XML文件个人书写规范

          <!-- users属性，本类与User的一对多关系 -->

      格式：？属性，本类与？的？
      ?1 属性名
      ?2 关联对类型
      ?3 关系

配置模板

     多对一：
<many-to-one name="" class="" column="" />

    一对多（Set）：

<set name="">
<key column="" />
<one-to-many class=""/>
</set>
    多对多（Set）：
<set name="" table="">
<key column="" />
<many-to-many class="" column="" />
</set>

经典案例

        映射关系

        

        配置详情

         Department.hbm.xml
          
<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC 
	"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
	"http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">

<hibernate-mapping package="cn.cust.oa.domain">

	<class name="Department" table="cust_department">
		<id name="id">
		    <generator class="native" />
		</id>
		<property name="name" />	
		<property name="description" />
		
		<!-- users属性，本类与User的一对多关系 -->
                <set name="users">
                    <key column="departmentId"/>
                    <one-to-many class="User" />
                </set> 
        
                <!-- parent属性，本类与Department（上级）的多对一关系 --> 
		<many-to-one name="parent" class="Department" column="parentId" /> 
		
		<!-- children属性，本类与Department（下级）的一对多关系 --> 
                <set name="children">
                    <key column="parentId"/>
                    <one-to-many class="Department" />
                </set>  
	</class>
	
</hibernate-mapping>

         User.hbm.xml 

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC 
	"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
	"http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">

<hibernate-mapping package="cn.cust.oa.domain">

	<class name="User" table="cust_user">
		<id name="id">
		    <generator class="native" />
		</id>
                <property name="loginName" /> 
                <property name="password" /> 
		<property name="name" />	
		<property name="gender" />	
		<property name="phoneNumber" />	
		<property name="email" />	
		<property name="description" />	
		
		<!-- department属性，本类与Department的多对一关系 -->
		<many-to-one name="department" class="Department" column="departmentId" /> 
		
		<!-- roles属性，本类与Role的多对多关系 -->
		<set name="roles" table="cust_user_role">
                    <key column="userId"/>
                <many-to-many class="Role" column="roleId" />
                </set> 
	</class>
	
</hibernate-mapping>
        
         Role.hbm.xml 

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC 
	"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
	"http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">

<hibernate-mapping package="cn.cust.oa.domain">

	<class name="Role" table="cust_role">
		<id name="id">
		    <generator class="native" />
		</id>
		<property name="name" />	
		<property name="description" />
		
		<!-- users属性，本类与User的多对多关系 -->
		<set name="users" table="cust_user_role">
                    <key column="roleId"/>
                    <many-to-many class="User" column="userId" />
                </set> 
	</class>
	
</hibernate-mapping>