关于bean.java的简单介绍！

 1 package com.oracle.jsp.bean;
 2 /**
 3 * 商品订单Bean
 4 * @author svson
 5 *
 6 */
 7 public class OrderProductBean {
 8 private int id;
 9 private int orderId;
10 private OrderBean orderBean;
11 private int productId;
12 private ProductBean productBean;
13 private float price;
14 private int number;
15 private String datetime;

16 public OrderProductBean() {//无参空方法
17 }
18 public OrderProductBean(ProductBean productBean, int number) {//单种商品及数量的订单
19      this.setProductBean(productBean);
20      this.setNumber(number);
21 }
22 public OrderProductBean(OrderBean orderBean, ProductBean  productBean, int number) {//多种商品及数量的订单。
24         this.setOrderBean(orderBean);                                               //这三个构造方法属于层次渐进的关系。分别对应不同情境下客户购买方式
25         this.setProductBean(productBean);                                            
26         this.setNumber(number);
27 }
28 public int getId() {
29      return id;
30 }
31 public void setId(int id) {
32      this. id = id;
33 }
34 public int getOrderId() {
35      return orderId;
36 }
37 public void setOrderId(int orderId) {
38      this. orderId = orderId;
39 }
40 public OrderBean getOrderBean() {
41return orderBean;
42 }
43 public void setOrderBean(OrderBean orderBean) {
44      this. orderBean = orderBean;
45 }
46 public int getProductId() {
47     return productId;
48 }
49 public void setProductId(int productId) {
50      this. productId = productId;
51 }
52 public ProductBean getProductBean() {
53      return productBean;
54 }
55 public void setProductBean(ProductBean productBean) {
56     this. productBean = productBean;
57 }
58 public float getPrice() {
59     return price;
60 }
61 public void setPrice(float price) {
62      this. price = price;
63 }
64 public int getNumber() {
65     return number;
66 }
67 public void setNumber(int number) {
68     this. number = number;
69 }
70 public String getDatetime() {
71     return datetime;
72 }
73 public void setDatetime(String datetime) {
74      this. datetime = datetime;
75 }
76 }