excel导出时要导入其他对象的内容，可以再对象和配置文件中更改

cccc

    private String infotxt;
    private String resulttype;
    
    public String getResulttype() {
        return resulttype;
    }

    public void setResulttype(String resulttype) {
        this.resulttype = resulttype;
    }

    public String getInfotxt() {
        return infotxt;
    }

    public void setInfotxt(String infotxt) {
        this.infotxt = infotxt;
    }

Maint.hbm.xml

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<!-- Generated Oct 22, 2012 2:48:57 PM by Hibernate Tools 3.4.0.CR1 -->
<hibernate-mapping>
    <class name="cn.main.Maint" table="maint" >
        <id name="mid" type="int">
            <column name="mid"/>
            <generator class="identity" />
        </id>
        <property name="sid" type="string">
            <column name="sid" length="10"/>
        </property>
        <property name="ramid" type="string">
            <column name="ramid" length="20"/>
        </property>
       
        </property>
         <property name="postcode" type="string">
            <column name="postcode" length="6" />
        </property>
        这是关键！
        <property name="infotxt" formula="(select p.fillInfo from payer p where p.orderNum=ramid)">
        </property>
        
         <property name="resulttype" formula="(select p.restype from payer p where p.orderNum=ramid)">
        </property>
       
    </class>
</hibernate-mapping>