<?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="com.school.entity.Clas" table="clas">

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

            <column name="ID" precision="22" scale="0" />

            <generator class="identity" />

        </id>

        <property name="name" type="java.lang.String">

            <column name="NAME"  length="50" not-null="true">

                <comment>课程名称</comment>

            </column>

        </property>

        <property name="comment" type="java.lang.String">

            <column name="COMMENT" length="500" not-null="false">

                <comment>课程介绍</comment>

            </column>

        </property>

    </class>

</hibernate-mapping>

package com.school.entity;

public class Clas {    

    // 课程id

    private int id;

    // 课程名称

    private String name;

    // 课程介绍

    private String comment;

    // 默认构造方法

    public Clas() {

    }

    // 包含全部属性的构造方法

    public Clas(int id, String name, String comment) {

        super();

        this.id = id;

        this.name = name;

        this.comment = comment;

    }

    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 getComment() {

        return comment;

    }

    public void setComment(String comment) {

        this.comment = comment;

    }

}