Car/Seat.java

package com.automobile.parts;

/**
 * 座椅类 - 与汽车是组合关系
 * 座椅是汽车的必要组成部分，不能独立于汽车存在
 */
public class Seat {
    /**
     * 座椅类型枚举
     */
    public enum SeatType {
        DRIVER,      // 驾驶员座椅
        PASSENGER,   // 前排乘客座椅
        REAR         // 后排座椅
    }
    
    private SeatType type;
    private String material;
    private boolean heated;
    private boolean ventilated;
    private int position;
    
    /**
     * 构造方法 - 创建不同类型的座椅
     * @param type 座椅类型
     */
    public Seat(SeatType type) {
        this.type = type;
        this.material = "皮质座椅";
        
        // 驾驶员座椅具有更多功能
        if (type == SeatType.DRIVER) {
            this.heated = true;
            this.ventilated = true;
            this.position = 5; // 默认位置
        } else {
            this.heated = type == SeatType.PASSENGER; // 前排乘客座椅有加热
            this.ventilated = false;
            this.position = 5; // 默认位置
        }
    }
    
    /**
     * 调整座椅位置
     * @param newPosition 新位置
     */
    public void adjustPosition(int newPosition) {
        if (newPosition >= 1 && newPosition <= 10) {
            this.position = newPosition;
            System.out.println(type + " 座椅调整到位置 " + newPosition);
        } else {
            System.out.println("无效的座椅位置");
        }
    }
    
    /**
     * 开启加热功能
     */
    public void turnOnHeating() {
        if (heated) {
            System.out.println(type + " 座椅加热已开启");
        } else {
            System.out.println(type + " 座椅不支持加热功能");
        }
    }
    
    /**
     * 开启通风功能
     */
    public void turnOnVentilation() {
        if (ventilated) {
            System.out.println(type + " 座椅通风已开启");
        } else {
            System.out.println(type + " 座椅不支持通风功能");
        }
    }
    
    // Getter 和 Setter 方法
    public SeatType getType() {
        return type;
    }
    
    public void setType(SeatType type) {
        this.type = type;
    }
    
    public String getMaterial() {
        return material;
    }
    
    public void setMaterial(String material) {
        this.material = material;
    }
    
    public boolean isHeated() {
        return heated;
    }
    
    public void setHeated(boolean heated) {
        this.heated = heated;
    }
    
    public boolean isVentilated() {
        return ventilated;
    }
    
    public void setVentilated(boolean ventilated) {
        this.ventilated = ventilated;
    }
    
    public int getPosition() {
        return position;
    }
}