create ? table ?teamMap?(id? varchar ( 32 ),teamname? varchar ( 32 ));
create ? table ?studentMap?(name? varchar ( 32 ),description? varchar ( 32 ),?team_id? varchar ( 32 ));

package ?Collection.Map.Simple;

import ?java.util.HashMap;
import ?java.util.Map;

public ? class ?Team? ... {
??? private ?String?id;
??? private ?String?teamname;
??? private ?Map?students = new ?HashMap();
public ?String?getId()? ... {
???? return ?id;
}
public ? void ?setId(String?id)? ... {
???? this .id? = ?id;
}
public ?String?getTeamname()? ... {
???? return ?teamname;
}
public ? void ?setTeamname(String?teamname)? ... {
???? this .teamname? = ?teamname;
}
public ?Map?getStudents()? ... {
???? return ?students;
}
public ? void ?setStudents(Map?students)? ... {
???? this .students? = ?students;
}
}

<? xml?version="1.0"?encoding="utf-8" ?>
<! DOCTYPE?hibernate-mapping?PUBLIC?"-//Hibernate/Hibernate?Mapping?DTD?3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd" >
<!-- ?
????Mapping?file?autogenerated?by?MyEclipse?-?Hibernate?Tools
-->
< hibernate-mapping >
< class? name ="Collection.Map.Simple.Team" ?table ="teamMap" ? >
???? < id? name ="id" ?unsaved-value ="null" >
?????? < generator? class ="uuid.hex" ></ generator >
???? </ id >
???? < property? name ="teamname" ?type ="string" ?column ="teamname" ></ property >
???? < map? name ="students" ?table ="studentMap" >
?????? < key? column ="team_id" ></ key >
?????? <!-- ?index代表key,element代表value,一個map標簽只能有一個element? -->
?????? < index? column ="name" ?type ="string" ></ index >
?????? < element? type ="string" ?column ="description" ></ element >
???? </ map >
</ class >

</ hibernate-mapping >

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

<!-- ?Generated?by?MyEclipse?Hibernate?Tools.??????????????????? -->
< hibernate-configuration >

< session-factory >
???? < property? name ="connection.username" > root </ property >
???? < property? name ="connection.url" >
????????jdbc:mysql://localhost:3306/schoolproject?characterEncoding=gb2312 &amp; useUnicode=true
???? </ property >
???? < property? name ="dialect" >
????????org.hibernate.dialect.MySQLDialect
???? </ property >
???? < property? name ="myeclipse.connection.profile" > mysql </ property >
???? < property? name ="connection.password" > 1234 </ property >
???? < property? name ="connection.driver_class" >
????????com.mysql.jdbc.Driver
???? </ property >
???? < property? name ="hibernate.dialect" >
????????org.hibernate.dialect.MySQLDialect
???? </ property >
???? < property? name ="hibernate.show_sql" > true </ property >
???? < property? name ="current_session_context_class" > thread </ property >
???? < property? name ="jdbc.batch_size" > 15 </ property >
???? < mapping? resource ="Collection/Map/Simple/Team.hbm.xml" ? />




</ session-factory >

</ hibernate-configuration >

package ?Collection.Map.Simple;


import ?java.io.File;
import ?java.util.Map;

import ?org.hibernate.Session;
import ?org.hibernate.SessionFactory;
import ?org.hibernate.Transaction;
import ?org.hibernate.cfg.Configuration;

public ? class ?Test? ... {


???? public ? static ? void ?main(String[]?args)? ... {

????????String?filePath = System.getProperty( " user.dir " ) + File.separator + " src/Collection/Map/Simple " + File.separator + " hibernate.cfg.xml " ;
????????File?file = new ?File(filePath);
????????System.out.println(filePath);
????????SessionFactory?sessionFactory = new ?Configuration().configure(file).buildSessionFactory();
????????Session?session = sessionFactory.openSession();
????????Transaction?t = session.beginTransaction();
????????
????????Team?team = new ?Team();
????????team.setTeamname( " team1 " );
????????Map?stuMap = team.getStudents();
????????stuMap.put( " stu1 " ,? " stu1?description " );
????????stuMap.put( " stu2 " ,? " stu2?description " );
????????
????????session.save(team);
????????
????????t.commit();
????????
????}

}