yilai/OrderItem.java

/**
 * 订单项类，包含订单中的商品信息
 */
package com.orderprocessing;

public class OrderItem {
    private String productId;
    private String productName;
    private int quantity;
    private double price;
    
    // 构造方法
    public OrderItem(String productId, String productName, int quantity, double price) {
        this.productId = productId;
        this.productName = productName;
        this.quantity = quantity;
        this.price = price;
    }
    
    // getter方法
    public String getProductId() {
        return productId;
    }
    
    public String getProductName() {
        return productName;
    }
    
    public int getQuantity() {
        return quantity;
    }
    
    public double getPrice() {
        return price;
    }
    
    @Override
    public String toString() {
        return "OrderItem{" +
                "productId='" + productId + '\'' +
                ", productName='" + productName + '\'' +
                ", quantity=" + quantity +
                ", price=" + price +
                '}';
    }
}