hinernate

<?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 package="com.softeem.crud.pojos">
        <class name="Group" table="tb_group">
            <id name="groupId" column="group_id">
                <generator class="native"></generator>
            </id>
            <property name="groupName" column="group_name"></property>
        </class>
    
        <class name="User" table="tb_user">
            <id name="userId" column="user_id">
                <generator class="native"></generator>
            </id>
            <property name="userName" column="user_name"/>
            <property name="userPwd" column="user_pwd"/>
            <!--cascade="all"级联操作  -->
            <many-to-one name="group" class="Group" column="gid" not-null="true" cascade="all"></many-to-one>
        </class>
    </hibernate-mapping>