hibernate 无主键,查出来list有记录,但映身成实体字段全为空,是怎么回事,该如何改
<hibernate-mapping>
<class name="com.selfcheck.model.Attendance" table="tb_chuqin">
<composite-id>
<key-property name="GongHao" type="java.lang.String"
column="gonghao" />
<key-property name="Name" type="java.lang.String"
column="name" />
<key-property name="ChuQinTime" type="java.lang.String"
column="chuqintime" />
<key-property name="cqdd" type="java.lang.String"
column="cqdd" />
<key-property name="cqzt" type="java.lang.String"
column="cqzt" />
<key-property name="jjjczt" type="java.lang.String"
column="jjjczt" />
<key-property name="jfjsprint" type="java.lang.String"
column="jfjsprint" />
<key-property name="ickjs" type="java.lang.String"
column="ickjs" />
<key-property name="dsfytime" type="java.lang.Integer"
column="dsfytime" />
<key-property name="cqcdtime" type="java.lang.Integer"
column="cqcdtime" />
<key-property name="bz" type="java.lang.String" column="bz" />
<key-property name="duanhao" type="java.lang.String"
column="duanhao" />
<key-property name="checi" type="java.lang.String"
column="checi" />
<key-property name="jiche" type="java.lang.String"
column="jiche" />
<key-property name="kaidian" type="java.util.Date"
column="kaidian" />
<key-property name="jbid" type="java.lang.Integer"
column="jbid" />
<key-property name="jhid" type="java.lang.Integer"
column="jhid" />
<key-property name="bWriteRemote" type="java.lang.Integer"
column="bWriteRemote" /> </composite-id> </class></hibernate-mapping>