新卫星。");
+        System.out.println("\t3-----删除旧卫星。");
+        System.out.println("\t4-----激活卫星。");
+        System.out.println("\t5-----封锁(失活)卫星。");
+        System.out.println("\t6-----显示失活卫星列表。");
+        System.out.println("\t7-----按名称模糊查找卫星。");
+        System.out.println("\t8-----修改卫星信息。");
+        System.out.println("\t9-----退出!");
+        System.out.println("**************************");
+        System.out.print("选择：");
+    }
+
+    // 读取字符串输入并校验
+    private static String readString(Scanner scanner, String prompt) {
+        String input;
+        do {
+            System.out.print(prompt);
+            input = scanner.next();
+            if (input.trim().isEmpty()) {
+                System.out.println("输入不能为空，请重新输入。");
+            }
+        } while (input.trim().isEmpty());
+        return input;
+    }
+
+    // 读取双精度浮点数输入并校验
+    private static double readDouble(Scanner scanner, String prompt) {
+        double input;
+        while (true) {
+            System.out.print(prompt);
+            if (scanner.hasNextDouble()) {
+                input = scanner.nextDouble();
+                if (input <= 0) {
+                    System.out.println("半径必须大于0，请重新输入。");
+                } else {
+                    break;
+                }
+            } else {
+                System.out.println("输入无效，请输入一个数字。");
+                scanner.next(); // 清除无效输入
+            }
+        }
+        return input;
+    }
+
+    // 读取布尔值输入并校验
+    private static boolean readBoolean(Scanner scanner, String prompt) {
+        boolean input;
+        while (true) {
+            System.out.print(prompt);
+            if (scanner.hasNextBoolean()) {
+                input = scanner.nextBoolean();
+                break;
+            } else {
+                System.out.println("输入无效，请输入 true 或 false。");
+                scanner.next(); // 清除无效输入
+            }
+        }
+        return input;
+    }
+}
@@ -0,0 +1,70 @@
+package org.example.model;
+
+/**
+ * @author : [chd]
+ * @version : [v1.0]
+ * @description : [一句话描述该类的功能]
+ * @createTime : [2024/12/22 17:27]
+ * @updateUser : [chd]
+ * @updateTime : [2024/12/22 17:27]
+ * @updateRemark : [说明本次修改内容]
+ */
+public class Satellite {
+    //卫星id
+    private String COSPARID;
+    //卫星名称
+    private String name;
+    //半径
+    private double r;
+    //状态
+    private boolean activated=false;
+
+    public Satellite(String COSPARID, String name, double r, boolean activated) {
+        this.COSPARID = COSPARID;
+        this.name = name;
+        this.r = r;
+        this.activated = activated;
+    }
+
+    @Override
+    public String toString() {
+        return "Satellite{" +
+                "COSPARID='" + COSPARID + '\'' +
+                ", name='" + name + '\'' +
+                ", r=" + r +
+                ", activated=" + activated +
+                '}';
+    }
+
+    public String getCOSPARID() {
+        return COSPARID;
+    }
+
+    public void setCOSPARID(String COSPARID) {
+        this.COSPARID = COSPARID;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public double getR() {
+        return r;
+    }
+
+    public void setR(double r) {
+        this.r = r;
+    }
+
+    public boolean isActivated() {
+        return activated;
+    }
+
+    public void setActivated(boolean activated) {
+        this.activated = activated;
+    }
+}