我手写的xml文件，但是总是提示我错误，高手求教下

Question

<?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">
<!-- 
    Mapping file autogenerated by MyEclipse Persistence Tools
-->
<hibernate-mapping>
<class name="com.angelwin.entity.WorkGroup" table="WorkGroup" schema="dbo" catalog="南总">
        
        
        <property name="workgroupcode" type="java.lang.String">
            <column name="WorkGroupCode" length="50" />
        </property>
        <property name="workgroupname" type="java.lang.String">
            <column name="WorkGroupName" length="30" />
        </property>
        
</class>
</hibernate-mapping>
这段写法有错误吗？我郁闷 了

Answer 1

<?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"> 
<!-- 
    Mapping file autogenerated by MyEclipse Persistence Tools 
--> 
<hibernate-mapping> 
<class name="com.angelwin.entity.WorkGroup" table="WorkGroup" schema="dbo" catalog="南总"> 
        
        <id name="id">
         <generator class="native"/>
        </id>
        <property name="workgroupcode" type="java.lang.String"> 
            <column name="WorkGroupCode" length="50" /> 
        </property> 
        <property name="workgroupname" type="java.lang.String"> 
            <column name="WorkGroupName" length="30" /> 
        </property> 
        
</class> 
</hibernate-mapping> 

Answer 2

应该是差个ID 
<?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"> 
<!-- 
    Mapping file autogenerated by MyEclipse Persistence Tools 
--> 
<hibernate-mapping> 
<class name="com.angelwin.entity.WorkGroup" table="WorkGroup" schema="dbo" catalog="南总"> 
        
        <id name="id"> 
        <generator class="native"/> 
        </id> 
        <property name="workgroupcode" type="java.lang.String"> 
            <column name="WorkGroupCode" length="50" /> 
        </property> 
        <property name="workgroupname" type="java.lang.String"> 
            <column name="WorkGroupName" length="30" /> 
        </property> 
        
</class> 
</hibernate-mapping>