ADD file via upload

MaintenanceSystem.java

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+package com.automobile.service;
+
+import com.automobile.model.Car;
+import com.automobile.parts.Engine;
+import com.automobile.parts.Piston;
+import com.automobile.parts.SteeringWheel;
+import com.automobile.parts.Seat;
+import com.automobile.parts.Transmission;
+import com.automobile.parts.Wheel;
+import com.automobile.system.ElectronicSystem;
+import com.automobile.system.ElectronicControlUnit;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * 汽车维修系统类
+ * 展示组合关系中部件的更换和维修
+ */
+public class MaintenanceSystem {
+    private String garageName;
+    private List<ServiceRecord> serviceHistory;
+    
+    /**
+     * 构造方法
+     * @param garageName 修理厂名称
+     */
+    public MaintenanceSystem(String garageName) {
+        this.garageName = garageName;
+        this.serviceHistory = new ArrayList<>();
+    }
+    
+    /**
+     * 执行常规保养
+     * @param car 要保养的汽车
+     */
+    public void performRegularMaintenance(Car car) {
+        System.out.println("\n===== 开始常规保养 =====");
+        System.out.println("车辆: " + car.getBrand() + " " + car.getModel());
+        
+        // 检查和更换机油
+        System.out.println("更换引擎机油...");
+        
+        // 检查轮胎
+        System.out.println("检查轮胎...");
+        for (int i = 0; i < car.getWheels().size(); i++) {
+            Wheel wheel = car.getWheels().get(i);
+            wheel.checkStatus();
+            wheel.adjustPressure(2.5); // 调整到标准胎压
+        }
+        
+        // 检查电子系统
+        System.out.println("执行电子系统诊断...");
+        car.getElectronicSystem().runDiagnostics();
+        
+        // 记录保养
+        ServiceRecord record = new ServiceRecord(
+            car.getVin(),
+            "常规保养",
+            "更换机油、检查轮胎、电子系统诊断"
+        );
+        serviceHistory.add(record);
+        
+        System.out.println("===== 常规保养完成 =====\n");
+    }
+    
+    /**
+     * 更换方向盘
+     * @param car 汽车
+     * @param newType 新方向盘类型
+     */
+    public void replaceSteeringWheel(Car car, String newType) {
+        System.out.println("\n===== 更换方向盘 =====");
+        System.out.println("当前方向盘: " + car.getSteeringWheel().getType());
+        
+        // 在实际应用中，这里应该创建一个新的方向盘对象并替换
+        // 由于Java的封装性，我们通过setter方法来修改
+        car.getSteeringWheel().setType(newType);
+        
+        System.out.println("新方向盘: " + car.getSteeringWheel().getType());
+        
+        // 记录维修
+        ServiceRecord record = new ServiceRecord(
+            car.getVin(),
+            "更换方向盘",
+            "更换为: " + newType
+        );
+        serviceHistory.add(record);
+        
+        System.out.println("===== 方向盘更换完成 =====\n");
+    }
+    
+    /**
+     * 更换座椅
+     * @param car 汽车
+     * @param seatIndex 要更换的座椅索引
+     * @param newMaterial 新材料
+     * @param heated 是否加热
+     * @param ventilated 是否通风
+     */
+    public void replaceSeat(Car car, int seatIndex, String newMaterial, boolean heated, boolean ventilated) {
+        if (seatIndex >= 0 && seatIndex < car.getSeats().size()) {
+            System.out.println("\n===== 更换座椅 =====");
+            Seat oldSeat = car.getSeats().get(seatIndex);
+            System.out.println("当前座椅: " + oldSeat.getType() + ", " + oldSeat.getMaterial());
+            
+            // 创建新座椅并替换
+            Seat newSeat = new Seat(oldSeat.getType());
+            newSeat.setMaterial(newMaterial);
+            newSeat.setHeated(heated);
+            newSeat.setVentilated(ventilated);
+            
+            // 替换座椅
+            car.getSeats().set(seatIndex, newSeat);
+            
+            System.out.println("新座椅: " + newSeat.getType() + ", " + newSeat.getMaterial() + 
+                             ", 加热: " + heated + ", 通风: " + ventilated);
+            
+            // 记录维修
+            ServiceRecord record = new ServiceRecord(
+                car.getVin(),
+                "更换座椅",
+                "座椅类型: " + oldSeat.getType() + ", 新材料: " + newMaterial
+            );
+            serviceHistory.add(record);
+            
+            System.out.println("===== 座椅更换完成 =====\n");
+        } else {
+            System.out.println("无效的座椅索引");
+        }
+    }
+    
+    /**
+     * 维修引擎
+     * @param car 汽车
+     * @param issue 问题描述
+     */
+    public void repairEngine(Car car, String issue) {
+        System.out.println("\n===== 维修引擎 =====");
+        System.out.println("引擎类型: " + car.getEngine().getType());
+        System.out.println("问题: " + issue);
+        
+        // 检查活塞状态
+        System.out.println("检查活塞...");
+        for (Piston piston : car.getEngine().getPistons()) {
+            System.out.println(piston.getStatus());
+        }
+        
+        // 模拟修复过程
+        System.out.println("执行引擎修复...");
+        System.out.println("修复完成");
+        
+        // 记录维修
+        ServiceRecord record = new ServiceRecord(
+            car.getVin(),
+            "引擎维修",
+            issue
+        );
+        serviceHistory.add(record);
+        
+        System.out.println("===== 引擎维修完成 =====\n");
+    }
+    
+    /**
+     * 重置电子控制单元
+     * @param car 汽车
+     * @param ecuType ECU类型
+     */
+    public void resetECU(Car car, String ecuType) {
+        System.out.println("\n===== 重置ECU =====");
+        
+        for (ElectronicControlUnit ecu : car.getElectronicSystem().getEcus()) {
+            if (ecu.getType().contains(ecuType)) {
+                System.out.println("重置 " + ecu.getAbbreviation() + "...");
+                ecu.shutdown();
+                ecu.initialize();
+                ecu.clearFault();
+                System.out.println("重置完成");
+                
+                // 记录维修
+                ServiceRecord record = new ServiceRecord(
+                    car.getVin(),
+                    "重置ECU",
+                    "ECU类型: " + ecu.getType()
+                );
+                serviceHistory.add(record);
+                
+                System.out.println("===== ECU重置完成 =====\n");
+                return;
+            }
+        }
+        
+        System.out.println("未找到类型为 " + ecuType + " 的ECU");
+    }
+    
+    /**
+     * 显示维修历史
+     * @param vin 车辆识别号
+     */
+    public void showServiceHistory(String vin) {
+        System.out.println("\n===== 维修历史 (" + vin + ") =====");
+        boolean found = false;
+        
+        for (ServiceRecord record : serviceHistory) {
+            if (record.getVin().equals(vin)) {
+                System.out.println(record.toString());
+                found = true;
+            }
+        }
+        
+        if (!found) {
+            System.out.println("未找到该车辆的维修记录");
+        }
+        
+        System.out.println("========================\n");
+    }
+    
+    /**
+     * 内部类：维修记录
+     */
+    private static class ServiceRecord {
+        private String vin;
+        private String serviceType;
+        private String description;
+        private long timestamp;
+        
+        public ServiceRecord(String vin, String serviceType, String description) {
+            this.vin = vin;
+            this.serviceType = serviceType;
+            this.description = description;
+            this.timestamp = System.currentTimeMillis();
+        }
+        
+        public String getVin() {
+            return vin;
+        }
+        
+        @Override
+        public String toString() {
+            return "时间: " + new java.util.Date(timestamp) + 
+                   ", 类型: " + serviceType + ", 描述: " + description;
+        }
+    }
+}