Goodsinfo.java
package ssh2.jxc.wjr.vo;
import java.util.HashSet;
import java.util.Set;
/**
* Goodsinfo entity. @author MyEclipse Persistence Tools
*/
public class Goodsinfo implements java.io.Serializable {
// Fields
private Integer gid;
private Goodsclassinfo goodsclassinfo;
private String gname;
private Integer gamount;
private String gunit;
private Double gpin;
private Double gpout;
private Set selldetails = new HashSet(0);
private Set consumerbackdetails = new HashSet(0);
private Set providerbackdetails = new HashSet(0);
private Set stockdetails = new HashSet(0);
// Constructors
/** default constructor */
public Goodsinfo() {
}
/** minimal constructor */
public Goodsinfo(Goodsclassinfo goodsclassinfo, Integer gamount) {
this.goodsclassinfo = goodsclassinfo;
this.gamount = gamount;
}
/** full constructor */
public Goodsinfo(Goodsclassinfo goodsclassinfo, String gname,
Integer gamount, String gunit, Double gpin, Double gpout,
Set selldetails, Set consumerbackdetails, Set providerbackdetails,
Set stockdetails) {
this.goodsclassinfo = goodsclassinfo;
this.gname = gname;
this.gamount = gamount;
this.gunit = gunit;
this.gpin = gpin;
this.gpout = gpout;
this.selldetails = selldetails;
this.consumerbackdetails = consumerbackdetails;
this.providerbackdetails = providerbackdetails;
this.stockdetails = stockdetails;
}
// Property accessors
public Integer getGid() {
return this.gid;
}
public void setGid(Integer gid) {
this.gid = gid;
}
public Goodsclassinfo getGoodsclassinfo() {
return this.goodsclassinfo;
}
public void setGoodsclassinfo(Goodsclassinfo goodsclassinfo) {
this.goodsclassinfo = goodsclassinfo;
}
public String getGname() {
return this.gname;
}
public void setGname(String gname) {
this.gname = gname;
}
public Integer getGamount() {
return this.gamount;
}
public void setGamount(Integer gamount) {
this.gamount = gamount;
}
public String getGunit() {
return this.gunit;
}
public void setGunit(String gunit) {
this.gunit = gunit;
}
public Double getGpin() {
return this.gpin;
}
public void setGpin(Double gpin) {
this.gpin = gpin;
}
public Double getGpout() {
return this.gpout;
}
public void setGpout(Double gpout) {
this.gpout = gpout;
}
public Set getSelldetails() {
return this.selldetails;
}
public void setSelldetails(Set selldetails) {
this.selldetails = selldetails;
}
public Set getConsumerbackdetails() {
return this.consumerbackdetails;
}
public void setConsumerbackdetails(Set consumerbackdetails) {
this.consumerbackdetails = consumerbackdetails;
}
public Set getProviderbackdetails() {
return this.providerbackdetails;
}
public void setProviderbackdetails(Set providerbackdetails) {
this.providerbackdetails = providerbackdetails;
}
public Set getStockdetails() {
return this.stockdetails;
}
public void setStockdetails(Set stockdetails) {
this.stockdetails = stockdetails;
}
}
Goodsclassinfo.java
package ssh2.jxc.wjr.vo;
import java.util.HashSet;
import java.util.Set;
/**
* Goodsclassinfo entity. @author MyEclipse Persistence Tools
*/
public class Goodsclassinfo implements java.io.Serializable {
// Fields
private Integer gcid;
private String gcname;
private Set goodsinfos = new HashSet(0);
// Constructors
/** default constructor */
public Goodsclassinfo() {
}
/** minimal constructor */
public Goodsclassinfo(String gcname) {
this.gcname = gcname;
}
/** full constructor */
public Goodsclassinfo(String gcname, Set goodsinfos) {
this.gcname = gcname;
this.goodsinfos = goodsinfos;
}
// Property accessors
public Integer getGcid() {
return this.gcid;
}
public void setGcid(Integer gcid) {
this.gcid = gcid;
}
public String getGcname() {
return this.gcname;
}
public void setGcname(String gcname) {
this.gcname = gcname;
}
public Set getGoodsinfos() {
return this.goodsinfos;
}
public void setGoodsinfos(Set goodsinfos) {
this.goodsinfos = goodsinfos;
}
}
GoodsinfoDAO.java
package ssh2.jxc.wjr.dao.impl;
import java.util.List;
import java.util.Set;
import javax.annotation.Resource;
import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
import org.springframework.stereotype.Repository;
import ssh2.jxc.wjr.dao.IGoodsinfoDAO;
import ssh2.jxc.wjr.vo.Goodsinfo;
/**
* A data access object (DAO) providing persistence and search support for
* Goodsinfo entities. Transaction control of the save(), update() and delete()
* operations can directly support Spring container-managed transactions or they
* can be augmented to handle user-managed Spring transactions. Each of these
* methods provides additional information for how to configure it for the
* desired type of transaction control.
*
* @see ssh2.jxc.wjr.vo.Goodsinfo
* @author MyEclipse Persistence Tools
*/
@Repository
public class GoodsinfoDAO extends HibernateDaoSupport implements IGoodsinfoDAO {
private static final Logger log = LoggerFactory
.getLogger(GoodsinfoDAO.class);
// property constants
public static final String GNAME = "gname";
public static final String GAMOUNT = "gamount";
public static final String GUNIT = "gunit";
public static final String GPIN = "gpin";
public static final String GPOUT = "gpout";
@Resource
public void setSessionFactoryOverride(SessionFactory sessionFactory) {
super.setSessionFactory(sessionFactory);
}
protected void initDao() {
// do nothing
}
public void save(Goodsinfo transientInstance) {
log.debug("saving Goodsinfo instance");
try {
getHibernateTemplate().save(transientInstance);
log.debug("save successful");
} catch (RuntimeException re) {
log.error("save failed", re);
throw re;
}
}
public void delete(Goodsinfo persistentInstance) {
log.debug("deleting Goodsinfo instance");
try {
getHibernateTemplate().delete(persistentInstance);
log.debug("delete successful");
} catch (RuntimeException re) {
log.error("delete failed", re);
throw re;
}
}
public Goodsinfo findById(java.lang.Integer id) {
log.debug("getting Goodsinfo instance with id: " + id);
try {
Goodsinfo instance = (Goodsinfo) getHibernateTemplate().get(
"ssh2.jxc.wjr.vo.Goodsinfo", id);
return instance;
} catch (RuntimeException re) {
log.error("get failed", re);
throw re;
}
}
public List findByExample(Goodsinfo instance) {
log.debug("finding Goodsinfo instance by example");
try {
List results = getHibernateTemplate().findByExample(instance);
log.debug("find by example successful, result size: "
+ results.size());
return results;
} catch (RuntimeException re) {
log.error("find by example failed", re);
throw re;
}
}
public List findByProperty(String propertyName, Object value) {
log.debug("finding Goodsinfo instance with property: " + propertyName
+ ", value: " + value);
try {
String queryString = "from Goodsinfo as model where model."
+ propertyName + "= ?";
return getHibernateTemplate().find(queryString, value);
} catch (RuntimeException re) {
log.error("find by property name failed", re);
throw re;
}
}
public List findByGname(Object gname) {
return findByProperty(GNAME, gname);
}
public List findByGamount(Object gamount) {
return findByProperty(GAMOUNT, gamount);
}
public List findByGunit(Object gunit) {
return findByProperty(GUNIT, gunit);
}
public List findByGpin(Object gpin) {
return findByProperty(GPIN, gpin);
}
public List findByGpout(Object gpout) {
return findByProperty(GPOUT, gpout);
}
public List findAll() {
log.debug("finding all Goodsinfo instances");
try {
String queryString = "from Goodsinfo";
return getHibernateTemplate().find(queryString);
} catch (RuntimeException re) {
log.error("find all failed", re);
throw re;
}
}
public Goodsinfo merge(Goodsinfo detachedInstance) {
log.debug("merging Goodsinfo instance");
try {
Goodsinfo result = (Goodsinfo) getHibernateTemplate().merge(
detachedInstance);
log.debug("merge successful");
return result;
} catch (RuntimeException re) {
log.error("merge failed", re);
throw re;
}
}
public void attachDirty(Goodsinfo instance) {
log.debug("attaching dirty Goodsinfo instance");
try {
getHibernateTemplate().saveOrUpdate(instance);
log.debug("attach successful");
} catch (RuntimeException re) {
log.error("attach failed", re);
throw re;
}
}
public void attachClean(Goodsinfo instance) {
log.debug("attaching clean Goodsinfo instance");
try {
getHibernateTemplate().lock(instance, LockMode.NONE);
log.debug("attach successful");
} catch (RuntimeException re) {
log.error("attach failed", re);
throw re;
}
}
public static IGoodsinfoDAO getFromApplicationContext(ApplicationContext ctx) {
return (IGoodsinfoDAO) ctx.getBean("GoodsinfoDAO");
}
//获取全部商品信息
@Override
public List getGoodsinfos() {
String hql="from Goodsinfo";
Session session=getHibernateTemplate().getSessionFactory().openSession();
Query query=session.createQuery(hql);
List<Goodsinfo> goodsinfos=query.list();
//test
System.out.println(goodsinfos.iterator().next().getGoodsclassinfo().getGcname());
session.close();
return goodsinfos;
}
}
goodsmanger.jsp
<s:iterator value="#request['goodsinfos']" id="goodsinfos" status="iteratorStatus">
<s:if test="!#iteratorStatus.odd">
<tr bgcolor="white" align="center">
<td><s:property value="#goodsinfos.gname" /></td><!-- 显示商品名称 -->
<td><s:property value="#goodsinfos.goodsclassinfos" /></td><!-- 显示商品类别 -->
<td>¥<s:property value="#goodsinfos.gpin" /></td><!-- 进价 -->
<td>¥<s:property value="#goodsinfos.gpout" /></td><!-- 售价 -->
<td><s:property value="#goodsinfos.gunit" /></td><!-- 计价单位 -->
<td><s:property value="#goodsinfos.gamount" /></td><!-- 商品数量 -->
<td width="120">
gid:<s:property value="gid" />
<a href="#" target="mainFrame">
<img border="0" src="img/mod.gif" height="16" width="16"/>查看/修改
</a>
</td>
<td width="100">
<a href="#">
<img border="0" src="img/del.gif"/>删除
</a>
</td>
</tr>
</s:if>
我的思路是 List goodsinfo 存到 Map request
在页面上就可以获取到 goodsinfo类的属性值,
就是没有办法获取到商品类别(
问题所在:可以获取到对象 goodsinfos (List)里面的每一个对象goodsinfo里面的属性。
就是获取不到 goodsclassinfo的属性的gcname。
我使用的这段代码可以获取到 商品的类别
截取
System.out.println(goodsinfos.iterator().next().getGoodsclassinfo().getGcname());
求解?