如下是hibernate.cfg.xml文件
<?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">
<hibernate-configuration>
<session-factory>
<property name="connection.username">root</property>
<property name="connection.password">123456</property>
<property name="connection.driver_class">
com.mysql.jdbc.Driver
</property>
<property name="connection.url">
jdbc:mysql://localhost:3306/itheima_hibernate
</property>
<property name="dialect">
org.hibernate.dialect.MySQLDialect
</property>
<property name="hbm2dd1.auto">update</property>
<property name="show_sql">true</property>
<mapping resource="simple/Student.hbm.xml" />
<mapping resource="simple/Team.hbm.xml" />
</session-factory>
</hibernate-configuration>
如下是创建的Team.class
package simple;
import java.io.Serializable;
import java.util.Set;
public class Team implements Serializable {
private Long tid;
private String name;
private String description;
private Set<Student> students;
public Set<Student> getStudents() {
return students;
}
public void setStudents(Set<Student> students) {
this.students = students;
}
public Long getTid() {
return tid;
}
public void setTid(Long tid) {
this.tid = tid;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getDescription() {
return description;
}
public void setDescription(String description) {
this.description = description;
}
}
配置文件Team.hbm.xml文件
<?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">
<hibernate-mapping>
<class name="simple.Team">
<id name="tid" length="5">
<generator class="increment"></generator>
</id>
<property name="name" length="20"></property>
<property name="description" length="50"></property>
<set name="students">
<!-- 外键 -->
<key>
<column name="tid"></column>
</key>
<one-to-many class="simple.Student"/>
</set>
</class>
</hibernate-mapping>
如下是Student.class
package simple;
import java.io.Serializable;
public class Student implements Serializable {
private Long sid;
private String name;
private String description;
public Long getSid() {
return sid;
}
public void setSid(Long sid) {
this.sid = sid;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getDescription() {
return description;
}
public void setDescription(String description) {
this.description = description;
}
}
student的配置文件Student.hbm.xml文件
<?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">
<hibernate-mapping>
<class name="simple.Student">
<id name="sid" length="5">
<generator class="increment"></generator>
</id>
<property name="name" length="20"></property>
<property name="description" length="50"></property>
</class>
</hibernate-mapping>
求助各位大神,已经耗费好长时间了,卡这儿……