<property name="appdatetime" type="timestamp">
        <column name="appdatetime" length="19" />
    </property>
    <property name="appstatus" type="java.lang.Integer">
        <column name="appstatus" />
    </property>
    <property name="apptype" type="java.lang.Integer">
        <column name="apptype" />
    </property>

    <many-to-one name="course" column="cid"/>
    <many-to-one name="employee" column="empid" />
</class>