Hibernate Annotation _List/Map

//  Student.java 实体类

package com.tao.pojo;

import java.util.List;

public class Student {
    private int id;
    private String name;
    private String gender;
    private int age;
    //list集合
    private List<String> hobby;    
    //Map 集合
    //private Map<Integer,String> hobby=new HashMap<Integer,String>();
    
    public Student() {
        super();
    }
    public Student(int id, String name, String gender, int age) {
        super();
        this.id = id;
        this.name = name;
        this.gender = gender;
        this.age = age;
    }
    public Student(String name, String gender, int age, List<String> hobby) {
        super();
        this.name = name;
        this.gender = gender;
        this.age = age;
        this.hobby = hobby;
    }
    public Student(int id, String name, String gender, int age, List<String> hobby) {
        super();
        this.id = id;
        this.name = name;
        this.gender = gender;
        this.age = age;
        this.hobby = hobby;
    }
    public int getId() {
        return id;
    }
    public void setId(int id) {
        this.id = id;
    }
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public String getGender() {
        return gender;
    }
    public void setGender(String gender) {
        this.gender = gender;
    }
    public int getAge() {
        return age;
    }
    public void setAge(int age) {
        this.age = age;
    }
    public List<String> getHobby() {
        return hobby;
    }
    public void setHobby(List<String> hobby) {
        this.hobby = hobby;
    }
    @Override
    public String toString() {
        return "Student [id=" + id + ", name=" + name + ", gender=" + gender + ", age=" + age + "]";
    }    

}

//Student.hbm.xml 映射文件

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
    "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
    "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
<hibernate-mapping package="org.hibernate.test.schemaupdate">

    <class name="com.tao.pojo.Student" table="student">
        <id name="id" column="id"></id>
        <property name="name" column="name" type="string"/>    
        <property name="age" column="age"/>    
        <list name="hobby" table="stu_hobby">
            <!-- 外键，自己起名 -->
            <key column="sid"></key>
            <!--索引列  -->
            <list-index column="stu_index"></list-index>
            <!--其他普通列  -->
            <element column="descx" type="string"></element>
        </list>
<!--map集合  -->
<!-- <map name="hobby" table="bobby">
            <key column="sid"></key>
            <index column="stu_id" type="int"></index>
            <element column="descx" type="string"></element>
        </map> -->
    </class>
    
</hibernate-mapping>

// hibernate.cfg.xml  配置文件

<?xml version='1.0' encoding='utf-8'?>
<!DOCTYPE hibernate-configuration PUBLIC
        "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
        "http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
<hibernate-configuration>

    <session-factory>
        <!-- 数据库连接部分 -->
        <property name="connection.driver_class">com.mysql.jdbc.Driver</property>
        <property name="connection.url">jdbc:mysql://localhost:3306/test0111_list?characterEncoding=utf-8</property>
        <property name="connection.username">root</property>
        <property name="connection.password">root</property>
        <!--显示SQl语句  -->
        <property name="show_sql">true</property>
        <property name="format_sql">true</property>
        <!--MySQL数据库方言  -->
        <property name="hibernate.dialect">org.hibernate.dialect.MySQL5Dialect</property>
        <!-- 自动创建或生成表-->
        <property name="hbm2ddl.auto">update</property>
        <!--映射文件  -->
        <mapping resource="com/tao/pojo/Student.hbm.xml"/>        
    </session-factory>

</hibernate-configuration>

// Test.java 测试类

package com.tao.test;

import java.util.ArrayList;

import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;
import org.hibernate.dialect.MySQL5Dialect;

import com.tao.pojo.Student;

public class Test {
    
    public static void main(String[] args) {
        Configuration configure = new Configuration().configure();
        SessionFactory factory = configure.buildSessionFactory();
        Session session = factory.openSession();
        session.beginTransaction();
        
        //添加数据（在添加数据之前先——生成表，把添加数据部分先注释）
        Student stu = new Student(1, "aa", "nn", 25);
        ArrayList<String> hobby = new ArrayList<String>();
        hobby.add("旅游");
        hobby.add("散步");
        hobby.add("学习");
        hobby.add("跳舞");
        stu.setHobby(hobby);
        session.save(stu);
        
        /*//Map添加数据
        Student stu1 = new Student(2, "吖吖", "男", 26);
        stu.getHobby().put(1, "读书");
    　　stu1.getHobby().put(2, "旅游");
    　　stu2.getHobby().put(3, "跳舞");
   　　 stu2.getHobby().put(4, "唱歌");
        
   　　 session.save(stu);
    */


        session.getTransaction().commit();;
        session.close();
        factory.close();
    }
}