public class Course {

    private Integer courseNo;

    private String courseName;

    public Integer getCourseNo() {

        return courseNo;

    }

    public void setCourseNo(Integer courseNo) {

        this.courseNo = courseNo;

    }

    public String getCourseName() {

        return courseName;

    }

    public void setCourseName(String courseName) {

        this.courseName = courseName;

    }

}

public class Student {

    private Integer id;

    private String studentNo;

    private String name;

    private Course course;

    public Integer getId() {

        return id;

    }

    public void setId(Integer id) {

        this.id = id;

    }

    public String getStudentNo() {

        return studentNo;

    }

    public void setStudentNo(String studentNo) {

        this.studentNo = studentNo;

    }

    public String getName() {

        return name;

    }

    public void setName(String name) {

        this.name = name;

    }

    public Course getCourse() {

        return course;

    }

    public void setCourse(Course course) {

        this.course = course;

    }

}

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE hibernate-mapping PUBLIC

"-//Hibernate/Hibernate Mapping DTD 3.0//EN"

"http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">

<hibernate-mapping package="entity">

    <class name="Student" table="student_table">

        <id name="id" type="java.lang.Integer">

            <generator class="identity"/>

        </id>

        <property name="studentNo" />

        <property name="name" />

        <many-to-one name="course" cascade="all" class="Course" column="course_no" />

    </class>

</hibernate-mapping>

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE hibernate-mapping PUBLIC

"-//Hibernate/Hibernate Mapping DTD 3.0//EN"

"http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">

<hibernate-mapping package="entity">

    <class name="Course" table="course_table">

        <id name="courseNo" column="course_no">

            <generator class="identity"/>

        </id>

        <property name="courseName" />

    </class>    

</hibernate-mapping>

<?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>

        <!-- Database connection settings -->

        <property name="connection.driver_class">com.mysql.jdbc.Driver</property>

        <property name="connection.url">jdbc:mysql://localhost:3306/test</property>

        <property name="connection.username">root</property>

        <property name="connection.password">root</property>

        <property name="hibernate.c3p0.max_size">20</property>

        <property name="hibernate.c3p0.min_size">1</property>

        <property name="dialect">org.hibernate.dialect.MySQLDialect</property>

        <property name="hbm2ddl.auto">update</property>

        <property name="hibernate.format_sql">true</property>

        <property name="hibernate.hbm2ddl.auto">update</property>

        <mapping resource="entity/Student.hbm.xml"/>

        <mapping resource="entity/Course.hbm.xml"/>

    </session-factory>

</hibernate-configuration>

        Session session = hibernateUtil.currentSession();

        Transaction tx = session.beginTransaction();

        Student student = new Student();

        Course course = new Course();

        course.setCourseName("蛋疼的软件测试");

        student.setName("wade");

        student.setStudentNo("87937128379821");

        student.setCourse(course);

        session.persist(student);

        tx.commit();

        hibernateUtil.closeSession();