hibernate3学习笔记(十七)|关系映射:多对一2011-02-03数据表设计如下图:

DDL文件:
1.CREATE TABLE user (
2.id INT(11) NOT NULL auto_increment PRIMARY KEY,
3.name VARCHAR(100) NOT NULL default "",
4.room_id INT(11)
5.);
6.
7.CREATE TABLE room (
8.id INT(11) NOT NULL auto_increment PRIMARY KEY,
9.address VARCHAR(100) NOT NULL default ""
10.);
Room.java
1.package com.hb3.pack_16.model;
2.
3.public class Room {
4.5.private Integer id;
6.private String address;
7.
8.public Room() {
9.}
10.
11.public Integer getId() {
12.return id;
13.}
14.public void setId(Integer id) {
15.this.id = id;
16.}
17.public String getAddress() {
18.return address;
19.}
20.public void setAddress(String address) {
21.this.address = address;
22.}
23.}